[syzbot] Monthly bluetooth report (Jan 2024)

[syzbot]

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 0 were fixed.
In total, 32 issues are still open and 58 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  17084   Yes   possible deadlock in rfcomm_sk_state_change
                   https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218
<2>  9083    Yes   possible deadlock in rfcomm_dlc_exists
                   https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415
<3>  6476    Yes   possible deadlock in hci_dev_do_close
                   https://syzkaller.appspot.com/bug?extid=4e3a76c5c505a3f49083
<4>  4881    Yes   WARNING in hci_conn_timeout
                   https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6
<5>  3386    Yes   possible deadlock in hci_rfkill_set_block
                   https://syzkaller.appspot.com/bug?extid=f93d183bc91522d90de9
<6>  500     Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<7>  175     No    possible deadlock in hci_unregister_dev
                   https://syzkaller.appspot.com/bug?extid=c933391d8e4089f1f53e
<8>  127     No    possible deadlock in discov_off
                   https://syzkaller.appspot.com/bug?extid=f047480b1e906b46a3f4
<9>  101     Yes   KASAN: slab-use-after-free Write in sco_sock_timeout
                   https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465
<10> 33      Yes   KASAN: slab-use-after-free Write in sco_conn_del
                   https://syzkaller.appspot.com/bug?extid=6b9277cad941daf126a2

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