Hello bluetooth maintainers/developers, This is a 31-day syzbot report for the bluetooth subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/bluetooth During the period, 1 new issues were detected and 1 were fixed. In total, 23 issues are still open and 54 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 8070 Yes possible deadlock in rfcomm_sk_state_change https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218 <2> 4315 Yes WARNING in hci_conn_timeout https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6 <3> 1974 Yes possible deadlock in rfcomm_dlc_exists https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415 <4> 875 Yes BUG: sleeping function called from invalid context in hci_cmd_sync_submit https://syzkaller.appspot.com/bug?extid=e7be5be00de0c3c2d782 <5> 151 Yes WARNING in call_timer_fn https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9 <6> 84 No possible deadlock in hci_unregister_dev https://syzkaller.appspot.com/bug?extid=c933391d8e4089f1f53e <7> 51 No possible deadlock in discov_off https://syzkaller.appspot.com/bug?extid=f047480b1e906b46a3f4 <8> 4 No KASAN: slab-use-after-free Write in sco_conn_del https://syzkaller.appspot.com/bug?extid=6b9277cad941daf126a2 --- 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.