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https://android.googlesource.com/kernel/common into android-msm-pixel-4.9
* 'android-4.9-q' of https://android.googlesource.com/kernel/common:
UPSTREAM: ipv6: raw: Deduct extension header length in rawv6_push_pending_frames
UPSTREAM: netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function.
Linux 4.9.337
ext4: initialize quota before expanding inode in setproject ioctl
ext4: avoid BUG_ON when creating xattrs
ext4: fix error code return to user-space in ext4_get_branch()
ext4: init quota for 'old.inode' in 'ext4_rename'
ext4: fix bug_on in __es_tree_search caused by bad boot loader inode
ext4: fix undefined behavior in bit shift for ext4_check_flag_values
ext4: add inode table check in __ext4_get_inode_loc to aovid possible infinite loop
drm/vmwgfx: Validate the box size for the snooped cursor
drm/connector: send hotplug uevent on connector cleanup
device_cgroup: Roll back to original exceptions after copy failure
parisc: led: Fix potential null-ptr-deref in start_task()
iommu/amd: Fix ivrs_acpihid cmdline parsing code
crypto: n2 - add missing hash statesize
PCI/sysfs: Fix double free in error path
cifs: fix confusing debug message
media: dvb-core: Fix double free in dvb_register_device()
ARM: 9256/1: NWFPE: avoid compiler-generated __aeabi_uldivmod
tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
dm cache: set needs_check flag after aborting metadata
dm cache: Fix UAF in destroy()
dm thin: Fix UAF in run_timer_softirq()
dm thin: Use last transaction's pmd->root when commit failed
dm cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata_abort
ARM: ux500: do not directly dereference __iomem
ktest.pl minconfig: Unset configs instead of just removing them
media: stv0288: use explicitly signed char
mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING
md: fix a crash in mempool_free
pnode: terminate at peers of source
ALSA: line6: fix stack overflow in line6_midi_transmit
ALSA: line6: correct midi status byte when receiving data from podxt
hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
HID: plantronics: Additional PIDs for double volume key presses quirk
powerpc/rtas: avoid scheduling in rtas_os_term()
gcov: add support for checksum field
iio: adc: ad_sigma_delta: do not use internal iio_dev lock
reiserfs: Add missing calls to reiserfs_security_free()
HID: wacom: Ensure bootloader PID is usable in hidraw mode
ASoC: rt5670: Remove unbalanced pm_runtime_put()
ASoC: rockchip: spdif: Add missing clk_disable_unprepare() in rk_spdif_runtime_resume()
ASoC: wm8994: Fix potential deadlock
ASoC: mediatek: mt8173-rt5650-rt5514: fix refcount leak in mt8173_rt5650_rt5514_dev_probe()
orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
drm/sti: Fix return type of sti_{dvo,hda,hdmi}_connector_mode_valid()
drm/fsl-dcu: Fix return type of fsl_dcu_drm_connector_mode_valid()
clk: st: Fix memory leak in st_of_quadfs_setup()
media: si470x: Fix use-after-free in si470x_int_in_callback()
mmc: f-sdh30: Add quirks for broken timeout clock capability
blk-mq: fix possible memleak when register 'hctx' failed
media: dvb-usb: fix memory leak in dvb_usb_adapter_init()
media: dvb-frontends: fix leak of memory fw
ppp: associate skb with a device at tx
mrp: introduce active flags to prevent UAF when applicant uninit
md/raid1: stop mdx_raid1 thread when raid1 array run failed
drm/sti: Use drm_mode_copy()
s390/lcs: Fix return type of lcs_start_xmit()
s390/netiucv: Fix return type of netiucv_tx()
s390/ctcm: Fix return type of ctc{mp,}m_tx()
igb: Do not free q_vector unless new one was allocated
wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request()
hamradio: baycom_epp: Fix return type of baycom_send_packet()
net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()
ipmi: fix memleak when unload ipmi driver
wifi: ar5523: Fix use-after-free on ar5523_cmd() timed out
wifi: ath9k: verify the expected usb_endpoints are present
hfs: fix OOB Read in __hfs_brec_find
acct: fix potential integer overflow in encode_comp_t()
nilfs2: fix shift-out-of-bounds/overflow in nilfs_sb2_bad_offset()
ACPICA: Fix error code path in acpi_ds_call_control_method()
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
udf: Avoid double brelse() in udf_rename()
fs: jfs: fix shift-out-of-bounds in dbAllocAG
binfmt_misc: fix shift-out-of-bounds in check_special_flags
net: stream: purge sk_error_queue in sk_stream_kill_queues()
myri10ge: Fix an error handling path in myri10ge_probe()
net_sched: reject TCF_EM_SIMPLE case for complex ematch module
skbuff: Account for tail adjustment during pull operations
openvswitch: Fix flow lookup to use unmasked key
r6040: Fix kmemleak in probe and remove
nfc: pn533: Clear nfc_target before being used
mISDN: hfcmulti: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
mISDN: hfcpci: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
mISDN: hfcsusb: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
rtc: st-lpc: Add missing clk_disable_unprepare in st_rtc_probe()
selftests/powerpc: Fix resource leaks
powerpc/hv-gpci: Fix hv_gpci event list
powerpc/83xx/mpc832x_rdb: call platform_device_put() in error case in of_fsl_spi_probe()
powerpc/perf: callchain validate kernel stack pointer bounds
powerpc/52xx: Fix a resource leak in an error handling path
macintosh/macio-adb: check the return value of ioremap()
macintosh: fix possible memory leak in macio_add_one_device()
iommu/fsl_pamu: Fix resource leak in fsl_pamu_probe()
rtc: snvs: Allow a time difference on clock register read
include/uapi/linux/swab: Fix potentially missing __always_inline
HSI: omap_ssi_core: Fix error handling in ssi_init()
power: supply: fix residue sysfs file in error handle route of __power_supply_register()
HSI: omap_ssi_core: fix possible memory leak in ssi_probe()
HSI: omap_ssi_core: fix unbalanced pm_runtime_disable()
fbdev: uvesafb: Fixes an error handling path in uvesafb_probe()
fbdev: vermilion: decrease reference count in error path
fbdev: via: Fix error in via_core_init()
fbdev: pm2fb: fix missing pci_disable_device()
fbdev: ssd1307fb: Drop optional dependency
usb: storage: Add check for kcalloc
i2c: ismt: Fix an out-of-bounds bug in ismt_access()
vme: Fix error not catched in fake_init()
staging: rtl8192e: Fix potential use-after-free in rtllib_rx_Monitor()
staging: rtl8192u: Fix use after free in ieee80211_rx()
i2c: pxa-pci: fix missing pci_disable_device() on error in ce4100_i2c_probe
chardev: fix error handling in cdev_device_add()
mcb: mcb-parse: fix error handing in chameleon_parse_gdd()
drivers: mcb: fix resource leak in mcb_probe()
cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()
cxl: fix possible null-ptr-deref in cxl_guest_init_afu|adapter()
misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os
misc: tifm: fix possible memory leak in tifm_7xx1_switch_media()
serial: sunsab: Fix error handling in sunsab_init()
serial: pch: Fix PCI device refcount leak in pch_request_dma()
serial: amba-pl011: avoid SBSA UART accessing DMACR register
staging: vme_user: Fix possible UAF in tsi148_dma_list_add
usb: fotg210-udc: Fix ages old endianness issues
uio: uio_dmem_genirq: Fix deadlock between irq config and handling
uio: uio_dmem_genirq: Fix missing unlock in irq configuration
vfio: platform: Do not pass return buffer to ACPI _RST method
