diff options
| author | Pan Bian <bianpan2016@163.com> | 2021-01-18 04:04:55 -0800 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2021-01-25 17:57:38 +0100 |
| commit | 0a6dc67a6aa45f19bd4ff89b4f468fc50c4b8daa (patch) | |
| tree | b8095213185363a9af692eb5ff78ee0f468704a4 /fs/isofs | |
| parent | a4db1072e1a3bd7a8d9c356e1902b13ac5deb8ef (diff) | |
| download | linux-0a6dc67a6aa45f19bd4ff89b4f468fc50c4b8daa.tar.bz2 | |
isofs: release buffer head before return
Release the buffer_head before returning error code in
do_isofs_readdir() and isofs_find_entry().
Fixes: 2deb1acc653c ("isofs: fix access to unallocated memory when reading corrupted filesystem")
Link: https://lore.kernel.org/r/20210118120455.118955-1-bianpan2016@163.com
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/isofs')
| -rw-r--r-- | fs/isofs/dir.c | 1 | ||||
| -rw-r--r-- | fs/isofs/namei.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c index f0fe641893a5..b9e6a7ec78be 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -152,6 +152,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *file, printk(KERN_NOTICE "iso9660: Corrupted directory entry" " in block %lu of inode %lu\n", block, inode->i_ino); + brelse(bh); return -EIO; } diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c index 402769881c32..58f80e1b3ac0 100644 --- a/fs/isofs/namei.c +++ b/fs/isofs/namei.c @@ -102,6 +102,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry, printk(KERN_NOTICE "iso9660: Corrupted directory entry" " in block %lu of inode %lu\n", block, dir->i_ino); + brelse(bh); return 0; } |