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, 25 issues are still open and 88 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 3044 Yes WARNING in blk_rq_map_user_iov https://syzkaller.appspot.com/bug?extid=a532b03fdfee2c137666 <2> 475 Yes INFO: task hung in blkdev_put (4) https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851 <3> 365 Yes general protection fault in bio_first_folio https://syzkaller.appspot.com/bug?extid=8b23309d5788a79d3eea <4> 144 Yes INFO: task hung in blkdev_fallocate https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc <5> 45 Yes KASAN: use-after-free Read in __dev_queue_xmit (5) https://syzkaller.appspot.com/bug?extid=b7be9429f37d15205470 <6> 34 Yes INFO: task hung in nbd_add_socket (2) https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29 <7> 26 Yes WARNING in blk_register_tracepoints https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1 <8> 12 Yes INFO: task hung in bdev_release https://syzkaller.appspot.com/bug?extid=4da851837827326a7cd4 --- 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.