drivers: dio: fix possible memory leak in dio_init()
IB/IPoIB: Fix queue count inconsistency for PKEY child interfaces
hwrng: geode - Fix PCI device refcount leak
hwrng: amd - Fix PCI device refcount leak
crypto: img-hash - Fix variable dereferenced before check 'hdev->req'
orangefs: Fix sysfs not cleanup when dev init failed
scsi: snic: Fix possible UAF in snic_tgt_create()
scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails
scsi: ipr: Fix WARNING in ipr_init()
scsi: fcoe: Fix possible name leak when device_register() fails
scsi: hpsa: Fix possible memory leak in hpsa_add_sas_device()
scsi: hpsa: Fix error handling in hpsa_add_sas_host()
stmmac: fix potential division by 0
Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave()
Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
ntb_netdev: Use dev_kfree_skb_any() in interrupt context
net: amd: lance: don't call dev_kfree_skb() under spin_lock_irqsave()
hamradio: don't call dev_kfree_skb() under spin_lock_irqsave()
net: ethernet: dnet: don't call dev_kfree_skb() under spin_lock_irqsave()
net: emaclite: don't call dev_kfree_skb() under spin_lock_irqsave()
net: apple: bmac: don't call dev_kfree_skb() under spin_lock_irqsave()
net: apple: mace: don't call dev_kfree_skb() under spin_lock_irqsave()
net/tunnel: wait until all sk_user_data reader finish before releasing the sock
net: farsync: Fix kmemleak when rmmods farsync
ethernet: s2io: don't call dev_kfree_skb() under spin_lock_irqsave()
drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init()
net: defxx: Fix missing err handling in dfx_init()
net: vmw_vsock: vmci: Check memcpy_from_msg()
blktrace: Fix output non-blktrace event when blk_classic option enabled
wifi: brcmfmac: Fix error return code in brcmf_sdio_download_firmware()
wifi: rtl8xxxu: Add __packed to struct rtl8723bu_c2h
media: coda: Add check for kmalloc
media: coda: Add check for dcoda_iram_alloc
media: c8sectpfe: Add of_node_put() when breaking out of loop
mmc: mmci: fix return value check of mmc_add_host()
mmc: wbsd: fix return value check of mmc_add_host()
mmc: via-sdmmc: fix return value check of mmc_add_host()
mmc: vub300: fix return value check of mmc_add_host()
mmc: toshsd: fix return value check of mmc_add_host()
mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host()
mmc: mxcmmc: fix return value check of mmc_add_host()
mmc: moxart: fix return value check of mmc_add_host()
SUNRPC: Fix missing release socket in rpc_sockname()
ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt
media: saa7164: fix missing pci_disable_device()
regulator: core: fix module refcount leak in set_supply()
bonding: uninitialized variable in bond_miimon_inspect()
ASoC: pcm512x: Fix PM disable depth imbalance in pcm512x_probe
drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios()
drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()
ALSA: asihpi: fix missing pci_disable_device()
NFSv4: Fix a deadlock between nfs4_open_recover_helper() and delegreturn
NFSv4.2: Fix a memory stomp in decode_attr_security_label
media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()
pinctrl: pinconf-generic: add missing of_node_put()
media: imon: fix a race condition in send_packet()
mtd: maps: pxa2xx-flash: fix memory leak in probe
clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
ALSA: seq: fix undefined behavior in bit shift for SNDRV_SEQ_FILTER_USE_EVENT
HID: hid-sensor-custom: set fixed size for custom attributes
media: platform: exynos4-is: Fix error handling in fimc_md_init()
media: solo6x10: fix possible memory leak in solo_sysfs_init()
Input: elants_i2c - properly handle the reset GPIO when power is off
mtd: lpddr2_nvm: Fix possible null-ptr-deref
wifi: ath10k: Fix return value in ath10k_pci_init()
ima: Fix misuse of dereference of pointer in template_desc_init_fields()
regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()
ASoC: pxa: fix null-pointer dereference in filter()
mtd: Fix device name leak when register device failed in add_mtd_device()
media: vivid: fix compose size exceed boundary
media: i2c: ad5820: Fix error path
wifi: ath9k: hif_usb: Fix use-after-free in ath9k_hif_usb_reg_in_cb()
wifi: ath9k: hif_usb: fix memory leak of urbs in ath9k_hif_usb_dealloc_tx_urbs()
rapidio: devices: fix missing put_device in mport_cdev_open
hfs: Fix OOB Write in hfs_asc2mac
eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
rapidio: fix possible UAF when kfifo_alloc() fails
fs: sysv: Fix sysv_nblocks() returns wrong value
MIPS: BCM63xx: Add check for NULL for clk in clk_enable
x86/xen: Fix memory leak in xen_init_lock_cpu()
uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
rapidio: rio: fix possible name leak in rio_register_mport()
rapidio: fix possible name leaks when rio_add_device() fails
lib/notifier-error-inject: fix error when writing -errno to debugfs file
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
irqchip: gic-pm: Use pm_runtime_resume_and_get() in gic_probe()
PNP: fix name memory leak in pnp_alloc_dev()
MIPS: vpe-cmp: fix possible memory leak while module exiting
MIPS: vpe-mt: fix possible memory leak while module exiting
ocfs2: fix memory leak in ocfs2_stack_glue_init()
timerqueue: Use rb_entry_safe() in timerqueue_getnext()
perf: Fix possible memleak in pmu_dev_alloc()
fs: don't audit the capability check in simple_xattr_list()
PM: hibernate: Fix mistake in kerneldoc comment
alpha: fix syscall entry in !AUDUT_SYSCALL case
cpuidle: dt: Return the correct numbers of parsed idle states
pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP
ARM: mmp: fix timer_read delay
ARM: dts: armada-39x: Fix assigned-addresses for every PCIe Root Port
ARM: dts: armada-38x: Fix assigned-addresses for every PCIe Root Port
ARM: dts: armada-375: Fix assigned-addresses for every PCIe Root Port
ARM: dts: armada-xp: Fix assigned-addresses for every PCIe Root Port
ARM: dts: armada-370: Fix assigned-addresses for every PCIe Root Port
ARM: dts: dove: Fix assigned-addresses for every PCIe Root Port
soc: ti: smartreflex: Fix PM disable depth imbalance in omap_sr_probe
arm: dts: spear600: Fix clcd interrupt
drivers: soc: ti: knav_qmss_queue: Mark knav_acc_firmwares as static
net: loopback: use NET_NAME_PREDICTABLE for name_assign_type
Bluetooth: L2CAP: Fix u8 overflow
USB: serial: cp210x: add Kamstrup RF sniffer PIDs
usb: gadget: uvc: Prevent buffer overflow in setup handler
udf: Fix extending file within last block
udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size
udf: Fix preallocation discarding at indirect extent boundary
udf: Drop unused arguments of udf_delete_aext()
udf: Discard preallocation before extending file with a hole
ASoC: ops: Correct bounds check for second channel on SX controls
can: sja1000: fix size of OCR_MODE_MASK define
ASoC: ops: Check bounds for second channel in snd_soc_put_volsw_sx()
block: unhash blkdev part inode when the part is deleted
mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths
mm/khugepaged: fix GUP-fast interaction by sending IPI
Change-Id: I64c8371e754e29bd7633756d85a5e8d5721939b6
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commit e96b95c2b7a63a454b6498e2df67aac14d046d13 upstream.
In GCC version 12.1 a checksum field was added.
This patch fixes a kernel crash occurring during boot when using
gcov-kernel with GCC version 12.2. The crash occurred on a system running
on i.MX6SX.
