diff options
Diffstat (limited to 'fs/isofs/dir.c')
| -rw-r--r-- | fs/isofs/dir.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c index 1ba407c64df1..2f0dc5a14633 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -145,6 +145,14 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, } de = tmpde; } + /* Basic sanity check, whether name doesn't exceed dir entry */ + if (de_len < de->name_len[0] + + sizeof(struct iso_directory_record)) { + printk(KERN_NOTICE "iso9660: Corrupted directory entry" + " in block %lu of inode %lu\n", block, + inode->i_ino); + return -EIO; + } if (first_de) { isofs_normalize_block_and_offset(de, |