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| author | Vasily Averin <vvs@virtuozzo.com> | 2018-11-07 01:01:36 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2018-11-07 01:01:36 +0300 |
| commit | feaf264ce7f8d54582e2f66eb82dd9dd124c94f3 (patch) | |
| tree | c07a6ae656ff85041fb63f38b4879bceeb7e329a /fs | |
| parent | a6758309a005060b8297a538a457c88699cb2520 (diff) | |
| download | linux-feaf264ce7f8d54582e2f66eb82dd9dd124c94f3.tar.xz | |
ext4: avoid buffer leak in ext4_orphan_add() after prior errors
Fixes: d745a8c20c1f ("ext4: reduce contention on s_orphan_lock")
Fixes: 6e3617e579e0 ("ext4: Handle non empty on-disk orphan link")
Cc: Dmitry Monakhov <dmonakhov@gmail.com>
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 2.6.34
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/namei.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 67a38532032a..d388cce72db2 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2811,7 +2811,9 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode) list_del_init(&EXT4_I(inode)->i_orphan); mutex_unlock(&sbi->s_orphan_lock); } - } + } else + brelse(iloc.bh); + jbd_debug(4, "superblock will point to %lu\n", inode->i_ino); jbd_debug(4, "orphan inode %lu will point to %d\n", inode->i_ino, NEXT_ORPHAN(inode)); |