Link: https://lkml.kernel.org/r/20221220102318.3418501-1-rickaran@axis.com
Fixes: 977ef30a7d88 ("gcov: support GCC 12.1 and newer compilers")
Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Tested-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Martin Liska <mliska@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* common/android-4.9-q:
Linux 4.9.332
can: rcar_canfd: rcar_canfd_handle_global_receive(): fix IRQ storm on global FIFO receive
net: ehea: fix possible memory leak in ehea_register_port()
openvswitch: switch from WARN to pr_warn
ALSA: aoa: Fix I2S device accounting
ALSA: aoa: i2sbus: fix possible memory leak in i2sbus_add_dev()
net: ksz884x: fix missing pci_disable_device() on error in pcidev_init()
i40e: Fix ethtool rx-flow-hash setting for X722
media: videodev2.h: V4L2_DV_BT_BLANKING_HEIGHT should check 'interlaced'
media: v4l2-dv-timings: add sanity checks for blanking values
media: vivid: dev->bitmap_cap wasn't freed in all cases
media: vivid: s_fbuf: add more sanity checks
can: mscan: mpc5xxx: mpc5xxx_can_probe(): add missing put_clock() in error path
tcp: fix indefinite deferral of RTO with SACK reneging
net: lantiq_etop: don't free skb when returning NETDEV_TX_BUSY
kcm: annotate data-races around kcm->rx_wait
kcm: annotate data-races around kcm->rx_psock
ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()
arc: iounmap() arg is volatile
drm/msm: Fix return type of mdp4_lvds_connector_mode_valid
net: ieee802154: fix error return code in dgram_bind()
mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages
xen/gntdev: Prevent leaking grants
Xen/gntdev: don't ignore kernel unmapping error
s390/futex: add missing EX_TABLE entry to __futex_atomic_op()
kernfs: fix use-after-free in __kernfs_remove
mmc: core: Fix kernel panic when remove non-standard SDIO card
drm/msm/hdmi: fix memory corruption with too many bridges
mac802154: Fix LQI recording
fbdev: smscufx: Fix several use-after-free bugs
tools: iio: iio_utils: fix digit calculation
xhci: Remove device endpoints from bandwidth list when freeing the device
usb: bdc: change state when port disconnected
USB: add RESET_RESUME quirk for NVIDIA Jetson devices in RCM
ALSA: au88x0: use explicitly signed char
ALSA: Use del_timer_sync() before freeing timer
ACPI: video: Force backlight native for more TongFang devices
net: hns: fix possible memory leak in hnae_ae_register()
net/atm: fix proc_mpc_write incorrect return value
HID: magicmouse: Do not set BTN_MOUSE on double report
arm64: errata: Remove AES hwcap for COMPAT tasks
ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
ata: ahci-imx: Fix MODULE_ALIAS
ocfs2: fix BUG when iput after ocfs2_mknod fails
ocfs2: clear dinode links count in case of error
Linux 4.9.331
gcov: support GCC 12.1 and newer compilers
thermal: intel_powerclamp: Use first online CPU as control_cpu
inet: fully convert sk->sk_rx_dst to RCU rules
ext4: continue to expand file system when the target size doesn't reach
net/ieee802154: don't warn zero-sized raw_sendmsg()
net: ieee802154: return -EINVAL for unknown addr type
perf intel-pt: Fix segfault in intel_pt_print_info() with uClibc
usb: idmouse: fix an uninit-value in idmouse_open
Revert "usb: storage: Add quirk for Samsung Fit flash"
usb: musb: Fix musb_gadget.c rxstate overflow bug
usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()
HID: roccat: Fix use-after-free in roccat_read()
scsi: 3w-9xxx: Avoid disabling device if failing to enable it
media: cx88: Fix a null-ptr-deref bug in buffer_prepare()
ARM: dts: imx6sl: add missing properties for sram
ARM: dts: imx6qp: add missing properties for sram
ARM: dts: imx6dl: add missing properties for sram
ARM: dts: imx6q: add missing properties for sram
ARM: dts: imx7d-sdb: config the max pressure for tsc2046
drm/amdgpu: fix initial connector audio value
platform/x86: msi-laptop: Change DMI match / alias strings to fix module autoloading
drm: Prevent drm_copy_field() to attempt copying a NULL pointer
drm: Use size_t type for len variable in drm_copy_field()
r8152: Rate limit overflow messages
Bluetooth: L2CAP: Fix user-after-free
wifi: rt2x00: don't run Rt5592 IQ calibration on MT7620
can: bcm: check the result of can_send() in bcm_can_tx()
Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times
Bluetooth: L2CAP: initialize delayed works at l2cap_chan_create()
xfrm: Update ipcomp_scratches with NULL when freed
tcp: annotate data-race around tcp_md5sig_pool_populated
openvswitch: Fix overreporting of drops in dropwatch
openvswitch: Fix double reporting of drops in dropwatch
thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
powercap: intel_rapl: fix UBSAN shift-out-of-bounds issue
MIPS: BCM47XX: Cast memcmp() of function to (void *)
ACPI: video: Add Toshiba Satellite/Portege Z830 quirk
f2fs: fix race condition on setting FI_NO_EXTENT flag
iommu/omap: Fix buffer overflow in debugfs
powerpc: Fix SPE Power ISA properties for e500v1 platforms
powerpc/pci_dn: Add missing of_node_put()
powerpc/math_emu/efp: Include module.h
clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
clk: bcm2835: fix bcm2835_clock_rate_from_divisor declaration
dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup()
mfd: sm501: Add check for platform_driver_register()
mfd: lp8788: Fix an error handling path in lp8788_irq_init() and lp8788_irq_init()
mfd: lp8788: Fix an error handling path in lp8788_probe()
mfd: intel_soc_pmic: Fix an error handling path in intel_soc_pmic_i2c_probe()
serial: 8250: Fix restoring termios speed after suspend
firmware: google: Test spinlock on panic path to avoid lockups
drivers: serial: jsm: fix some leaks in probe
ata: fix ata_id_has_dipm()
ata: fix ata_id_has_ncq_autosense()
ata: fix ata_id_has_devslp()
ata: fix ata_id_sense_reporting_enabled() and ata_id_has_sense_reporting()
dyndbg: let query-modname override actual module name
dyndbg: fix module.dyndbg handling
RDMA/rxe: Fix the error caused by qp->sk
RDMA/rxe: Fix "kernel NULL pointer dereference" error
media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
tty: xilinx_uartps: Fix the ignore_status
media: exynos4-is: fimc-is: Add of_node_put() when breaking out of loop
HSI: omap_ssi_port: Fix dma_map_sg error check
HSI: omap_ssi: Fix refcount leak in ssi_probe
clk: tegra20: Fix refcount leak in tegra20_clock_init
clk: tegra: Fix refcount leak in tegra114_clock_init
clk: tegra: Fix refcount leak in tegra210_clock_init
iio: ABI: Fix wrong format of differential capacitance channel ABI.
iio: inkern: only release the device node when done with it
iio: adc: at91-sama5d2_adc: fix AT91_SAMA5D2_MR_TRACKTIM_MAX
ARM: dts: exynos: fix polarity of VBUS GPIO of Origen
ARM: Drop CMDLINE_* dependency on ATAGS
ARM: dts: kirkwood: lsxl: remove first ethernet port
ARM: dts: kirkwood: lsxl: fix serial line
soc: qcom: smem_state: Add refcounting for the 'state->of_node'
soc: qcom: smsm: Fix refcount leak bugs in qcom_smsm_probe()
memory: of: Fix refcount leak bug in of_get_ddr_timings()
ALSA: dmaengine: increment buffer pointer atomically
ASoC: eureka-tlv320: Hold reference returned from of_find_xxx API
mmc: au1xmmc: Fix an error handling path in au1xmmc_probe()
platform/x86: msi-laptop: Fix old-ec check for backlight registering
drm/mipi-dsi: Detach devices when removing the host
bnx2x: fix potential memory leak in bnx2x_tpa_stop()
net: rds: don't hold sock lock when cancelling work from rds_tcp_reset_callbacks()
tcp: fix tcp_cwnd_validate() to not forget is_cwnd_limited
mISDN: fix use-after-free bugs in l1oip timer handlers
spi/omap100k:Fix PM disable depth imbalance in omap1_spi100k_probe
net: fs_enet: Fix wrong check in do_pd_setup
wifi: rtl8xxxu: gen2: Fix mistake in path B IQ calibration
spi: qup: add missing clk_disable_unprepare on error in spi_qup_pm_resume_runtime()
spi: qup: add missing clk_disable_unprepare on error in spi_qup_resume()
wifi: rtl8xxxu: tighten bounds checking in rtl8xxxu_read_efuse()
wifi: mac80211: allow bw change during channel switch in mesh
wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()
sh: machvec: Use char[] for section boundaries
selinux: use "grep -E" instead of "egrep"
KVM: x86/emulator: Fix handing of POP SS to correctly set interruptibility
ring-buffer: Fix race between reset page and reading page
ring-buffer: Check pending waiters when doing wake ups as well
ring-buffer: Allow splice to read previous partially read pages
ext4: place buffer head allocation before handle start
ext4: make ext4_lazyinit_thread freezable
ext4: fix null-ptr-deref in ext4_write_info
ext4: avoid crash when inline data creation follows DIO write
nilfs2: fix use-after-free bug of struct nilfs_root
fbdev: smscufx: Fix use-after-free in ufx_ops_open()
PCI: Sanitise firmware BAR assignments behind a PCI-PCI bridge
UM: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
parisc: fbdev/stifb: Align graphics memory size to 4MB
regulator: qcom_rpm: Fix circular deferral regression
quota: Check next/prev free block number after reading from quota file
fs: dlm: handle -EBUSY first in lock arg validation
fs: dlm: fix race between test_bit() and queue_work()
iio: dac: ad5593r: Fix i2c read protocol requirements
ALSA: usb-audio: Fix NULL dererence at error path
ALSA: usb-audio: Fix potential memory leaks
ALSA: rawmidi: Drop register_mutex in snd_rawmidi_free()
ALSA: oss: Fix potential deadlock at unregistration
random: use expired timer rather than wq for mixing fast pool
Input: xpad - fix wireless 360 controller breaking after suspend
Input: xpad - add supported devices as contributed on github
random: restore O_NONBLOCK support
wifi: mac80211_hwsim: avoid mac80211 warning on bad rate
random: avoid reading two cache lines on irq randomness
USB: serial: qcserial: add new usb-id for Dell branded EM7455
scsi: stex: Properly zero out the passthrough command structure
ALSA: hda: Fix position reporting on Poulsbo
random: clamp credited irq bits to maximum mixed
ceph: don't truncate file in atomic_open
nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
nilfs2: fix leak of nilfs_root in case of writer thread creation failure
nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()
USB: serial: ftdi_sio: fix 300 bps rate for SIO
usb: mon: make mmapped memory read only
um: Cleanup compiler warning in arch/x86/um/tls_32.c
um: Cleanup syscall_handler_t cast in syscalls_32.h
net/ieee802154: fix uninit value bug in dgram_sendmsg
ARM: dts: fix Moxa SDIO 'compatible', remove 'sdhci' misnomer
dmaengine: xilinx_dma: Report error in case of dma_set_mask_and_coherent API failure
dmaengine: xilinx_dma: cleanup for fetching xlnx,num-fstores property
fs: fix UAF/GPF bug in nilfs_mdt_destroy
ARM: fix function graph tracer and unwinder dependencies
Makefile.extrawarn: Move -Wcast-function-type-strict to W=1
clk: iproc: Do not rely on node name for correct PLL setup
clk: iproc: Minor tidy up of iproc pll data structures
selftests: Fix the if conditions of in test_extra_filter()
nvme: Fix IOC_PR_CLEAR and IOC_PR_RELEASE ioctls for nvme devices
nvme: add new line after variable declatation
usbnet: Fix memory leak in usbnet_disconnect()
Input: melfas_mip4 - fix return value check in mip4_probe()
Revert "drm: bridge: analogix/dp: add panel prepare/unprepare in suspend/resume time"
mm: prevent page_frag_alloc() from corrupting the memory
mmc: moxart: fix 4-bit bus width and remove 8-bit bus width
ntfs: fix BUG_ON in ntfs_lookup_inode_by_name()
net: usb: qmi_wwan: Add new usb-id for Dell branded EM7455
uas: ignore UAS for Thinkplus chips
usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS
uas: add no-uas quirk for Hiksemi usb_disk
Conflicts:
net/ipv4/udp.c
Change-Id: Iaca1b0be9e0b4d12ab4f9d08219668a25c130123
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commit 977ef30a7d888eeb52fb6908f99080f33e5309a8 upstream.
