diff options
| author | Pan Bian <bianpan2016@163.com> | 2021-01-18 15:04:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-03 19:44:37 +0300 |
| commit | ef89b3861774b1f560915b9560b03158f9817392 (patch) | |
| tree | 9d61da4419ddabb8eed719666ffdb8e0ec3d425c /fs/isofs | |
| parent | e0ce3009ed614c3f91d28311a0758cf76e48a680 (diff) | |
| download | linux-ef89b3861774b1f560915b9560b03158f9817392.tar.xz | |
isofs: release buffer head before return
[ Upstream commit 0a6dc67a6aa45f19bd4ff89b4f468fc50c4b8daa ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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 e7599615e4e0..e876a30f9073 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -151,6 +151,7 @@ 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 aee592767f1d..2c43de1b034d 100644 --- a/fs/isofs/namei.c +++ b/fs/isofs/namei.c @@ -101,6 +101,7 @@ 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; } |