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Merge 4.9.281 into android-4.9-q
Linux 4.9.281
* fs: warn about impending deprecation of mandatory locks
fs/namespace.c
* locks: print a warning when mount fails due to lack of "mand" support
fs/namespace.c
ASoC: intel: atom: Fix breakage for PCM buffer address setup
btrfs: prevent rename2 from exchanging a subvol with a directory from different parents
ipack: tpci200: fix many double free issues in tpci200_pci_probe
ALSA: hda - fix the 'Capture Switch' value change notifications
mmc: dw_mmc: Fix hang on data CRC error
mmc: dw_mmc: call the dw_mci_prep_stop_abort() by default
net: qlcnic: add missed unlock in qlcnic_83xx_flash_read32
net: 6pack: fix slab-out-of-bounds in decode_data
vhost: Fix the calculation in vhost_overflow()
dccp: add do-while-0 stubs for dccp_pr_debug macros
Bluetooth: hidp: use correct wait queue when removing ctrl_wait
ARM: dts: nomadik: Fix up interrupt controller node names
* scsi: core: Avoid printing an error if target_alloc() returns -ENXIO
drivers/scsi/scsi_scan.c
scsi: scsi_dh_rdac: Avoid crash during rdac_bus_attach()
scsi: megaraid_mm: Fix end of loop tests for list_for_each_entry()
* dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
drivers/dma/of-dma.c
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
dmaengine: usb-dmac: Fix PM reference leak in usb_dmac_probe()
x86/fpu: Make init_fpstate correct with optimized XSAVE
KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
mac80211: drop data frames without key on encrypted links
* vmlinux.lds.h: Handle clang's module.{c,d}tor sections
include/asm-generic/vmlinux.lds.h
* PCI/MSI: Enforce MSI[X] entry updates to be visible
drivers/pci/msi.c
* PCI/MSI: Enforce that MSI-X table entry is masked for update
drivers/pci/msi.c
* PCI/MSI: Mask all unused MSI-X entries
drivers/pci/msi.c
* PCI/MSI: Protect msi_desc::masked for multi-MSI
drivers/base/core.c
drivers/pci/msi.c
include/linux/device.h
include/linux/msi.h
* PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
drivers/pci/msi.c
* PCI/MSI: Correct misleading comments
drivers/pci/msi.c
* PCI/MSI: Do not set invalid bits in MSI mask
drivers/pci/msi.c
* PCI/MSI: Enable and mask MSI-X early
drivers/pci/msi.c
x86/tools: Fix objdump version check again
xen/events: Fix race in set_evtchn_to_irq
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
* net: bridge: fix memleak in br_add_if()
net/bridge/br_if.c
net: Fix memory leak in ieee802154_raw_deliver
* ppp: Fix generating ifname when empty IFLA_IFNAME is specified
drivers/net/ppp/ppp_generic.c
ACPI: NFIT: Fix support for virtual SPA ranges
* i2c: dev: zero out array used for i2c reads from userspace
drivers/i2c/i2c-dev.c
ASoC: intel: atom: Fix reference to PCM buffer address
iio: adc: Fix incorrect exit of for-loop
* ANDROID: xt_quota2: set usersize in xt_match registration object
net/netfilter/xt_quota2.c
* ANDROID: xt_quota2: clear quota2_log message before sending
net/netfilter/xt_quota2.c
* ANDROID: xt_quota2: remove trailing junk which might have a digit in it
net/netfilter/xt_quota2.c
* UPSTREAM: netfilter: x_tables: fix pointer leaks to userspace
net/netfilter/xt_IDLETIMER.c
net/netfilter/xt_limit.c
net/netfilter/xt_statistic.c
Merge 4.9.280 into android-4.9-q
Linux 4.9.280
* ovl: prevent private clone if bind mount is not allowed
fs/namespace.c
net: xilinx_emaclite: Do not print real IOMEM pointer
* ppp: Fix generating ppp unit id when ifname is not specified
drivers/net/ppp/ppp_generic.c
USB:ehci:fix Kunpeng920 ehci hardware problem
net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset
alpha: Send stop IPI to send to online CPUs
reiserfs: check directory items on read from disk
reiserfs: add check for root_inode in reiserfs_fill_super
perf/x86/amd: Don't touch the AMD64_EVENTSEL_HOSTONLY bit inside the guest
pcmcia: i82092: fix a null pointer dereference bug
MIPS: Malta: Do not byte-swap accesses to the CBUS UART
serial: 8250: Mask out floating 16/32-bit bus bits
* pipe: increase minimum default pipe size to 2 pages
fs/pipe.c
media: rtl28xxu: fix zero-length control request
scripts/tracing: fix the bug that can't parse raw_trace_func
usb: otg-fsm: Fix hrtimer list corruption
USB: serial: ftdi_sio: add device ID for Auto-M3 OP-COM v2
USB: serial: ch341: fix character loss at high transfer rates
USB: serial: option: add Telit FD980 composition 0x1056
USB: usbtmc: Fix RCU stall warning
* Bluetooth: defer cleanup of resources in hci_unregister_dev()
include/net/bluetooth/hci_core.h
net/bluetooth/hci_core.c
net/bluetooth/hci_sock.c
net/bluetooth/hci_sysfs.c
net: vxge: fix use-after-free in vxge_device_unregister
net: fec: fix use-after-free in fec_drv_remove
net: pegasus: fix uninit-value in get_interrupt_interval
bnx2x: fix an error code in bnx2x_nic_load()
mips: Fix non-POSIX regexp
net: natsemi: Fix missing pci_disable_device() in probe and remove
* media: videobuf2-core: dequeue if start_streaming fails
drivers/media/v4l2-core/videobuf2-core.c
scsi: sr: Return correct event when media event code is 3
ALSA: seq: Fix racy deletion of subscriber
* ANDROID: staging: ion: move buffer kmap from begin/end_cpu_access()
drivers/staging/android/ion/ion.c
Bug: 198416225
Change-Id: I2efbc084ad1a47825c9adcaa51cf2c716e1afb2c
Signed-off-by: Lucas Wei <lucaswei@google.com>
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Changes in 4.9.281
iio: adc: Fix incorrect exit of for-loop
ASoC: intel: atom: Fix reference to PCM buffer address
i2c: dev: zero out array used for i2c reads from userspace
ACPI: NFIT: Fix support for virtual SPA ranges
ppp: Fix generating ifname when empty IFLA_IFNAME is specified
net: Fix memory leak in ieee802154_raw_deliver
net: bridge: fix memleak in br_add_if()
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
xen/events: Fix race in set_evtchn_to_irq
x86/tools: Fix objdump version check again
PCI/MSI: Enable and mask MSI-X early
PCI/MSI: Do not set invalid bits in MSI mask
PCI/MSI: Correct misleading comments
PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
PCI/MSI: Protect msi_desc::masked for multi-MSI
PCI/MSI: Mask all unused MSI-X entries
PCI/MSI: Enforce that MSI-X table entry is masked for update
PCI/MSI: Enforce MSI[X] entry updates to be visible
vmlinux.lds.h: Handle clang's module.{c,d}tor sections
mac80211: drop data frames without key on encrypted links
KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
x86/fpu: Make init_fpstate correct with optimized XSAVE
dmaengine: usb-dmac: Fix PM reference leak in usb_dmac_probe()
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
scsi: megaraid_mm: Fix end of loop tests for list_for_each_entry()
scsi: scsi_dh_rdac: Avoid crash during rdac_bus_attach()
scsi: core: Avoid printing an error if target_alloc() returns -ENXIO
ARM: dts: nomadik: Fix up interrupt controller node names
Bluetooth: hidp: use correct wait queue when removing ctrl_wait
dccp: add do-while-0 stubs for dccp_pr_debug macros
vhost: Fix the calculation in vhost_overflow()
net: 6pack: fix slab-out-of-bounds in decode_data
net: qlcnic: add missed unlock in qlcnic_83xx_flash_read32
mmc: dw_mmc: call the dw_mci_prep_stop_abort() by default
mmc: dw_mmc: Fix hang on data CRC error
ALSA: hda - fix the 'Capture Switch' value change notifications
ipack: tpci200: fix many double free issues in tpci200_pci_probe
btrfs: prevent rename2 from exchanging a subvol with a directory from different parents
ASoC: intel: atom: Fix breakage for PCM buffer address setup
locks: print a warning when mount fails due to lack of "mand" support
fs: warn about impending deprecation of mandatory locks
Linux 4.9.281
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0f50adb340b9ef3eb12acf7f244b283ab16ae3bf
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[ Upstream commit df2474a22c42ce419b67067c52d71da06c385501 ]
Since 9e8925b67a ("locks: Allow disabling mandatory locking at compile
time"), attempts to mount filesystems with "-o mand" will fail.
Unfortunately, there is no other indiciation of the reason for the
failure.
Change how the function is defined for better readability. When
CONFIG_MANDATORY_FILE_LOCKING is disabled, printk a warning when
someone attempts to mount with -o mand.
Also, add a blurb to the mandatory-locking.txt file to explain about
the "mand" option, and the behavior one should expect when it is
disabled.
Reported-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Merge 4.9.264 into android-4.9-q
Linux 4.9.264
xen-blkback: don't leak persistent grants from xen_blkbk_map()
mac80211: fix double free in ibss_leave
net: qrtr: fix a kernel-infoleak in qrtr_recvmsg()
net: sched: validate stab values
* can: dev: Move device back to init netns on owning netns delete
include/net/rtnetlink.h
net/core/dev.c
* futex: Handle transient "ownerless" rtmutex state correctly
kernel/futex.c
* futex: Fix incorrect should_fail_futex() handling
kernel/futex.c
* futex: Prevent robust futex exit race
kernel/futex.c
* arm64: futex: Bound number of LDXR/STXR loops in FUTEX_WAKE_OP
arch/arm64/include/asm/futex.h
* locking/futex: Allow low-level atomic operations to return -EAGAIN
kernel/futex.c
* futex: Fix (possible) missed wakeup
kernel/futex.c
* futex: Handle early deadlock return correctly
kernel/futex.c
kernel/locking/rtmutex.c
* futex,rt_mutex: Fix rt_mutex_cleanup_proxy_lock()
kernel/locking/rtmutex.c
* futex: Avoid freeing an active timer
kernel/futex.c
* futex: Drop hb->lock before enqueueing on the rtmutex
kernel/futex.c
kernel/locking/rtmutex.c
kernel/locking/rtmutex_common.h
* futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock()
kernel/futex.c
kernel/locking/rtmutex.c
kernel/locking/rtmutex_common.h
* futex,rt_mutex: Introduce rt_mutex_init_waiter()
kernel/futex.c
kernel/locking/rtmutex.c
kernel/locking/rtmutex_common.h
* futex: Use smp_store_release() in mark_wake_futex()
kernel/futex.c
* idr: add ida_is_empty
drivers/usb/gadget/function/f_hid.c
include/linux/idr.h
perf auxtrace: Fix auxtrace queue conflict
ACPI: scan: Use unique number for instance_no
ACPI: scan: Rearrange memory allocation in acpi_device_add()
RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server
net: cdc-phonet: fix data-interface release on probe failure
mac80211: fix rate mask reset
can: m_can: m_can_do_rx_poll(): fix extraneous msg loss warning
can: c_can: move runtime PM enable/disable to c_can_platform
can: c_can_pci: c_can_pci_remove(): fix use-after-free
net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
e1000e: Fix error handling in e1000_set_d0_lplu_state_82571
e1000e: add rtnl_lock() to e1000_reset_task
net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port
* macvlan: macvlan_count_rx() needs to be aware of preemption
include/linux/if_macvlan.h
bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
arm64: dts: ls1043a: mark crypto engine dma coherent
squashfs: fix xattr id and id lookup sanity checks
* squashfs: fix inode lookup sanity checks
fs/squashfs/squashfs_fs.h
x86/tlb: Flush global mappings when KAISER is disabled
ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
nfs: we don't support removing system.nfs4_acl
* u64_stats,lockdep: Fix u64_stats_init() vs lockdep
include/linux/u64_stats_sync.h
atm: idt77252: fix null-ptr-dereference
atm: uPD98402: fix incorrect allocation
net: wan: fix error return code of uhdlc_init()
NFS: Correct size calculation for create reply length
* nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
fs/nfs/Kconfig
sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
net: tehuti: fix error return code in bdx_probe()
ixgbe: Fix memleak in ixgbe_configure_clsu32
atm: lanai: dont run lanai_dev_close if not open
atm: eni: dont release is never initialized
powerpc/4xx: Fix build errors from mfdcr()
net: fec: ptp: avoid register access when ipg clock is disabled
ANDROID: Make vsock virtio packet buff size configurable
Merge 4.9.263 into android-4.9-q
Linux 4.9.263
* genirq: Disable interrupts for force threaded handlers
kernel/irq/manage.c
* ext4: fix potential error in ext4_do_update_inode
fs/ext4/inode.c
* ext4: find old entry again if failed to rename whiteout
fs/ext4/namei.c
x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
x86: Move TS_COMPAT back to asm/thread_info.h
* kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
fs/select.c
include/linux/thread_info.h
kernel/futex.c
kernel/time/alarmtimer.c
kernel/time/hrtimer.c
kernel/time/posix-cpu-timers.c
x86/ioapic: Ignore IRQ2 again
perf/x86/intel: Fix a crash caused by zero PEBS status
PCI: rpadlpar: Fix potential drc_name corruption in store functions
iio: adis16400: Fix an error code in adis16400_initial_setup()
* usb: gadget: configfs: Fix KASAN use-after-free
drivers/usb/gadget/configfs.c
* USB: replace hardcode maximum usb string length by definition
drivers/usb/gadget/composite.c
drivers/usb/gadget/configfs.c
drivers/usb/gadget/usbstring.c
include/uapi/linux/usb/ch9.h
scsi: lpfc: Fix some error codes in debugfs
net/qrtr: fix __netdev_alloc_skb call
sunrpc: fix refcount leak for rpc auth modules
svcrdma: disable timeouts on rdma backchannel
NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
nvmet: don't check iosqes,iocqes for discovery controllers
btrfs: fix race when cloning extent buffer during rewind of an old root
ixgbe: prevent ptp_rx_hang from running when in FILTER_ALL mode
ixgbe: check for Tx timestamp timeouts during watchdog
net: dsa: b53: Support setting learning on port
* ext4: check journal inode extents more carefully
fs/ext4/block_validity.c
fs/ext4/ext4.h
fs/ext4/extents.c
fs/ext4/indirect.c
fs/ext4/inode.c
fs/ext4/mballoc.c
* ext4: don't allow overlapping system zones
fs/ext4/block_validity.c
* ext4: handle error of ext4_setup_system_zone() on remount
fs/ext4/super.c
Merge 4.9.262 into android-4.9-q
* FROMGIT: configfs: fix a use-after-free in __configfs_open_file
fs/configfs/file.c
Linux 4.9.262
xen/events: avoid handling the same event on two cpus at the same time
xen/events: don't unmask an event channel when an eoi is pending
xen/events: reset affinity of 2-level event when tearing it down
iio: imu: adis16400: fix memory leak
iio: imu: adis16400: release allocated memory on failure
KVM: arm64: Fix exclusive limit for IPA size
hwmon: (lm90) Fix max6658 sporadic wrong temperature reading
binfmt_misc: fix possible deadlock in bm_register_write
powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
alpha: switch __copy_user() and __do_clean_user() to normal calling conventions
alpha: Package string routines together
alpha: make short build log available for division routines
alpha: merge build rules of division routines
alpha: add $(src)/ rather than $(obj)/ to make source file path
* configfs: fix a use-after-free in __configfs_open_file
fs/configfs/file.c
block: rsxx: fix error return code of rsxx_pci_probe()
NFSv4.2: fix return value of _nfs4_get_security_label()
sh_eth: fix TRSCER mask for R7S72100
staging: comedi: pcl818: Fix endian problem for AI command data
staging: comedi: pcl711: Fix endian problem for AI command data
staging: comedi: me4000: Fix endian problem for AI command data
staging: comedi: dmm32at: Fix endian problem for AI command data
staging: comedi: das800: Fix endian problem for AI command data
staging: comedi: das6402: Fix endian problem for AI command data
staging: comedi: adv_pci1710: Fix endian problem for AI command data
staging: comedi: addi_apci_1500: Fix endian problem for command sample
staging: comedi: addi_apci_1032: Fix endian problem for COS sample
staging: rtl8192e: Fix possible buffer overflow in _rtl92e_wx_set_scan
staging: rtl8712: Fix possible buffer overflow in r8712_sitesurvey_cmd
staging: ks7010: prevent buffer overflow in ks_wlan_set_scan()
staging: rtl8188eu: fix potential memory corruption in rtw_check_beacon_data()
staging: rtl8712: unterminated string leads to read overflow
staging: rtl8188eu: prevent ->ssid overflow in rtw_wx_set_scan()
staging: rtl8192u: fix ->ssid overflow in r8192_wx_set_scan()
usbip: fix vhci_hcd attach_store() races leading to gpf
usbip: fix stub_dev usbip_sockfd_store() races leading to gpf
usbip: fix vudc to check for stream socket
usbip: fix vhci_hcd to check for stream socket
usbip: fix stub_dev to check for stream socket
USB: serial: cp210x: add some more GE USB IDs
USB: serial: cp210x: add ID for Acuity Brands nLight Air Adapter
USB: serial: ch341: add new Product ID
USB: serial: io_edgeport: fix memory leak in edge_startup
* xhci: Improve detection of device initiated wake signal.
drivers/usb/host/xhci.c
usb: renesas_usbhs: Clear PIPECFG for re-enabling pipe with other EPNUM
usb: gadget: f_uac2: always increase endpoint max_packet_size by one audio slot
Goodix Fingerprint device is not a modem
scripts/recordmcount.{c,pl}: support -ffunction-sections .text.* section names
* mmc: core: Fix partition switch time for eMMC
drivers/mmc/core/mmc.c
s390/dasd: fix hanging DASD driver unbind
* ALSA: usb-audio: Fix "cannot get freq eq" errors on Dell AE515 sound bar
sound/usb/quirks.c
ALSA: hda: Avoid spurious unsol event handling during S3/S4
ALSA: hda/hdmi: Cancel pending works before suspend
scsi: libiscsi: Fix iscsi_prep_scsi_cmd_pdu() error handling
s390/smp: __smp_rescan_cpus() - move cpumask away from stack
PCI: xgene-msi: Fix race in installing chained irq handler
powerpc/perf: Record counter overflow always if SAMPLE_IP is unset
mmc: mediatek: fix race condition between msdc_request_timeout and irq
mmc: mxs-mmc: Fix a resource leak in an error handling path in 'mxs_mmc_probe()'
udf: fix silent AED tagLocation corruption
media: usbtv: Fix deadlock on suspend
net: davicom: Fix regulator not turned off on driver removal
net: davicom: Fix regulator not turned off on failed probe
net: lapbether: Remove netif_start_queue / netif_stop_queue
* net: sched: avoid duplicates in classes dump
net/sched/sch_api.c
net/mlx4_en: update moderation when config reset
* Revert "mm, slub: consider rest of partial list if acquire_slab() fails"
mm/slub.c
cifs: return proper error code in statfs(2)
* netfilter: x_tables: gpf inside xt_find_revision()
net/netfilter/x_tables.c
can: flexcan: enable RX FIFO after FRZ/HALT valid
can: flexcan: assert FRZ bit in flexcan_chip_freeze()
can: skb: can_skb_set_owner(): fix ref counting if socket was closed before setting skb ownership
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
* net: Fix gro aggregation for udp encaps with zero csum
net/ipv4/udp_offload.c
ath9k: fix transmitting to stations in dynamic SMPS mode
ethernet: alx: fix order of calls on resume
uapi: nfnetlink_cthelper.h: fix userspace compilation error
Merge 4.9.261 into android-4.9-q
Linux 4.9.261
misc: eeprom_93xx46: Add quirk to support Microchip 93LC46B eeprom
* PCI: Add function 1 DMA alias quirk for Marvell 9215 SATA controller
drivers/pci/quirks.c
platform/x86: acer-wmi: Add new force_caps module parameter
iommu/amd: Fix sleeping in atomic in increase_address_space()
* dm table: fix DAX iterate_devices based device capability checks
drivers/md/dm-table.c
* dm table: fix iterate_devices based device capability checks
drivers/md/dm-table.c
rsxx: Return -EFAULT if copy_to_user() fails
ALSA: ctxfi: cthw20k2: fix mask on conf to allow 4 bits
usbip: tools: fix build error for multiple definition
btrfs: fix raid6 qstripe kmap
btrfs: raid56: simplify tracking of Q stripe presence
Merge 4.9.260 into android-4.9-q
Linux 4.9.260
* media: v4l: ioctl: Fix memory leak in video_usercopy
drivers/media/v4l2-core/v4l2-ioctl.c
* swap: fix swapfile read/write offset
mm/page_io.c
mm/swapfile.c
* zsmalloc: account the number of compacted pages correctly
drivers/block/zram/zram_drv.c
include/linux/zsmalloc.h
mm/zsmalloc.c
xen-netback: respect gnttab_map_refs()'s return value
Xen/gnttab: handle p2m update errors on a per-slot basis
scsi: iscsi: Verify lengths on passthrough PDUs
scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE
* sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
fs/sysfs/file.c
include/linux/sysfs.h
scsi: iscsi: Restrict sessions and handles to admin capabilities
media: uvcvideo: Allow entities with no pads
staging: most: sound: add sanity check for function argument
* Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data
net/bluetooth/amp.c
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
ath10k: fix wmi mgmt tx queue full due to race condition
pktgen: fix misuse of BUG_ON() in pktgen_thread_worker()
wlcore: Fix command execute failure 19 for wl12xx
* vt/consolemap: do font sum unsigned
drivers/tty/vt/consolemap.c
x86/reboot: Add Zotac ZBOX CI327 nano PCI reboot quirk
staging: fwserial: Fix error handling in fwserial_create
mm/hugetlb.c: fix unnecessary address expansion of pmd sharing
* net: fix up truesize of cloned skb in skb_prepare_for_shift()
net/core/skbuff.c
* smackfs: restrict bytes count in smackfs write functions
security/smack/smackfs.c
xfs: Fix assert failure in xfs_setattr_size()
JFS: more checks for invalid superblock
* arm64: Use correct ll/sc atomic constraints
arch/arm64/include/asm/atomic_ll_sc.h
* arm64: cmpxchg: Use "K" instead of "L" for ll/sc immediate constraint
arch/arm64/include/asm/atomic_ll_sc.h
* arm64: Avoid redundant type conversions in xchg() and cmpxchg()
arch/arm64/include/asm/atomic_ll_sc.h
arch/arm64/include/asm/cmpxchg.h
* arm64: Remove redundant mov from LL/SC cmpxchg
arch/arm64/include/asm/atomic_ll_sc.h
printk: fix deadlock when kernel panic
hugetlb: fix update_and_free_page contig page struct assumption
* scripts: set proper OpenSSL include dir also for sign-file
scripts/Makefile
* scripts: use pkg-config to locate libcrypto
scripts/Makefile
arm: kprobes: Allow to handle reentered kprobe on single-stepping
net: usb: qmi_wwan: support ZTE P685M modem
* futex: Don't enable IRQs unconditionally in put_pi_state()
kernel/futex.c
* futex: Fix more put_pi_state() vs. exit_pi_state_list() races
kernel/futex.c
* futex: Fix pi_state->owner serialization
kernel/futex.c
* futex: Futex_unlock_pi() determinism
kernel/futex.c
* futex: Pull rt_mutex_futex_unlock() out from under hb->lock
kernel/futex.c
* futex: Cleanup refcounting
kernel/futex.c
* futex: Cleanup variable names for futex_top_waiter()
kernel/futex.c
Merge 4.9.259 into android-4.9-q
Linux 4.9.259
dm era: Update in-core bitset after committing the metadata
* net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
include/linux/icmpv6.h
include/linux/ipv6.h
include/net/icmp.h
net/ipv4/icmp.c
net/ipv6/icmp.c
net/ipv6/ip6_icmp.c
* ipv6: silence compilation warning for non-IPV6 builds
include/linux/icmpv6.h
* ipv6: icmp6: avoid indirect call for icmpv6_send()
include/linux/icmpv6.h
net/ipv6/icmp.c
net/ipv6/ip6_icmp.c
sunvnet: use icmp_ndo_send helper
gtp: use icmp_ndo_send helper
* icmp: allow icmpv6_ndo_send to work with CONFIG_IPV6=n
include/linux/icmpv6.h
* icmp: introduce helper for nat'd source address in network device context
include/linux/icmpv6.h
include/net/icmp.h
net/ipv4/icmp.c
net/ipv6/ip6_icmp.c
* futex: fix dead code in attach_to_pi_owner()
kernel/futex.c
* futex: Fix OWNER_DEAD fixup
kernel/futex.c
dm era: only resize metadata in preresume
dm era: Reinitialize bitset cache before digesting a new writeset
dm era: Use correct value size in equality function of writeset tree
dm era: Fix bitset memory leaks
dm era: Verify the data block size hasn't changed
dm era: Recover committed writeset after crash
gfs2: Don't skip dlm unlock if glock has an lvb
sparc32: fix a user-triggerable oops in clear_user()
* f2fs: fix out-of-repair __setattr_copy()
fs/f2fs/file.c
gpio: pcf857x: Fix missing first interrupt
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
* module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
kernel/module.c
libnvdimm/dimm: Avoid race between probe and available_slots_show()
usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop()
mm: hugetlb: fix a race between freeing and dissolving the page
mtd: spi-nor: hisi-sfc: Put child node np on error path
floppy: reintroduce O_NDELAY fix
x86/reboot: Force all cpus to exit VMX root if VMX is supported
staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
* seccomp: Add missing return in non-void function
kernel/seccomp.c
btrfs: fix extent buffer leak on failure to copy root
btrfs: fix reloc root leak with 0 ref reloc roots on recovery
btrfs: abort the transaction if we fail to inc ref in btrfs_copy_root
KEYS: trusted: Fix migratable=1 failing
* usb: dwc3: gadget: Fix dep->interval for fullspeed interrupt
drivers/usb/dwc3/gadget.c
* usb: dwc3: gadget: Fix setting of DEPCFG.bInterval_m1
drivers/usb/dwc3/gadget.c
USB: serial: mos7720: fix error code in mos7720_write()
USB: serial: mos7840: fix error code in mos7840_write()
usb: musb: Fix runtime PM race in musb_queue_resume_work
USB: serial: option: update interface mapping for ZTE P685M
Input: i8042 - add ASUS Zenbook Flip to noselftest list
Input: joydev - prevent potential read overflow in ioctl
* Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
drivers/input/joystick/xpad.c
Input: raydium_ts_i2c - do not send zero length
ACPI: configfs: add missing check after configfs_register_default_group()
* blk-settings: align max_sectors on "logical_block_size" boundary
block/blk-settings.c
* scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
drivers/scsi/bnx2fc/Kconfig
i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
* arm64: Add missing ISB after invalidating TLB in __primary_switch
arch/arm64/kernel/head.S
mm/hugetlb: fix potential double free in hugetlb_register_node() error path
* mm/memory.c: fix potential pte_unmap_unlock pte error
mm/memory.c
ocfs2: fix a use after free on error
net/mlx4_core: Add missed mlx4_free_cmd_mailbox()
i40e: Fix flow for IPv6 next header (extension header)
drm/msm/dsi: Correct io_start for MSM8994 (20nm PHY)
* PCI: Align checking of syscall user config accessors
drivers/pci/syscall.c
VMCI: Use set_page_dirty_lock() when unregistering guest memory
pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare()
misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users
misc: eeprom_93xx46: Fix module alias to enable module autoprobe
sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
Input: elo - fix an error code in elo_connect()
perf test: Fix unaligned access in sample parsing test
perf intel-pt: Fix missing CYC processing in PSB
spi: pxa2xx: Fix the controller numbering for Wildcat Point
powerpc/pseries/dlpar: handle ibm, configure-connector delay status
mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
RDMA/rxe: Fix coding error in rxe_recv.c
perf tools: Fix DSO filtering when not finding a map for a sampled address
* tracepoint: Do not fail unregistering a probe due to memory failure
kernel/tracepoint.c
* amba: Fix resource leak for drivers without .remove
drivers/amba/bus.c
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe
powerpc/47x: Disable 256k page size
IB/umad: Return EIO in case of when device disassociated
isofs: release buffer head before return
regulator: axp20x: Fix reference cout leak
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
* of/fdt: Make sure no-map does not remove already reserved regions
drivers/of/fdt.c
* fdt: Properly handle "no-map" field in the memory region
drivers/of/fdt.c
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
dmaengine: fsldma: Fix a resource leak in the remove function
* HID: core: detect and skip invalid inputs to snto32()
drivers/hid/hid-core.c
spi: cadence-quadspi: Abort read if dummy cycles required are too many
clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL
jffs2: fix use after free in jffs2_sum_write_data()
fs/jfs: fix potential integer overflow on shift of a int
crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key()
btrfs: clarify error returns values in __load_free_space_cache
ata: ahci_brcm: Add back regulators management
media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values
media: pxa_camera: declare variable when DEBUG is defined
media: cx25821: Fix a bug when reallocating some dma memory
media: qm1d1c0042: fix error return code in qm1d1c0042_init()
media: lmedm04: Fix misuse of comma
ASoC: cs42l56: fix up error handling in probe
media: tm6000: Fix memleak in tm6000_start_stream
media: media/pci: Fix memleak in empress_init
media: vsp1: Fix an error handling path in the probe function
MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0
MIPS: c-r4k: Fix section mismatch for loongson2_sc_init
gma500: clean up error handling in init
drm/gma500: Fix error return code in psb_driver_load()
* fbdev: aty: SPARC64 requires FB_ATY_CT
drivers/video/fbdev/Kconfig
b43: N-PHY: Fix the update of coef for the PHY revision >= 3case
mac80211: fix potential overflow when multiplying to u32 integers
xen/netback: fix spurious event detection for common event case
bnxt_en: reverse order of TX disable and carrier off
ARM: s3c: fix fiq for clang IAS
arm64: dts: msm8916: Fix reserved and rfsa nodes unit address
usb: dwc2: Make "trimming xfer length" a debug message
usb: dwc2: Abort transaction after errors with unknown reason
usb: dwc2: Do not update data length if it is 0 on inbound transfers
ARM: dts: Configure missing thermal interrupt for 4430
* Bluetooth: Put HCI device if inquiry procedure interrupts
net/bluetooth/hci_core.c
* Bluetooth: drop HCI device reference before return
net/bluetooth/a2mp.c
arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso
ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa
ARM: dts: exynos: correct PMIC interrupt trigger level on Spring
* Bluetooth: Fix initializing response id after clearing struct
net/bluetooth/a2mp.c
mm, thp: make do_huge_pmd_wp_page() lock page for testing mapcount
* random: fix the RNDRESEEDCRNG ioctl
drivers/char/random.c
MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section
* kdb: Make memory allocations more robust
kernel/debug/kdb/kdb_private.h
scripts/recordmcount.pl: support big endian for ARCH sh
cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.