Starting with GCC 12.1, the created .gcda format can't be read by gcov
tool. There are 2 significant changes to the .gcda file format that
need to be supported:
a) [gcov: Use system IO buffering]
(23eb66d1d46a34cb28c4acbdf8a1deb80a7c5a05) changed that all sizes in
the format are in bytes and not in words (4B)
b) [gcov: make profile merging smarter]
(72e0c742bd01f8e7e6dcca64042b9ad7e75979de) add a new checksum to the
file header.
Tested with GCC 7.5, 10.4, 12.2 and the current master.
Link: https://lkml.kernel.org/r/624bda92-f307-30e9-9aaa-8cc678b2dfb2@suse.cz
Signed-off-by: Martin Liska <mliska@suse.cz>
Tested-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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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[ Upstream commit 40249c6962075c040fd071339acae524f18bfac9 ]
Using gcov to collect coverage data for kernels compiled with GCC 10.1
causes random malfunctions and kernel crashes. This is the result of a
changed GCOV_COUNTERS value in GCC 10.1 that causes a mismatch between
the layout of the gcov_info structure created by GCC profiling code and
the related structure used by the kernel.
Fix this by updating the in-kernel GCOV_COUNTERS value. Also re-enable
config GCOV_KERNEL for use with GCC 10.
Reported-by: Colin Ian King <colin.king@canonical.com>
Reported-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Tested-by: Leon Romanovsky <leonro@nvidia.com>
Tested-and-Acked-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cfc905f158eaa099d6258031614d11869e7ef71c ]
GCOV built with GCC 10 doesn't initialize n_function variable. This
produces different kernel panics as was seen by Colin in Ubuntu and me
in FC 32.
As a workaround, let's disable GCOV build for broken GCC 10 version.
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891288
Link: https://lore.kernel.org/lkml/20200827133932.3338519-1-leon@kernel.org
Link: https://lore.kernel.org/lkml/CAHk-=whbijeSdSvx-Xcr0DPMj0BiwhJ+uiNnDSVZcr_h_kg7UA@mail.gmail.com/
Cc: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Merge 4.9.223 into android-4.9-q
Linux 4.9.223
* mac80211: add ieee80211_is_any_nullfunc()
include/linux/ieee80211.h
ALSA: hda: Match both PCI ID and SSID for driver blacklist
sctp: Fix SHUTDOWN CTSN Ack in the peer restart case
MIPS: perf: Remove incorrect odd/even counter handling for I6400
xprtrdma: Fix backchannel allocation of extra rpcrdma_reps
net: systemport: suppress warnings on failed Rx SKB allocations
net: bcmgenet: suppress warnings on failed Rx SKB allocations
* lib/mpi: Fix building for powerpc with clang
lib/mpi/longlong.h
net: dsa: b53: Rework ARL bin logic
scripts/config: allow colons in option strings for sed
cifs: protect updating server->dstaddr with a spinlock
net: stmmac: Fix sub-second increment
wimax/i2400m: Fix potential urb refcnt leak
ASoC: sgtl5000: Fix VAG power-on handling
selftests/ipc: Fix test failure seen after initial test run
iio:ad7797: Use correct attribute_group
powerpc/pci/of: Parse unassigned resources
vhost: vsock: kick send_pkt worker once device is started
Merge 4.9.222 into android-4.9-q
Linux 4.9.222
drm/qxl: qxl_release use after free
* selinux: properly handle multiple messages in selinux_netlink_send()
security/selinux/hooks.c
dmaengine: dmatest: Fix iteration non-stop logic
nfs: Fix potential posix_acl refcnt leak in nfs3_set_acl
ALSA: opti9xx: shut up gcc-10 range warning
iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system
vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn()
RDMA/mlx4: Initialize ib_spec on the stack
* dm verity fec: fix hash block number in verity_fec_decode
drivers/md/dm-verity-fec.c
PM: hibernate: Freeze kernel threads in software_resume()
PM: ACPI: Output correct message on target power state
ALSA: pcm: oss: Place the plugin buffer overflow checks correctly
ALSA: hda/hdmi: fix without unlocked before return
btrfs: fix block group leak when removing fails
drm/qxl: qxl_release leak in qxl_hw_surface_alloc()
drm/qxl: qxl_release leak in qxl_draw_dirty_fb()
* drm/edid: Fix off-by-one in DispID DTD pixel clock
drivers/gpu/drm/drm_edid.c
* ext4: fix special inode number checks in __ext4_iget()
fs/ext4/inode.c
Merge 4.9.221 into android-4.9-q
ANDROID: cuttlefish_defconfig: Fix dm-verity related options
Linux 4.9.221
* propagate_one(): mnt_set_mountpoint() needs mount_lock
fs/pnode.c
* ext4: check for non-zero journal inum in ext4_calculate_overhead
fs/ext4/super.c
* ext4: unsigned int compared against zero
fs/ext4/block_validity.c
* ext4: fix block validity checks for journal inodes using indirect blocks
fs/ext4/block_validity.c
* ext4: don't perform block validity checks on the journal inode
fs/ext4/extents.c
* ext4: protect journal inode's blocks using block_validity
fs/ext4/block_validity.c
fs/ext4/inode.c
* ext4: avoid declaring fs inconsistent due to invalid file handles
fs/ext4/ext4.h
fs/ext4/ialloc.c
fs/ext4/inode.c
fs/ext4/ioctl.c
fs/ext4/namei.c
fs/ext4/resize.c
fs/ext4/super.c
hwmon: (jc42) Fix name to have no illegal characters
* ext4: convert BUG_ON's to WARN_ON's in mballoc.c
fs/ext4/mballoc.c
xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
objtool: Support Clang non-section symbols in ORC dump
objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings
scsi: target: fix PR IN / READ FULL STATUS for FC
xfs: fix partially uninitialized structure in xfs_reflink_remap_extent
bpf, x86: Fix encoding for lower 8-bit registers in BPF_STX BPF_B
* perf/core: fix parent pid/tid in task exit events
kernel/events/core.c
net/cxgb4: Check the return from t4_query_params properly
nfsd: memory corruption in nfsd4_lock()
usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete
mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer
* fuse: fix possibly missed wake-up after abort
fs/fuse/dev.c
remoteproc: Fix wrong rvring index computation
* usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset()
drivers/usb/gadget/function/f_fs.c
UAS: fix deadlock in error handling and PM flushing work
UAS: no use logging any details in case of ENODEV
staging: vt6656: Power save stop wake_up_count wrap around.
staging: vt6656: Fix drivers TBTT timing counter.
staging: comedi: Fix comedi_device refcnt leak in comedi_open
staging: comedi: dt2815: fix writing hi byte of analog output
ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
* ASoC: dapm: fixup dapm kcontrol widget
sound/soc/soc-dapm.c
* audit: check the length of userspace generated audit records
kernel/audit.c
* usb-storage: Add unusual_devs entry for JMicron JMS566
drivers/usb/storage/unusual_devs.h
tty: rocket, avoid OOB access
tty: hvc: fix buffer overflow during hvc_alloc().
