1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d74e08029643..451b92a9958a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -377,7 +377,7 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
         ext4_lblk_t lblock = le32_to_cpu(ext->ee_block);
         ext4_lblk_t last = lblock + len - 1;
 
-        if (lblock > last)
+        if (len == 0 || lblock > last)
                 return 0;
         return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
 }