NET: usb: qmi_wwan: Adding support for Cinterion MV31
arm64: tegra: Add power-domain for Tegra210 HDA
igb: Remove incorrect "unexpected SYS WRAP" log message
ntfs: check for valid standard information attribute
* usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
drivers/usb/core/quirks.c
* HID: make arrays usage and value to be the same
drivers/hid/hid-core.c
Bug: 184596728
Change-Id: I50e867d3e8d2d62938b73e54b8d6e614bb3f2d1b
Signed-off-by: Lucas Wei <lucaswei@google.com>
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Changes in 4.9.260
futex: Cleanup variable names for futex_top_waiter()
futex: Cleanup refcounting
futex: Pull rt_mutex_futex_unlock() out from under hb->lock
futex: Futex_unlock_pi() determinism
futex: Fix pi_state->owner serialization
futex: Fix more put_pi_state() vs. exit_pi_state_list() races
futex: Don't enable IRQs unconditionally in put_pi_state()
net: usb: qmi_wwan: support ZTE P685M modem
arm: kprobes: Allow to handle reentered kprobe on single-stepping
scripts: use pkg-config to locate libcrypto
scripts: set proper OpenSSL include dir also for sign-file
hugetlb: fix update_and_free_page contig page struct assumption
printk: fix deadlock when kernel panic
arm64: Remove redundant mov from LL/SC cmpxchg
arm64: Avoid redundant type conversions in xchg() and cmpxchg()
arm64: cmpxchg: Use "K" instead of "L" for ll/sc immediate constraint
arm64: Use correct ll/sc atomic constraints
JFS: more checks for invalid superblock
xfs: Fix assert failure in xfs_setattr_size()
smackfs: restrict bytes count in smackfs write functions
net: fix up truesize of cloned skb in skb_prepare_for_shift()
mm/hugetlb.c: fix unnecessary address expansion of pmd sharing
staging: fwserial: Fix error handling in fwserial_create
x86/reboot: Add Zotac ZBOX CI327 nano PCI reboot quirk
vt/consolemap: do font sum unsigned
wlcore: Fix command execute failure 19 for wl12xx
pktgen: fix misuse of BUG_ON() in pktgen_thread_worker()
ath10k: fix wmi mgmt tx queue full due to race condition
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data
staging: most: sound: add sanity check for function argument
media: uvcvideo: Allow entities with no pads
scsi: iscsi: Restrict sessions and handles to admin capabilities
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE
scsi: iscsi: Verify lengths on passthrough PDUs
Xen/gnttab: handle p2m update errors on a per-slot basis
xen-netback: respect gnttab_map_refs()'s return value
zsmalloc: account the number of compacted pages correctly
swap: fix swapfile read/write offset
media: v4l: ioctl: Fix memory leak in video_usercopy
Linux 4.9.260
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I36c2dd54eec10fff4b30d04830dbf0c3928ec088
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commit 2efc459d06f1630001e3984854848a5647086232 upstream.
Output defects can exist in sysfs content using sprintf and snprintf.
sprintf does not know the PAGE_SIZE maximum of the temporary buffer
used for outputting sysfs content and it's possible to overrun the
PAGE_SIZE buffer length.
Add a generic sysfs_emit function that knows that the size of the
temporary buffer and ensures that no overrun is done.
Add a generic sysfs_emit_at function that can be used in multiple
call situations that also ensures that no overrun is done.
Validate the output buffer argument to be page aligned.
Validate the offset len argument to be within the PAGE_SIZE buf.
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/884235202216d464d61ee975f7465332c86f76b2.1600285923.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 4.9.237 into android-4.9-q
Linux 4.9.237
x86/defconfig: Enable CONFIG_USB_XHCI_HCD=y
powerpc/dma: Fix dma_map_ops::get_required_mask
ehci-hcd: Move include to keep CRC stable
serial: 8250_pci: Add Realtek 816a and 816b
Input: i8042 - add Entroware Proteus EL07R4 to nomux and reset lists
usblp: fix race between disconnect() and read()
USB: UAS: fix disconnect by unplugging a hub
* USB: quirks: Add USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk for BYD zhaoxin notebook
drivers/usb/core/quirks.c
drm/mediatek: Add exception handing in mtk_drm_probe() if component init fail
MIPS: SNI: Fix spurious interrupts
fbcon: Fix user font detection test at fbcon_resize().
perf test: Free formats for perf pmu parse test
MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT
Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload
clk: rockchip: Fix initialization of mux_pll_src_4plls_p
i2c: algo: pca: Reapply i2c bus settings after reset
rapidio: Replace 'select' DMAENGINES 'with depends on'
SUNRPC: stop printk reading past end of string
spi: spi-loopback-test: Fix out-of-bounds read
scsi: lpfc: Fix FLOGI/PLOGI receive race condition in pt2pt discovery
scsi: pm8001: Fix memleak in pm8001_exec_internal_task_abort
NFSv4.1 handle ERR_DELAY error reclaiming locking state on delegation recall
* net: handle the return value of pskb_carve_frag_list() correctly
net/core/skbuff.c
* gcov: add support for GCC 10.1
kernel/gcov/Kconfig
RDMA/rxe: Fix the parent sysfs read when the interface has 15 chars
IB/rxe: Remove a pointless indirection layer
* usb: Fix out of sync data toggle if a configured device is reconfigured
drivers/usb/core/message.c
USB: serial: option: add support for SIM7070/SIM7080/SIM7090 modules
USB: serial: ftdi_sio: add IDs for Xsens Mti USB converter
* usb: core: fix slab-out-of-bounds Read in read_descriptors
drivers/usb/core/sysfs.c
staging: greybus: audio: fix uninitialized value issue
video: fbdev: fix OOB read in vga_8planes_imageblit()
KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit
* vgacon: remove software scrollback support
drivers/video/console/Kconfig
fbcon: remove now unusued 'softback_lines' cursor() argument
fbcon: remove soft scrollback code
rbd: require global CAP_SYS_ADMIN for mapping and unmapping
scsi: target: iscsi: Fix hang in iscsit_access_np() when getting tpg->np_login_sem
scsi: target: iscsi: Fix data digest calculation
* regulator: push allocation in set_consumer_device_supply() out of lock
drivers/regulator/core.c
btrfs: fix wrong address when faulting in pages in the search ioctl
staging: wlan-ng: fix out of bounds read in prism2sta_probe_usb()
* USB: core: add helpers to retrieve endpoints
drivers/usb/core/usb.c
include/linux/usb.h
iio:accel:mma8452: Fix timestamp alignment and prevent data leak.
iio:accel:mma7455: Fix timestamp alignment and prevent data leak.
iio: accel: kxsd9: Fix alignment of local buffer.
iio:light:max44000 Fix timestamp alignment and prevent data leak.
iio:magnetometer:ak8975 Fix alignment and data leak issues.
drivers: iio: magnetometer: Fix sparse endianness warnings cast to restricted __be16
iio:adc:ti-adc081c Fix alignment and data leak issues
iio:adc:ina2xx Fix timestamp alignment issue.
iio:accel:bmc150-accel: Fix timestamp alignment and prevent data leak.
iio:light:ltr501 Fix timestamp alignment issue.
iio: adc: ti-ads1015: fix conversion when CONFIG_PM is not set
iio: adc: mcp3422: fix locking on error path
iio: adc: mcp3422: fix locking scope
* gcov: Disable gcov build with GCC 10
kernel/gcov/Kconfig
ALSA: hda: fix a runtime pm issue in SOF when integrated GPU is disabled
drivers/net/wan/hdlc_cisco: Add hard_header_len
irqchip/eznps: Fix build error for !ARC700 builds
xfs: initialize the shortform attr header padding entry
drivers/net/wan/lapbether: Set network_header before transmitting
ALSA: hda: Fix 2 channel swapping for Tegra
firestream: Fix memleak in fs_open
NFC: st95hf: Fix memleak in st95hf_in_send_cmd
drivers/net/wan/lapbether: Added needed_tailroom
scsi: libsas: Set data_dir as DMA_NONE if libata marks qc as NODATA
RDMA/rxe: Drop pointless checks in rxe_init_ports
RDMA/rxe: Fix memleak in rxe_mem_init_user
ARM: dts: socfpga: fix register entry for timer3 on Arria10
Merge 4.9.236 into android-4.9-q
Linux 4.9.236
* net: disable netpoll on fresh napis
net/core/dev.c
sctp: not disable bh in the whole sctp_get_port_local()
net: usb: dm9601: Add USB ID of Keenetic Plus DSL
* netlabel: fix problems with mapping removal
net/netlabel/netlabel_domainhash.c
bnxt: don't enable NAPI until rings are ready
net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init()
affs: fix basic permission bits to actually work
fs/affs: use octal for permissions
ALSA; firewire-tascam: exclude Tascam FE-8 from detection
* net: usb: Fix uninit-was-stored issue in asix_read_phy_addr()
drivers/net/usb/asix_common.c
* cfg80211: regulatory: reject invalid hints
net/wireless/reg.c
mm/hugetlb: fix a race between hugetlb sysctl handlers
checkpatch: fix the usage of capture group ( ... )
vfio/pci: Fix SR-IOV VF handling with MMIO blocking
* net: initialize fastreuse on inet_inherit_port
net/ipv4/inet_hashtables.c
* net: refactor bind_bucket fastreuse into helper
include/net/inet_connection_sock.h
net/ipv4/inet_connection_sock.c
* KVM: arm64: Set HCR_EL2.PTW to prevent AT taking synchronous exception
arch/arm64/include/asm/kvm_arm.h
* KVM: arm64: Survive synchronous exceptions caused by AT instructions
arch/arm64/include/asm/kvm_asm.h
KVM: arm64: Defer guest entry when an asynchronous exception is pending
* KVM: arm64: Add kvm_extable for vaxorcism code
arch/arm64/include/asm/kvm_asm.h
arch/arm64/kernel/vmlinux.lds.S
vfio-pci: Invalidate mmaps and block MMIO access on disabled memory
vfio-pci: Fault mmaps to enable vma tracking
vfio/type1: Support faulting PFNMAP vmas
* mm: slub: fix conversion of freelist_corrupted()
mm/slub.c
dm thin metadata: Avoid returning cmd->bm wild pointer on error
dm cache metadata: Avoid returning cmd->bm wild pointer on error
libata: implement ATA_HORKAGE_MAX_TRIM_128M and apply to Sandisks
* block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
drivers/block/brd.c
drivers/block/zram/zram_drv.h
include/linux/blkdev.h
include/linux/device-mapper.h
include/uapi/linux/msdos_fs.h
* block: allow for_each_bvec to support zero len bvec
include/linux/bvec.h
ALSA: firewire-digi00x: exclude Avid Adrenaline from detection
ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check
ALSA: ca0106: fix error code handling
usb: qmi_wwan: add D-Link DWM-222 A2 device ID
qmi_wwan: new Telewell and Sierra device IDs
drivers: net: usb: qmi_wwan: add QMI_QUIRK_SET_DTR for Telit PID 0x1201
net: usb: qmi_wwan: add Telit 0x1050 composition
btrfs: fix potential deadlock in the search ioctl
* uaccess: Add non-pagefault user-space write function
include/linux/uaccess.h
mm/maccess.c
* uaccess: Add non-pagefault user-space read functions
include/linux/uaccess.h
mm/maccess.c
btrfs: set the lockdep class for log tree extent buffers
btrfs: Remove extraneous extent_buffer_get from tree_mod_log_rewind
btrfs: Remove redundant extent_buffer_get in get_old_root
btrfs: drop path before adding new uuid tree entry
* include/linux/log2.h: add missing () around n in roundup_pow_of_two()
include/linux/log2.h
thermal: ti-soc-thermal: Fix bogus thermal shutdowns for omap4430
iommu/vt-d: Serialize IOMMU GCMD register modifications
tg3: Fix soft lockup when tg3_reset_task() fails.
* fix regression in "epoll: Keep a reference on files added to the check list"
fs/eventpoll.c
bnxt_en: Fix PCI AER error recovery flow
bnxt_en: Check for zero dir entries in NVRAM.
dmaengine: pl330: Fix burst length if burst size is smaller than bus width
net: arc_emac: Fix memleak in arc_mdio_probe
ravb: Fixed to be able to unload modules
net: hns: Fix memleak in hns_nic_dev_probe
netfilter: nf_tables: fix destination register zeroing
netfilter: nf_tables: incorrect enum nft_list_attributes definition
netfilter: nf_tables: add NFTA_SET_USERDATA if not null
MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores
MIPS: mm: BMIPS5000 has inclusive physical caches
dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate()
batman-adv: bla: use netif_rx_ni when not in interrupt context
batman-adv: Avoid uninitialized chaddr when handling DHCP
* dmaengine: of-dma: Fix of_dma_router_xlate's of_dma_xlate handling
drivers/dma/of-dma.c
xen/xenbus: Fix granting of vmalloc'd memory
s390: don't trace preemption in percpu macros
ceph: don't allow setlease on cephfs
nvmet: Disable keep-alive timer when kato is cleared to 0h
hwmon: (applesmc) check status earlier.
perf record/stat: Explicitly call out event modifiers in the documentation
* HID: core: Sanitize event code and type when mapping input
drivers/hid/hid-input.c
drivers/hid/hid-multitouch.c
include/linux/hid.h
* HID: core: Correctly handle ReportSize being zero
drivers/hid/hid-core.c
* ANDROID: overflow.h: fix merge issue with 4.9.235
include/linux/overflow.h
Merge 4.9.235 into android-4.9-q
Linux 4.9.235
* ALSA: usb-audio: Update documentation comment for MS2109 quirk
sound/usb/quirks-table.h
* HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
drivers/hid/usbhid/hiddev.c
btrfs: check the right error variable in btrfs_del_dir_entries_in_log
usb: storage: Add unusual_uas entry for Sony PSZ drives
* USB: gadget: u_f: Unbreak offset calculation in VLAs
drivers/usb/gadget/u_f.h
USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
* USB: gadget: u_f: add overflow checks to VLA macros
drivers/usb/gadget/u_f.h
* overflow.h: Add allocation size calculation helpers
drivers/md/dm-table.c
include/linux/overflow.h
usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
* USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
drivers/usb/storage/unusual_devs.h
* USB: quirks: Add no-lpm quirk for another Raydium touchscreen
drivers/usb/core/quirks.c
usb: uas: Add quirk for PNY Pro Elite
USB: yurex: Fix bad gfp argument
* device property: Fix the secondary firmware node handling in set_primary_fwnode()
drivers/base/core.c
* PM: sleep: core: Fix the handling of pending runtime resume requests
drivers/base/power/main.c
* xhci: Do warm-reset when both CAS and XDEV_RESUME are set
drivers/usb/host/xhci-hub.c
XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.
* writeback: Fix sync livelock due to b_dirty_time processing
fs/fs-writeback.c
include/trace/events/writeback.h
* writeback: Avoid skipping inode writeback
fs/fs-writeback.c
include/linux/fs.h
* writeback: Protect inode->i_io_list with inode->i_lock
fs/fs-writeback.c
serial: 8250: change lock order in serial8250_do_startup()
serial: pl011: Don't leak amba_ports entry on driver register error
serial: pl011: Fix oops on -EPROBE_DEFER
serial: samsung: Removes the IRQ not found warning
* vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
drivers/tty/vt/vt_ioctl.c
* vt: defer kfree() of vc_screenbuf in vc_do_resize()
drivers/tty/vt/vt.c
* USB: lvtest: return proper error code in probe
drivers/usb/misc/lvstest.c
fbcon: prevent user font height or width change from causing potential out-of-bounds access
btrfs: fix space cache memory leak after transaction abort
HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
powerpc/perf: Fix soft lockups due to missed interrupt accounting
net: gianfar: Add of_node_put() before goto statement
* scsi: ufs: Improve interrupt handling for shared interrupts
drivers/scsi/ufs/ufshcd.c
* scsi: ufs: Fix possible infinite loop in ufshcd_hold
drivers/scsi/ufs/ufshcd.c
s390/cio: add cond_resched() in the slow_eval_known_fn() loop
* fs: prevent BUG_ON in submit_bh_wbc()
fs/buffer.c
fs/ext4/super.c
* jbd2: abort journal if free a async write error metadata buffer
fs/jbd2/transaction.c
* jbd2: make sure jh have b_transaction set in refile/unfile_buffer
fs/jbd2/transaction.c
usb: gadget: f_tcm: Fix some resource leaks in some error paths
i2c: rcar: in slave mode, clear NACK earlier
Revert "ath10k: fix DMA related firmware crashes on multiple devices"
* efi: provide empty efi_enter_virtual_mode implementation
include/linux/efi.h
USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
powerpc/spufs: add CONFIG_COREDUMP dependency
KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
media: davinci: vpif_capture: fix potential double free
EDAC/ie31200: Fallback if host bridge device is already initialized
scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
ceph: fix potential mdsc use-after-free crash
scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
locking/lockdep: Fix overflow in presentation of average lock-time
drm/nouveau: Fix reference count leak in nouveau_connector_detect
drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
cec-api: prevent leaking memory through hole in structure
mips/vdso: Fix resource leaks in genvdso.c
rtlwifi: rtl8192cu: Prevent leaking urb
* PCI: Fix pci_create_slot() reference count leak
drivers/pci/slot.c
omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
scsi: lpfc: Fix shost refcount mismatch when deleting vport
drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
drm/radeon: fix multiple reference count leak
drm/amdkfd: Fix reference count leaks.
* iommu/iova: Don't BUG on invalid PFNs
drivers/iommu/iova.c
scsi: target: tcmu: Fix crash on ARM during cmd completion
media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA value in debiirq()
arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
ASoC: tegra: Fix reference count leaks.
