On 2019/05/01 0:34, Tetsuo Handa wrote: > I still cannot understand what the problem is. (...snipped...) > I guessed that something went wrong with 8083 inside __getblk_gfp(). > How can loop_ctl_mutex be relevant to this problem? > syzbot got similar NMI backtrace. No loop_ctl_mutex is involved. INFO: task hung in mount_bdev (2) https://syzkaller.appspot.com/bug?id=d9b9fa1428ff2466de64fc85256e769f516cea58
