Hello usb maintainers/developers, This is a 31-day syzbot report for the usb subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/usb During the period, 2 new issues were detected and 3 were fixed. In total, 65 issues are still open and 331 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 2721 Yes KMSAN: uninit-value in dib3000mb_attach (2) https://syzkaller.appspot.com/bug?extid=c88fc0ebe0d5935c70da <2> 2144 Yes KASAN: slab-use-after-free Read in pvr2_context_set_notify https://syzkaller.appspot.com/bug?extid=621409285c4156a009b3 <3> 944 Yes WARNING in implement https://syzkaller.appspot.com/bug?extid=38e7237add3712479d65 <4> 819 Yes general protection fault in ir_raw_event_store_with_filter https://syzkaller.appspot.com/bug?extid=34008406ee9a31b13c73 <5> 368 Yes INFO: task hung in r871xu_dev_remove https://syzkaller.appspot.com/bug?extid=f39c1dad0b7db49ca4a8 <6> 364 Yes INFO: task hung in usbdev_open (2) https://syzkaller.appspot.com/bug?extid=b73659f5bb96fac34820 <7> 304 Yes KASAN: use-after-free Read in v4l2_fh_init https://syzkaller.appspot.com/bug?extid=c025d34b8eaa54c571b8 <8> 239 Yes INFO: task hung in netdev_run_todo (2) https://syzkaller.appspot.com/bug?extid=9d77543f47951a63d5c1 <9> 222 No INFO: task hung in hub_event (3) https://syzkaller.appspot.com/bug?extid=a7edecbf389d11a369d4 <10> 138 Yes INFO: rcu detected stall in hub_event https://syzkaller.appspot.com/bug?extid=ec5f884c4a135aa0dbb9 --- 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.