--- x/include/linux/xattr.h
+++ a/include/linux/xattr.h
@@ -106,8 +106,13 @@ static inline void simple_xattrs_init(st
 static inline void simple_xattrs_free(struct simple_xattrs *xattrs)
 {
 	struct simple_xattr *xattr, *node;
+	LIST_HEAD(head);
 
-	list_for_each_entry_safe(xattr, node, &xattrs->head, list) {
+	spin_lock(&xattrs->lock);
+	list_splice_init(&xattrs->head, &head);
+	spin_unlock(&xattrs->lock);
+
+	list_for_each_entry_safe(xattr, node, &head, list) {
 		kfree(xattr->name);
 		kvfree(xattr);
 	}