diff --git a/fs/dcache.c b/fs/dcache.c
index d04be762b216..7d34f04ec7aa 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -38,6 +38,8 @@
 #include <linux/prefetch.h>
 #include <linux/ratelimit.h>
 #include <linux/list_lru.h>
+#include <linux/kasan.h>
+
 #include "internal.h"
 #include "mount.h"
 
@@ -1429,6 +1431,9 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
 		}
 		atomic_set(&p->u.count, 1);
 		dname = p->name;
+		if (IS_ENABLED(CONFIG_DCACHE_WORD_ACCESS))
+			kasan_unpoison_shadow(dname,
+				round_up(name->len + 1,	sizeof(unsigned long)));
 	} else  {
 		dname = dentry->d_iname;
 	}