From: Jan Kara jack@suse.cz
commit 4443390e08d34d5771ab444f601cf71b3c9634a4 upstream.
reiserfs_read_locked_inode() didn't initialize key length properly. Use _make_cpu_key() macro for key initialization so that all key member are properly initialized.
CC: stable@vger.kernel.org Reported-by: syzbot+d94d02749498bb7bab4b@syzkaller.appspotmail.com Signed-off-by: Jan Kara jack@suse.cz Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/reiserfs/inode.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
--- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1553,11 +1553,7 @@ void reiserfs_read_locked_inode(struct i * set version 1, version 2 could be used too, because stat data * key is the same in both versions */ - key.version = KEY_FORMAT_3_5; - key.on_disk_key.k_dir_id = dirino; - key.on_disk_key.k_objectid = inode->i_ino; - key.on_disk_key.k_offset = 0; - key.on_disk_key.k_type = 0; + _make_cpu_key(&key, KEY_FORMAT_3_5, dirino, inode->i_ino, 0, 0, 3);
/* look for the object's stat data */ retval = search_item(inode->i_sb, &key, &path_to_sd);