ALSA: pci: delete repeated words in comments
* gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
net/ipv6/ip6_tunnel.c
ipvlan: fix device features
tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
* net: Fix potential wrong skb->protocol in skb_vlan_untag()
net/core/skbuff.c
* bonding: show saner speed for broadcast mode
drivers/net/bonding/bond_main.c
* bonding: fix a potential double-unregister
drivers/net/bonding/bond_main.c
Change-Id: Ic5e975d213782585fedbf8a5869b9b0aaad0bf66
Signed-off-by: lucaswei <lucaswei@google.com>
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Changes in 4.9.236
HID: core: Correctly handle ReportSize being zero
HID: core: Sanitize event code and type when mapping input
perf record/stat: Explicitly call out event modifiers in the documentation
hwmon: (applesmc) check status earlier.
nvmet: Disable keep-alive timer when kato is cleared to 0h
ceph: don't allow setlease on cephfs
s390: don't trace preemption in percpu macros
xen/xenbus: Fix granting of vmalloc'd memory
dmaengine: of-dma: Fix of_dma_router_xlate's of_dma_xlate handling
batman-adv: Avoid uninitialized chaddr when handling DHCP
batman-adv: bla: use netif_rx_ni when not in interrupt context
dmaengine: at_hdmac: check return value of of_find_device_by_node() in at_dma_xlate()
MIPS: mm: BMIPS5000 has inclusive physical caches
MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores
netfilter: nf_tables: add NFTA_SET_USERDATA if not null
netfilter: nf_tables: incorrect enum nft_list_attributes definition
netfilter: nf_tables: fix destination register zeroing
net: hns: Fix memleak in hns_nic_dev_probe
ravb: Fixed to be able to unload modules
net: arc_emac: Fix memleak in arc_mdio_probe
dmaengine: pl330: Fix burst length if burst size is smaller than bus width
bnxt_en: Check for zero dir entries in NVRAM.
bnxt_en: Fix PCI AER error recovery flow
fix regression in "epoll: Keep a reference on files added to the check list"
tg3: Fix soft lockup when tg3_reset_task() fails.
iommu/vt-d: Serialize IOMMU GCMD register modifications
thermal: ti-soc-thermal: Fix bogus thermal shutdowns for omap4430
include/linux/log2.h: add missing () around n in roundup_pow_of_two()
btrfs: drop path before adding new uuid tree entry
btrfs: Remove redundant extent_buffer_get in get_old_root
btrfs: Remove extraneous extent_buffer_get from tree_mod_log_rewind
btrfs: set the lockdep class for log tree extent buffers
uaccess: Add non-pagefault user-space read functions
uaccess: Add non-pagefault user-space write function
btrfs: fix potential deadlock in the search ioctl
net: usb: qmi_wwan: add Telit 0x1050 composition
drivers: net: usb: qmi_wwan: add QMI_QUIRK_SET_DTR for Telit PID 0x1201
qmi_wwan: new Telewell and Sierra device IDs
usb: qmi_wwan: add D-Link DWM-222 A2 device ID
ALSA: ca0106: fix error code handling
ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check
ALSA: firewire-digi00x: exclude Avid Adrenaline from detection
block: allow for_each_bvec to support zero len bvec
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
libata: implement ATA_HORKAGE_MAX_TRIM_128M and apply to Sandisks
dm cache metadata: Avoid returning cmd->bm wild pointer on error
dm thin metadata: Avoid returning cmd->bm wild pointer on error
mm: slub: fix conversion of freelist_corrupted()
vfio/type1: Support faulting PFNMAP vmas
vfio-pci: Fault mmaps to enable vma tracking
vfio-pci: Invalidate mmaps and block MMIO access on disabled memory
KVM: arm64: Add kvm_extable for vaxorcism code
KVM: arm64: Defer guest entry when an asynchronous exception is pending
KVM: arm64: Survive synchronous exceptions caused by AT instructions
KVM: arm64: Set HCR_EL2.PTW to prevent AT taking synchronous exception
net: refactor bind_bucket fastreuse into helper
net: initialize fastreuse on inet_inherit_port
vfio/pci: Fix SR-IOV VF handling with MMIO blocking
checkpatch: fix the usage of capture group ( ... )
mm/hugetlb: fix a race between hugetlb sysctl handlers
cfg80211: regulatory: reject invalid hints
net: usb: Fix uninit-was-stored issue in asix_read_phy_addr()
ALSA; firewire-tascam: exclude Tascam FE-8 from detection
fs/affs: use octal for permissions
affs: fix basic permission bits to actually work
net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init()
bnxt: don't enable NAPI until rings are ready
netlabel: fix problems with mapping removal
net: usb: dm9601: Add USB ID of Keenetic Plus DSL
sctp: not disable bh in the whole sctp_get_port_local()
net: disable netpoll on fresh napis
Linux 4.9.236
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I707909fadc45a09f6ecdacb81a294421af163664
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[ Upstream commit d3a84a8d0dde4e26bc084b36ffcbdc5932ac85e2 ]
The basic permission bits (protection bits in AmigaOS) have been broken
in Linux' AFFS - it would only set bits, but never delete them.
Also, contrary to the documentation, the Archived bit was not handled.
Let's fix this for good, and set the bits such that Linux and classic
AmigaOS can coexist in the most peaceful manner.
Also, update the documentation to represent the current state of things.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Max Staudt <max@enpas.org>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Merge 4.9.219 into android-4.9-q
Linux 4.9.219
* drm/msm: Use the correct dma_sync calls in msm_gem
drivers/gpu/drm/msm/msm_gem.c
* drm_dp_mst_topology: fix broken drm_dp_sideband_parse_remote_dpcd_read()
drivers/gpu/drm/drm_dp_mst_topology.c
* usb: dwc3: don't set gadget->is_otg flag
drivers/usb/dwc3/gadget.c
* arm64: Fix size of __early_cpu_boot_status
arch/arm64/kernel/head.S
* drm/msm: stop abusing dma_map/unmap for cache
drivers/gpu/drm/msm/msm_gem.c
* clk: qcom: rcg: Return failure for RCG update
drivers/clk/qcom/clk-rcg2.c
RDMA/cm: Update num_paths in cma_resolve_iboe_route error flow
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl
ceph: canonicalize server path in place
ceph: remove the extra slashes in the server path
IB/hfi1: Fix memory leaks in sysfs registration and unregistration
IB/hfi1: Call kobject_put() when kobject_init_and_add() fails
ASoC: jz4740-i2s: Fix divider written at incorrect offset in register
tools/accounting/getdelays.c: fix netlink attribute length
* random: always use batched entropy for get_random_u{32,64}
drivers/char/random.c
net: phy: micrel: kszphy_resume(): add delay after genphy_resume() before accessing PHY registers
slcan: Don't transmit uninitialized stack data in padding
net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting
net: dsa: bcm_sf2: Ensure correct sub-node is parsed
mm: mempolicy: require at least one nodeid for MPOL_PREFERRED
padata: always acquire cpu_hotplug_lock before pinst->lock
net: dsa: tag_brcm: Fix skb->fwd_offload_mark location
* coresight: do not use the BIT() macro in the UAPI header
include/uapi/linux/coresight-stm.h
* blk-mq: Allow blocking queue tag iter callbacks
block/blk-mq-tag.c
* blk-mq: sync the update nr_hw_queues with blk_mq_queue_tag_busy_iter
block/blk-mq-tag.c
block/blk-mq.c
drm/etnaviv: replace MMU flush marker with flush sequence
sctp: fix possibly using a bad saddr with a given dst
sctp: fix refcount bug in sctp_wfree
* net, ip_tunnel: fix interface lookup with no key
net/ipv4/ip_tunnel.c
* ipv4: fix a RCU-list lock in fib_triestat_seq_show
net/ipv4/fib_trie.c
drm/bochs: downgrade pci_request_region failure from error to warning
* l2tp: fix race between l2tp_session_delete() and l2tp_tunnel_closeall()
net/l2tp/l2tp_core.c
net/l2tp/l2tp_core.h
* l2tp: ensure sessions are freed after their PPPOL2TP socket
net/l2tp/l2tp_ppp.c
ANDROID: cuttlefish_defconfig: Minimally enable EFI
Merge 4.9.218 into android-4.9-q
Linux 4.9.218
perf map: Fix off by one in strncpy() size argument
* arm64: alternative: fix build with clang integrated assembler
arch/arm64/include/asm/alternative.h
net: ks8851-ml: Fix IO operations, again
* bpf: Explicitly memset the bpf_attr structure
kernel/bpf/syscall.c
* vt: vt_ioctl: fix use-after-free in vt_in_use()
drivers/tty/vt/vt_ioctl.c
* locking/atomic, kref: Add kref_read()
include/linux/kref.h
* vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
drivers/tty/vt/vt.c
drivers/tty/vt/vt_ioctl.c
* vt: vt_ioctl: remove unnecessary console allocation checks
drivers/tty/vt/vt_ioctl.c
* vt: switch vt_dont_switch to bool
drivers/tty/vt/vt_ioctl.c
include/linux/vt_kern.h
* vt: ioctl, switch VT_IS_IN_USE and VT_BUSY to inlines
drivers/tty/vt/vt_ioctl.c
* vt: selection, introduce vc_is_sel
drivers/tty/vt/selection.c
drivers/tty/vt/vt.c
drivers/tty/vt/vt_ioctl.c
include/linux/selection.h
mac80211: fix authentication with iwlwifi/mvm
mac80211: Check port authorization in the ieee80211_tx_dequeue() case
media: xirlink_cit: add missing descriptor sanity checks
media: stv06xx: add missing descriptor sanity checks
media: dib0700: fix rc endpoint lookup
media: ov519: add missing endpoint sanity checks
* libfs: fix infoleak in simple_attr_read()
fs/libfs.c
staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
staging: rtl8188eu: Add ASUS USB-N10 Nano B1 to device table
media: usbtv: fix control-message timeouts
media: flexcop-usb: fix endpoint sanity check
usb: musb: fix crash with highmen PIO and usbmon
USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
USB: cdc-acm: restore capability check order
USB: serial: option: add Wistron Neweb D19Q1
USB: serial: option: add BroadMobi BM806U
USB: serial: option: add support for ASKEY WWHC050
tools: Let O= makes handle a relative path with -C option
Input: raydium_i2c_ts - fix error codes in raydium_i2c_boot_trigger()
Input: raydium_i2c_ts - use true and false for boolean values
* vti6: Fix memory leak of skb if input policy check fails
net/ipv6/ip6_vti.c
netfilter: nft_fwd_netdev: validate family and chain type
* xfrm: policy: Fix doulbe free in xfrm_policy_timer
net/xfrm/xfrm_policy.c
* xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
net/xfrm/xfrm_user.c
* xfrm: fix uctx len check in verify_sec_ctx_len
net/xfrm/xfrm_user.c
* vti[6]: fix packet tx through bpf_redirect() in XinY cases
net/ipv4/Kconfig
net/ipv4/ip_vti.c
net/ipv6/ip6_vti.c
* genirq: Fix reference leaks on irq affinity notifiers
kernel/irq/manage.c
mac80211: mark station unauthorized before key removal
* scsi: sd: Fix optimal I/O size for devices that change reported values
drivers/scsi/sd.c
scripts/dtc: Remove redundant YYLOC global declaration
perf probe: Do not depend on dwfl_module_addrsym()
ARM: dts: omap5: Add bus_dma_limit for L3 bus
ARM: dts: dra7: Add bus_dma_limit for L3 bus
i2c: hix5hd2: add missed clk_disable_unprepare in remove
sxgbe: Fix off by one in samsung driver strncpy size arg
mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
scsi: ipr: Fix softlockup when rescanning devices in petitboot
dt-bindings: net: FMan erratum A050385
cpupower: avoid multiple definition with gcc -fno-common
* net: ipv4: don't let PMTU updates increase route MTU
net/ipv4/route.c
KVM: VMX: Do not allow reexecute_instruction() when skipping MMIO instr
hsr: set .netnsok flag
hsr: add restart routine into hsr_get_node_list()
hsr: use rcu_read_lock() in hsr_get_node_{list/status}()
net: mvneta: Fix the case where the last poll did not process all rx
vxlan: check return value of gro_cells_init()
slcan: not call free_netdev before rtnl_unlock in slcan_open
NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
net_sched: keep alloc_hash updated after hash allocation
net_sched: cls_route: remove the right filter from hashtable
net: dsa: Fix duplicate frames flooded by learning
macsec: restrict to ethernet devices
hsr: fix general protection fault in hsr_addr_is_self()
* Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
drivers/gpu/drm/drm_dp_mst_topology.c
staging: greybus: loopback_test: fix potential path truncations
staging: greybus: loopback_test: fix potential path truncation
* arm64: smp: fix smp_send_stop() behaviour
arch/arm64/kernel/smp.c
ALSA: hda/realtek: Fix pop noise on ALC225
* futex: Unbreak futex hashing
kernel/futex.c
* futex: Fix inode life-time issue
fs/inode.c
include/linux/fs.h
include/linux/futex.h
kernel/futex.c
* kbuild: Disable -Wpointer-to-enum-cast
scripts/Makefile.extrawarn
USB: cdc-acm: fix rounding error in TIOCSSERIAL
USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL
* x86/mm: split vmalloc_sync_all()
include/linux/vmalloc.h
kernel/notifier.c
mm/vmalloc.c
* mm, slub: prevent kmalloc_node crashes and memory leaks
mm/slub.c
* mm: slub: be more careful about the double cmpxchg of freelist
mm/slub.c
* memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event
mm/memcontrol.c
* rtc: max8907: add missing select REGMAP_IRQ
drivers/rtc/Kconfig
intel_th: Fix user-visible error codes
staging/speakup: fix get_word non-space look-ahead
staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2
iio: magnetometer: ak8974: Fix negative raw values in sysfs
ALSA: pcm: oss: Remove WARNING from snd_pcm_plug_alloc() checks
ALSA: pcm: oss: Avoid plugin buffer overflow
ALSA: seq: oss: Fix running status after receiving sysex
ALSA: seq: virmidi: Fix running status after receiving sysex
ALSA: line6: Fix endless MIDI read loop
USB: serial: pl2303: add device-id for HP LD381
* usb: host: xhci-plat: add a shutdown
drivers/usb/host/xhci-plat.c
USB: serial: option: add ME910G1 ECM composition 0x110b
* usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters
drivers/usb/core/quirks.c
* USB: Disable LPM on WD19's Realtek Hub
drivers/usb/core/quirks.c
altera-stapl: altera_get_note: prevent write beyond end of 'key'
drm/exynos: dsi: fix workaround for the legacy clock name
drm/exynos: dsi: propagate error value and silence meaningless warning
spi/zynqmp: remove entry that causes a cs glitch
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
powerpc: Include .BTF section
* spi: qup: call spi_qup_pm_resume_runtime before suspending
drivers/spi/spi-qup.c
* UPSTREAM: ipv6: ndisc: add support for 'PREF64' dns64 prefix identifier
include/net/ndisc.h
net/ipv6/ndisc.c
ANDROID: dm-bow: Fix free_show value is incorrect
* UPSTREAM: bpf: Explicitly memset the bpf_attr structure
kernel/bpf/syscall.c
Merge 4.9.217 into android-4.9-q
Linux 4.9.217
* ipv4: ensure rcu_read_lock() in cipso_v4_error()
net/ipv4/cipso_ipv4.c
* mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
mm/slub.c
ARM: 8958/1: rename missed uaccess .fixup section
ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
* jbd2: fix data races at struct journal_head
fs/jbd2/transaction.c
* signal: avoid double atomic counter increments for user accounting
kernel/signal.c
mac80211: rx: avoid RCU list traversal under mutex
net: ks8851-ml: Fix IRQ handling and locking
* cfg80211: check reg_rule for NULL in handle_channel_custom()
net/wireless/reg.c
HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
* HID: apple: Add support for recent firmware on Magic Keyboards
drivers/hid/hid-apple.c
ACPI: watchdog: Allow disabling WDAT at boot
perf/amd/uncore: Replace manual sampling check with CAP_NO_INTERRUPT flag
batman-adv: Use explicit tvlv padding for ELP packets
batman-adv: Avoid probe ELP information leak
batman-adv: update data pointers after skb_cow()
batman-adv: Don't schedule OGM for disabled interface
batman-adv: Avoid free/alloc race when handling OGM buffer
batman-adv: Avoid free/alloc race when handling OGM2 buffer
batman-adv: Fix duplicated OGMs on NETDEV_UP
batman-adv: Prevent duplicated gateway_node entry
batman-adv: Fix multicast TT issues with bogus ROAM flags
batman-adv: Avoid storing non-TT-sync flags on singular entries too
batman-adv: Fix debugfs path for renamed softif
batman-adv: Fix debugfs path for renamed hardif
batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs
batman-adv: Fix TT sync flags for intermediate TT responses
batman-adv: Avoid race in TT TVLV allocator helper
batman-adv: Fix internal interface indices types
batman-adv: Fix lock for ogm cnt access in batadv_iv_ogm_calc_tq
batman-adv: Fix check of retrieved orig_gw in batadv_v_gw_is_eligible
batman-adv: Always initialize fragment header priority
batman-adv: Avoid spurious warnings from bat_v neigh_cmp implementation
batman-adv: fix TT sync flag inconsistencies
batman-adv: Accept only filled wifi station info
batman-adv: Use default throughput value on cfg80211 error
batman-adv: Fix rx packet/bytes stats on local ARP reply
batman-adv: Initialize gw sel_class via batadv_algo
batman-adv: Fix transmission of final, 16th fragment
batman-adv: Fix double free during fragment merge error
efi: Add a sanity check to efivar_store_raw()
* ipv6: restrict IPV6_ADDRFORM operation
net/ipv6/ipv6_sockglue.c
iommu/vt-d: Ignore devices with out-of-spec domain number
iommu/vt-d: Fix the wrong printing in RHSA parsing
mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame()
netfilter: cthelper: add missing attribute validation for cthelper
* nl80211: add missing attribute validation for channel switch
net/wireless/nl80211.c
* nl80211: add missing attribute validation for beacon report scanning
net/wireless/nl80211.c
* nl80211: add missing attribute validation for critical protocol indication
net/wireless/nl80211.c
iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
efi: Fix a race and a buffer overflow while reading efivars via sysfs
ARC: define __ALIGN_STR and __ALIGN symbols for ARC
KVM: x86: clear stale x86_emulate_ctxt->intercept value
gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache
* cifs_atomic_open(): fix double-put on late allocation failure
fs/open.c
drm/amd/display: remove duplicated assignment to grph_obj_type
* workqueue: don't use wq_select_unbound_cpu() for bound works
kernel/workqueue.c
iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
virtio-blk: fix hw_queue stopped on arbitrary error
* net: phy: fix MDIO bus PM PHY resuming
drivers/net/phy/phy_device.c
include/linux/phy.h
* cgroup: memcg: net: do not associate sock with unrelated cgroup
kernel/cgroup.c
mm/memcontrol.c
* bonding/alb: make sure arp header is pulled before accessing it
drivers/net/bonding/bond_alb.c
* slip: make slhc_compress() more robust against malicious packets
drivers/net/slip/slhc.c
net: fec: validate the new settings in fec_enet_set_coalesce()
macvlan: add cond_resched() during multicast processing
ipvlan: don't deref eth hdr before checking it's set
ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()
ipvlan: egress mcast packets are not exceptional
ipvlan: do not add hardware address of master to its unicast filter list
ipvlan: add cond_resched_rcu() while processing muticast backlog
nfc: add missing attribute validation for vendor subcommand
nfc: add missing attribute validation for SE API
team: add missing attribute validation for array index
team: add missing attribute validation for port ifindex
net: fq: add missing attribute validation for orphan mask
macsec: add missing attribute validation for port
nl802154: add missing attribute validation for dev_type
nl802154: add missing attribute validation
* fib: add missing attribute validation for tun_id
include/net/fib_rules.h
bnxt_en: reinitialize IRQs when MTU is modified
* r8152: check disconnect status after long sleep
drivers/net/usb/r8152.c
net: nfc: fix bounds checking bugs on "pipe"
net: macsec: update SCI upon MAC address change.
* ipv6/addrconf: call ipv6_mc_up() for non-Ethernet interface
net/ipv6/addrconf.c
gre: fix uninit-value in __iptunnel_pull_header
cgroup, netclassid: periodically release file_lock on classid updating
* net: phy: Avoid multiple suspends
drivers/net/phy/phy_device.c
* phy: Revert toggling reset changes.
drivers/net/phy/phy_device.c
NFS: Remove superfluous kmap in nfs_readdir_xdr_to_array
Merge 4.9.216 into android-4.9-q
Linux 4.9.216
crypto: algif_skcipher - use ZERO_OR_NULL_PTR in skcipher_recvmsg_async
dm cache: fix a crash due to incorrect work item cancelling
powerpc: fix hardware PMU exception bug on PowerVM compatibility mode systems
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT()
ARM: imx: build v7_cpu_resume() unconditionally
RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
RDMA/iwcm: Fix iwcm work deallocation
* ASoC: dapm: Correct DAPM handling of active widgets during shutdown
sound/soc/soc-dapm.c
ASoC: pcm512x: Fix unbalanced regulator enable call in probe error path
* ASoC: pcm: Fix possible buffer overflow in dpcm state sysfs output
sound/soc/soc-pcm.c
ARM: dts: ls1021a: Restore MDIO compatible to gianfar
dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
dmaengine: tegra-apb: Fix use-after-free
x86/pkeys: Manually set X86_FEATURE_OSPKE to preserve existing changes
* vt: selection, push sel_lock up
drivers/tty/vt/selection.c
* vt: selection, push console lock down
drivers/tty/vt/selection.c
drivers/tty/vt/vt.c
* vt: selection, close sel_buffer race
drivers/tty/vt/selection.c
tty:serial:mvebu-uart:fix a wrong return
* fat: fix uninit-memory access for partial initialized inode
fs/fat/inode.c
vgacon: Fix a UAF in vgacon_invert_region
* usb: core: port: do error out if usb_autopm_get_interface() fails
drivers/usb/core/port.c
* usb: core: hub: do error out if usb_autopm_get_interface() fails
drivers/usb/core/hub.c
* usb: quirks: add NO_LPM quirk for Logitech Screen Share
drivers/usb/core/quirks.c
* usb: storage: Add quirk for Samsung Fit flash
drivers/usb/storage/unusual_devs.h
cifs: don't leak -EAGAIN for stat() during reconnect
s390/cio: cio_ignore_proc_seq_next should increase position index
watchdog: da9062: do not ping the hw during stop()
net: ks8851-ml: Fix 16-bit IO operation
net: ks8851-ml: Fix 16-bit data access
net: ks8851-ml: Remove 8-bit bus accessors
drm/msm/dsi: save pll state before dsi host is powered off
drm: msm: Fix return type of dsi_mgr_connector_mode_valid for kCFI
usb: gadget: serial: fix Tx stall after buffer overflow
* usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags
drivers/usb/gadget/function/f_fs.c
* usb: gadget: composite: Support more than 500mA MaxPower
drivers/usb/gadget/composite.c
serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
vhost: Check docket sk_family instead of call getname
* audit: always check the netlink payload length in audit_receive_msg()
kernel/audit.c
mm/huge_memory.c: use head to check huge zero page
perf hists browser: Restore ESC as "Zoom out" of DSO/thread/etc
drivers: net: xgene: Fix the order of the arguments of 'alloc_etherdev_mqs()'
* tuntap: correctly set SOCKWQ_ASYNC_NOSPACE
drivers/net/tun.c
slip: stop double free sl->dev in slip_open
KVM: Check for a bad hva before dropping into the ghc slow path
* namei: only return -ECHILD from follow_dotdot_rcu()
fs/namei.c
net: ena: make ena rxfh support ETH_RSS_HASH_NO_CHANGE
* net: netlink: cap max groups which will be considered in netlink_bind()
net/netlink/af_netlink.c
* include/linux/bitops.h: introduce BITS_PER_TYPE
include/linux/bitops.h
serial: 8250: Check UPF_IRQ_SHARED in advance
* ecryptfs: Fix up bad backport of fe2e082f5da5b4a0a92ae32978f81507ef37ec66
fs/ecryptfs/keystore.c
i2c: jz4780: silence log flood on txabrt
MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()'
* HID: hiddev: Fix race in in hiddev_disconnect()
drivers/hid/usbhid/hiddev.c
* HID: core: increase HID report buffer size to 8KiB
include/linux/hid.h
* HID: core: fix off-by-one memset in hid_report_raw_event()
drivers/hid/hid-core.c
ACPI: watchdog: Fix gas->access_width usage
* ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro
include/acpi/actypes.h
* audit: fix error handling in audit_data_to_entry()
kernel/auditfilter.c
* ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
fs/ext4/super.c
* net: sched: correct flower port blocking
include/net/flow_dissector.h
nfc: pn544: Fix occasional HW initialization failure
sctp: move the format error check out of __sctp_sf_do_9_1_abort
* ipv6: Fix route replacement with dev-only route
net/ipv6/ip6_fib.c
* ipv6: Fix nlmsg_flags when splitting a multipath route
net/ipv6/route.c
net: phy: restore mdio regs in the iproc mdio driver
* net: fib_rules: Correctly set table field when table number exceeds 8 bits
net/core/fib_rules.c
* sysrq: Remove duplicated sysrq message
drivers/tty/sysrq.c
* sysrq: Restore original console_loglevel when sysrq disabled
drivers/tty/sysrq.c
* cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE
net/wireless/nl80211.c
cifs: Fix mode output in debugging statements
net: ena: ena-com.c: prevent NULL pointer dereference
net: ena: fix incorrectly saving queue numbers when setting RSS indirection table
net: ena: rss: store hash function as values and not bits
net: ena: rss: fix failure to get indirection table
net: ena: fix incorrect default RSS key
net: ena: add missing ethtool TX timestamping indication
net: ena: fix potential crash when rxfh key is NULL
qmi_wwan: re-add DW5821e pre-production variant
* cfg80211: check wiphy driver existence for drvinfo report
net/wireless/ethtool.c
mac80211: consider more elements in parsing CRC
* drm/msm: Set dma maximum segment size for mdss
drivers/gpu/drm/msm/msm_drv.c
ipmi:ssif: Handle a possible NULL pointer reference
* ext4: fix potential race between s_group_info online resizing and access
fs/ext4/ext4.h
fs/ext4/mballoc.c
* ext4: fix potential race between s_flex_groups online resizing and access
fs/ext4/ext4.h
fs/ext4/ialloc.c
fs/ext4/mballoc.c
fs/ext4/resize.c
fs/ext4/super.c
* ext4: fix potential race between online resizing and write operations
fs/ext4/balloc.c
fs/ext4/ext4.h
fs/ext4/resize.c
fs/ext4/super.c
iwlwifi: pcie: fix rb_allocator workqueue allocation
* FROMLIST: HID: nintendo: add nintendo switch controller driver
drivers/hid/Kconfig
drivers/hid/Makefile
drivers/hid/hid-core.c
drivers/hid/hid-ids.h
drivers/hid/hid-nintendo.c
Merge 4.9.215 into android-4.9-q
* UPSTREAM: sched/psi: Fix OOB write when writing 0 bytes to PSI files
kernel/sched/psi.c
* UPSTREAM: psi: Fix a division error in psi poll()
kernel/sched/psi.c
* UPSTREAM: sched/psi: Fix sampling error and rare div0 crashes with cgroups and high uptime
kernel/sched/psi.c
* UPSTREAM: sched/psi: Correct overly pessimistic size calculation
kernel/sched/psi.c
Linux 4.9.215
s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range
xen: Enable interrupts when calling _cond_resched()
ata: ahci: Add shutdown to freeze hardware resources of ahci
* netfilter: xt_hashlimit: limit the max size of hashtable
net/netfilter/xt_hashlimit.c
ALSA: seq: Fix concurrent access to queue current tick/time
ALSA: seq: Avoid concurrent access to queue flags
* ALSA: rawmidi: Avoid bit fields for state flags
include/sound/rawmidi.h
* ecryptfs: replace BUG_ON with error handling code
fs/ecryptfs/crypto.c
staging: greybus: use after free in gb_audio_manager_remove_all()
* usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus
drivers/usb/gadget/composite.c
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
KVM: apic: avoid calculating pending eoi from an uninitialized val
KVM: nVMX: Check IO instruction VM-exit conditions
KVM: nVMX: Refactor IO bitmap checks into helper function
* ext4: fix race between writepages and enabling EXT4_EXTENTS_FL
fs/ext4/ext4.h
fs/ext4/migrate.c
* ext4: rename s_journal_flag_rwsem to s_writepages_rwsem
fs/ext4/ext4.h
fs/ext4/inode.c
fs/ext4/super.c
* ext4: fix mount failure with quota configured as module
fs/ext4/super.c
* ext4: add cond_resched() to __ext4_find_entry()
fs/ext4/namei.c
* ext4: fix a data race in EXT4_I(inode)->i_disksize
fs/ext4/ext4.h
fs/ext4/inode.c
* netfilter: xt_bpf: add overflow checks
net/netfilter/xt_bpf.c
KVM: nVMX: Don't emulate instructions in guest mode
lib/stackdepot.c: fix global out-of-bounds in stack_slabs
* vt: vt_ioctl: fix race in VT_RESIZEX
drivers/tty/vt/vt_ioctl.c
* VT_RESIZEX: get rid of field-by-field copyin
drivers/tty/vt/vt_ioctl.c
KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI
* xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
drivers/usb/host/xhci-pci.c
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
tty: serial: imx: setup the correct sg entry for tx dma
tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
x86/mce/amd: Fix kobject lifetime
x86/mce/amd: Publish the bank pointer only after setup has succeeded
staging: rtl8188eu: Fix potential overuse of kernel memory
staging: rtl8188eu: Fix potential security hole
* USB: hub: Don't record a connect-change event during reset-resume
drivers/usb/core/hub.c
* USB: Fix novation SourceControl XL after suspend
drivers/usb/core/quirks.c
usb: uas: fix a plug & unplug racing
* xhci: Force Maximum Packet size for Full-speed bulk devices to valid range.
