2 files changed, 15 insertions, 0 deletions

diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 5b052ab40cf9..1fcc1d81a9cf 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -12,6 +12,15 @@
 #define KASAN_KMALLOC_REDZONE   0xFC  /* redzone inside slub object */
 #define KASAN_KMALLOC_FREE      0xFB  /* object was freed (kmem_cache_free/kfree) */
 
+/*
+ * Stack redzone shadow values
+ * (Those are compiler's ABI, don't change them)
+ */
+#define KASAN_STACK_LEFT        0xF1
+#define KASAN_STACK_MID         0xF2
+#define KASAN_STACK_RIGHT       0xF3
+#define KASAN_STACK_PARTIAL     0xF4
+
 
 struct kasan_access_info {
         const void *access_addr;
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 2760edb4d0a8..866732ef3db3 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -64,6 +64,12 @@ static void print_error_description(struct kasan_access_info *info)
         case 0 ... KASAN_SHADOW_SCALE_SIZE - 1:
                 bug_type = "out of bounds access";
                 break;
+        case KASAN_STACK_LEFT:
+        case KASAN_STACK_MID:
+        case KASAN_STACK_RIGHT:
+        case KASAN_STACK_PARTIAL:
+                bug_type = "out of bounds on stack";
+                break;
         }
 
         pr_err("BUG: KASan: %s in %pS at addr %p\n",