diff options
| author | ronaxdevil <pratabidya.007@gmail.com> | 2020-06-06 12:16:58 +0530 |
|---|---|---|
| committer | lucasponez <lucasponez@outlook.com> | 2020-12-06 05:32:19 -0800 |
| commit | c9d101bffe7b6a10fddc18bc7a2d0dc0962ed71f (patch) | |
| tree | cc92c8d9bbff0f97a4036908f210b2adb2adaf1a /mm/vmalloc.c | |
| parent | 13ba6318ccffd7e3167f514ac34358ab74ff6b6c (diff) | |
Merge tag 'v3.18.140' of https://source.codeaurora.org/quic/la/kernel/msm-3.18 into android-10-release-qpk30.54r11.0
This is the 3.18.140 stable release
gpg: Signature made Thu 16 May 2019 12:47:33 PM IST
gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
Signed-off-by: ronaxdevil <pratabidya.007@gmail.com>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index d002804adb25..e5947c1dba08 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -520,7 +520,11 @@ nocache: } found: - if (addr + size > vend) + /* + * Check also calculated address against the vstart, + * because it can be 0 because of big align request. + */ + if (addr + size > vend || addr < vstart) goto overflow; va->va_start = addr; @@ -2362,7 +2366,7 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr, if (!(area->flags & VM_USERMAP)) return -EINVAL; - if (kaddr + size > area->addr + area->size) + if (kaddr + size > area->addr + get_vm_area_size(area)) return -EINVAL; do { |