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| author | Andrew Morton <akpm@linux-foundation.org> | 2023-02-11 02:34:48 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-11 02:34:48 +0300 |
| commit | f67d6b26649379f8520abe6a6c7ed335310bf01e (patch) | |
| tree | c161fce6517753dcacdcea21804f6e2c90164a33 /mm/kasan/generic.c | |
| parent | 223ec6ab265ead0b319bc2f15d0d1be05078a74b (diff) | |
| parent | ce4d9a1ea35ac5429e822c4106cb2859d5c71f3e (diff) | |
| download | linux-f67d6b26649379f8520abe6a6c7ed335310bf01e.tar.xz | |
Merge branch 'mm-hotfixes-stable' into mm-stable
To pick up depended-upon changes
Diffstat (limited to 'mm/kasan/generic.c')
| -rw-r--r-- | mm/kasan/generic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c index a37b5b57bf5c..e5eef670735e 100644 --- a/mm/kasan/generic.c +++ b/mm/kasan/generic.c @@ -189,7 +189,12 @@ bool kasan_check_range(unsigned long addr, size_t size, bool write, bool kasan_byte_accessible(const void *addr) { - s8 shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(addr)); + s8 shadow_byte; + + if (!kasan_arch_is_ready()) + return true; + + shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(addr)); return shadow_byte >= 0 && shadow_byte < KASAN_GRANULE_SIZE; } |