diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-11-05 23:39:59 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 23:30:37 +0300 |
| commit | 084f7e2377e89ccbc8375b5486c6b4c16682f602 (patch) | |
| tree | a938f200a844765a359ffbe5783b0eba4e7c2fdd /usr | |
| parent | 34b46efd6ec6a6f2d6a57be4216b820c879a0030 (diff) | |
| download | linux-084f7e2377e89ccbc8375b5486c6b4c16682f602.tar.xz | |
mm/large system hash: avoid possible NULL deref in alloc_large_system_hash
If __vmalloc() returned NULL, is_vm_area_hugepages(NULL) will fault if
CONFIG_HAVE_ARCH_HUGE_VMALLOC=y
Link: https://lkml.kernel.org/r/20210915212530.2321545-1-eric.dumazet@gmail.com
Fixes: 121e6f3258fe ("mm/vmalloc: hugepage vmalloc mappings")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions