[syzbot] Monthly bluetooth report (Nov 2023)

[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, 4 new issues were detected and 1 were fixed.
In total, 29 issues are still open and 58 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  11654   Yes   possible deadlock in rfcomm_sk_state_change
                   https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218
<2>  5101    Yes   possible deadlock in rfcomm_dlc_exists
                   https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415
<3>  4840    Yes   WARNING in hci_conn_timeout
                   https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6
<4>  2046    Yes   possible deadlock in hci_dev_do_close
                   https://syzkaller.appspot.com/bug?extid=4e3a76c5c505a3f49083
<5>  1266    Yes   KASAN: slab-use-after-free Read in hci_send_acl
                   https://syzkaller.appspot.com/bug?extid=a0c80b06ae2cb8895bc4
<6>  573     Yes   possible deadlock in hci_rfkill_set_block
                   https://syzkaller.appspot.com/bug?extid=f93d183bc91522d90de9
<7>  336     Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<8>  139     No    possible deadlock in hci_unregister_dev
                   https://syzkaller.appspot.com/bug?extid=c933391d8e4089f1f53e
<9>  95      No    possible deadlock in discov_off
                   https://syzkaller.appspot.com/bug?extid=f047480b1e906b46a3f4
<10> 65      Yes   memory leak in hci_conn_add (2)
                   https://syzkaller.appspot.com/bug?extid=b6678ec6b1772e54ee6e

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