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| author | Pan Bian <bianpan2016@163.com> | 2021-01-18 04:04:55 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-04 11:38:00 +0100 |
| commit | ffc6e686f43d07a371022496e6208ac3d3b904f7 (patch) | |
| tree | fb865af578a4c592e1322ad64cdf493d184e7d76 /fs/isofs | |
| parent | aa69ea2595ff22f6ccd043e3198f5b0fd2c3a417 (diff) | |
| download | linux-stable-ffc6e686f43d07a371022496e6208ac3d3b904f7.tar.gz linux-stable-ffc6e686f43d07a371022496e6208ac3d3b904f7.tar.bz2 linux-stable-ffc6e686f43d07a371022496e6208ac3d3b904f7.zip | |
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 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; } |