On Mon, Mar 06, 2023 at 03:34:40AM -0800, syzbot wrote: > ===================================== > WARNING: bad unlock balance detected! > 6.2.0-syzkaller-13467-g0988a0ea7919 #0 Not tainted > ------------------------------------- > syz-executor.3/8027 is trying to release lock (&type->i_mutex_dir_key) at: > [<ffffffff82448753>] inode_unlock include/linux/fs.h:763 [inline] > [<ffffffff82448753>] ext4_rename fs/ext4/namei.c:4017 [inline] > [<ffffffff82448753>] ext4_rename2+0x3d03/0x4410 fs/ext4/namei.c:4193 > but there are no more locks to release! I think this is the same as "[bug report] ext4: Fix possible corruption when moving a directory" (https://lore.kernel.org/linux-ext4/5efbe1b9-ad8b-4a4f-b422-24824d2b775c@kili.mountain). See there for the root cause (double unlock). - Eric
