diff options
| -rw-r--r-- | include/linux/kmsan.h | 9 | ||||
| -rw-r--r-- | mm/kmsan/instrumentation.c | 1 | ||||
| -rw-r--r-- | mm/kmsan/kmsan.h | 1 |
3 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/kmsan.h b/include/linux/kmsan.h index e0c23a32cdf0..fe6c2212bdb1 100644 --- a/include/linux/kmsan.h +++ b/include/linux/kmsan.h @@ -230,6 +230,15 @@ void kmsan_handle_urb(const struct urb *urb, bool is_out); */ void kmsan_unpoison_entry_regs(const struct pt_regs *regs); +/** + * kmsan_get_metadata() - Return a pointer to KMSAN shadow or origins. + * @addr: kernel address. + * @is_origin: whether to return origins or shadow. + * + * Return NULL if metadata cannot be found. + */ +void *kmsan_get_metadata(void *addr, bool is_origin); + #else static inline void kmsan_init_shadow(void) diff --git a/mm/kmsan/instrumentation.c b/mm/kmsan/instrumentation.c index 8a1bbbc723ab..94b49fac9d8b 100644 --- a/mm/kmsan/instrumentation.c +++ b/mm/kmsan/instrumentation.c @@ -14,6 +14,7 @@ #include "kmsan.h" #include <linux/gfp.h> +#include <linux/kmsan.h> #include <linux/kmsan_string.h> #include <linux/mm.h> #include <linux/uaccess.h> diff --git a/mm/kmsan/kmsan.h b/mm/kmsan/kmsan.h index adf443bcffe8..34b83c301d57 100644 --- a/mm/kmsan/kmsan.h +++ b/mm/kmsan/kmsan.h @@ -66,7 +66,6 @@ struct shadow_origin_ptr { struct shadow_origin_ptr kmsan_get_shadow_origin_ptr(void *addr, u64 size, bool store); -void *kmsan_get_metadata(void *addr, bool is_origin); void __init kmsan_init_alloc_meta_for_range(void *start, void *end); enum kmsan_bug_reason { |