drivers/usb/host/xhci-mem.c
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
* staging: android: ashmem: Disallow ashmem memory from being remapped
drivers/staging/android/ashmem.c
* vt: selection, handle pending signals in paste_selection
drivers/tty/vt/selection.c
floppy: check FDC index for errors before assigning it
net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS
enic: prevent waking up stopped tx queues over watchdog reset
* selinux: ensure we cleanup the internal AVC counters on error in avc_update()
security/selinux/avc.c
help_next should increase position index
* brd: check and limit max_part par
drivers/block/brd.c
microblaze: Prevent the overflow of the start
iwlwifi: mvm: Fix thermal zone registration
* irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
drivers/irqchip/irq-gic-v3-its.c
bcache: explicity type cast in bset_bkey_last()
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
* lib/scatterlist.c: adjust indentation in __sg_alloc_table
lib/scatterlist.c
ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans()
radeon: insert 10ms sleep in dce5_crtc_load_lut
* trigger_next should increase position index
kernel/trace/trace_events_trigger.c
ftrace: fpid_next() should increase position index
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
* irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
drivers/irqchip/irq-gic-v3.c
cifs: fix NULL dereference in match_prepath
iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
hostap: Adjust indentation in prism2_hostapd_add_sta
ARM: 8951/1: Fix Kexec compilation issue.
* jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
fs/jbd2/commit.c
powerpc/sriov: Remove VF eeh_dev state when disabling SR-IOV
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
* driver core: platform: fix u32 greater or equal to zero comparison
drivers/base/platform.c
s390/ftrace: generate traced function stack frame
x86/decoder: Add TEST opcode to Group3-2
remoteproc: Initialize rproc_class before use
ide: serverworks: potential overflow in svwks_set_pio_mode()
cmd64x: potential buffer overflow in cmd64x_program_timings()
pwm: omap-dmtimer: Remove PWM chip in .remove before making it unfunctional
* arm64: fix alternatives with LLVM's integrated assembler
arch/arm64/include/asm/alternative.h
scsi: iscsi: Don't destroy session if there are outstanding connections
iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
usb: musb: omap2430: Get rid of musb .set_vbus for omap2430 glue
drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
drm/nouveau/gr/gk20a,gm200-: add terminators to method lists read from fw
vme: bridges: reduce stack usage
* driver core: Print device when resources present in really_probe()
drivers/base/dd.c
* driver core: platform: Prevent resouce overflow from causing infinite loops
drivers/base/platform.c
tty: synclink_gt: Adjust indentation in several functions
tty: synclinkmp: Adjust indentation in several functions
* ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
sound/soc/atmel/Kconfig
wan: ixp4xx_hss: fix compile-testing on 64-bit
Input: edt-ft5x06 - work around first register access error
* rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
include/linux/list_nulls.h
include/linux/rculist_nulls.h
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
udf: Fix free space reporting for metadata and virtual partitions
usbip: Fix unsafe unaligned pointer usage
tools lib api fs: Fix gcc9 stringop-truncation compilation error
ALSA: sh: Fix compile warning wrt const
RDMA/rxe: Fix error type of mmap_offset
pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
* PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
drivers/devfreq/Kconfig
drivers/devfreq/event/Kconfig
x86/vdso: Provide missing include file
ARM: dts: r8a7779: Add device node for ARM global timer
drm/mediatek: handle events when enabling/disabling crtc
scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
orinoco: avoid assertion in case of NULL pointer
rtlwifi: rtl_pci: Fix -Wcast-function-type
iwlegacy: Fix -Wcast-function-type
ipw2x00: Fix -Wcast-function-type
b43legacy: Fix -Wcast-function-type
ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
* media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros
include/media/v4l2-device.h
NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
PCI/IOV: Fix memory leak in pci_iov_add_virtfn()
net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
regulator: rk808: Lower log level on optional GPIOs being not available
drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table
* clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
drivers/clk/qcom/clk-rcg2.c
* kconfig: fix broken dependency in randconfig-generated .config
scripts/kconfig/confdata.c
* ext4, jbd2: ensure panic when aborting with zero errno
fs/jbd2/checkpoint.c
fs/jbd2/journal.c
* tracing: Fix very unlikely race of registering two stat tracers
kernel/trace/trace_stat.c
* tracing: Fix tracing_stat return values in error handling paths
kernel/trace/trace_stat.c
x86/sysfb: Fix check for bad VRAM size
* jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal
fs/jbd2/journal.c
usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
sparc: Add .exit.data section.
MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
efi/x86: Map the entire EFI vendor string before copying it
pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
media: sti: bdisp: fix a possible sleep-in-atomic-context bug in bdisp_device_run()
gpio: gpio-grgpio: fix possible sleep-in-atomic-context bugs in grgpio_irq_map/unmap()
powerpc/powernv/iov: Ensure the pdn for VFs always contains a valid PE number
media: i2c: mt9v032: fix enum mbus codes and frame sizes
pxa168fb: Fix the function used to release some memory in an error handling path
pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
gianfar: Fix TX timestamping with a stacked DSA driver
brcmfmac: Fix use after free in brcmf_sdio_readframes()
* cpu/hotplug, stop_machine: Fix stop_machine vs hotplug order
kernel/cpu.c
drm/gma500: Fixup fbdev stolen size usage evaluation
Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
scsi: qla2xxx: fix a potential NULL pointer dereference
btrfs: print message when tree-log replay starts
* jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
fs/jbd2/commit.c
* jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
fs/jbd2/commit.c
fs/jbd2/transaction.c
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
perf/x86/intel: Fix inaccurate period in context switch for auto-reload
s390/time: Fix clk type in get_tod_clock
padata: Remove broken queue flushing
perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
btrfs: log message when rw remount is attempted with unclean tree-log
Btrfs: fix race between using extent maps and merging them
* ext4: improve explanation of a mount failure caused by a misconfigured kernel
fs/ext4/super.c
* ext4: fix checksum errors with indexed dirs
fs/ext4/dir.c
fs/ext4/ext4.h
fs/ext4/inode.c
fs/ext4/namei.c
* ext4: don't assume that mmp_nodename/bdevname have NUL
fs/ext4/mmp.c
* ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
sound/usb/quirks.c
* ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
fs/ecryptfs/messaging.c
* ecryptfs: fix a memory leak bug in parse_tag_1_packet()
fs/ecryptfs/keystore.c
ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
KVM: x86: emulate RDPID
x86/vdso: Use RDPID in preference to LSL when available
Merge 4.9.214 into android-4.9-q
Linux 4.9.214
libertas: make lbs_ibss_join_existing() return error code on rates overflow
libertas: don't exit from lbs_ibss_join_existing() with RCU read lock held
mwifiex: Fix possible buffer overflows in mwifiex_cmd_append_vsie_tlv()
mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status()
* dm: fix potential for q->make_request_fn NULL pointer
drivers/md/dm.c
scsi: megaraid_sas: Do not initiate OCR if controller is not in ready state
pinctrl: sh-pfc: r8a7778: Fix duplicate SDSELF_B and SD1_CLK_B
powerpc/pseries: Allow not having ibm, hypertas-functions::hcall-multi-tce for DDW
tools/power/acpi: fix compilation error
ARM: dts: at91: sama5d3: define clock rate range for tcb1
ARM: dts: at91: sama5d3: fix maximum peripheral clock rates
ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node
rtc: cmos: Stop using shared IRQ
rtc: hym8563: Return -EINVAL if the time is known to be invalid
NFSv4: try lease recovery on NFS4ERR_EXPIRED
* nfs: NFS_SWAP should depend on SWAP
fs/nfs/Kconfig
* PCI: Don't disable bridge BARs when assigning bus resources
drivers/pci/setup-bus.c
* scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails
drivers/scsi/ufs/ufshcd.c
RDMA/netlink: Do not always generate an ACK for some netlink operations
* ASoC: pcm: update FE/BE trigger order based on the command
sound/soc/soc-pcm.c
rxrpc: Fix service call disconnection
* perf/core: Fix mlock accounting in perf_mmap()
kernel/events/core.c
* clocksource: Prevent double add_timer_on() for watchdog_timer
kernel/time/clocksource.c
cifs: fail i/o on soft mounts if sessionsetup errors out
KVM: nVMX: vmread should not set rflags to specify success in case of #PF
KVM: VMX: Add non-canonical check on writes to RTIT address MSRs
KVM: x86/mmu: Apply max PA check for MMIO sptes to 32-bit KVM
btrfs: flush write bio if we loop in extent_write_cache_pages
KVM: x86: Protect pmu_intel.c from Spectre-v1/L1TF attacks
drm: atmel-hlcdc: enable clock before configuring timing engine
Btrfs: fix race between adding and putting tree mod seq elements and nodes
btrfs: remove trivial locking wrappers of tree mod log
btrfs: use bool argument in free_root_pointers()
Btrfs: fix assertion failure on fsync with NO_HOLES enabled
* ext4: fix deadlock allocating crypto bounce page from mempool
fs/ext4/page-io.c
NFS: Directory page cache pages need to be locked when read
NFS: Fix bool initialization/comparison
NFS: Fix memory leaks and corruption in readdir
NFS: switch back to to ->iterate()
* bonding/alb: properly access headers in bond_alb_xmit()
drivers/net/bonding/bond_alb.c
net: systemport: Avoid RBUF stuck in Wake-on-LAN mode
mfd: rn5t618: Mark ADC control register volatile
mfd: da9062: Fix watchdog compatible string
ubi: Fix an error pointer dereference in error handling code
ubi: fastmap: Fix inverted logic in seen selfcheck
nfsd: fix jiffies/time_t mixup in LRU list
nfsd: fix delay timer on 32-bit architectures
IB/mlx5: Fix outstanding_pi index for GSI qps
net: tulip: Adjust indentation in {dmfe, uli526x}_init_module
net: smc911x: Adjust indentation in smc911x_phy_configure
* ppp: Adjust indentation into ppp_async_input
drivers/net/ppp/ppp_async.c
NFC: pn544: Adjust indentation in pn544_hci_check_presence
powerpc/44x: Adjust indentation in ibm4xx_denali_fixup_memsize
ext2: Adjust indentation in ext2_fill_super
scsi: qla4xxx: Adjust indentation in qla4xxx_mem_free
scsi: csiostor: Adjust indentation in csio_device_reset
scsi: qla2xxx: Fix the endianness of the qla82xx_get_fw_size() return type
clk: tegra: Mark fuse clock as critical
KVM: x86: Free wbinvd_dirty_mask if vCPU creation fails
KVM: PPC: Book3S PR: Free shared page if mmu initialization fails
KVM: PPC: Book3S HV: Uninit vCPU if vcore creation fails
KVM: x86: Protect MSR-based index computations in fixed_msr_to_seg_unit() from Spectre-v1/L1TF attacks
KVM: x86: Protect x86_decode_insn from Spectre-v1/L1TF attacks
KVM: x86: Protect MSR-based index computations from Spectre-v1/L1TF attacks in x86.c
KVM: x86: Protect ioapic_read_indirect() from Spectre-v1/L1TF attacks
KVM: x86: Protect MSR-based index computations in pmu.h from Spectre-v1/L1TF attacks
KVM: x86: Protect ioapic_write_indirect() from Spectre-v1/L1TF attacks
KVM: x86: Protect kvm_hv_msr_[get|set]_crash_data() from Spectre-v1/L1TF attacks
KVM: x86: Protect kvm_lapic_reg_write() from Spectre-v1/L1TF attacks
KVM: x86: Protect DR-based index computations from Spectre-v1/L1TF attacks
KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks
sunrpc: expiry_time should be seconds not timeval
mwifiex: fix unbalanced locking in mwifiex_process_country_ie()
ARM: tegra: Enable PLLP bypass during Tegra124 LP1
btrfs: set trans->drity in btrfs_commit_transaction
crypto: picoxcell - adjust the position of tasklet_init and fix missed tasklet_kill
* crypto: api - Fix race condition in crypto_spawn_alg
crypto/algapi.c
crypto/api.c
crypto/internal.h
crypto: atmel-aes - Fix counter overflow in CTR mode
crypto: pcrypt - Do not clear MAY_SLEEP flag in original request
dm space map common: fix to ensure new block isn't already in use
* of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc
drivers/of/Kconfig
drivers/of/address.c
power: supply: ltc2941-battery-gauge: fix use-after-free
scsi: qla2xxx: Fix mtcp dump collection failure
* crypto: api - Check spawn->alg under lock in crypto_drop_spawn
crypto/algapi.c
ubifs: Fix deadlock in concurrent bulk-read and writepage
ubifs: Change gfp flags in page allocation for bulk read
PCI: keystone: Fix link training retries initiation
mmc: spi: Toggle SPI polarity, do not hardcode it
powerpc/pseries: Advance pfn if section is not present in lmb_is_removable()
lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()
media: v4l2-rect.h: fix v4l2_rect_map_inside() top/left adjustments
media/v4l2-core: set pages dirty upon releasing DMA buffers
ALSA: dummy: Fix PCM format loop in proc output
usb: gadget: f_ecm: Use atomic_t to track in-flight request
usb: gadget: f_ncm: Use atomic_t to track in-flight request
usb: gadget: legacy: set max_speed to super-speed
brcmfmac: Fix memory leak in brcmf_usbdev_qinit
mfd: dln2: More sanity checking for endpoints
media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
* tcp: clear tp->segs_{in|out} in tcp_disconnect()
net/ipv4/tcp.c
* tcp: clear tp->data_segs{in|out} in tcp_disconnect()
net/ipv4/tcp.c
* tcp: clear tp->delivered in tcp_disconnect()
net/ipv4/tcp.c
* tcp: clear tp->total_retrans in tcp_disconnect()
net/ipv4/tcp.c
rxrpc: Fix NULL pointer deref due to call->conn being cleared on disconnect
rxrpc: Fix insufficient receive notification generation
net_sched: fix an OOB access in cls_tcindex
net: hsr: fix possible NULL deref in hsr_handle_frame()
gtp: use __GFP_NOWARN to avoid memalloc warning
cls_rsvp: fix rsvp_policy
ASoC: qcom: Fix of-node refcount unbalance to link->codec_of_node
sparc32: fix struct ipc64_perm type definition
x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR
media: iguanair: fix endpoint sanity check
Merge 4.9.213 into android-4.9-q
Linux 4.9.213
btrfs: do not zero f_bavail if we have available space
* net: Fix skb->csum update in inet_proto_csum_replace16().
net/core/utils.c
l2t_seq_next should increase position index
seq_tab_next() should increase position index
net/sonic: Quiesce SONIC before re-initializing descriptor memory
net/sonic: Fix receive buffer handling
net/sonic: Use MMIO accessors
net/sonic: Add mutual exclusion for accessing shared state
net: fsl/fman: rename IF_MODE_XGMII to IF_MODE_10G
net/fsl: treat fsl,erratum-a011043
powerpc/fsl/dts: add fsl,erratum-a011043
qlcnic: Fix CPU soft lockup while collecting firmware dump
* r8152: get default setting of WOL before initializing
drivers/net/usb/r8152.c
airo: Add missing CAP_NET_ADMIN check in AIROOLDIOCTL/SIOCDEVPRIVATE
airo: Fix possible info leak in AIROOLDIOCTL/SIOCDEVPRIVATE
scsi: fnic: do not queue commands during fwreset
* vti[6]: fix packet tx through bpf_redirect()
net/ipv4/ip_vti.c
net/ipv6/ip6_vti.c
* wireless: wext: avoid gcc -O3 warning
net/wireless/wext-core.c
mac80211: Fix TKIP replay protection immediately after key setup
* wireless: fix enabling channel 12 for custom regulatory domain
net/wireless/reg.c
ixgbe: Fix calculation of queue with VFs and flow director on interface flap
ixgbevf: Remove limit of 10 entries for unicast filter list
clk: mmp2: Fix the order of timer mux parents
mac80211: mesh: restrict airtime metric to peered established plinks
soc: ti: wkup_m3_ipc: Fix race condition with rproc_boot
ARM: dts: beagle-x15-common: Model 5V0 regulator
media: si470x-i2c: Move free() past last use of 'radio'
* usb: dwc3: turn off VBUS when leaving host mode
drivers/usb/dwc3/core.c
* Bluetooth: Fix race condition in hci_release_sock()
net/bluetooth/hci_sock.c
ttyprintk: fix a potential deadlock in interrupt context issue
media: dvb-usb/dvb-usb-urb.c: initialize actlen to 0
media: gspca: zero usb_buf
media: af9005: uninitialized variable printked
media: digitv: don't continue if remote control state can't be read
reiserfs: Fix memory leak of journal device string
mm/mempolicy.c: fix out of bounds write in mpol_parse_str()
* arm64: kbuild: remove compressed images on 'make ARCH=arm64 (dist)clean'
arch/arm64/boot/Makefile
tools lib: Fix builds when glibc contains strlcpy()
iio: gyro: st_gyro: fix L3GD20H support
iio: gyro: st_gyro: inline per-sensor data
crypto: pcrypt - Fix user-after-free on module unload
* vfs: fix do_last() regression
fs/namei.c
crypto: af_alg - Use bh_lock_sock in sk_destruct
* net_sched: ematch: reject invalid TCF_EM_SIMPLE
net/sched/ematch.c
usb-storage: Disable UAS on JMicron SATA enclosure
atm: eni: fix uninitialized variable warning
* gpio: max77620: Add missing dependency on GPIOLIB_IRQCHIP
drivers/gpio/Kconfig
net: wan: sdla: Fix cast from pointer to integer of different size
drivers/net/b44: Change to non-atomic bit operations on pwol_mask
watchdog: rn5t618_wdt: fix module aliases
arc: eznps: fix allmodconfig kconfig warning
zd1211rw: fix storage endpoint lookup
rtl8xxxu: fix interface sanity check
brcmfmac: fix interface sanity check
ath9k: fix storage endpoint lookup
serial: 8250_bcm2835aux: Fix line mismatch on driver unbind
staging: vt6656: Fix false Tx excessive retries reporting.
staging: vt6656: use NULLFUCTION stack on mac80211
staging: vt6656: correct packet types for CTS protect, mode.
staging: wlan-ng: ensure error return is actually returned
staging: most: net: fix buffer overflow
USB: serial: ir-usb: fix IrLAP framing
USB: serial: ir-usb: fix link-speed handling
USB: serial: ir-usb: add missing endpoint sanity check
rsi_91x_usb: fix interface sanity check
orinoco_usb: fix interface sanity check
* ALSA: pcm: Add missing copy ops check before clearing buffer
sound/core/pcm_native.c
UPSTREAM: staging: most: net: fix buffer overflow
* UPSTREAM: ALSA: pcm: Add missing copy ops check before clearing buffer
sound/core/pcm_native.c
Merge 4.9.212 into android-4.9-q
Linux 4.9.212
net/x25: fix nonblocking connect
netfilter: ipset: use bitmap infrastructure completely
* bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
include/linux/bitmap.h
lib/bitmap.c
md: Avoid namespace collision with bitmap API
scsi: iscsi: Avoid potential deadlock in iscsi_if_rx func
bcache: silence static checker warning
libertas: Fix two buffer overflows at parsing bss descriptor
coresight: tmc-etf: Do not call smp_processor_id from preemptible
coresight: etb10: Do not call smp_processor_id from preemptible
* arm64: kpti: Whitelist Cortex-A CPUs that don't implement the CSV3 field
arch/arm64/kernel/cpufeature.c
Documentation: Document arm64 kpti control
* do_last(): fetch directory ->i_mode and ->i_uid before it's too late
fs/namei.c
tracing: xen: Ordered comparison of function pointers
scsi: RDMA/isert: Fix a recently introduced regression related to logout
hwmon: (nct7802) Fix voltage limits to wrong registers
Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register
Input: pegasus_notetaker - fix endpoint sanity check
Input: aiptek - fix endpoint sanity check
Input: gtco - fix endpoint sanity check
Input: sur40 - fix interface sanity checks
* mmc: sdhci: fix minimum clock rate for v3 controller
drivers/mmc/host/sdhci.c
mmc: tegra: fix SDR50 tuning override
ARM: 8950/1: ftrace/recordmcount: filter relocation types
Input: keyspan-remote - fix control-message timeouts
* hwmon: (core) Do not use device managed functions for memory allocations
drivers/hwmon/hwmon.c
* hwmon: (core) Fix double-free in __hwmon_device_register()
drivers/hwmon/hwmon.c
* hwmon: Deal with errors from the thermal subsystem
drivers/hwmon/hwmon.c
* hwmon: (core) Simplify sysfs attribute name allocation
drivers/hwmon/hwmon.c
hwmon: (adt7475) Make volt2reg return same reg as reg2volt input
gtp: make sure only SOCK_DGRAM UDP sockets are accepted
net: usb: lan78xx: Add .ndo_features_check
tcp_bbr: improve arithmetic division in bbr_update_bw()
* net_sched: fix datalen for ematch
net/sched/ematch.c
* net, ip_tunnel: fix namespaces move
net/ipv4/ip_tunnel.c
* net, ip6_tunnel: fix namespaces move
net/ipv6/ip6_tunnel.c
net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
firestream: fix memory leaks
can, slip: Protect tty->disc_data in write_wakeup and close with RCU
* net: phy: Keep reporting transceiver type
drivers/net/phy/phy.c
* net: ethtool: Add back transceiver type
include/uapi/linux/ethtool.h
net/core/ethtool.c
m68k: Call timer_interrupt() with interrupts disabled
IB/iser: Fix dma_nents type definition
arm64: dts: juno: Fix UART frequency
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
dmaengine: ti: edma: fix missed failure handling
* packet: fix data-race in fanout_flow_is_huge()
net/packet/af_packet.c
* net: neigh: use long type to store jiffies delta
net/core/neighbour.c
MIPS: Loongson: Fix return value of loongson_hwmon_init
media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
media: ov6650: Fix some format attributes not under control
media: ov6650: Fix incorrect use of JPEG colorspace
afs: Fix large file support
net: qca_spi: Move reset_count to struct qcaspi
* net: netem: correct the parent's backlog when corrupted packet was dropped
net/sched/sch_netem.c
* net: netem: fix error path for corrupted GSO frames
net/sched/sch_netem.c
dmaengine: imx-sdma: fix size check for sdma script_number
drm/msm/dsi: Implement reset correctly
* act_mirred: Fix mirred_init_module error handling
net/sched/act_mirred.c
net: stmmac: fix length of PTP clock's name string
llc: fix sk_buff refcounting in llc_conn_state_process()
llc: fix another potential sk_buff leak in llc_ui_sendmsg()
mac80211: accept deauth frames in IBSS mode
net: stmmac: gmac4+: Not all Unicast addresses may be available
nvme: retain split access workaround for capability reads
net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
* of: mdio: Fix a signedness bug in of_phy_get_and_connect()
drivers/of/of_mdio.c
net: stmmac: dwmac-meson8b: Fix signedness bug in probe
net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()
net: hisilicon: Fix signedness bug in hix5hd2_dev_probe()
iommu/amd: Wait for completion of IOTLB flush in attach_device
net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
net: sonic: replace dev_kfree_skb in sonic_send_packet
hwmon: (shtc1) fix shtc1 and shtw1 id mask
Btrfs: fix hang when loading existing inode cache off disk
net: sonic: return NETDEV_TX_OK if failed to map buffer
ath9k: dynack: fix possible deadlock in ath_dynack_node_{de}init
iio: dac: ad5380: fix incorrect assignment to val
bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA
staging: greybus: light: fix a couple double frees
x86, perf: Fix the dependency of the x86 insn decoder selftest
* power: supply: Init device wakeup after device_add()
drivers/power/supply/power_supply_core.c
hwmon: (lm75) Fix write operations for negative temperatures
* Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
lib/kfifo.c
ahci: Do not export local variable ahci_em_messages
mips: avoid explicit UB in assignment of mips_io_port_base
mac80211: minstrel_ht: fix per-group max throughput rate initialization
dmaengine: dw: platform: Switch to acpi_dma_controller_register()
ASoC: sun4i-i2s: RX and TX counter registers are swapped
* signal: Allow cifs and drbd to receive their terminating signals
include/linux/signal.h
kernel/signal.c
ASoC: wm8737: Fix copy-paste error in wm8737_snd_controls
ASoC: cs4349: Use PM ops 'cs4349_runtime_pm'
ASoC: es8328: Fix copy-paste error in es8328_right_line_controls
* ext4: set error return correctly when ext4_htree_store_dirent fails
fs/ext4/inline.c
crypto: caam - free resources in case caam_rng registration failed
cifs: fix rmmod regression in cifs.ko caused by force_sig changes
net/mlx5: Fix mlx5_ifc_query_lag_out_bits
ALSA: aoa: onyx: always initialize register read value
x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
mic: avoid statically declaring a 'struct device'.
