diff options
Diffstat (limited to 'mm/kmsan/hooks.c')
| -rw-r--r-- | mm/kmsan/hooks.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c index 22e8657800ef..b408714f9ba3 100644 --- a/mm/kmsan/hooks.c +++ b/mm/kmsan/hooks.c @@ -267,7 +267,8 @@ void kmsan_copy_to_user(void __user *to, const void *from, size_t to_copy, return; ua_flags = user_access_save(); - if ((u64)to < TASK_SIZE) { + if (!IS_ENABLED(CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE) || + (u64)to < TASK_SIZE) { /* This is a user memory access, check it. */ kmsan_internal_check_memory((void *)from, to_copy - left, to, REASON_COPY_TO_USER); |