On Thu 08-11-18 06:21:21, Jens Axboe wrote: > On 11/8/18 6:01 AM, Jan Kara wrote: > > Hi, > > > > this patch series fixes oops and possible deadlocks as reported by syzbot [1] > > [2]. The second patch in the series (from Tetsuo) fixes the oops, the remaining > > patches are cleaning up the locking in the loop driver so that we can in the > > end reasonably easily switch to rereading partitions without holding mutex > > protecting the loop device. > > > > I have tested the patches by creating, deleting, modifying loop devices, and by > > running loop blktests (as well as creating new ones with the load syzkaller has > > used to detect the problem). Review is welcome but I think the patches are fine > > to go as far as I'm concerned! Jens, can you please pick them up? > > I've been waiting for this series - it's a big series for 4.20, though... It > would suck having to defer this to 4.21 since it's a long standing issue, but > the risk of a new regression is present as well. > > Are you fine with this going in for 4.21? Yeah, I'm fine with the delay so that it has time to soak in linux-next. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
