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-rw-r--r--fs/reiserfs/dir.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index ffbfc2caaf20..e6b03d2020c1 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -121,6 +121,16 @@ static int reiserfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
continue;
d_reclen = entry_length(bh, ih, entry_num);
d_name = B_I_DEH_ENTRY_FILE_NAME(bh, ih, deh);
+
+ if (d_reclen <= 0 ||
+ d_name + d_reclen > bh->b_data + bh->b_size) {
+ /* There is corrupted data in entry,
+ * We'd better stop here */
+ pathrelse(&path_to_entry);
+ ret = -EIO;
+ goto out;
+ }
+
if (!d_name[d_reclen - 1])
d_reclen = strlen(d_name);