KVM: VMX: Enable machine check support for 32bit targets
* KVM: Check validity of resolved slot when searching memslots
include/linux/kvm_host.h
tpm/tpm_tis: Free IRQ if probing fails
* ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
sound/usb/format.c
* ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
sound/usb/mixer_quirks.c
ALSA: usx2y: Fix potential NULL dereference
* vmalloc: fix remap_vmalloc_range() bounds checks
include/linux/vmalloc.h
mm/vmalloc.c
* overflow.h: Add arithmetic shift helper
include/linux/overflow.h
* USB: hub: Fix handling of connect changes during sleep
drivers/usb/core/hub.c
* USB: core: Fix free-while-in-use bug in the USB S-Glibrary
drivers/usb/core/message.c
* USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE
drivers/usb/core/quirks.c
USB: sisusbvga: Change port variable from signed to unsigned
* fs/namespace.c: fix mountpoint reference counter race
fs/namespace.c
iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
iio: xilinx-xadc: Fix ADC-B powerdown
ALSA: hda: Remove ASUS ROG Zenith from the blacklist
* xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
net/ipv4/xfrm4_output.c
net/ipv6/xfrm6_output.c
net: dsa: b53: Fix ARL register definitions
team: fix hang in team_mode_get()
* tcp: cache line align MAX_TCP_HEADER
include/net/tcp.h
net/x25: Fix x25_neigh refcnt leak when receiving frame
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
macvlan: fix null dereference in macvlan_device_event()
macsec: avoid to set wrong mtu
* ipv6: fix restrict IPV6_ADDRFORM operation
net/ipv6/ipv6_sockglue.c
PCI/ASPM: Allow re-enabling Clock PM
pwm: bcm2835: Dynamically allocate base
pwm: renesas-tpu: Fix late Runtime PM enablement
s390/cio: avoid duplicated 'ADD' uevents
ipc/util.c: sysvipc_find_ipc() should increase position index
kernel/gcov/fs.c: gcov_seq_next() should increase position index
ASoC: Intel: atom: Take the drv->lock mutex before calling sst_send_slot_map()
scsi: iscsi: Report unbind session event when the target has been removed
pwm: rcar: Fix late Runtime PM enablement
ceph: don't skip updating wanted caps when cap is stale
ceph: return ceph_mdsc_do_request() errors from __get_parent()
scsi: lpfc: Fix kasan slab-out-of-bounds error in lpfc_unreg_login
* watchdog: reset last_hw_keepalive time at start
drivers/watchdog/watchdog_dev.c
* vti4: removed duplicate log message.
net/ipv4/ip_vti.c
crypto: mxs-dcp - make symbols 'sha1_null_hash' and 'sha256_null_hash' static
* drm/msm: Use the correct dma_sync calls harder
drivers/gpu/drm/msm/msm_gem.c
* net: ipv4: avoid unused variable warning for sysctl
net/ipv4/route.c
* net: ipv4: emulate READ_ONCE() on ->hdrincl bit-field in raw_sendmsg()
net/ipv4/raw.c
* ext4: fix extent_status fragmentation for plain files
fs/ext4/extents.c
* UPSTREAM: loop: Only freeze block queue when needed.
drivers/block/loop.c
* UPSTREAM: loop: Only change blocksize when needed.
drivers/block/loop.c
* BACKPORT: loop: change queue block size to match when using DIO
drivers/block/loop.c
Merge 4.9.220 into android-4.9-q
Linux 4.9.220
x86/vdso: Fix lsl operand order
x86/microcode/intel: replace sync_core() with native_cpuid_reg(eax)
x86/CPU: Add native CPUID variants returning a single datum
mtd: phram: fix a double free issue in error path
mtd: lpddr: Fix a double free in probe()
locktorture: Print ratio of acquisitions, not failures
tty: evh_bytechan: Fix out of bounds accesses
* fbdev: potential information leak in do_fb_ioctl()
drivers/video/fbdev/core/fbmem.c
iommu/amd: Fix the configuration of GCR3 table root pointer
libnvdimm: Out of bounds read in __nd_ioctl()
ext2: fix debug reference to ext2_xattr_cache
ext2: fix empty body warnings when -Wextra is used
NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
KVM: s390: vsie: Fix possible race when shadowing region 3 tables
* compiler.h: fix error in BUILD_BUG_ON() reporting
include/linux/compiler.h
* percpu_counter: fix a data race at vm_committed_as
include/linux/percpu_counter.h
* ext4: do not commit super on read-only bdev
fs/ext4/super.c
powerpc/maple: Fix declaration made after definition
s390/cpuinfo: fix wrong output when CPU0 is offline
NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
clk: tegra: Fix Tegra PMC clock out parents
power: supply: bq27xxx_battery: Silence deferred-probe error
clk: at91: usb: continue if clk_hw_round_rate() return zero
of: unittest: kmemleak in of_unittest_platform_populate()
* arm64: cpu_errata: include required headers
arch/arm64/kernel/cpu_errata.c
* of: fix missing kobject init for !SYSFS && OF_DYNAMIC config
drivers/of/base.c
soc: qcom: smem: Use le32_to_cpu for comparison
wil6210: fix length check in __wmi_send
rtc: pm8xxx: Fix issue in RTC write path
wil6210: rate limit wil_rx_refill error
* scsi: ufs: ufs-qcom: remove broken hci version quirk
drivers/scsi/ufs/ufs-qcom.c
* scsi: ufs: make sure all interrupts are processed
drivers/scsi/ufs/ufshcd.c
wil6210: fix temperature debugfs
wil6210: increase firmware ready timeout
* Revert "gpio: set up initial state from .get_direction()"
drivers/gpio/gpiolib.c
* drm: NULL pointer dereference [null-pointer-deref] (CWE 476) problem
drivers/gpu/drm/drm_dp_mst_topology.c
video: fbdev: sis: Remove unnecessary parentheses and commented code
ALSA: hda: Don't release card at firmware loading error
* scsi: sg: add sg_remove_request in sg_common_write
drivers/scsi/sg.c
objtool: Fix switch table detection in .text.unlikely
* tracing: Fix the race between registering 'snapshot' event trigger and triggering 'snapshot' operation
kernel/trace/trace_events_trigger.c
scsi: target: fix hang when multiple threads try to destroy the same iscsi session
scsi: target: remove boilerplate code
kvm: x86: Host feature SSBD doesn't imply guest feature SPEC_CTRL_SSBD
dm flakey: check for null arg_name in parse_features()
* ext4: do not zeroout extents beyond i_disksize
fs/ext4/extents.c
mac80211_hwsim: Use kstrndup() in place of kasprintf()
btrfs: check commit root generation in should_ignore_root
* ALSA: usb-audio: Don't override ignore_ctl_error value from the map
sound/usb/mixer.c
ASoC: Intel: mrfld: return error codes when an error occurs
ASoC: Intel: mrfld: fix incorrect check on p->sink
* ext4: fix incorrect inodes per group in error message
fs/ext4/super.c
* ext4: fix incorrect group count in ext4_fill_super error message
fs/ext4/super.c
* jbd2: improve comments about freeing data buffers whose page mapping is NULL
fs/jbd2/commit.c
* scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic
drivers/scsi/ufs/ufshcd.c
* net: ipv6: do not consider routes via gateways for anycast address check
include/net/ip6_route.h
net: qrtr: send msgs from local of same id as broadcast
* net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin
net/ipv4/devinet.c
hsr: check protocol version in hsr_newlink()
mfd: dln2: Fix sanity checking for endpoints
misc: echo: Remove unnecessary parentheses and simplify check for zero
powerpc/fsl_booke: Avoid creating duplicate tlb1 entry
ipmi: fix hung processes in __get_guid()
* drm: Remove PageReserved manipulation from drm_pci_alloc
drivers/gpu/drm/drm_pci.c
* drm/dp_mst: Fix clearing payload state on topology disable
drivers/gpu/drm/drm_dp_mst_topology.c
Btrfs: fix crash during unmount due to race with delayed inode workers
powerpc/64/tm: Don't let userspace set regs->trap via sigreturn
libata: Return correct status in sata_pmp_eh_recover_pm() when ATA_DFLAG_DETACH is set