* usb: host: xhci-hub: fix extra endianness conversion
drivers/usb/host/xhci-hub.c
qed: reduce maximum stack frame size
libertas_tf: Use correct channel range in lbtf_geo_init
scsi: libfc: fix null pointer dereference on a null lport
net: pasemi: fix an use-after-free in pasemi_mac_phy_init()
RDMA/hns: Fixs hw access invalid dma memory error
* devres: allow const resource arguments
include/linux/device.h
lib/devres.c
rxrpc: Fix uninitialized error code in rxrpc_send_data_packet()
mfd: intel-lpss: Release IDA resources
iommu/amd: Make iommu_disable safer
clk: qcom: Fix -Wunused-const-variable
dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
* perf/ioctl: Add check for the sample_period value
kernel/events/core.c
drm/msm/a3xx: remove TPL1 regs from snapshot
rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
ASoC: ti: davinci-mcasp: Fix slot mask settings when using multiple AXRs
net/af_iucv: always register net_device notifier
* net: netem: fix backlog accounting for corrupted GSO frames
net/sched/sch_netem.c
drm/msm/mdp5: Fix mdp5_cfg_init error return
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
media: vivid: fix incorrect assignment operation when setting video mode
* inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
net/ipv6/reassembly.c
signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig
* iommu: Use right function to get group for device
drivers/iommu/iommu.c
misc: sgi-xp: Properly initialize buf in xpc_get_rsvd_page_pa
serial: stm32: fix transmit_chars when tx is stopped
crypto: ccp - fix AES CFB error exposed by new test vectors
spi: spi-fsl-spi: call spi_finalize_current_message() at the end
dmaengine: tegra210-adma: Fix crash during probe
* thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
drivers/thermal/cpu_cooling.c
backlight: lm3630a: Return 0 on success in update_status functions
* kdb: do a sanity check on the cpu in kdb_per_cpu()
kernel/debug/kdb/kdb_main.c
ARM: riscpc: fix lack of keyboard interrupts after irq conversion
pwm: meson: Don't disable PWM when setting duty repeatedly
* netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
net/bridge/netfilter/ebtables.c
platform/x86: alienware-wmi: printing the wrong error code
media: davinci/vpbe: array underflow in vpbe_enum_outputs()
media: omap_vout: potential buffer overflow in vidioc_dqbuf()
* l2tp: Fix possible NULL pointer dereference
net/l2tp/l2tp_core.c
dmaengine: tegra210-adma: restore channel status
net: ena: fix ena_com_fill_hash_function() implementation
net: ena: fix incorrect test of supported hash function
net: ena: fix: Free napi resources when ena_up() fails
net: ena: fix swapped parameters when calling ena_com_indirect_table_fill_entry
iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
IB/mlx5: Add missing XRC options to QP optional params mask
* usb: gadget: fsl: fix link error against usb-gadget module
drivers/usb/phy/Kconfig
* ASoC: fix valid stream condition
sound/soc/soc-pcm.c
* packet: in recvmsg msg_name return at least sizeof sockaddr_ll
net/packet/af_packet.c
* ALSA: usb-audio: Handle the error from snd_usb_mixer_apply_create_quirk()
sound/usb/mixer.c
dmaengine: axi-dmac: Don't check the number of frames for alignment
6lowpan: Off by one handling ->nexthdr
media: ov2659: fix unbalanced mutex_lock/unlock
ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
powerpc: vdso: Make vdso32 installation conditional in vdso_install
tipc: set sysctl_tipc_rmem and named_timeout right range
hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
ARM: pxa: ssp: Fix "WARNING: invalid free of devm_ allocated data"
scsi: qla2xxx: Unregister chrdev if module initialization fails
ehea: Fix a copy-paste err in ehea_init_port_res
spi: bcm2835aux: fix driver to not allow 65535 (=-1) cs-gpios
soc/fsl/qe: Fix an error code in qe_pin_request()
spi: tegra114: fix for unpacked mode transfers
spi: tegra114: clear packed bit for unpacked mode
media: tw5864: Fix possible NULL pointer dereference in tw5864_handle_frame
media: davinci-isif: avoid uninitialized variable use
ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
m68k: mac: Fix VIA timer counter accesses
tipc: tipc clang warning
jfs: fix bogus variable self-initialization
regulator: tps65086: Fix tps65086_ldoa1_ranges for selector 0xB
media: cx23885: check allocation return
media: wl128x: Fix an error code in fm_download_firmware()
media: cx18: update *pos correctly in cx18_read_pos()
media: ivtv: update *pos correctly in ivtv_read_pos()
net: sh_eth: fix a missing check of of_get_phy_mode
xen, cpu_hotplug: Prevent an out of bounds access
drivers/rapidio/rio_cm.c: fix potential oops in riocm_ch_listen()
scsi: megaraid_sas: reduce module load time
nios2: ksyms: Add missing symbol exports
regulator: wm831x-dcdc: Fix list of wm831x_dcdc_ilim from mA to uA
ARM: 8848/1: virt: Align GIC version check with arm64 counterpart
ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
mmc: sdhci-brcmstb: handle mmc_of_parse() errors during probe
clocksource/drivers/exynos_mct: Fix error path in timer resources initialization
clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
NFS: Fix a soft lockup in the delegation recovery code
fs/nfs: Fix nfs_parse_devname to not modify it's argument
ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()
drm/nouveau/pmu: don't print reply values if exec is false
drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
net: dsa: qca8k: Enable delay for RGMII_ID mode
regulator: pv88090: Fix array out-of-bounds access
regulator: pv88080: Fix array out-of-bounds access
regulator: pv88060: Fix array out-of-bounds access
cdc-wdm: pass return value of recover_from_urb_loss
dmaengine: mv_xor: Use correct device for DMA API
vfio_pci: Enable memory accesses before calling pci_map_rom
* keys: Timestamp new keys
security/keys/key.c
* block: don't use bio->bi_vcnt to figure out segment number
block/blk-merge.c
usb: phy: twl6030-usb: fix possible use-after-free on remove
pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
pinctrl: sh-pfc: r8a7792: Fix vin1_data18_b pin group
pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
pinctrl: sh-pfc: emev2: Add missing pinmux functions
iw_cxgb4: use tos when finding ipv6 routes
iw_cxgb4: use tos when importing the endpoint
fbdev: chipsfb: remove set but not used variable 'size'
rtc: pm8xxx: fix unintended sign extension
rtc: 88pm80x: fix unintended sign extension
rtc: 88pm860x: fix unintended sign extension
* net: phy: fixed_phy: Fix fixed_phy not checking GPIO
drivers/net/phy/fixed_phy.c
thermal: mediatek: fix register index error
rtc: ds1672: fix unintended sign extension
staging: most: cdev: add missing check for cdev_add failure
iwlwifi: mvm: fix RSS config command
ARM: dts: lpc32xx: phy3250: fix SD card regulator voltage
ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller clocks property
ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller variant
ARM: dts: lpc32xx: reparent keypad controller to SIC1
ARM: dts: lpc32xx: add required clocks property to keypad device node
crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments
tty: ipwireless: Fix potential NULL pointer dereference
iwlwifi: mvm: fix A-MPDU reference assignment
clk: sunxi-ng: sun8i-a23: Enable PLL-MIPI LDOs when ungating it
rtc: cmos: ignore bogus century byte
IB/iser: Pass the correct number of entries for dma mapped SGL
ASoC: imx-sgtl5000: put of nodes if finding codec fails
crypto: tgr192 - fix unaligned memory access
media: s5p-jpeg: Correct step and max values for V4L2_CID_JPEG_RESTART_INTERVAL
drm/etnaviv: NULL vs IS_ERR() buf in etnaviv_core_dump()
arm64: dts: apq8016-sbc: Increase load on l11 for SDCARD
RDMA/qedr: Fix out of bounds index check in query pkey
RDMA/ocrdma: Fix out of bounds index check in query pkey
IB/usnic: Fix out of bounds index check in query pkey
clk: dove: fix refcount leak in dove_clk_init()
clk: armada-xp: fix refcount leak in axp_clk_init()
clk: kirkwood: fix refcount leak in kirkwood_clk_init()
clk: armada-370: fix refcount leak in a370_clk_init()
clk: vf610: fix refcount leak in vf610_clocks_init()
clk: imx7d: fix refcount leak in imx7d_clocks_init()
clk: imx6sx: fix refcount leak in imx6sx_clocks_init()
clk: imx6q: fix refcount leak in imx6q_clocks_init()
clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
clk: socfpga: fix refcount leak
clk: qoriq: fix refcount leak in clockgen_init()
clk: highbank: fix refcount leak in hb_clk_init()
Input: nomadik-ske-keypad - fix a loop timeout test
pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value
pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field
pinctrl: sh-pfc: sh7734: Add missing IPSR11 field
pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field
pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group
pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group
pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group
pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group
pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group
* net: phy: Fix not to call phy_resume() if PHY is not attached
drivers/net/phy/phy_device.c
* drm/dp_mst: Skip validating ports during destruction, just ref
drivers/gpu/drm/drm_dp_mst_topology.c
exportfs: fix 'passing zero to ERR_PTR()' warning
pcrypt: use format specifier in kobject_add
mlxsw: reg: QEEC: Add minimum shaper fields
pwm: lpss: Release runtime-pm reference from the driver's remove callback
staging: comedi: ni_mio_common: protect register write overflow
* ALSA: usb-audio: update quirk for B&W PX to remove microphone
sound/usb/quirks-table.h
IB/rxe: replace kvfree with vfree
ALSA: hda: fix unused variable warning
drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset()
drm/sti: do not remove the drm_bridge that was never added
mt7601u: fix bbp version check in mt7601u_wait_bbp_ready
powerpc/archrandom: fix arch_get_random_seed_int()
xfs: Sanity check flags of Q_XQUOTARM call
* UPSTREAM: mm/page_io.c: annotate refault stalls from swap_readpage
mm/page_io.c
* ANDROID: selinux: modify RTM_GETLINK permission
security/selinux/include/classmap.h
security/selinux/include/security.h
security/selinux/nlmsgtab.c
security/selinux/ss/policydb.c
security/selinux/ss/policydb.h
security/selinux/ss/services.c
Merge 4.9.211 into android-4.9-q
Linux 4.9.211
regulator: ab8500: Remove SYSCLKREQ from enum ab8505_regulator_id
perf probe: Fix wrong address verification
* scsi: core: scsi_trace: Use get_unaligned_be*()
drivers/scsi/scsi_trace.c
scsi: target: core: Fix a pr_debug() argument
scsi: bnx2i: fix potential use after free
scsi: qla4xxx: fix double free bug
scsi: esas2r: unlock on error in esas2r_nvram_read_direct()
reiserfs: fix handling of -EOPNOTSUPP in reiserfs_for_each_xattr
* cfg80211: check for set_wiphy_params
net/wireless/rdev-ops.h
cw1200: Fix a signedness bug in cw1200_load_firmware()
xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk
net: usb: lan78xx: limit size of local TSO packets
* tcp: fix marked lost packets not being retransmitted
net/ipv4/tcp_input.c
* r8152: add missing endpoint sanity check
drivers/net/usb/r8152.c
net/wan/fsl_ucc_hdlc: fix out of bounds write on array utdm_info
net: dsa: tag_qca: fix doubled Tx statistics
macvlan: use skb_reset_mac_header() in macvlan_queue_xmit()
batman-adv: Fix DAT candidate selection on little endian systems
* netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct
net/ipv4/netfilter/arp_tables.c
netfilter: fix a use-after-free in mtype_destroy()
* cfg80211: fix page refcount issue in A-MSDU decap
net/wireless/util.c
arm64: dts: agilex/stratix10: fix pmu interrupt numbers
scsi: fnic: fix invalid stack access
scsi: fnic: use kernel's '%pM' format option to print MAC
USB: serial: keyspan: handle unbound ports
USB: serial: io_edgeport: handle unbound ports on URB completion
USB: serial: io_edgeport: use irqsave() in USB's complete callback
net: stmmac: Enable 16KB buffer size
net: stmmac: 16KB buffer must be 16 byte aligned
* mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio()
mm/page-writeback.c
perf report: Fix incorrectly added dimensions as switch perf data file
perf hists: Fix variable name's inconsistency in hists__for_each() macro
x86/efistub: Disable paging at mixed mode entry
* usb: core: hub: Improved device recognition on remote wakeup
drivers/usb/core/hub.c
scsi: mptfusion: Fix double fetch bug in ioctl
USB: serial: quatech2: handle unbound ports
USB: serial: io_edgeport: add missing active-port sanity check
USB: serial: ch341: handle unbound port at reset_resume
USB: serial: suppress driver bind attributes
USB: serial: opticon: fix control-message timeouts
USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx
iio: buffer: align the size of scan bytes to size of the largest element
* block: fix an integer overflow in logical block size
block/blk-settings.c
include/linux/blkdev.h
* Fix built-in early-load Intel microcode alignment
firmware/Makefile
ALSA: seq: Fix racy access for queue timer in proc read
* clk: Don't try to enable critical clocks if prepare failed
drivers/clk/clk.c
dt-bindings: reset: meson8b: fix duplicate reset IDs
ocfs2: call journal flush to mark journal as empty after journal recovery when mount
hexagon: work around compiler crash
hexagon: parenthesize registers in asm predicates
ioat: ioat_alloc_ring() failure handling.
MIPS: Prevent link failure with kcov instrumentation
rseq/selftests: Turn off timeout setting
scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
gpio: mpc8xxx: Add platform device to gpiochip->parent
rtc: msm6242: Fix reading of 10-hour digit
* f2fs: fix potential overflow
fs/f2fs/data.c
fs/f2fs/file.c
rtlwifi: Remove unnecessary NULL check in rtl_regd_init
spi: atmel: fix handling of cs_change set on non-last xfer
mtd: spi-nor: fix silent truncation in spi_nor_read()
media: exynos4-is: Fix recursive locking in isp_video_release()
tty: serial: pch_uart: correct usage of dma_unmap_sg
tty: serial: imx: use the sg count from dma_map_sg
powerpc/powernv: Disable native PCIe port management
PCI/PTM: Remove spurious "d" from granularity message
* compat_ioctl: handle SIOCOUTQNSD
net/socket.c
clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume
mei: fix modalias documentation
iio: imu: adis16480: assign bias value only if operation succeeded
platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
* scsi: sd: Clear sdkp->protection_type if disk is reformatted without PI
drivers/scsi/sd.c
scsi: enclosure: Fix stale device oops with hot replug
RDMA/srpt: Report the SCSI residual to the initiator
cifs: Adjust indentation in smb2_open_file
hsr: reset network header when supervision frame is created
* gpio: Fix error message on out-of-range GPIO in lookup table
drivers/gpio/gpiolib.c
* iommu: Remove device link to group on failure
drivers/iommu/iommu.c
rtc: mt6397: fix alarm register overwrite
dccp: Fix memleak in __feat_register_sp
* ext4: add more paranoia checking in ext4_expand_extra_isize handling
fs/ext4/inode.c
fs/ext4/super.c
* ext4: fix use-after-free race with debug_want_extra_isize
fs/ext4/super.c
wimax: i2400: Fix memory leak in i2400m_op_rfkill_sw_toggle
wimax: i2400: fix memory leak
media: usb:zr364xx:Fix KASAN:null-ptr-deref Read in zr364xx_vidioc_querycap
mac80211: Do not send Layer 2 Update frame before authorization
* cfg80211/mac80211: make ieee80211_send_layer2_update a public function
include/net/cfg80211.h
net/wireless/util.c
* arm64: Make sure permission updates happen for pmd/pud
arch/arm64/mm/mmu.c
* arm64: Enforce BBM for huge IO/VMAP mappings
arch/arm64/mm/mmu.c
* arm64: mm: Change page table pointer name in p[md]_set_huge()
arch/arm64/mm/mmu.c
* arm64: don't open code page table entry creation
arch/arm64/include/asm/pgtable.h
arch/arm64/mm/mmu.c
* arm64: mm: BUG on unsupported manipulations of live kernel mappings
arch/arm64/mm/mmu.c
rsi: add fix for crash during assertions
* fs/select: avoid clang stack usage warning
include/linux/poll.h
* ethtool: reduce stack usage with clang
net/core/ethtool.c
* HID: hidraw, uhid: Always report EPOLLOUT
drivers/hid/uhid.c
HID: hidraw: Fix returning EPOLLOUT from hidraw_poll
hidraw: Return EPOLLOUT from hidraw_poll
Change-Id: I65d36338fa1ba89ad6ec2ff878fb4c89ff79b0be
Signed-off-by: lucaswei <lucaswei@google.com>
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Changes in 4.9.217
NFS: Remove superfluous kmap in nfs_readdir_xdr_to_array
phy: Revert toggling reset changes.
net: phy: Avoid multiple suspends
cgroup, netclassid: periodically release file_lock on classid updating
gre: fix uninit-value in __iptunnel_pull_header
ipv6/addrconf: call ipv6_mc_up() for non-Ethernet interface
net: macsec: update SCI upon MAC address change.
net: nfc: fix bounds checking bugs on "pipe"
r8152: check disconnect status after long sleep
bnxt_en: reinitialize IRQs when MTU is modified
fib: add missing attribute validation for tun_id
nl802154: add missing attribute validation
nl802154: add missing attribute validation for dev_type
macsec: add missing attribute validation for port
net: fq: add missing attribute validation for orphan mask
team: add missing attribute validation for port ifindex
team: add missing attribute validation for array index
nfc: add missing attribute validation for SE API
nfc: add missing attribute validation for vendor subcommand
ipvlan: add cond_resched_rcu() while processing muticast backlog
ipvlan: do not add hardware address of master to its unicast filter list
ipvlan: egress mcast packets are not exceptional
ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()
ipvlan: don't deref eth hdr before checking it's set
macvlan: add cond_resched() during multicast processing
net: fec: validate the new settings in fec_enet_set_coalesce()
slip: make slhc_compress() more robust against malicious packets
bonding/alb: make sure arp header is pulled before accessing it
cgroup: memcg: net: do not associate sock with unrelated cgroup
net: phy: fix MDIO bus PM PHY resuming
virtio-blk: fix hw_queue stopped on arbitrary error
iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
workqueue: don't use wq_select_unbound_cpu() for bound works
drm/amd/display: remove duplicated assignment to grph_obj_type
cifs_atomic_open(): fix double-put on late allocation failure
gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache
KVM: x86: clear stale x86_emulate_ctxt->intercept value
ARC: define __ALIGN_STR and __ALIGN symbols for ARC
efi: Fix a race and a buffer overflow while reading efivars via sysfs
iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
nl80211: add missing attribute validation for critical protocol indication
nl80211: add missing attribute validation for beacon report scanning
nl80211: add missing attribute validation for channel switch
netfilter: cthelper: add missing attribute validation for cthelper
mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame()
iommu/vt-d: Fix the wrong printing in RHSA parsing
iommu/vt-d: Ignore devices with out-of-spec domain number
ipv6: restrict IPV6_ADDRFORM operation
efi: Add a sanity check to efivar_store_raw()
batman-adv: Fix double free during fragment merge error
batman-adv: Fix transmission of final, 16th fragment
batman-adv: Initialize gw sel_class via batadv_algo
batman-adv: Fix rx packet/bytes stats on local ARP reply
batman-adv: Use default throughput value on cfg80211 error
batman-adv: Accept only filled wifi station info
batman-adv: fix TT sync flag inconsistencies
batman-adv: Avoid spurious warnings from bat_v neigh_cmp implementation
batman-adv: Always initialize fragment header priority
batman-adv: Fix check of retrieved orig_gw in batadv_v_gw_is_eligible
batman-adv: Fix lock for ogm cnt access in batadv_iv_ogm_calc_tq
batman-adv: Fix internal interface indices types
batman-adv: Avoid race in TT TVLV allocator helper
batman-adv: Fix TT sync flags for intermediate TT responses
batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs
batman-adv: Fix debugfs path for renamed hardif
batman-adv: Fix debugfs path for renamed softif
batman-adv: Avoid storing non-TT-sync flags on singular entries too
batman-adv: Fix multicast TT issues with bogus ROAM flags
batman-adv: Prevent duplicated gateway_node entry
batman-adv: Fix duplicated OGMs on NETDEV_UP
batman-adv: Avoid free/alloc race when handling OGM2 buffer
batman-adv: Avoid free/alloc race when handling OGM buffer
batman-adv: Don't schedule OGM for disabled interface
batman-adv: update data pointers after skb_cow()
batman-adv: Avoid probe ELP information leak
batman-adv: Use explicit tvlv padding for ELP packets
perf/amd/uncore: Replace manual sampling check with CAP_NO_INTERRUPT flag
ACPI: watchdog: Allow disabling WDAT at boot
HID: apple: Add support for recent firmware on Magic Keyboards
HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
cfg80211: check reg_rule for NULL in handle_channel_custom()
net: ks8851-ml: Fix IRQ handling and locking
mac80211: rx: avoid RCU list traversal under mutex
signal: avoid double atomic counter increments for user accounting
jbd2: fix data races at struct journal_head
ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
ARM: 8958/1: rename missed uaccess .fixup section
mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
ipv4: ensure rcu_read_lock() in cipso_v4_error()
Linux 4.9.217
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia7aeed273cd7548dc8d0dfaaad8b96bedfe499b1
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commit d9a9f4849fe0c9d560851ab22a85a666cddfdd24 upstream.
several iterations of ->atomic_open() calling conventions ago, we
used to need fput() if ->atomic_open() failed at some point after
successful finish_open(). Now (since 2016) it's not needed -
struct file carries enough state to make fput() work regardless
of the point in struct file lifecycle and discarding it on
failure exits in open() got unified. Unfortunately, I'd missed
the fact that we had an instance of ->atomic_open() (cifs one)
that used to need that fput(), as well as the stale comment in
finish_open() demanding such late failure handling. Trivially
fixed...
