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| author | Alexander Potapenko <[email protected]> | 2021-05-23 00:41:56 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-05-23 01:09:07 +0000 |
| commit | f70b00496f2a0669fdb19a783e613bdbdedcf901 (patch) | |
| tree | c8e67f9b8062c3ab2dccc36a2e7f0c6f2b0104b8 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | tools/testing/selftests/exec: fix link error (diff) | |
| download | kernel-f70b00496f2a0669fdb19a783e613bdbdedcf901.tar.gz kernel-f70b00496f2a0669fdb19a783e613bdbdedcf901.zip | |
kasan: slab: always reset the tag in get_freepointer_safe()
With CONFIG_DEBUG_PAGEALLOC enabled, the kernel should also untag the
object pointer, as done in get_freepointer().
Failing to do so reportedly leads to SLUB freelist corruptions that
manifest as boot-time crashes.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Alexander Potapenko <[email protected]>
Cc: Marco Elver <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Elliot Berman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
0 files changed, 0 insertions, 0 deletions