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, 9 new issues were detected and 0 were fixed. In total, 28 issues are still open and 81 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 392 Yes WARNING in copy_page_from_iter https://syzkaller.appspot.com/bug?extid=63dec323ac56c28e644f <2> 359 Yes INFO: task hung in blkdev_put (4) https://syzkaller.appspot.com/bug?extid=9a29d5e745bd7523c851 <3> 78 Yes INFO: task hung in blkdev_fallocate https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc <4> 33 Yes INFO: task hung in nbd_add_socket (2) https://syzkaller.appspot.com/bug?extid=cbb4b1ebc70d0c5a8c29 <5> 21 Yes WARNING in blk_register_tracepoints https://syzkaller.appspot.com/bug?extid=c54ded83396afee31eb1 <6> 7 No WARNING in wait_til_done (2) https://syzkaller.appspot.com/bug?extid=9bc4da690ee5334f5d15 <7> 2 No WARNING in floppy_interrupt (2) https://syzkaller.appspot.com/bug?extid=aa45f3927a085bc1b242 --- 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.