Fixes: fe9ec8291fca "do_last(): take fput() on error after opening to out:"
Cc: stable@kernel.org # v4.7+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: set pin_file under CAP_SYS_ADMIN
f2fs: fix to avoid deadlock in f2fs_read_inline_dir()
f2fs: fix to adapt small inline xattr space in __find_inline_xattr()
f2fs: fix to do sanity check with inode.i_inline_xattr_size
f2fs: give some messages for inline_xattr_size
f2fs: don't trigger read IO for beyond EOF page
f2fs: fix to add refcount once page is tagged PG_private
f2fs: remove wrong comment in f2fs_invalidate_page()
f2fs: fix to use kvfree instead of kzfree
f2fs: print more parameters in trace_f2fs_map_blocks
f2fs: trace f2fs_ioc_shutdown
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to dirty inode for i_mode recovery
f2fs: give random value to i_generation
f2fs: no need to take page lock in readdir
f2fs: fix to update iostat correctly in IPU path
f2fs: fix encrypted page memory leak
f2fs: make fault injection covering __submit_flush_wait()
f2fs: fix to retry fill_super only if recovery failed
f2fs: silence VM_WARN_ON_ONCE in mempool_alloc
f2fs: correct spelling mistake
f2fs: fix wrong #endif
f2fs: don't clear CP_QUOTA_NEED_FSCK_FLAG
f2fs: don't allow negative ->write_io_size_bits
f2fs: fix to check inline_xattr_size boundary correctly
Revert "f2fs: fix to avoid deadlock of atomic file operations"
Revert "f2fs: fix to check inline_xattr_size boundary correctly"
f2fs: do not use mutex lock in atomic context
f2fs: fix potential data inconsistence of checkpoint
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to check inline_xattr_size boundary correctly
f2fs: jump to label 'free_node_inode' when failing from d_make_root()
f2fs: fix to document inline_xattr_size option
f2fs: fix to data block override node segment by mistake
f2fs: fix typos in code comments
f2fs: use xattr_prefix to wrap up
f2fs: sync filesystem after roll-forward recovery
fs: export evict_inodes
f2fs: flush quota blocks after turnning it off
f2fs: avoid null pointer exception in dcc_info
f2fs: don't wake up too frequently, if there is lots of IOs
f2fs: try to keep CP_TRIMMED_FLAG after successful umount
f2fs: add quick mode of checkpoint=disable for QA
f2fs: run discard jobs when put_super
f2fs: fix to set sbi dirty correctly
f2fs: UBSAN: set boolean value iostat_enable correctly
f2fs: add brackets for macros
f2fs: check if file namelen exceeds max value
f2fs: fix to trigger fsck if dirent.name_len is zero
f2fs: no need to check return value of debugfs_create functions
f2fs: export FS_NOCOW_FL flag to user
f2fs: check inject_rate validity during configuring
f2fs: remove set but not used variable 'err'
f2fs: fix compile warnings: 'struct *' declared inside parameter list
f2fs: change error code to -ENOMEM from -EINVAL
Change-Id: I25bc1bcf41e7ddef513f180da52fe18a1ebe4245
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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We missed to add document for inline_xattr_size mount option in f2fs.txt,
add it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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By default, all access to the upper, lower and work directories is the
recorded mounter's MAC and DAC credentials. The incoming accesses are
checked against the caller's credentials.
If the principles of least privilege are applied, the mounter's
credentials might not overlap the credentials of the caller's when
accessing the overlayfs filesystem. For example, a file that a lower
DAC privileged caller can execute, is MAC denied to the generally
higher DAC privileged mounter, to prevent an attack vector.
We add the option to turn off override_creds in the mount options; all
subsequent operations after mount on the filesystem will be only the
caller's credentials. The module boolean parameter and mount option
override_creds is also added as a presence check for this "feature",
existence of /sys/module/overlay/parameters/override_creds.
It was not always this way. Circa 4.6 there was no recorded mounter's
credentials, instead privileged access to upper or work directories
were temporarily increased to perform the operations. The MAC
(selinux) policies were caller's in all cases. override_creds=off
partially returns us to this older access model minus the insecure
temporary credential increases. This is to permit use in a system
with non-overlapping security models for each executable including
the agent that mounts the overlayfs filesystem. In Android
this is the case since init, which performs the mount operations,
has a minimal MAC set of privileges to reduce any attack surface,
and services that use the content have a different set of MAC
privileges (eg: read, for vendor labelled configuration, execute for
vendor libraries and modules). The caveats are not a problem in
the Android usage model, however they should be fixed for
completeness and for general use in time.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: linux-unionfs@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com
---
v9:
- Add to the caveats
v8:
- drop pr_warn message after straw poll to remove it.
- added a use case in the commit message
v7:
- change name of internal parameter to ovl_override_creds_def
- report override_creds only if different than default
v6:
- Drop CONFIG_OVERLAY_FS_OVERRIDE_CREDS.
- Do better with the documentation.
- pr_warn message adjusted to report consequences.
v5:
- beefed up the caveats in the Documentation
- Is dependent on
"overlayfs: check CAP_DAC_READ_SEARCH before issuing exportfs_decode_fh"
"overlayfs: check CAP_MKNOD before issuing vfs_whiteout"
- Added prwarn when override_creds=off
v4:
- spelling and grammar errors in text
v3:
- Change name from caller_credentials / creator_credentials to the
boolean override_creds.
- Changed from creator to mounter credentials.
- Updated and fortified the documentation.
- Added CONFIG_OVERLAY_FS_OVERRIDE_CREDS
v2:
- Forward port changed attr to stat, resulting in a build error.
- altered commit message.
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
(cherry picked from https://lore.kernel.org/patchwork/patch/1009299)
Bug: 109821005
Bug: 112955896
Bug: 127298877
Change-Id: I1d99298ec5e71174734481be3497763c6b9d42e1
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Revert "FROMLIST: BACKPORT: overlayfs: override_creds=off option bypass creator_cred"
This reverts commit 3bc419d8deb2e3d76af538c2f0994676cb59e741.
Reason for revert: <INSERT REASONING HERE>
Change-Id: I44312d18aeb84ace19f7d27ec3bcb219183d95fa
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By default, all access to the upper, lower and work directories is the
recorded mounter's MAC and DAC credentials. The incoming accesses are
checked against the caller's credentials.
If the principles of least privilege are applied, the mounter's
credentials might not overlap the credentials of the caller's when
accessing the overlayfs filesystem. For example, a file that a lower
DAC privileged caller can execute, is MAC denied to the generally
higher DAC privileged mounter, to prevent an attack vector.
We add the option to turn off override_creds in the mount options; all
subsequent operations after mount on the filesystem will be only the
caller's credentials. The module boolean parameter and mount option
override_creds is also added as a presence check for this "feature",
existence of /sys/module/overlay/parameters/override_creds.
It was not always this way. Circa 4.6 there was no recorded mounter's
credentials, instead privileged access to upper or work directories
were temporarily increased to perform the operations. The MAC
(selinux) policies were caller's in all cases. override_creds=off
partially returns us to this older access model minus the insecure
temporary credential increases. This is to permit use in a system
with non-overlapping security models for each executable including
the agent that mounts the overlayfs filesystem. In Android
this is the case since init, which performs the mount operations,
has a minimal MAC set of privileges to reduce any attack surface,
and services that use the content have a different set of MAC
privileges (eg: read, for vendor labelled configuration, execute for
vendor libraries and modules). The caveats are not a problem in
the Android usage model, however they should be fixed for
completeness and for general use in time.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: linux-unionfs@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com
---
v9:
- Add to the caveats
v8:
- drop pr_warn message after straw poll to remove it.
- added a use case in the commit message
v7:
- change name of internal parameter to ovl_override_creds_def
- report override_creds only if different than default
v6:
- Drop CONFIG_OVERLAY_FS_OVERRIDE_CREDS.
- Do better with the documentation.
- pr_warn message adjusted to report consequences.
v5:
- beefed up the caveats in the Documentation
- Is dependent on
"overlayfs: check CAP_DAC_READ_SEARCH before issuing exportfs_decode_fh"
"overlayfs: check CAP_MKNOD before issuing vfs_whiteout"
- Added prwarn when override_creds=off
v4:
- spelling and grammar errors in text
v3:
- Change name from caller_credentials / creator_credentials to the
boolean override_creds.
- Changed from creator to mounter credentials.
- Updated and fortified the documentation.
- Added CONFIG_OVERLAY_FS_OVERRIDE_CREDS
v2:
- Forward port changed attr to stat, resulting in a build error.
- altered commit message.
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
(cherry picked from https://lore.kernel.org/patchwork/patch/1009299)
Bug: 109821005
Bug: 112955896
Change-Id: Ie43b0c7dfd64f4cfc27dfe5e1622ea01f3b000cf
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android-4.9
Fix build errors.
* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: use EINVAL for superblock with invalid magic
f2fs: fix to read source block before invalidating it
f2fs: remove redundant check from f2fs_setflags_common()
f2fs: use generic checking and prep function for FS_IOC_SETFLAGS
vfs: use READ_ONCE() to access ->i_link
fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
fscrypt: cache decrypted symlink target in ->i_link
fscrypt: fix race where ->lookup() marks plaintext dentry as ciphertext
ext4: remove unused d_name argument from ext4_search_dir() et al.
fscrypt: only set dentry_operations on ciphertext dentries
fscrypt: fix race allowing rename() and link() of ciphertext dentries
fscrypt: clean up and improve dentry revalidation
fscrypt: use READ_ONCE() to access ->i_crypt_info
fscrypt: remove WARN_ON_ONCE() when decryption fails
fscrypt: drop inode argument from fscrypt_get_ctx()
f2fs: improve print log in f2fs_sanity_check_ckpt()
f2fs: avoid out-of-range memory access
f2fs: fix to avoid long latency during umount
f2fs: allow all the users to pin a file
f2fs: support swap file w/ DIO
f2fs: allocate blocks for pinned file
f2fs: fix is_idle() check for discard type
f2fs: add a rw_sem to cover quota flag changes
f2fs: set SBI_NEED_FSCK for xattr corruption case
f2fs: use generic EFSBADCRC/EFSCORRUPTED
f2fs: Use DIV_ROUND_UP() instead of open-coding
f2fs: print kernel message if filesystem is inconsistent
f2fs: introduce f2fs_<level> macros to wrap f2fs_printk()
f2fs: avoid get_valid_blocks() for cleanup
f2fs: ioctl for removing a range from F2FS
f2fs: only set project inherit bit for directory
f2fs: separate f2fs i_flags from fs_flags and ext4 i_flags
f2fs: Add option to limit required GC for checkpoint=disable
f2fs: Fix accounting for unusable blocks
f2fs: Fix root reserved on remount
f2fs: Lower threshold for disable_cp_again
f2fs: fix sparse warning
f2fs: fix f2fs_show_options to show nodiscard mount option
f2fs: add error prints for debugging mount failure
f2fs: fix to do sanity check on segment bitmap of LFS curseg
f2fs: add missing sysfs entries in documentation
f2fs: fix to avoid deadloop if data_flush is on
f2fs: always assume that the device is idle under gc_urgent
f2fs: add bio cache for IPU
f2fs: allow ssr block allocation during checkpoint=disable period
f2fs: fix to check layout on last valid checkpoint park
Change-Id: I7ec07950386e32e3955b6a8192804b7d3174fd18
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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In order to have a common code base for fscrypt "post read" processing
for all filesystems which support encryption, this commit removes
filesystem specific build config option (e.g. CONFIG_EXT4_FS_ENCRYPTION)
and replaces it with a build option (i.e. CONFIG_FS_ENCRYPTION) whose
value affects all the filesystems making use of fscrypt.
Change-Id: If3c1effb67f36c8656f87d3a8135be04eff10a0a
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
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Currently, trying to rename or link a regular file, directory, or
symlink into an encrypted directory fails with EPERM when the source
file is unencrypted or is encrypted with a different encryption policy,
and is on the same mountpoint. It is correct for the operation to fail,
but the choice of EPERM breaks tools like 'mv' that know to copy rather
than rename if they see EXDEV, but don't know what to do with EPERM.
Our original motivation for EPERM was to encourage users to securely
handle their data. Encrypting files by "moving" them into an encrypted
directory can be insecure because the unencrypted data may remain in
free space on disk, where it can later be recovered by an attacker.
It's much better to encrypt the data from the start, or at least try to
securely delete the source data e.g. using the 'shred' program.
However, the current behavior hasn't been effective at achieving its
goal because users tend to be confused, hack around it, and complain;
see e.g. https://github.com/google/fscrypt/issues/76. And in some cases
it's actually inconsistent or unnecessary. For example, 'mv'-ing files
between differently encrypted directories doesn't work even in cases
where it can be secure, such as when in userspace the same passphrase
protects both directories. Yet, you *can* already 'mv' unencrypted
files into an encrypted directory if the source files are on a different
mountpoint, even though doing so is often insecure.
There are probably better ways to teach users to securely handle their
files. For example, the 'fscrypt' userspace tool could provide a
command that migrates unencrypted files into an encrypted directory,
acting like 'shred' on the source files and providing appropriate
warnings depending on the type of the source filesystem and disk.
Receiving errors on unimportant files might also force some users to
disable encryption, thus making the behavior counterproductive. It's
desirable to make encryption as unobtrusive as possible.
Therefore, change the error code from EPERM to EXDEV so that tools
looking for EXDEV will fall back to a copy.
This, of course, doesn't prevent users from still doing the right things
to securely manage their files. Note that this also matches the
behavior when a file is renamed between two project quota hierarchies;
so there's precedent for using EXDEV for things other than mountpoints.
xfstests generic/398 will require an update with this change.
[Rewritten from an earlier patch series by Michael Halcrow.]
Cc: Michael Halcrow <mhalcrow@google.com>
Cc: Joe Richey <joerichey@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
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Conflicts:
arch/arm64/boot/dts/qcom/sdm845-670-usb-common.dtsi
block/bio.c
build.config.common
drivers/char/adsprpc.c
drivers/gpu/drm/msm/sde/sde_encoder.c
drivers/media/platform/msm/camera/cam_core/cam_context.c
drivers/media/platform/msm/camera/cam_core/cam_node.c
drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/cam_ife_hw_mgr.c
drivers/media/platform/msm/camera/cam_sensor_module/cam_eeprom/cam_eeprom_core.c
drivers/media/platform/msm/camera/cam_sensor_module/cam_ois/cam_ois_core.c
drivers/media/platform/msm/camera/cam_sensor_module/cam_sensor_utils/cam_sensor_util.c
drivers/regulator/qpnp-labibb-regulator.c
drivers/usb/dwc3/dwc3-msm.c
fs/crypto/Makefile
fs/crypto/fscrypt_ice.h
fs/crypto/fscrypt_private.h
fs/crypto/keyinfo.c
fs/direct-io.c
fs/f2fs/f2fs.h
fs/f2fs/file.c
fs/f2fs/sysfs.c
include/linux/blk_types.h
kernel/events/core.c
security/pfe/pfk.c
security/pfe/pfk_ecryptfs.h
security/pfe/pfk_fscrypt.c
security/pfe/pfk_fscrypt.h
Bug: 119540871
Change-Id: I3ce34ab630c7272e1a250e6d917724f96a01b37e
Signed-off-by: Robin Peng <robinpeng@google.com>
Signed-off-by: Ocean Chen <oceanchen@google.com>
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* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: do not use mutex lock in atomic context
f2fs: fix potential data inconsistence of checkpoint
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to check inline_xattr_size boundary correctly
f2fs: jump to label 'free_node_inode' when failing from d_make_root()
f2fs: fix to document inline_xattr_size option
f2fs: fix to data block override node segment by mistake
f2fs: fix typos in code comments
f2fs: use xattr_prefix to wrap up
f2fs: sync filesystem after roll-forward recovery
fs: export evict_inodes
f2fs: flush quota blocks after turnning it off
f2fs: avoid null pointer exception in dcc_info
f2fs: don't wake up too frequently, if there is lots of IOs
f2fs: try to keep CP_TRIMMED_FLAG after successful umount
f2fs: add quick mode of checkpoint=disable for QA
f2fs: run discard jobs when put_super
f2fs: fix to set sbi dirty correctly
f2fs: UBSAN: set boolean value iostat_enable correctly
f2fs: add brackets for macros
f2fs: check if file namelen exceeds max value
f2fs: fix to trigger fsck if dirent.name_len is zero
f2fs: no need to check return value of debugfs_create functions
f2fs: export FS_NOCOW_FL flag to user
f2fs: check inject_rate validity during configuring
f2fs: remove set but not used variable 'err'
f2fs: fix compile warnings: 'struct *' declared inside parameter list
f2fs: change error code to -ENOMEM from -EINVAL
Change-Id: I6fda0c468b699339d99b2018b30618e7280f7bee
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Merge 4.9.153 into android-4.9
Linux 4.9.153
locking/qspinlock: Pull in asm/byteorder.h to ensure correct endianness
ipmi:ssif: Fix handling of multi-part return messages
mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps
* mm/page-writeback.c: don't break integrity writeback on ->writepage() error
mm/page-writeback.c
ocfs2: fix panic due to unrecovered local alloc
scsi: megaraid: fix out-of-bound array accesses
scsi: smartpqi: correct lun reset issues
* sysfs: Disable lockdep for driver bind/unbind files
drivers/base/bus.c
ALSA: bebob: fix model-id of unit for Apogee Ensemble
dm snapshot: Fix excessive memory usage and workqueue stalls
tools lib subcmd: Don't add the kernel sources to the include path
* dm kcopyd: Fix bug causing workqueue stalls
drivers/md/dm-kcopyd.c
perf parse-events: Fix unchecked usage of strncpy()
perf svghelper: Fix unchecked usage of strncpy()
perf intel-pt: Fix error with config term "pt=0"
* tty/serial: do not free trasnmit buffer page under port lock
drivers/tty/serial/serial_core.c
mmc: atmel-mci: do not assume idle after atmci_request_end
kconfig: fix memory leak when EOF is encountered in quotation
kconfig: fix file name and line number of warn_ignored_character()
clk: imx6q: reset exclusive gates on init
scsi: target: use consistent left-aligned ASCII INQUIRY data
* net: call sk_dst_reset when set SO_DONTROUTE
net/core/sock.c
media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
powerpc/pseries/cpuidle: Fix preempt warning
powerpc/xmon: Fix invocation inside lock region
* pstore/ram: Do not treat empty buffers as valid
fs/pstore/ram_core.c
jffs2: Fix use of uninitialized delayed_work, lockdep breakage
rxe: IB_WR_REG_MR does not capture MR's iova field
* selinux: always allow mounting submounts
security/selinux/hooks.c
* arm64: perf: set suppress_bind_attrs flag to true
arch/arm64/kernel/perf_event.c
MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
* ALSA: oxfw: add support for APOGEE duet FireWire
sound/firewire/Kconfig
serial: set suppress_bind_attrs flag only if builtin
* writeback: don't decrement wb->refcnt if !wb->bdi
include/linux/backing-dev-defs.h
e1000e: allow non-monotonic SYSTIM readings
platform/x86: asus-wmi: Tell the EC the OS will handle the display off hotkey
* ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
net/ipv6/af_inet6.c
* ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped address
net/ipv6/af_inet6.c
r8169: Add support for new Realtek Ethernet
* ANDROID: cfi: fix shadow rebasing
kernel/cfi.c
UPSTREAM: dm: do not allow readahead to limit IO size
* UPSTREAM: readahead: stricter check for bdi io_pages
mm/readahead.c
* UPSTREAM: mm: don't cap request size based on read-ahead setting
block/blk-settings.c
block/blk-sysfs.c
include/linux/backing-dev-defs.h
mm/readahead.c
* Revert "UPSTREAM: dm: do not allow readahead to limit IO size"
drivers/md/dm-table.c
* UPSTREAM: dm: do not allow readahead to limit IO size
drivers/md/dm-table.c
* UPSTREAM: ppp: Move PFC decompression to PPP generic layer
drivers/net/ppp/ppp_async.c
drivers/net/ppp/ppp_generic.c
drivers/net/ppp/ppp_synctty.c
net/l2tp/l2tp_ppp.c
* UPSTREAM: l2tp: Add protocol field decompression
net/l2tp/l2tp_ppp.c
* BACKPORT: l2tp: remove ->recv_payload_hook
net/l2tp/l2tp_core.c
net/l2tp/l2tp_core.h
net/l2tp/l2tp_ip.c
net/l2tp/l2tp_ip6.c
net/l2tp/l2tp_ppp.c
Merge 4.9.152 into android-4.9
Linux 4.9.152
nbd: Use set_blocksize() to set device blocksize
nbd: set the logical and physical blocksize properly
* media: vb2: be sure to unlock mutex on errors
drivers/media/v4l2-core/videobuf2-core.c
* mm, memcg: fix reclaim deadlock with writeback
mm/memory.c
drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
* loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
drivers/block/loop.c
* loop: Get rid of loop_index_mutex
drivers/block/loop.c
* loop: Fold __loop_release into loop_release
drivers/block/loop.c
* block/loop: Use global lock for ioctl() operation.
drivers/block/loop.c
drivers/block/loop.h
tipc: fix uninit-value in tipc_nl_compat_doit
tipc: fix uninit-value in tipc_nl_compat_name_table_dump
tipc: fix uninit-value in tipc_nl_compat_link_set
tipc: fix uninit-value in tipc_nl_compat_bearer_enable
tipc: fix uninit-value in tipc_nl_compat_link_reset_stats
sctp: allocate sctp_sockaddr_entry with kzalloc
* blockdev: Fix livelocks on loop device
fs/block_dev.c
* selinux: fix GPF on invalid policy
security/selinux/ss/policydb.c
* netfilter: ebtables: account ebt_table_info to kmemcg
net/bridge/netfilter/ebtables.c
sunrpc: handle ENOMEM in rpcb_getport_async
* media: vb2: vb2_mmap: move lock up
drivers/media/v4l2-core/videobuf2-core.c
* LSM: Check for NULL cred-security on free
security/security.c
media: vivid: set min width/height to a value > 0
media: vivid: fix error handling of kthread_run
omap2fb: Fix stack memory disclosure
Disable MSI also when pcie-octeon.pcie_disable on
* arm64: kaslr: ensure randomized quantities are clean to the PoC
arch/arm64/kernel/kaslr.c
mfd: tps6586x: Handle interrupts on suspend
mips: fix n32 compat_ipc_parse_version
crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK
crypto: talitos - reorder code in talitos_edesc_alloc()
* scsi: sd: Fix cache_type_store()
drivers/scsi/sd.c
* scsi: core: Synchronize request queue PM status only on successful resume
drivers/scsi/scsi_pm.c
Yama: Check for pid death before checking ancestry
btrfs: wait on ordered extents on abort cleanup
* crypto: authenc - fix parsing key with misaligned rta_len
crypto/authenc.c
* crypto: authencesn - Avoid twice completion call in decrypt path
crypto/authencesn.c
crypto: caam - fix zero-length buffer DMA mapping
* ip: on queued skb use skb_header_pointer instead of pskb_may_pull
net/ipv4/ip_sockglue.c
net/ipv6/datagram.c
* bonding: update nest level on unlink
drivers/net/bonding/bond_main.c
* packet: Do not leak dev refcounts on error exit
net/packet/af_packet.c
net: bridge: fix a bug on using a neighbour cache entry without checking its state
* ipv6: fix kernel-infoleak in ipv6_local_error()
net/ipv6/datagram.c
* arm64: Don't trap host pointer auth use to EL2
arch/arm64/include/asm/kvm_arm.h
* arm64/kvm: consistently handle host HCR_EL2 flags
arch/arm64/include/asm/kvm_arm.h
arch/arm64/kernel/head.S
scsi: target: iscsi: cxgbit: fix csk leak
Revert "scsi: target: iscsi: cxgbit: fix csk leak"
* proc: Remove empty line in /proc/self/status
fs/proc/array.c
media: em28xx: Fix misplaced reset of dev->v4l::field_count
* Revert "f2fs: do not recover from previous remained wrong dnodes"
fs/f2fs/recovery.c
can: gw: ensure DLC boundaries after CAN frame modification
* tty: Don't hold ldisc lock in tty_reopen() if ldisc present
drivers/tty/tty_io.c
* tty: Simplify tty->count math in tty_reopen()
drivers/tty/tty_io.c
* tty: Hold tty_ldisc_lock() during tty_reopen()
drivers/tty/tty_io.c
* tty/ldsem: Wake up readers after timed out down_write()
drivers/tty/tty_ldsem.c
ANDROID: cuttlefish_defconfig: Enable vsock options
* ANDROID: mnt: Propagate remount correctly
fs/pnode.c
* UPSTREAM: loop: drop caches if offset or block_size are changed
drivers/block/loop.c
UPSTREAM: crypto: adiantum - initialize crypto_spawn::inst
UPSTREAM: crypto: adiantum - fix leaking reference to hash algorithm
UPSTREAM: crypto: adiantum - adjust some comments to match latest paper
UPSTREAM: crypto: adiantum - propagate CRYPTO_ALG_ASYNC flag to instance
Merge 4.9.151 into android-4.9
Linux 4.9.151
sunrpc: use-after-free in svc_process_common()
* ext4: avoid kernel warning when writing the superblock to a dead device
fs/ext4/super.c
* ext4: fix a potential fiemap/page fault deadlock w/ inline_data
fs/ext4/inline.c
* ext4: make sure enough credits are reserved for dioread_nolock writes
fs/ext4/inode.c
rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set
* i2c: dev: prevent adapter retries and timeout being set as minus value
drivers/i2c/i2c-dev.c
ACPI: power: Skip duplicate power resource references in _PRx
* mm: page_mapped: don't assume compound page is huge or THP
mm/util.c
slab: alien caches must not be initialized if the allocation of the alien cache failed
* USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
drivers/usb/core/quirks.c
* USB: storage: add quirk for SMI SM3350
drivers/usb/storage/unusual_devs.h
* USB: storage: don't insert sane sense for SPC3+ when bad sense specified
drivers/usb/storage/scsiglue.c
usb: cdc-acm: send ZLP for Telit 3G Intel based modems
cifs: Fix potential OOB access of lock element array
CIFS: Do not hide EINTR after sending network packets
ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
Change-Id: I3eebfcb9f894c004b276f22a1e9928df873823a6
Signed-off-by: Petri Gynther <pgynther@google.com>
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Changes in 4.9.153
r8169: Add support for new Realtek Ethernet
ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped address
ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
platform/x86: asus-wmi: Tell the EC the OS will handle the display off hotkey
e1000e: allow non-monotonic SYSTIM readings
writeback: don't decrement wb->refcnt if !wb->bdi
serial: set suppress_bind_attrs flag only if builtin
ALSA: oxfw: add support for APOGEE duet FireWire
MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
arm64: perf: set suppress_bind_attrs flag to true
selinux: always allow mounting submounts
rxe: IB_WR_REG_MR does not capture MR's iova field
jffs2: Fix use of uninitialized delayed_work, lockdep breakage
pstore/ram: Do not treat empty buffers as valid
powerpc/xmon: Fix invocation inside lock region
powerpc/pseries/cpuidle: Fix preempt warning
media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
net: call sk_dst_reset when set SO_DONTROUTE
scsi: target: use consistent left-aligned ASCII INQUIRY data
clk: imx6q: reset exclusive gates on init
kconfig: fix file name and line number of warn_ignored_character()
kconfig: fix memory leak when EOF is encountered in quotation
mmc: atmel-mci: do not assume idle after atmci_request_end
tty/serial: do not free trasnmit buffer page under port lock
perf intel-pt: Fix error with config term "pt=0"
perf svghelper: Fix unchecked usage of strncpy()
perf parse-events: Fix unchecked usage of strncpy()
dm kcopyd: Fix bug causing workqueue stalls
tools lib subcmd: Don't add the kernel sources to the include path
dm snapshot: Fix excessive memory usage and workqueue stalls
ALSA: bebob: fix model-id of unit for Apogee Ensemble
sysfs: Disable lockdep for driver bind/unbind files
scsi: smartpqi: correct lun reset issues
scsi: megaraid: fix out-of-bound array accesses
ocfs2: fix panic due to unrecovered local alloc
mm/page-writeback.c: don't break integrity writeback on ->writepage() error
mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps
ipmi:ssif: Fix handling of multi-part return messages
locking/qspinlock: Pull in asm/byteorder.h to ensure correct endianness
Linux 4.9.153
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 7550c6079846a24f30d15ac75a941c8515dbedfb ]
Patch series "THP eligibility reporting via proc".