hfsplus: fix crash and filesystem corruption when deleting files
cpufreq: powernv: Fix use-after-free
* kmod: make request_module() return an error when autoloading is disabled
kernel/kmod.c
Input: i8042 - add Acer Aspire 5738z to nomux list
s390/diag: fix display of diagnose call statistics
ocfs2: no need try to truncate file beyond i_size
* ext4: fix a data race at inode->i_blocks
fs/ext4/inode.c
rtc: omap: Use define directive for PIN_CONFIG_ACTIVE_HIGH
* arm64: armv8_deprecated: Fix undef_hook mask for thumb setend
arch/arm64/kernel/armv8_deprecated.c
scsi: zfcp: fix missing erp_lock in port recovery trigger for point-to-point
* dm verity fec: fix memory leak in verity_fec_dtr
drivers/md/dm-verity-fec.c
* mm: Use fixed constant in page_frag_alloc instead of size + 1
mm/page_alloc.c
tools: gpio: Fix out-of-tree build regression
* x86/speculation: Remove redundant arch_smt_update() invocation
kernel/cpu.c
ALSA: hda: Initialize power_state field properly
crypto: mxs-dcp - fix scatterlist linearization for hash
btrfs: drop block from cache on error in relocation
KVM: VMX: fix crash cleanup when KVM wasn't used
KVM: VMX: Always VMCLEAR in-use VMCSes during crash with kexec support
KVM: x86: Allocate new rmap and large page tracking when moving memslot
KVM: s390: vsie: Fix delivery of addressing exceptions
KVM: s390: vsie: Fix region 1 ASCE sanity shadow address checks
x86/entry/32: Add missing ASM_CLAC to general_protection entry
* signal: Extend exec_id to 64bits
fs/exec.c
include/linux/sched.h
kernel/signal.c
ath9k: Handle txpower changes even when TPC is disabled
MIPS: OCTEON: irq: Fix potential NULL pointer dereference
irqchip/versatile-fpga: Apply clear-mask earlier
* KEYS: reaching the keys quotas correctly
security/keys/key.c
security/keys/keyctl.c
* thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n
include/linux/devfreq_cooling.h
acpi/x86: ignore unspecified bit positions in the ACPI global lock field
media: ti-vpe: cal: fix disable_irqs to only the intended target
ALSA: pcm: oss: Fix regression by buffer overflow fix
ALSA: ice1724: Fix invalid access for enumerated ctl items
ALSA: hda: Fix potential access overflow in beep helper
ALSA: hda: Add driver blacklist
* ALSA: usb-audio: Add mixer workaround for TRX40 and co
sound/usb/mixer_maps.c
* usb: gadget: composite: Inform controller driver of self-powered
drivers/usb/gadget/composite.c
* usb: gadget: f_fs: Fix use after free issue as part of queue failure
drivers/usb/gadget/function/f_fs.c
ASoC: topology: use name_prefix for new kcontrol
* ASoC: dpcm: allow start or stop during pause for backend
sound/soc/soc-pcm.c
* ASoC: dapm: connect virtual mux with default value
sound/soc/soc-dapm.c
* ASoC: fix regwmask
sound/soc/soc-ops.c
misc: rtsx: set correct pcr_ops for rts522A
btrfs: track reloc roots based on their commit root bytenr
btrfs: remove a BUG_ON() from merge_reloc_roots()
locking/lockdep: Avoid recursion in lockdep_count_{for,back}ward_deps()
x86/boot: Use unsigned comparison for addresses
gfs2: Don't demote a glock until its revokes are written
libata: Remove extra scsi_host_put() in ata_scsi_add_hosts()
selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault
* sched: Avoid scale real weight down to zero
kernel/sched/sched.h
irqchip/versatile-fpga: Handle chained IRQs properly
i2c: st: fix missing struct parameter description
qlcnic: Fix bad kzalloc null test
net: vxge: fix wrong __VA_ARGS__ usage
bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads
Change-Id: I8e3db9ae637c39f066fe40e5fd6c38be92390f19
Signed-off-by: lucaswei <lucaswei@google.com>
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[ Upstream commit f4d74ef6220c1eda0875da30457bef5c7111ab06 ]
If seq_file .next function does not change position index, read after
some lseek can generate unexpected output.
https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: NeilBrown <neilb@suse.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Waiman Long <longman@redhat.com>
Link: http://lkml.kernel.org/r/f65c6ee7-bd00-f910-2f8a-37cc67e4ff88@virtuozzo.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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LLVM uses profiling data that's deliberately similar to GCC, but has a
very different way of exporting that data. LLVM calls llvm_gcov_init()
once per module, and provides a couple of callbacks that we can use to
ask for more data.
We care about the "writeout" callback, which in turn calls back into
compiler-rt/this module to dump all the gathered coverage data to disk:
llvm_gcda_start_file()
llvm_gcda_emit_function()
llvm_gcda_emit_arcs()
llvm_gcda_emit_function()
llvm_gcda_emit_arcs()
[... repeats for each function ...]
llvm_gcda_summary_info()
llvm_gcda_end_file()
This design is much more stateless and unstructured than gcc's, and is
intended to run at process exit. This forces us to keep some local
state about which module we're dealing with at the moment. On the other
hand, it also means we don't depend as much on how LLVM represents
profiling data internally.
See LLVM's lib/Transforms/Instrumentation/GCOVProfiling.cpp for more
details on how this works, particularly GCOVProfiler::emitProfileArcs(),
GCOVProfiler::insertCounterWriteout(), and GCOVProfiler::insertFlush().
[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/20190417225328.208129-1-trong@android.com
Signed-off-by: Greg Hackmann <ghackmann@android.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Tri Vo <trong@android.com>
Co-developed-by: Nick Desaulniers <ndesaulniers@google.com>
Co-developed-by: Tri Vo <trong@android.com>
Tested-by: Trilok Soni <tsoni@quicinc.com>
Tested-by: Prasad Sodagudi <psodagud@quicinc.com>
Tested-by: Tri Vo <trong@android.com>
Tested-by: Daniel Mentz <danielmentz@google.com>
Tested-by: Petri Gynther <pgynther@google.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit e178a5beb36960902379040ee0b667fb0a8eee93)
[trong: removed dependencies on CC_IS_CLANG, CC_IS_GCC from Kconfig and
Makefile. Added GCOV_FORMAT_CLANG as a default choice for gcov
format.]
Bug: 132997968
Test: defconfig + CONFIG_GCOV_KERNEL records coverage
Change-Id: Id72b3ee32571f0e555d5a7407d3f1e933850b390
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Patch series "gcov: add Clang support", v4.
This patch (of 3):
base.c contains a few callbacks specific to GCC's gcov implementation.
Move these into their own module in preparation for Clang support.
Link: http://lkml.kernel.org/r/20190318025411.98014-2-trong@android.com
Signed-off-by: Greg Hackmann <ghackmann@android.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Tri Vo <trong@android.com>
Tested-by: Trilok Soni <tsoni@quicinc.com>
Tested-by: Prasad Sodagudi <psodagud@quicinc.com>
Tested-by: Tri Vo <trong@android.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: Petri Gynther <pgynther@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 826eba0d77bc74c4d1c611374b76abfe251e8538)
Bug: 132997968
Test: defconfig + CONFIG_GCOV_KERNEL records coverage
Change-Id: Ice0533106d634b22aeee49b6f542917f45c681f0
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CONFIG_GCOV_FORMAT_AUTODETECT compiles either gcc_3_4.c or gcc_4_7.c
according to your GCC version.
We can achieve the equivalent behavior by setting reasonable dependency
with the knowledge of the compiler version.
If GCC older than 4.7 is used, GCOV_FORMAT_3_4 is the default, but users
are still allowed to select GCOV_FORMAT_4_7 in case the newer format is
back-ported.
