diff options
Diffstat (limited to '')
| -rw-r--r-- | include/asm-generic/rwonce.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-generic/rwonce.h b/include/asm-generic/rwonce.h index e9f2b84d2338..52b969c7cef9 100644 --- a/include/asm-generic/rwonce.h +++ b/include/asm-generic/rwonce.h @@ -86,7 +86,12 @@ unsigned long read_word_at_a_time(const void *addr) kasan_check_read(addr, 1); kcsan_check_read(addr, 1); - return READ_ONCE(*(unsigned long *)addr); + /* + * This load can race with concurrent stores to out-of-bounds memory, + * but READ_ONCE() can't be used because it requires higher alignment + * than plain loads in arm64 builds with LTO. + */ + return *(unsigned long *)addr; } #endif /* __ASSEMBLY__ */ |