diff options
| author |   Kent Overstreet <kent.overstreet@linux.dev> | 2025-03-20 12:38:59 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-03-24 09:50:36 -0400 |
| commit | 9c3a2c9b471aa42b13c26c916f6a0852899a57e0 (patch) | |
| tree | 1fb1110032edf3a6f81a7fc69e71e41d4fd7fb67 | |
| parent | bcachefs: Handle backpointers with unknown data types (diff) | |
| download | wireguard-linux-9c3a2c9b471aa42b13c26c916f6a0852899a57e0.tar.xz wireguard-linux-9c3a2c9b471aa42b13c26c916f6a0852899a57e0.zip | |
bcachefs: Disable asm memcpys when kmsan enabled
kmsan doesn't know about inline assembly, obviously; this will close a
ton of syzbot bugs.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to '')
| -rw-r--r-- | fs/bcachefs/util.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index d41e133acc4d..7d921fc920a0 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -431,7 +431,7 @@ static inline void memcpy_u64s_small(void *dst, const void *src, static inline void __memcpy_u64s(void *dst, const void *src, unsigned u64s) { -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && !defined(CONFIG_KMSAN) long d0, d1, d2; asm volatile("rep ; movsq" @@ -508,7 +508,7 @@ static inline void __memmove_u64s_up(void *_dst, const void *_src, u64 *dst = (u64 *) _dst + u64s - 1; u64 *src = (u64 *) _src + u64s - 1; -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && !defined(CONFIG_KMSAN) long d0, d1, d2; asm volatile("std ;\n" |