This series of three patches aims at making THP eligibility reporting much
more robust and long term sustainable. The trigger for the change is a
regression report [2] and the long follow up discussion. In short the
specific application didn't have good API to query whether a particular
mapping can be backed by THP so it has used VMA flags to workaround that.
These flags represent a deep internal state of VMAs and as such they
should be used by userspace with a great deal of caution.
A similar has happened for [3] when users complained that VM_MIXEDMAP is
no longer set on DAX mappings. Again a lack of a proper API led to an
abuse.
The first patch in the series tries to emphasise that that the semantic of
flags might change and any application consuming those should be really
careful.
The remaining two patches provide a more suitable interface to address [2]
and provide a consistent API to query the THP status both for each VMA and
process wide as well. [1]
http://lkml.kernel.org/r/20181120103515.25280-1-mhocko@kernel.org [2]
http://lkml.kernel.org/r/http://lkml.kernel.org/r/alpine.DEB.2.21.1809241054050.224429@chino.kir.corp.google.com
[3] http://lkml.kernel.org/r/20181002100531.GC4135@quack2.suse.cz
This patch (of 3):
Even though vma flags exported via /proc/<pid>/smaps are explicitly
documented to be not guaranteed for future compatibility the warning
doesn't go far enough because it doesn't mention semantic changes to those
flags. And they are important as well because these flags are a deep
implementation internal to the MM code and the semantic might change at
any time.
Let's consider two recent examples:
http://lkml.kernel.org/r/20181002100531.GC4135@quack2.suse.cz
: commit e1fb4a086495 "dax: remove VM_MIXEDMAP for fsdax and device dax" has
: removed VM_MIXEDMAP flag from DAX VMAs. Now our testing shows that in the
: mean time certain customer of ours started poking into /proc/<pid>/smaps
: and looks at VMA flags there and if VM_MIXEDMAP is missing among the VMA
: flags, the application just fails to start complaining that DAX support is
: missing in the kernel.
http://lkml.kernel.org/r/alpine.DEB.2.21.1809241054050.224429@chino.kir.corp.google.com
: Commit 1860033237d4 ("mm: make PR_SET_THP_DISABLE immediately active")
: introduced a regression in that userspace cannot always determine the set
: of vmas where thp is ineligible.
: Userspace relies on the "nh" flag being emitted as part of /proc/pid/smaps
: to determine if a vma is eligible to be backed by hugepages.
: Previous to this commit, prctl(PR_SET_THP_DISABLE, 1) would cause thp to
: be disabled and emit "nh" as a flag for the corresponding vmas as part of
: /proc/pid/smaps. After the commit, thp is disabled by means of an mm
: flag and "nh" is not emitted.
: This causes smaps parsing libraries to assume a vma is eligible for thp
: and ends up puzzling the user on why its memory is not backed by thp.
In both cases userspace was relying on a semantic of a specific VMA flag.
The primary reason why that happened is a lack of a proper interface.
While this has been worked on and it will be fixed properly, it seems that
our wording could see some refinement and be more vocal about semantic
aspect of these flags as well.
Link: http://lkml.kernel.org/r/20181211143641.3503-2-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Paul Oppenheimer <bepvte@gmail.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Add support for the Adiantum encryption mode to fscrypt. Adiantum is a
tweakable, length-preserving encryption mode with security provably
reducible to that of XChaCha12 and AES-256, subject to a security bound.
It's also a true wide-block mode, unlike XTS. See the paper
"Adiantum: length-preserving encryption for entry-level processors"
(https://eprint.iacr.org/2018/720.pdf) for more details. Also see
commit 059c2a4d8e16 ("crypto: adiantum - add Adiantum support").
On sufficiently long messages, Adiantum's bottlenecks are XChaCha12 and
the NH hash function. These algorithms are fast even on processors
without dedicated crypto instructions. Adiantum makes it feasible to
enable storage encryption on low-end mobile devices that lack AES
instructions; currently such devices are unencrypted. On ARM Cortex-A7,
on 4096-byte messages Adiantum encryption is about 4 times faster than
AES-256-XTS encryption; decryption is about 5 times faster.
In fscrypt, Adiantum is suitable for encrypting both file contents and
names. With filenames, it fixes a known weakness: when two filenames in
a directory share a common prefix of >= 16 bytes, with CTS-CBC their
encrypted filenames share a common prefix too, leaking information.
Adiantum does not have this problem.
Since Adiantum also accepts long tweaks (IVs), it's also safe to use the
master key directly for Adiantum encryption rather than deriving
per-file keys, provided that the per-file nonce is included in the IVs
and the master key isn't used for any other encryption mode. This
configuration saves memory and improves performance. A new fscrypt
policy flag is added to allow users to opt-in to this configuration.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
(cherry picked from commit 889645b87e96cecbdf7d76ab86447d1f1c6b41d3
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git master)
Conflicts:
Documentation/filesystems/fscrypt.rst
include/uapi/linux/fs.h
(replaced refcount_t with atomic_t)
Bug: 112008522
Test: For regression testing, built the kernel for x86_64 KVM and ran
the encryption xfstests using kvm-xfstests:
kvm-xfstests -c ext4,f2fs -g encrypt
Tests for the Adiantum mode and "direct key" specifically aren't yet
included in xfstests, but I also tried it manually with the
following (run in the kvm-xfstests test appliance):
cd /
umount /vdc &> /dev/null
mkfs.f2fs -O encrypt -f /dev/vdc
mount /vdc
cd /vdc
rm -rf edir
mkdir edir
. ~/xfstests/common/encrypt
KEYCTL_PROG=keyctl
FSTYP=fscrypt
_new_session_keyring
k=$(_generate_encryption_key)
xfs_io -c "set_encpolicy -c 9 -n 9 -f 0x4 $k" edir/
cp -a /usr edir/
diff -r /usr edir/usr/
dmesg should show that Adiantum is being used:
fscrypt: Adiantum using implementation "adiantum(xchacha12-generic,aes-aesni,nhpoly1305-generic)"
Change-Id: I29ffaa7ef9cbd23d2f6ed428814c607227241ce9
Signed-off-by: Eric Biggers <ebiggers@google.com>
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* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: guarantee journalled quota data by checkpoint
f2fs: cleanup dirty pages if recover failed
f2fs: fix data corruption issue with hardware encryption
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to spread clear_cold_data()
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
f2fs: account read IOs and use IO counts for is_idle
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to account IO correctly
f2fs: remove request_list check in is_idle()
f2fs: allow to mount, if quota is failed
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: do not update REQ_TIME in case of error conditions
f2fs: remove unneeded disable_nat_bits()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: fix to recover cold bit of inode block during POR
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: checkpoint disabling
f2fs: clear PageError on the read path
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: refactor ->page_mkwrite() flow
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: support superblock checksum
f2fs: add to account skip count of background GC
f2fs: add to account meta IO
f2fs: keep lazytime on remount
f2fs: fix missing up_read
f2fs: return correct errno in f2fs_gc
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: fix to recover inode's crtime during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's project id during POR
f2fs: update i_size after DIO completion
f2fs: report ENOENT correctly in f2fs_rename
f2fs: fix remount problem of option io_bits
f2fs: fix to recover inode's uid/gid during POR
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: add new idle interval timing for discard and gc paths
f2fs: split IO error injection according to RW
f2fs: add SPDX license identifiers
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: avoid sleeping under spin_lock
f2fs: plug readahead IO in readdir()
f2fs: fix to do sanity check with current segment number
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix memory leak of write_io in fill_super()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: report error if quota off error during umount
f2fs: submit bio after shutdown
f2fs: avoid wrong decrypted data from disk
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: fix to avoid NULL pointer dereference on se->discard_map
f2fs: add additional sanity check in f2fs_acl_from_disk()
Change-Id: Iaf9fc5081065224c87e0987e82f0bb61a6e1b9ac
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Note that, it requires "f2fs: return correct errno in f2fs_gc".
This adds a lightweight non-persistent snapshotting scheme to f2fs.
To use, mount with the option checkpoint=disable, and to return to
normal operation, remount with checkpoint=enable. If the filesystem
is shut down before remounting with checkpoint=enable, it will revert
back to its apparent state when it was first mounted with
checkpoint=disable. This is useful for situations where you wish to be
able to roll back the state of the disk in case of some critical
failure.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
[Jaegeuk Kim: use SB_RDONLY instead of MS_RDONLY]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds to support injecting error for write IO, this can simulate
IO error like fail_make_request or dm_flakey does.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This reverts commit c16d27ebb94346d08c441e70f77e52b2ed4a758a.
Resolves conflicts with a later CL, a4842a18697e "fscrypt: log the
crypto algorithm implementations".
Also leaves the include/uapi/linux/fs.h constants in place to prevent
future accidental re-use.
Bug: 116008047
Change-Id: I2d64d8d3e384400b7bdfc06a353c3844d4ebb377
Signed-off-by: Alistair Strachan <astrachan@google.com>
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android-4.9
* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: readahead encrypted block during GC
f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc
f2fs: fix performance issue observed with multi-thread sequential read
f2fs: fix to skip verifying block address for non-regular inode
f2fs: rework fault injection handling to avoid a warning
f2fs: support fault_type mount option
f2fs: fix to return success when trimming meta area
f2fs: fix use-after-free of dicard command entry
f2fs: support discard submission error injection
f2fs: split discard command in prior to block layer
f2fs: wake up gc thread immediately when gc_urgent is set
f2fs: fix incorrect range->len in f2fs_trim_fs()
f2fs: refresh recent accessed nat entry in lru list
f2fs: fix avoid race between truncate and background GC
f2fs: avoid race between zero_range and background GC
f2fs: fix to do sanity check with block address in main area v2
f2fs: fix to do sanity check with inline flags
f2fs: fix to reset i_gc_failures correctly
f2fs: fix invalid memory access
f2fs: fix to avoid broken of dnode block list
f2fs: use true and false for boolean values
f2fs: fix to do sanity check with cp_pack_start_sum
f2fs: avoid f2fs_bug_on() in cp_error case
f2fs: fix to clear PG_checked flag in set_page_dirty()
f2fs: fix to active page in lru list for read path
f2fs: don't keep meta pages used for block migration
f2fs: fix to restrict mount condition when without CONFIG_QUOTA
f2fs: quota: do not mount as RDWR without QUOTA if quota feature enabled
f2fs: quota: fix incorrect comments
f2fs: add proc entry to show victim_secmap bitmap
f2fs: let checkpoint flush dnode page of regular
f2fs: issue discard align to section in LFS mode
f2fs: don't allow any writes on aborted atomic writes
f2fs: restrict setting up inode.i_advise
f2fs: fix wrong kernel message when recover fsync data on ro fs
f2fs: clean up ioctl interface naming
f2fs: clean up with f2fs_is_{atomic,volatile}_file()
f2fs: clean up with f2fs_encrypted_inode()
f2fs: clean up with get_current_nat_page
f2fs: kill EXT_TREE_VEC_SIZE
f2fs: avoid duplicated permission check for "trusted." xattrs
f2fs: fix to propagate error from __get_meta_page()
f2fs: fix to do sanity check with i_extra_isize
f2fs: blk_finish_plug of submit_bio in lfs mode
f2fs: do not set free of current section
f2fs: Keep alloc_valid_block_count in sync
f2fs: issue small discard by LBA order
f2fs: stop issuing discard immediately if there is queued IO
f2fs: clean up with IS_INODE()
f2fs: detect bug_on in f2fs_wait_discard_bios
f2fs: fix defined but not used build warnings
f2fs: enable real-time discard by default
f2fs: fix to detect looped node chain correctly
f2fs: fix to do sanity check with block address in main area
f2fs: fix to skip GC if type in SSA and SIT is inconsistent
f2fs: try grabbing node page lock aggressively in sync scenario
f2fs: show the fsync_mode=nobarrier mount option
f2fs: check the right return value of memory alloc function
f2fs: Replace strncpy with memcpy
f2fs: avoid the global name 'fault_name'
f2fs: fix to do sanity check with reserved blkaddr of inline inode
f2fs: fix to do sanity check with node footer and iblocks
f2fs: Allocate and stat mem used by free nid bitmap more accurately
f2fs: fix to do sanity check with user_block_count
f2fs: fix to do sanity check with extra_attr feature
f2fs: fix to correct return value of f2fs_trim_fs
f2fs: fix to do sanity check with {sit,nat}_ver_bitmap_bytesize
f2fs: fix to do sanity check with secs_per_zone
f2fs: disable f2fs_check_rb_tree_consistence
f2fs: introduce and spread verify_blkaddr
f2fs: use timespec64 for inode timestamps
f2fs: fix to wait on page writeback before updating page
f2fs: assign REQ_RAHEAD to bio for ->readpages
f2fs: fix a hungtask problem caused by congestion_wait
f2fs: Fix uninitialized return in f2fs_ioc_shutdown()
f2fs: don't issue discard commands in online discard is on
f2fs: fix to propagate return value of scan_nat_page()
f2fs: support in-memory inode checksum when checking consistency
f2fs: fix error path of fill_super
f2fs: relocate readdir_ra configure initialization
f2fs: move s_res{u,g}id initialization to default_options()
f2fs: don't acquire orphan ino during recovery
f2fs: avoid potential deadlock in f2fs_sbi_store
f2fs: indicate shutdown f2fs to allow unmount successfully
f2fs: keep meta pages in cp_error state
f2fs: do checkpoint in kill_sb
f2fs: allow wrong configured dio to buffered write
f2fs: flush journal nat entries for nat_bits during unmount
Change-Id: Idf605de5a231be53449a783dc042f590a6e6fd77
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Previously, once fault injection is on, by default, all kind of faults
will be injected to f2fs, if we want to trigger single or specified
combined type during the test, we need to configure sysfs entry, it will
be a little inconvenient to integrate sysfs configuring into testsuit,
such as xfstest.
So this patch introduces a new mount option 'fault_type' to assist old
option 'fault_injection', with these two mount options, we can specify
any fault rate/type at mount-time.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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android-4.9
Cherry-picked from origin/upstream-f2fs-stable-linux-4.9.y:
f950fa4816e0 treewide: Use array_size in f2fs_kvzalloc()
61f4864691a7 treewide: Use array_size() in f2fs_kzalloc()
c4eb50dac312 treewide: Use array_size() in f2fs_kmalloc()
96a232926b41 overflow.h: Add allocation size calculation helpers
9a857bde9fdb f2fs: fix to clear FI_VOLATILE_FILE correctly
deb78d4c9ae2 f2fs: let sync node IO interrupt async one
7507ad250a67 f2fs: don't change wbc->sync_mode
accb4064fb32 f2fs: fix to update mtime correctly
6285d972c331 fs: f2fs: insert space around that ':' and ', '
9ef10313f5f1 fs: f2fs: add missing blank lines after declarations
ee62ea28d5ad fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
6b4d6a815006 f2fs: clean up symbol namespace
6de81c8d5e2c f2fs: make set_de_type() static
fdd569a78f2f f2fs: make __f2fs_write_data_pages() static
48fa534336c9 f2fs: fix to avoid accessing cross the boundary
34880e00cfed f2fs: fix to let caller retry allocating block address
8c46965183b6 disable loading f2fs module on PAGE_SIZE > 4KB
408285a40a72 f2fs: fix error path of move_data_page
9780d68db869 f2fs: don't drop dentry pages after fs shutdown
b9921f022b30 f2fs: fix to avoid race during access gc_thread pointer
bcbcda43c3d8 f2fs: clean up with clear_radix_tree_dirty_tag
4636af963f1c f2fs: fix to don't trigger writeback during recovery
5bc68f305080 f2fs: clear discard_wake earlier
8d74ddc1b201 f2fs: let discard thread wait a little longer if dev is busy
caf10c6f127f f2fs: avoid stucking GC due to atomic write
0390d83fddaa f2fs: introduce sbi->gc_mode to determine the policy
bbab2dcb226f f2fs: keep migration IO order in LFS mode
2f7e488b70f0 f2fs: fix to wait page writeback during revoking atomic write
664de5990a73 f2fs: Fix deadlock in shutdown ioctl
458e47f3b223 f2fs: detect synchronous writeback more earlier
4d93a43dafda mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()
12034c751db0 ceph: use pagevec_lookup_range_nr_tag()
565d7441b910 mm: add variant of pagevec_lookup_range_tag() taking number of pages
bef1c39148d6 mm: use pagevec_lookup_range_tag() in write_cache_pages()
7e95dd50c6c2 mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()
88c6c1f24756 nilfs2: use pagevec_lookup_range_tag()
aa70b7019e82 gfs2: use pagevec_lookup_range_tag()
c4464307d48d f2fs: use find_get_pages_tag() for looking up single page
45ec63b247d3 f2fs: simplify page iteration loops
e06736589bf1 f2fs: use pagevec_lookup_range_tag()
d7a592f66047 ext4: use pagevec_lookup_range_tag()
b433151665c6 ceph: use pagevec_lookup_range_tag()
e286666cb13e btrfs: use pagevec_lookup_range_tag()
fb296a23c286 mm: implement find_get_pages_range_tag()
158d9bbbe159 f2fs: clean up with is_valid_blkaddr()
20893172b7ee f2fs: fix to initialize min_mtime with ULLONG_MAX
a301e76180de f2fs: fix to let checkpoint guarantee atomic page persistence
2d96ad5b28a3 f2fs: fix to initialize i_current_depth according to inode type
6b7c7b417193 Revert "f2fs: add ovp valid_blocks check for bg gc victim to fg_gc"
04fa5dce0312 f2fs: don't drop any page on f2fs_cp_error() case
0aca14fc01ec f2fs: fix spelling mistake: "extenstion" -> "extension"
6abb03385b5c f2fs: enhance sanity_check_raw_super() to avoid potential overflows
f921fa849686 f2fs: treat volatile file's data as hot one
a2cbd9b5ee56 f2fs: introduce release_discard_addr() for cleanup
54f43787c97f f2fs: fix potential overflow
f6bd7d451ab7 f2fs: rename dio_rwsem to i_gc_rwsem
48698e46f355 f2fs: move mnt_want_write_file after range check
707f7ae7db6d f2fs: fix missing clear FI_NO_PREALLOC in some error case
d487b1588e61 f2fs: enforce fsync_mode=strict for renamed directory
1c7d5f02bfe2 f2fs: sanity check for total valid node blocks
0f0b18adcd80 f2fs: sanity check on sit entry
60143bfdb3b9 f2fs: avoid bug_on on corrupted inode
b733d0175e7c f2fs: give message and set need_fsck given broken node id
0b4d0d03c96c f2fs: clean up commit_inmem_pages()
80ee152c0581 f2fs: do not check F2FS_INLINE_DOTS in recover
78d089f531a2 f2fs: remove duplicated dquot_initialize and fix error handling
198f637cdfdb f2fs: stop issue discard if something wrong with f2fs
2f903ef932c0 f2fs: fix return value in f2fs_ioc_commit_atomic_write
5bdfc7ee960c f2fs: allocate hot_data for atomic write more strictly
51ad1795a5ee f2fs: check if inmem_pages list is empty correctly
72823f4c7aec f2fs: fix race in between GC and atomic open
97d0c4e72c9d f2fs: change le32 to le16 of f2fs_inode->i_extra_size
5a60d4cde910 f2fs: check cur_valid_map_mir & raw_sit block count when flush sit entries
aa8b4b9926de f2fs: correct return value of f2fs_trim_fs
03a22433da7a f2fs: fix to show missing bits in FS_IOC_GETFLAGS
a0bbb362383b f2fs: remove unneeded F2FS_PROJINHERIT_FL
7aee058b663a f2fs: don't use GFP_ZERO for page caches
addb448b7e6e f2fs: issue all big range discards in umount process
dc93e586b349 f2fs: remove redundant block plug
d1aee08aab18 f2fs: remove unmatched zero_user_segment when convert inline dentry
9bafde62f512 f2fs: introduce private inode status mapping
a4842a18697e fscrypt: log the crypto algorithm implementations
c16d27ebb943 fscrypt: add Speck128/256 support
08ac7224b566 fscrypt: only derive the needed portion of the key
24cc7a8cbbac fscrypt: separate key lookup from key derivation
78275d80f7db fscrypt: use a common logging function
56733c6207c0 fscrypt: remove internal key size constants
9add02d5c6c1 fscrypt: remove unnecessary check for non-logon key type
4ddc3a807e24 fscrypt: make fscrypt_operations.max_namelen an integer
6cf4ea2a0cb0 fscrypt: drop empty name check from fname_decrypt()
e2a57840e17e fscrypt: drop max_namelen check from fname_decrypt()
d3679390f97c fscrypt: don't special-case EOPNOTSUPP from fscrypt_get_encryption_info()
1cfd158268eb fscrypt: don't clear flags on crypto transform
cfd1d7bab1b7 fscrypt: remove stale comment from fscrypt_d_revalidate()
1e04ac8a2056 fscrypt: remove error messages for skcipher_request_alloc() failure
c6b42b9bc7f7 fscrypt: remove unnecessary NULL check when allocating skcipher
3866025c17b1 fscrypt: clean up after fscrypt_prepare_lookup() conversions
b711ad8a21c0 ext4: switch to fscrypt_prepare_lookup()
f9866debb56a fscrypt: use unbound workqueue for decryption
Change-Id: Ia9a47ef30e9e47c4c3e1e9e91e37ae1dc018384f
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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fscrypt currently only supports AES encryption. However, many low-end
mobile devices have older CPUs that don't have AES instructions, e.g.
the ARMv8 Cryptography Extensions. Currently, user data on such devices
is not encrypted at rest because AES is too slow, even when the NEON
bit-sliced implementation of AES is used. Unfortunately, it is
infeasible to encrypt these devices at all when AES is the only option.
Therefore, this patch updates fscrypt to support the Speck block cipher,
which was recently added to the crypto API. The C implementation of
Speck is not especially fast, but Speck can be implemented very
efficiently with general-purpose vector instructions, e.g. ARM NEON.
