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-rw-r--r--mm/kasan/kasan.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 69e4f5e58e33..0e209b823b2c 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -307,6 +307,12 @@ struct kasan_stack_ring {
#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+static __always_inline bool addr_in_shadow(const void *addr)
+{
+ return addr >= (void *)KASAN_SHADOW_START &&
+ addr < (void *)KASAN_SHADOW_END;
+}
+
#ifndef kasan_shadow_to_mem
static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
{