diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-07-08 14:30:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-07-08 14:30:25 -0700 |
| commit | 946c6b59c56dc6e7d8364a8959cb36bf6d10bc37 (patch) | |
| tree | 0f83317cecca8b249630dbfd6c1a63aa7dcb1884 /mm/kasan/generic.c | |
| parent | fb49c455323ff8319a123dd312be9082c49a23a5 (diff) | |
| parent | 8ba388c06bc8056935ec1814b2689bfb42f3b89a (diff) | |
Merge tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"16 hotfixes. Six are cc:stable and the remainder address post-6.4
issues"
The merge undoes the disabling of the CONFIG_PER_VMA_LOCK feature, since
it was all hopefully fixed in mainline.
* tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
lib: dhry: fix sleeping allocations inside non-preemptable section
kasan, slub: fix HW_TAGS zeroing with slub_debug
kasan: fix type cast in memory_is_poisoned_n
mailmap: add entries for Heiko Stuebner
mailmap: update manpage link
bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
MAINTAINERS: add linux-next info
mailmap: add Markus Schneider-Pargmann
writeback: account the number of pages written back
mm: call arch_swap_restore() from do_swap_page()
squashfs: fix cache race with migration
mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison
docs: update ocfs2-devel mailing list address
MAINTAINERS: update ocfs2-devel mailing list address
mm: disable CONFIG_PER_VMA_LOCK until its fixed
fork: lock VMAs of the parent process when forking
Diffstat (limited to 'mm/kasan/generic.c')
| -rw-r--r-- | mm/kasan/generic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c index 5b4c97baa656..4d837ab83f08 100644 --- a/mm/kasan/generic.c +++ b/mm/kasan/generic.c @@ -130,9 +130,10 @@ static __always_inline bool memory_is_poisoned_n(const void *addr, size_t size) if (unlikely(ret)) { const void *last_byte = addr + size - 1; s8 *last_shadow = (s8 *)kasan_mem_to_shadow(last_byte); + s8 last_accessible_byte = (unsigned long)last_byte & KASAN_GRANULE_MASK; if (unlikely(ret != (unsigned long)last_shadow || - (((long)last_byte & KASAN_GRANULE_MASK) >= *last_shadow))) + last_accessible_byte >= *last_shadow)) return true; } return false; |