For example, on an ARMv7 processor, we measured the NEON-accelerated
Speck128/256-XTS at 69 MB/s for both encryption and decryption, while
AES-256-XTS with the NEON bit-sliced implementation was only 22 MB/s
encryption and 19 MB/s decryption.
There are multiple variants of Speck. This patch only adds support for
Speck128/256, which is the variant with a 128-bit block size and 256-bit
key size -- the same as AES-256. This is believed to be the most secure
variant of Speck, and it's only about 6% slower than Speck128/128.
Speck64/128 would be at least 20% faster because it has 20% rounds, and
it can be even faster on CPUs that can't efficiently do the 64-bit
operations needed for Speck128. However, Speck64's 64-bit block size is
not preferred security-wise. ARM NEON also supports the needed 64-bit
operations even on 32-bit CPUs, resulting in Speck128 being fast enough
for our targeted use cases so far.
The chosen modes of operation are XTS for contents and CTS-CBC for
filenames. These are the same modes of operation that fscrypt defaults
to for AES. Note that as with the other fscrypt modes, Speck will not
be used unless userspace chooses to use it. Nor are any of the existing
modes (which are all AES-based) being removed, of course.
We intentionally don't make CONFIG_FS_ENCRYPTION select
CONFIG_CRYPTO_SPECK, so people will have to enable Speck support
themselves if they need it. This is because we shouldn't bloat the
FS_ENCRYPTION dependencies with every new cipher, especially ones that
aren't recommended for most users. Moreover, CRYPTO_SPECK is just the
generic implementation, which won't be fast enough for many users; in
practice, they'll need to enable CRYPTO_SPECK_NEON to get acceptable
performance.
More details about our choice of Speck can be found in our patches that
added Speck to the crypto API, and the follow-on discussion threads.
We're planning a publication that explains the choice in more detail.
But briefly, we can't use ChaCha20 as we previously proposed, since it
would be insecure to use a stream cipher in this context, with potential
IV reuse during writes on f2fs and/or on wear-leveling flash storage.
We also evaluated many other lightweight and/or ARX-based block ciphers
such as Chaskey-LTS, RC5, LEA, CHAM, Threefish, RC6, NOEKEON, SPARX, and
XTEA. However, all had disadvantages vs. Speck, such as insufficient
performance with NEON, much less published cryptanalysis, or an
insufficient security level. Various design choices in Speck make it
perform better with NEON than competing ciphers while still having a
security margin similar to AES, and in the case of Speck128 also the
same available security levels. Unfortunately, Speck does have some
political baggage attached -- it's an NSA designed cipher, and was
rejected from an ISO standard (though for context, as far as I know none
of the above-mentioned alternatives are ISO standards either).
Nevertheless, we believe it is a good solution to the problem from a
technical perspective.
Certain algorithms constructed from ChaCha or the ChaCha permutation,
such as MEM (Masked Even-Mansour) or HPolyC, may also meet our
performance requirements. However, these are new constructions that
need more time to receive the cryptographic review and acceptance needed
to be confident in their security. HPolyC hasn't been published yet,
and we are concerned that MEM makes stronger assumptions about the
underlying permutation than the ChaCha stream cipher does. In contrast,
the XTS mode of operation is relatively well accepted, and Speck has
over 70 cryptanalysis papers. Of course, these ChaCha-based algorithms
can still be added later if they become ready.
The best known attack on Speck128/256 is a differential cryptanalysis
attack on 25 of 34 rounds with 2^253 time complexity and 2^125 chosen
plaintexts, i.e. only marginally faster than brute force. There is no
known attack on the full 34 rounds.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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For non-atomic files, this patch adds an option to give nobarrier which
doesn't issue flush commands to the device.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch introduces a new mount option `test_dummy_encryption'
to allow fscrypt to create a fake fscrypt context. This is used
by xfstests.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Commit "0a007b97aad6"(f2fs: recover directory operations by fsync)
fixed xfstest generic/342 case, but it also increased the written
data and caused the performance degradation. In most cases, there's
no need to do so heavy fsync actually.
So we introduce new mount option "fsync_mode={posix,strict}" to
control the policy of fsync. "fsync_mode=posix" is set by default,
and means that f2fs uses a light fsync, which follows POSIX semantics.
And "fsync_mode=strict" means that it's a heavy fsync, which behaves
in line with xfs, ext4 and btrfs, where generic/342 will pass, but
the performance will regress.
Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds an mount option, "alloc_mode=%s" having two options, "default"
and "reuse".
In "alloc_mode=reuse" case, f2fs starts to allocate segments from 0'th segment
all the time to reassign segments. It'd be useful for small-sized eMMC parts.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch supports to enable f2fs to accept quota information through
mount option:
- {usr,grp,prj}jquota=<quota file path>
- jqfmt=<quota type>
Then, in ->mount flow, we can recover quota file during log replaying,
by this, journelled quota can be supported.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: Fix wrong return values.]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds a sysfs entry to control urgent mode for background GC.
If this is set, background GC thread conducts GC with gc_urgent_sleep_time
all the time.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds to support plain project quota.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This patch adds to support plain user/group quota.
Change Note by Jaegeuk Kim.
- Use f2fs page cache for quota files in order to consider garbage collection.
so, quota files are not tolerable for sudden power-cuts, so user needs to do
quotacheck.
- setattr() calls dquot_transfer which will transfer inode->i_blocks.
We can't reclaim that during f2fs_evict_inode(). So, we need to count
node blocks as well in order to match i_blocks with dquot's space.
Note that, Chao wrote a patch to count inode->i_blocks without inode block.
(f2fs: don't count inode block in in-memory inode.i_blocks)
- in f2fs_remount, we need to make RW in prior to dquot_resume.
- handle fault_injection case during f2fs_quota_off_umount
- TODO: Project quota
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Cherry-picked from:
origin/upstream-f2fs-stable-linux-4.9.y
cea3ae5716a2 ("f2fs: turn down IO priority of discard from background")
0357a0faca5c ("f2fs: don't split checkpoint in fstrim")
41059095317d ("f2fs: issue discard commands proactively in high fs utilization")
3a38cf1525f5 ("f2fs: add fsync_mode=nobarrier for non-atomic files")
8f6a2e7a6669 ("f2fs: let fstrim issue discard commands in lower priority")
Change-Id: Id7bfb0e31103b42b0eb87928d2d6bc34f18f555c
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Pull f2fs update from Jaegeuk Kim:
"In this round, we've mainly focused on performance tuning and critical
bug fixes occurred in low-end devices. Sheng Yong introduced
lost_found feature to keep missing files during recovery instead of
thrashing them. We're preparing coming fsverity implementation. And,
we've got more features to communicate with users for better
performance. In low-end devices, some memory-related issues were
fixed, and subtle race condtions and corner cases were addressed as
well.
Enhancements:
- large nat bitmaps for more free node ids
- add three block allocation policies to pass down write hints given by user
- expose extension list to user and introduce hot file extension
- tune small devices seamlessly for low-end devices
- set readdir_ra by default
- give more resources under gc_urgent mode regarding to discard and cleaning
- introduce fsync_mode to enforce posix or not
- nowait aio support
- add lost_found feature to keep dangling inodes
- reserve bits for future fsverity feature
- add test_dummy_encryption for FBE
Bug fixes:
- don't use highmem for dentry pages
- align memory boundary for bitops
- truncate preallocated blocks in write errors
- guarantee i_times on fsync call
- clear CP_TRIMMED_FLAG correctly
- prevent node chain loop during recovery
- avoid data race between atomic write and background cleaning
- avoid unnecessary selinux violation warnings on resgid option
- GFP_NOFS to avoid deadlock in quota and read paths
- fix f2fs_skip_inode_update to allow i_size recovery
In addition to the above, there are several minor bug fixes and clean-ups"
Cherry-pick from origin/upstream-f2fs-stable-linux-4.9.y:
ac389af190fb f2fs: remain written times to update inode during fsync
270deeb87125 f2fs: make assignment of t->dentry_bitmap more readable
a4fa11c8da10 f2fs: truncate preallocated blocks in error case
4478970f0e73 f2fs: fix a wrong condition in f2fs_skip_inode_update
29cead58f5ea f2fs: reserve bits for fs-verity
848b293a5d95 f2fs: Add a segment type check in inplace write
2dc8f5a3a640 f2fs: no need to initialize zero value for GFP_F2FS_ZERO
83b9bb95a628 f2fs: don't track new nat entry in nat set
a33ce03ac477 f2fs: clean up with F2FS_BLK_ALIGN
a3f8ec8082e3 f2fs: check blkaddr more accuratly before issue a bio
034f11eadb16 f2fs: Set GF_NOFS in read_cache_page_gfp while doing f2fs_quota_read
aa5bcfd8f488 f2fs: introduce a new mount option test_dummy_encryption
9b880fe6e6e2 f2fs: introduce F2FS_FEATURE_LOST_FOUND feature
80d6489a08c1 f2fs: release locks before return in f2fs_ioc_gc_range()
9f1896c490eb f2fs: align memory boundary for bitops
c7930ee88334 f2fs: remove unneeded set_cold_node()
355d2346409a f2fs: add nowait aio support
e9a50e6b9479 f2fs: wrap all options with f2fs_sb_info.mount_opt
b6d2ec83e0c0 f2fs: Don't overwrite all types of node to keep node chain
9a954816298c f2fs: introduce mount option for fsync mode
4ce4eb697068 f2fs: fix to restore old mount option in ->remount_fs
8f711c344e61 f2fs: wrap sb_rdonly with f2fs_readonly
c07478ee84bf f2fs: avoid selinux denial on CAP_SYS_RESOURCE
ac734c416fa9 f2fs: support hot file extension
f4f10221accc f2fs: fix to avoid race in between atomic write and background GC
e87b13ec160b f2fs: do gc in greedy mode for whole range if gc_urgent mode is set
e9878588de94 f2fs: issue discard aggressively in the gc_urgent mode
ad3ce479e6e4 f2fs: set readdir_ra by default
5aae2026bbd2 f2fs: add auto tuning for small devices
78c1fc2d8f27 f2fs: add mount option for segment allocation policy
ecd02f564631 f2fs: don't stop GC if GC is contended
1e72cb27d2d6 f2fs: expose extension_list sysfs entry
061839d178ab f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range
4951ebcbc4e2 f2fs: introduce sb_lock to make encrypt pwsalt update exclusive
939f6be0420f f2fs: remove redundant initialization of pointer 'p'
39bea4bc8ef2 f2fs: flush cp pack except cp pack 2 page at first
770611eb2ab4 f2fs: clean up f2fs_sb_has_xxx functions
4d8e4a8965f9 f2fs: remove redundant check of page type when submit bio
e9878588de94 f2fs: issue discard aggressively in the gc_urgent mode
ad3ce479e6e4 f2fs: set readdir_ra by default
5aae2026bbd2 f2fs: add auto tuning for small devices
78c1fc2d8f27 f2fs: add mount option for segment allocation policy
ecd02f564631 f2fs: don't stop GC if GC is contended
1e72cb27d2d6 f2fs: expose extension_list sysfs entry
061839d178ab f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range
4951ebcbc4e2 f2fs: introduce sb_lock to make encrypt pwsalt update exclusive
939f6be0420f f2fs: remove redundant initialization of pointer 'p'
39bea4bc8ef2 f2fs: flush cp pack except cp pack 2 page at first
770611eb2ab4 f2fs: clean up f2fs_sb_has_xxx functions
4d8e4a8965f9 f2fs: remove redundant check of page type when submit bio
b57a37f01fda f2fs: fix to handle looped node chain during recovery
9ac5b8c54083 f2fs: handle quota for orphan inodes
87c18066016a f2fs: support passing down write hints to block layer with F2FS policy
bcdc571e8d8b f2fs: support passing down write hints given by users to block layer
92413bc12e32 f2fs: fix to clear CP_TRIMMED_FLAG
a1afb55f9784 f2fs: support large nat bitmap
636039140493 f2fs: fix to check extent cache in f2fs_drop_extent_tree
7de4fccdbce1 f2fs: restrict inline_xattr_size configuration
aae506a8b704 f2fs: fix heap mode to reset it back
8fa455bb6ea0 f2fs: fix potential corruption in area before F2FS_SUPER_OFFSET
9d9cb0ef73f9 fscrypt: fix build with pre-4.6 gcc versions
401052ffc6b4 fscrypt: remove 'ci' parameter from fscrypt_put_encryption_info()
549b2061b3b5 fscrypt: fix up fscrypt_fname_encrypted_size() for internal use
c440b5091a0c fscrypt: define fscrypt_fname_alloc_buffer() to be for presented names
7d82f0e1c39a ext4: switch to fscrypt ->symlink() helper functions
ba4efe560438 ext4: switch to fscrypt_get_symlink()
b0edc2f22d24 fscrypt: calculate NUL-padding length in one place only
62cfdd9868c7 fscrypt: move fscrypt_symlink_data to fscrypt_private.h
e4e6776522bc fscrypt: remove fscrypt_fname_usr_to_disk()
45028b5aaa4e f2fs: switch to fscrypt_get_symlink()
f62d3d31e0c7 f2fs: switch to fscrypt ->symlink() helper functions
da32a1633ad3 fscrypt: new helper function - fscrypt_get_symlink()
a7e05c731d11 fscrypt: new helper functions for ->symlink()
eb9c5fd896de fscrypt: trim down fscrypt.h includes
0a02472d8ae2 fscrypt: move fscrypt_is_dot_dotdot() to fs/crypto/fname.c
9d51ca80274c fscrypt: move fscrypt_valid_enc_modes() to fscrypt_private.h
efbfa8c6a056 fscrypt: move fscrypt_operations declaration to fscrypt_supp.h
616dbd2bdc6a fscrypt: split fscrypt_dummy_context_enabled() into supp/notsupp versions
f0c472bcbf1c fscrypt: move fscrypt_ctx declaration to fscrypt_supp.h
bc76f39109b1 fscrypt: move fscrypt_info_cachep declaration to fscrypt_private.h
b67b07ec4964 fscrypt: move fscrypt_control_page() to supp/notsupp headers
d8dfb89961d0 fscrypt: move fscrypt_has_encryption_key() to supp/notsupp headers
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Add support for the Adiantum encryption mode to fscrypt. Adiantum is a
tweakable, length-preserving encryption mode with security provably
reducible to that of XChaCha12 and AES-256, subject to a security bound.
It's also a true wide-block mode, unlike XTS. See the paper
"Adiantum: length-preserving encryption for entry-level processors"
(https://eprint.iacr.org/2018/720.pdf) for more details. Also see
commit 059c2a4d8e16 ("crypto: adiantum - add Adiantum support").
On sufficiently long messages, Adiantum's bottlenecks are XChaCha12 and
the NH hash function. These algorithms are fast even on processors
without dedicated crypto instructions. Adiantum makes it feasible to
enable storage encryption on low-end mobile devices that lack AES
instructions; currently such devices are unencrypted. On ARM Cortex-A7,
on 4096-byte messages Adiantum encryption is about 4 times faster than
AES-256-XTS encryption; decryption is about 5 times faster.
In fscrypt, Adiantum is suitable for encrypting both file contents and
names. With filenames, it fixes a known weakness: when two filenames in
a directory share a common prefix of >= 16 bytes, with CTS-CBC their
encrypted filenames share a common prefix too, leaking information.
Adiantum does not have this problem.
Since Adiantum also accepts long tweaks (IVs), it's also safe to use the
master key directly for Adiantum encryption rather than deriving
per-file keys, provided that the per-file nonce is included in the IVs
and the master key isn't used for any other encryption mode. This
configuration saves memory and improves performance. A new fscrypt
policy flag is added to allow users to opt-in to this configuration.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
(cherry picked from commit 889645b87e96cecbdf7d76ab86447d1f1c6b41d3
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git master)
Conflicts:
Documentation/filesystems/fscrypt.rst
include/uapi/linux/fs.h
(replaced refcount_t with atomic_t)
Bug: 112008522
Test: For regression testing, built the kernel for x86_64 KVM and ran
the encryption xfstests using kvm-xfstests:
kvm-xfstests -c ext4,f2fs -g encrypt
Tests for the Adiantum mode and "direct key" specifically aren't yet
included in xfstests, but I also tried it manually with the
following (run in the kvm-xfstests test appliance):
cd /
umount /vdc &> /dev/null
mkfs.f2fs -O encrypt -f /dev/vdc
mount /vdc
cd /vdc
rm -rf edir
mkdir edir
. ~/xfstests/common/encrypt
KEYCTL_PROG=keyctl
FSTYP=fscrypt
_new_session_keyring
k=$(_generate_encryption_key)
xfs_io -c "set_encpolicy -c 9 -n 9 -f 0x4 $k" edir/
cp -a /usr edir/
diff -r /usr edir/usr/
dmesg should show that Adiantum is being used:
fscrypt: Adiantum using implementation "adiantum(xchacha12-generic,aes-aesni,nhpoly1305-generic)"
Signed-off-by: Eric Biggers <ebiggers@google.com>
(cherry picked from android-4.9 commit e33fa31e300e4f3e6092a95dacf40d23a4e12790)
Conflicts:
fs/crypto/fscrypt_private.h
fs/crypto/keyinfo.c
include/uapi/linux/fs.h
(resolved conflicts with ICE support)
Change-Id: I29ffaa7ef9cbd23d2f6ed428814c607227241ce9
Signed-off-by: Eric Biggers <ebiggers@google.com>
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Add support for the Adiantum encryption mode to fscrypt. Adiantum is a
tweakable, length-preserving encryption mode with security provably
reducible to that of XChaCha12 and AES-256, subject to a security bound.
It's also a true wide-block mode, unlike XTS. See the paper
"Adiantum: length-preserving encryption for entry-level processors"
(https://eprint.iacr.org/2018/720.pdf) for more details. Also see
commit 059c2a4d8e16 ("crypto: adiantum - add Adiantum support").
On sufficiently long messages, Adiantum's bottlenecks are XChaCha12 and
the NH hash function. These algorithms are fast even on processors
without dedicated crypto instructions. Adiantum makes it feasible to
enable storage encryption on low-end mobile devices that lack AES
instructions; currently such devices are unencrypted. On ARM Cortex-A7,
on 4096-byte messages Adiantum encryption is about 4 times faster than
AES-256-XTS encryption; decryption is about 5 times faster.
In fscrypt, Adiantum is suitable for encrypting both file contents and
names. With filenames, it fixes a known weakness: when two filenames in
a directory share a common prefix of >= 16 bytes, with CTS-CBC their
encrypted filenames share a common prefix too, leaking information.
Adiantum does not have this problem.
Since Adiantum also accepts long tweaks (IVs), it's also safe to use the
master key directly for Adiantum encryption rather than deriving
per-file keys, provided that the per-file nonce is included in the IVs
and the master key isn't used for any other encryption mode. This
configuration saves memory and improves performance. A new fscrypt
policy flag is added to allow users to opt-in to this configuration.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
(cherry picked from commit 889645b87e96cecbdf7d76ab86447d1f1c6b41d3
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git master)
Conflicts:
Documentation/filesystems/fscrypt.rst
include/uapi/linux/fs.h
(replaced refcount_t with atomic_t)
Bug: 112008522
Test: For regression testing, built the kernel for x86_64 KVM and ran
the encryption xfstests using kvm-xfstests:
kvm-xfstests -c ext4,f2fs -g encrypt
Tests for the Adiantum mode and "direct key" specifically aren't yet
included in xfstests, but I also tried it manually with the
following (run in the kvm-xfstests test appliance):
cd /
umount /vdc &> /dev/null
mkfs.f2fs -O encrypt -f /dev/vdc
mount /vdc
cd /vdc
rm -rf edir
mkdir edir
. ~/xfstests/common/encrypt
KEYCTL_PROG=keyctl
FSTYP=fscrypt
_new_session_keyring
k=$(_generate_encryption_key)
xfs_io -c "set_encpolicy -c 9 -n 9 -f 0x4 $k" edir/
cp -a /usr edir/
diff -r /usr edir/usr/
dmesg should show that Adiantum is being used:
fscrypt: Adiantum using implementation "adiantum(xchacha12-generic,aes-aesni,nhpoly1305-generic)"
Signed-off-by: Eric Biggers <ebiggers@google.com>
(cherry picked from android-4.9 commit e33fa31e300e4f3e6092a95dacf40d23a4e12790)
Conflicts:
fs/crypto/fscrypt_private.h
fs/crypto/keyinfo.c
include/uapi/linux/fs.h
(resolved conflicts with ICE support)
Change-Id: I29ffaa7ef9cbd23d2f6ed428814c607227241ce9
Signed-off-by: Eric Biggers <ebiggers@google.com>
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* origin/upstream-f2fs-stable-linux-4.9.y:
f2fs: do not use mutex lock in atomic context
f2fs: fix potential data inconsistence of checkpoint
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to check inline_xattr_size boundary correctly
f2fs: jump to label 'free_node_inode' when failing from d_make_root()
f2fs: fix to document inline_xattr_size option
f2fs: fix to data block override node segment by mistake
f2fs: fix typos in code comments
f2fs: use xattr_prefix to wrap up
f2fs: sync filesystem after roll-forward recovery
fs: export evict_inodes
f2fs: flush quota blocks after turnning it off
f2fs: avoid null pointer exception in dcc_info
f2fs: don't wake up too frequently, if there is lots of IOs
f2fs: try to keep CP_TRIMMED_FLAG after successful umount
f2fs: add quick mode of checkpoint=disable for QA
f2fs: run discard jobs when put_super
f2fs: fix to set sbi dirty correctly
f2fs: UBSAN: set boolean value iostat_enable correctly
f2fs: add brackets for macros
f2fs: check if file namelen exceeds max value
f2fs: fix to trigger fsck if dirent.name_len is zero
f2fs: no need to check return value of debugfs_create functions
f2fs: export FS_NOCOW_FL flag to user
f2fs: check inject_rate validity during configuring
f2fs: remove set but not used variable 'err'
f2fs: fix compile warnings: 'struct *' declared inside parameter list
f2fs: change error code to -ENOMEM from -EINVAL
Change-Id: I6fda0c468b699339d99b2018b30618e7280f7bee
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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Conflicts:
Documentation/filesystems/overlayfs.txt
arch/arm64/configs/bonito_defconfig
drivers/android/binder.c
drivers/char/adsprpc.c
drivers/cpuidle/lpm-levels.c
drivers/input/keydebug-core.c
drivers/input/keydebug-func.c
drivers/media/platform/msm/vidc/msm_vidc_common.c
drivers/power/supply/overheat_mitigation.c
drivers/staging/android/ion/ion.c
fs/f2fs/data.c
fs/f2fs/segment.c
fs/f2fs/super.c
fs/overlayfs/super.c
include/linux/mm_event.h
include/trace/events/mm_event.h
include/uapi/linux/android/binder.h
mm/Kconfig
mm/filemap.c
mm/mm_event.c
Bug: 119540871
Change-Id: Ib26a8b09fdd5736165737d41d97148b6507b4e50
Signed-off-by: Robin Peng <robinpeng@google.com>
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By default, all access to the upper, lower and work directories is the
recorded mounter's MAC and DAC credentials. The incoming accesses are
checked against the caller's credentials.
If the principles of least privilege are applied, the mounter's
credentials might not overlap the credentials of the caller's when
accessing the overlayfs filesystem. For example, a file that a lower
DAC privileged caller can execute, is MAC denied to the generally
higher DAC privileged mounter, to prevent an attack vector.
We add the option to turn off override_creds in the mount options; all
subsequent operations after mount on the filesystem will be only the
caller's credentials. The module boolean parameter and mount option
override_creds is also added as a presence check for this "feature",
existence of /sys/module/overlay/parameters/override_creds.
It was not always this way. Circa 4.6 there was no recorded mounter's
credentials, instead privileged access to upper or work directories
were temporarily increased to perform the operations. The MAC
(selinux) policies were caller's in all cases. override_creds=off
partially returns us to this older access model minus the insecure
temporary credential increases. This is to permit use in a system
with non-overlapping security models for each executable including
the agent that mounts the overlayfs filesystem. In Android
this is the case since init, which performs the mount operations,
has a minimal MAC set of privileges to reduce any attack surface,
and services that use the content have a different set of MAC
privileges (eg: read, for vendor labelled configuration, execute for
vendor libraries and modules). The caveats are not a problem in
the Android usage model, however they should be fixed for
completeness and for general use in time.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: linux-unionfs@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com
(cherry picked from commit https://lore.kernel.org/patchwork/patch/1009299/)
Bug: 109821005
Bug: 119115481
Change-Id: I74ce61c8780a2431ffaed8247795c3dd07de99e6
Signed-off-by: Hridya Valsaraju <hridya@google.com>
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This reverts commit c16d27ebb94346d08c441e70f77e52b2ed4a758a.
Resolves conflicts with a later CL,
commit a4842a18697e ("fscrypt: log the crypto algorithm implementations").
Also leaves the include/uapi/linux/fs.h constants in place to prevent
future accidental re-use.
Bug: 116008047
Change-Id: I2d64d8d3e384400b7bdfc06a353c3844d4ebb377
Signed-off-by: Alistair Strachan <astrachan@google.com>
|
