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authorVasily Averin <vvs@virtuozzo.com>2018-11-07 22:36:23 -0500
committerMoyster <oysterized@gmail.com>2018-12-01 23:10:56 +0100
commite185c6455145f411ea68633d89a2c42ecd8013f5 (patch)
tree98b4ffc8661efaaf9afed2397256c8250a421704 /fs/ext4
parent96fadfec36d15c2b5fc620500ddcd848f8db5ed5 (diff)
ext4: fix buffer leak in __ext4_read_dirblock() on error path
commit de59fae0043f07de5d25e02ca360f7d57bfa5866 upstream. Fixes: dc6982ff4db1 ("ext4: refactor code to read directory blocks ...") Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org # 3.9 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/namei.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index a693265a7..a0096d9ef 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -122,6 +122,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
if (!is_dx_block && type == INDEX) {
ext4_error_inode(inode, __func__, line, block,
"directory leaf block found instead of index block");
+ brelse(bh);
return ERR_PTR(-EIO);
}
if (!ext4_has_metadata_csum(inode->i_sb) ||