On the other hand, If GCC 4.7 or newer is used, there is no reason to
use GCOV_FORMAT_3_4, so it should be hidden.
If you downgrade the compiler to GCC 4.7 or older, oldconfig/syncconfig
will display a prompt for the choice because GCOV_FORMAT_3_4 becomes
visible as a new symbol.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
(cherry picked from commit 6a61b70b43c9c4cbc7314bf6c8b5ba8b0d6e1e7b)
Bug: 132997968
Test: defconfig + CONFIG_GCOV_KERNEL records coverage
Change-Id: I95820233098507e80d846759e32abeead2580a32
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commit 05384213436ab690c46d9dfec706b80ef8d671ab upstream.
Starting from GCC 7.1, __gcov_exit is a new symbol expected to be
implemented in a profiling runtime.
[akpm@linux-foundation.org: coding-style fixes]
[mliska@suse.cz: v2]
Link: http://lkml.kernel.org/r/e63a3c59-0149-c97e-4084-20ca8f146b26@suse.cz
Link: http://lkml.kernel.org/r/8c4084fa-3885-29fe-5fc4-0d4ca199c785@suse.cz
Signed-off-by: Martin Liska <mliska@suse.cz>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Link: http://lkml.kernel.org/r/20160701130914.GA23225@styxhp
Signed-off-by: Florian Meier <Florian.Meier@informatik.uni-erlangen.de>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Tested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enabling gcov is counterproductive to compile testing: it significantly
increases the kernel image size, compile time, and it produces lots
of false positive "may be used uninitialized" warnings as the result
of missed optimizations.
This is in line with how UBSAN_SANITIZE_ALL and PROFILE_ALL_BRANCHES
work, both of which have similar problems.
With an ARM allmodconfig kernel, I see the build time drop from
283 minutes CPU time to 225 minutes, and the vmlinux size drops
from 43MB to 26MB.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
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An exact mapping would be within_module_core(), but at this stage
(MODULE_STATE_GOING) the init section is empty, and this is clearer.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix kernel gcov support for GCC 5.1. Similar to commit a992bf836f9
("gcov: add support for GCC 4.9"), this patch takes into account the
existence of a new gcov counter (see gcc's gcc/gcov-counter.def.)
Firstly, it increments GCOV_COUNTERS (to 10), which makes the data
structure struct gcov_info compatible with GCC 5.1.
Secondly, a corresponding counter function __gcov_merge_icall_topn (Top N
value tracking for indirect calls) is included in base.c with the other
gcov counters unused for kernel profiling.
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Yuan Pengfei <coolypf@qq.com>
Tested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gcov profiling if enabled with other heavy compile-time instrumentation
like KASan could trigger following softlockups:
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:1]
Modules linked in:
irq event stamp: 22823276
hardirqs last enabled at (22823275): [<ffffffff86e8d10d>] mutex_lock_nested+0x7d9/0x930
hardirqs last disabled at (22823276): [<ffffffff86e9521d>] apic_timer_interrupt+0x6d/0x80
softirqs last enabled at (22823172): [<ffffffff811ed969>] __do_softirq+0x4db/0x729
softirqs last disabled at (22823167): [<ffffffff811edfcf>] irq_exit+0x7d/0x15b
CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.19.0-05245-gbb33326-dirty #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5.1-0-g8936dbb-20141113_115728-nilsson.home.kraxel.org 04/01/2014
task: ffff88006cba8000 ti: ffff88006cbb0000 task.ti: ffff88006cbb0000
RIP: kasan_mem_to_shadow+0x1e/0x1f
Call Trace:
strcmp+0x28/0x70
get_node_by_name+0x66/0x99
gcov_event+0x4f/0x69e
gcov_enable_events+0x54/0x7b
gcov_fs_init+0xf8/0x134
do_one_initcall+0x1b2/0x288
kernel_init_freeable+0x467/0x580
kernel_init+0x15/0x18b
ret_from_fork+0x7c/0xb0
Kernel panic - not syncing: softlockup: hung tasks
Fix this by sticking cond_resched() in gcov_enable_events().
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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CONFIG_GCOV_FORMAT_3_4 / _4_7 / _AUTODETECT are exclusive.
Compare the CC version only when _AUTODETECT is enabled.
This change should have no impact.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Kbuild descends into kernel/gcov/ directory only when
CONFIG_GCOV_KERNEL is enabled. (See kernel/Makefile)
CONFIG_GCOV_KERNEL check can be omitted in kernel/gcov/Makefile.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Since commit 371fdc77af44 (kbuild: collect shorthands into
scripts/Kbuild.include), scripts/Makefile.clean includes
scripts/Kbuild.include.
The workaround and the comment block in kernel/gcov/Makefile
are no longer necessary.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The macros cc-version, cc-fullversion and ld-version take no argument.
It is not necessary to add $(call ...) to invoke them.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Helge Deller <deller@gmx.de> [parisc]
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Following the suggestions from Andrew Morton and Stephen Rothwell,
Dont expand the ARCH list in kernel/gcov/Kconfig. Instead,
define a ARCH_HAS_GCOV_PROFILE_ALL bool which architectures
can enable.
set ARCH_HAS_GCOV_PROFILE_ALL on Architectures where it was
previously allowed + ARM64 which I tested.
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Following up the arm testing of gcov, turns out gcov on ARM64 works fine
as well. Only change needed is adding ARM64 to Kconfig depends.
Tested with qemu and mach-virt
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enable gcov support for ARM based on original patches by David
Singleton and George G. Davis
Riku - updated to patch to current mainline kernel. The patch
has been submitted in 2010, 2012 - for symmetry, now in 2014 too.
https://lwn.net/Articles/390419/
http://marc.info/?l=linux-arm-kernel&m=133823081813044
v2: remove arch/arm/kernel from gcov disabled files
Cc: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Vincent Sanders <vincent.sanders@collabora.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This fixes checkpatch warning:
WARNING: debugfs_remove(NULL) is safe this check is probably not required
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch handles the gcov-related changes in GCC 4.9:
A new counter (time profile) is added. The total number is 9 now.
A new profile merge function __gcov_merge_time_profile is added.
See gcc/gcov-io.h and libgcc/libgcov-merge.c
For the first change, the layout of struct gcov_info is affected.
For the second one, a dummy function is added to kernel/gcov/base.c
similarly.
Signed-off-by: Yuan Pengfei <coolypf@qq.com>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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To get name of the file from a pathname let's use kbasename() helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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pr_warning() is deprecated in favor of pr_warn()
Cc: Andy Gospodarek <agospoda@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Frantisek Hrbata <fhrbata@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Compile the correct gcov implementation file for the specific gcc version.
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Gospodarek <agospoda@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The gcov in-memory format changed in gcc 4.7. The biggest change, which
requires this special implementation, is that gcov_info no longer contains
array of counters for each counter type for all functions and gcov_fn_info
is not used for mapping of function's counters to these arrays(offset).
Now each gcov_fn_info contans it's counters, which makes things a little
bit easier.
This is heavily based on the previous gcc_3_4.c implementation and patches
provided by Peter Oberparleiter. Specially the buffer gcda implementation
for iterator.
[akpm@linux-foundation.org: use kmemdup() and kcalloc()]
[oberpar@linux.vnet.ibm.com: gcc_4_7.c needs vmalloc.h]
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Gospodarek <agospoda@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since also the gcov structures(gcov_info, gcov_fn_info, gcov_ctr_info) can
change between gcc releases, as shown in gcc 4.7, they cannot be defined
in a common header and need to be moved to a specific gcc implemention
file. This also requires to make the gcov_info structure opaque for the
common code and to introduce simple helpers for accessing data inside
gcov_info.
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
Cc: Jan Stancek <jstancek@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Gospodarek <agospoda@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The usage of strict_strto*() is not preferred, because strict_strto*() is
obsolete. Thus, kstrto*() should be used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
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Selecting GCOV for UML causing configuration mismatch:
warning: (GCOV_KERNEL) selects CONSTRUCTORS which has unmet direct dependencies (!UML)
Constructors are not needed for UML.
Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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CONFIG_CONSTRUCTORS controls support for running constructor functions at
kernel init time. According to commit b99b87f70c7785ab ("kernel:
constructor support"), gcov (CONFIG_GCOV_KERNEL) needs this. However,
CONFIG_CONSTRUCTORS currently defaults to y, with no option to disable it,
and CONFIG_GCOV_KERNEL depends on it. Instead, default it to n and have
CONFIG_GCOV_KERNEL select it, so that the normal case of
CONFIG_GCOV_KERNEL=n will result in CONFIG_CONSTRUCTORS=n.
