[syzbot] Monthly bluetooth report (Dec 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, 6 new issues were detected and 1 were fixed.
In total, 49 issues are still open and 76 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  11971   Yes   KASAN: slab-use-after-free Read in l2cap_unregister_user
                   https://syzkaller.appspot.com/bug?extid=14b6d57fb728e27ce23c
<2>  5150    Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<3>  697     Yes   general protection fault in skb_release_data (2)
                   https://syzkaller.appspot.com/bug?extid=ccfa5775bc1bda21ddd1
<4>  570     Yes   general protection fault in lock_sock_nested
                   https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
<5>  83      Yes   BUG: sleeping function called from invalid context in lock_sock_nested (3)
                   https://syzkaller.appspot.com/bug?extid=55cd5225f71c5cff7f6f
<6>  61      No    WARNING in l2cap_chan_del
                   https://syzkaller.appspot.com/bug?extid=3272785b7a1fc9b510f6
<7>  61      Yes   WARNING: ODEBUG bug in put_device
                   https://syzkaller.appspot.com/bug?extid=a9290936c6e87b3dc3c2
<8>  55      No    KASAN: slab-use-after-free Read in skb_queue_purge_reason (2)
                   https://syzkaller.appspot.com/bug?extid=683f8cb11b94b1824c77
<9>  32      Yes   possible deadlock in mgmt_remove_adv_monitor_complete
                   https://syzkaller.appspot.com/bug?extid=e8651419c44dbc2b8768
<10> 29      Yes   WARNING in hci_recv_frame
                   https://syzkaller.appspot.com/bug?extid=3e07a461b836821ff70e

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