Hello block maintainers/developers, This is a 31-day syzbot report for the block subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/block During the period, 1 new issues were detected and 0 were fixed. In total, 29 issues are still open and 92 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 1363 Yes INFO: task hung in bdev_release https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4 <2> 746 Yes INFO: task hung in blkdev_fallocate https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc <3> 299 No INFO: task hung in bdev_open https://syzkaller.appspot.com/bug?extid=5c6179f2c4f1e111df11 <4> 36 Yes INFO: task hung in nbd_add_socket (2) https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29 <5> 28 Yes INFO: rcu detected stall in schedule (7) https://syzkaller.appspot.com/bug?extid=005409b89b9a9675cb2a <6> 26 Yes WARNING in blk_register_tracepoints https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1 <7> 7 Yes WARNING in get_probe_ref https://syzkaller.appspot.com/bug?extid=8672dcb9d10011c0a160 <8> 3 No KCSAN: data-race in block_uevent / inc_diskseq (2) https://syzkaller.appspot.com/bug?extid=c147f9175ec6cc7bd73b --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.