Observed in the short list of =y values in a minimal kernel configuration.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (25 commits)
video: change to new flag variable
scsi: change to new flag variable
rtc: change to new flag variable
rapidio: change to new flag variable
pps: change to new flag variable
net: change to new flag variable
misc: change to new flag variable
message: change to new flag variable
memstick: change to new flag variable
isdn: change to new flag variable
ieee802154: change to new flag variable
ide: change to new flag variable
hwmon: change to new flag variable
dma: change to new flag variable
char: change to new flag variable
fs: change to new flag variable
xtensa: change to new flag variable
um: change to new flag variables
s390: change to new flag variable
mips: change to new flag variable
...
Fix up trivial conflict in drivers/hwmon/Makefile
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Replace EXTRA_CFLAGS with ccflags-y.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This patch enables gcov kernel profiling over the whole kernel for sh.
Profiling of specific files individually already worked. A handful of
files have to be explicitly excluded from the profiling to avoid
breaking things, notably pmb.c.
Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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All file_operations should get a .llseek operation so we can make
nonseekable_open the default for future file operations without a
.llseek pointer.
The three cases that we can automatically detect are no_llseek, seq_lseek
and default_llseek. For cases where we can we can automatically prove that
the file offset is always ignored, we use noop_llseek, which maintains
the current behavior of not returning an error from a seek.
New drivers should normally not use noop_llseek but instead use no_llseek
and call nonseekable_open at open time. Existing drivers can be converted
to do the same when the maintainer knows for certain that no user code
relies on calling seek on the device file.
The generated code is often incorrectly indented and right now contains
comments that clarify for each added line why a specific variant was
chosen. In the version that gets submitted upstream, the comments will
be gone and I will manually fix the indentation, because there does not
seem to be a way to do that using coccinelle.
Some amount of new code is currently sitting in linux-next that should get
the same modifications, which I will do at the end of the merge window.
Many thanks to Julia Lawall for helping me learn to write a semantic
patch that does all this.
===== begin semantic patch =====
// This adds an llseek= method to all file operations,
// as a preparation for making no_llseek the default.
//
// The rules are
// - use no_llseek explicitly if we do nonseekable_open
// - use seq_lseek for sequential files
// - use default_llseek if we know we access f_pos
// - use noop_llseek if we know we don't access f_pos,
// but we still want to allow users to call lseek
//
@ open1 exists @
identifier nested_open;
@@
nested_open(...)
{
<+...
nonseekable_open(...)
...+>
}
@ open exists@
identifier open_f;
identifier i, f;
identifier open1.nested_open;
@@
int open_f(struct inode *i, struct file *f)
{
<+...
(
nonseekable_open(...)
|
nested_open(...)
)
...+>
}
@ read disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
|
func(..., off, ...)
|
E = *off
)
...+>
}
@ read_no_fpos disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
... when != off
}
@ write @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
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func(..., off, ...)
|
E = *off
)
...+>
}
@ write_no_fpos @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
... when != off
}
@ fops0 @
identifier fops;
@@
struct file_operations fops = {
...
};
@ has_llseek depends on fops0 @
identifier fops0.fops;
identifier llseek_f;
@@
struct file_operations fops = {
...
.llseek = llseek_f,
...
};
@ has_read depends on fops0 @
identifier fops0.fops;
identifier read_f;
@@
struct file_operations fops = {
...
.read = read_f,
...
};
@ has_write depends on fops0 @
identifier fops0.fops;
identifier write_f;
@@
struct file_operations fops = {
...
.write = write_f,
...
};
@ has_open depends on fops0 @
identifier fops0.fops;
identifier open_f;
@@
struct file_operations fops = {
...
.open = open_f,
...
};
// use no_llseek if we call nonseekable_open
////////////////////////////////////////////
@ nonseekable1 depends on !has_llseek && has_open @
identifier fops0.fops;
identifier nso ~= "nonseekable_open";
@@
struct file_operations fops = {
... .open = nso, ...
+.llseek = no_llseek, /* nonseekable */
};
@ nonseekable2 depends on !has_llseek @
identifier fops0.fops;
identifier open.open_f;
@@
struct file_operations fops = {
... .open = open_f, ...
+.llseek = no_llseek, /* open uses nonseekable */
};
// use seq_lseek for sequential files
/////////////////////////////////////
@ seq depends on !has_llseek @
identifier fops0.fops;
identifier sr ~= "seq_read";
@@
struct file_operations fops = {
... .read = sr, ...
+.llseek = seq_lseek, /* we have seq_read */
};
// use default_llseek if there is a readdir
///////////////////////////////////////////
@ fops1 depends on !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier readdir_e;
@@
// any other fop is used that changes pos
struct file_operations fops = {
... .readdir = readdir_e, ...
+.llseek = default_llseek, /* readdir is present */
};
// use default_llseek if at least one of read/write touches f_pos
/////////////////////////////////////////////////////////////////
@ fops2 depends on !fops1 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read.read_f;
@@
// read fops use offset
struct file_operations fops = {
... .read = read_f, ...
+.llseek = default_llseek, /* read accesses f_pos */
};
@ fops3 depends on !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write.write_f;
@@
// write fops use offset
struct file_operations fops = {
... .write = write_f, ...
+ .llseek = default_llseek, /* write accesses f_pos */
};
// Use noop_llseek if neither read nor write accesses f_pos
///////////////////////////////////////////////////////////
@ fops4 depends on !fops1 && !fops2 && !fops3 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
identifier write_no_fpos.write_f;
@@
// write fops use offset
struct file_operations fops = {
...
.write = write_f,
.read = read_f,
...
+.llseek = noop_llseek, /* read and write both use no f_pos */
};
@ depends on has_write && !has_read && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write_no_fpos.write_f;
@@
struct file_operations fops = {
... .write = write_f, ...
+.llseek = noop_llseek, /* write uses no f_pos */
};
@ depends on has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
@@
struct file_operations fops = {
... .read = read_f, ...
+.llseek = noop_llseek, /* read uses no f_pos */
};
@ depends on !has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
@@
struct file_operations fops = {
...
+.llseek = noop_llseek, /* no read or write fn */
};
===== End semantic patch =====
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Julia Lawall <julia@diku.dk>
Cc: Christoph Hellwig <hch@infradead.org>
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The gcov-kernel infrastructure expects that each object file is loaded
only once. This may not be true, e.g. when loading multiple kernel
modules which are linked to the same object file. As a result, loading
such kernel modules will result in incorrect gcov results while unloading
will cause a null-pointer dereference.
This patch fixes these problems by changing the gcov-kernel infrastructure
so that multiple profiling data sets can be associated with one debugfs
entry. It applies to 2.6.36-rc1.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reported-by: Werner Spies <werner.spies@thalesgroup.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Make it possible to enable GCOV code coverage measurement on powerpc.
Lightly tested on 64-bit, seems to work as expected.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Enable gcov profiling of the entire kernel on x86_64. Required changes
include disabling profiling for:
* arch/kernel/acpi/realmode and arch/kernel/boot/compressed:
not linked to main kernel
* arch/vdso, arch/kernel/vsyscall_64 and arch/kernel/hpet:
profiling causes segfaults during boot (incompatible context)
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Li Wei <W.Li@Sun.COM>
Cc: Michael Ellerman <michaele@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Heiko Carstens <heicars2@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <mschwid2@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enable the use of GCC's coverage testing tool gcov [1] with the Linux
kernel. gcov may be useful for:
* debugging (has this code been reached at all?)
* test improvement (how do I change my test to cover these lines?)
* minimizing kernel configurations (do I need this option if the
associated code is never run?)
The profiling patch incorporates the following changes:
* change kbuild to include profiling flags
* provide functions needed by profiling code
* present profiling data as files in debugfs
Note that on some architectures, enabling gcc's profiling option
"-fprofile-arcs" for the entire kernel may trigger compile/link/
run-time problems, some of which are caused by toolchain bugs and
others which require adjustment of architecture code.
For this reason profiling the entire kernel is initially restricted
to those architectures for which it is known to work without changes.
This restriction can be lifted once an architecture has been tested
and found compatible with gcc's profiling. Profiling of single files
or directories is still available on all platforms (see config help
text).
[1] http://gcc.gnu.org/onlinedocs/gcc/Gcov.html
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Li Wei <W.Li@Sun.COM>
Cc: Michael Ellerman <michaele@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Heiko Carstens <heicars2@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <mschwid2@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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