if (IS_ENABLED(CONFIG_KASAN_GENERIC))
return shadow_byte < 0 ||
shadow_byte >= KASAN_SHADOW_SCALE_SIZE;
- else
- return tag != (u8)shadow_byte;
+
+ /* else CONFIG_KASAN_SW_TAGS: */
+ if ((u8)shadow_byte == KASAN_TAG_INVALID)
+ return true;
+ if ((tag != KASAN_TAG_KERNEL) && (tag != (u8)shadow_byte))
+ return true;
+
+ return false;
}
static bool __kasan_slab_free(struct kmem_cache *cache, void *object,