| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 142/205] ext4: fix buffer leak in ext4_xattr_get_block() on error path | Date | Mon, 19 Nov 2018 17:27:29 +0100 |
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4.19-stable review patch. If anyone has any objections, please let me know.
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From: Vasily Averin <vvs@virtuozzo.com>
commit ecaaf408478b6fb4d9986f9b6652f3824e374f4c upstream.
Fixes: dec214d00e0d ("ext4: xattr inode deduplication") Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org # 4.13 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/ext4/xattr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2282,8 +2282,10 @@ static struct buffer_head *ext4_xattr_ge if (!bh) return ERR_PTR(-EIO); error = ext4_xattr_check_block(inode, bh); - if (error) + if (error) { + brelse(bh); return ERR_PTR(error); + } return bh; }
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