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, 0 new issues were detected and 0 were fixed. In total, 51 issues are still open and 70 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 22304 Yes possible deadlock in rfcomm_sk_state_change https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218 <2> 13307 Yes possible deadlock in rfcomm_dlc_exists https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415 <3> 5704 Yes WARNING in hci_conn_timeout https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6 <4> 3906 Yes WARNING in call_timer_fn https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9 <5> 291 Yes general protection fault in lock_sock_nested https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3 <6> 268 Yes KASAN: slab-use-after-free Write in sco_sock_timeout https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465 <7> 135 Yes KASAN: slab-use-after-free Read in skb_release_head_state https://syzkaller.appspot.com/bug?extid=d863bc2d28ef7ff42984 <8> 134 Yes BUG: sleeping function called from invalid context in hci_le_create_big_complete_evt https://syzkaller.appspot.com/bug?extid=2fb0835e0c9cefc34614 <9> 50 Yes BUG: sleeping function called from invalid context in lock_sock_nested (3) https://syzkaller.appspot.com/bug?extid=55cd5225f71c5cff7f6f <10> 45 Yes KASAN: slab-use-after-free Read in set_powered_sync https://syzkaller.appspot.com/bug?extid=03d6270b6425df1605bf --- 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.