[syzbot] Monthly bluetooth report (Apr 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, 13 new issues were detected and 0 were fixed.
In total, 38 issues are still open and 63 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  19159   Yes   possible deadlock in rfcomm_sk_state_change
                   https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218
<2>  10784   Yes   possible deadlock in rfcomm_dlc_exists
                   https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415
<3>  4973    Yes   WARNING in hci_conn_timeout
                   https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6
<4>  2414    Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<5>  307     Yes   memory leak in corrupted (2)
                   https://syzkaller.appspot.com/bug?extid=e1c69cadec0f1a078e3d
<6>  221     Yes   KASAN: slab-use-after-free Write in sco_sock_timeout
                   https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465
<7>  220     Yes   WARNING in hci_conn_del
                   https://syzkaller.appspot.com/bug?extid=b2545b087a01a7319474
<8>  62      Yes   general protection fault in lock_sock_nested
                   https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
<9>  56      Yes   KASAN: slab-use-after-free Write in sco_conn_del
                   https://syzkaller.appspot.com/bug?extid=6b9277cad941daf126a2
<10> 52      No    possible deadlock in __flush_workqueue
                   https://syzkaller.appspot.com/bug?extid=da0a9c9721e36db712e8

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