1 files changed, 7 insertions, 0 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index e84e8807c651..bcf893c3d903 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -121,6 +121,13 @@ static struct f2fs_dir_entry *find_in_block(struct page *dentry_page,
                         *max_slots = max_len;
                         max_len = 0;
                 }
+
+                /*
+                 * For the most part, it should be a bug when name_len is zero.
+                 * We stop here for figuring out where the bugs are occurred.
+                 */
+                f2fs_bug_on(!de->name_len);
+
                 bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
         }