[syzbot] Monthly bluetooth report (May 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, 10 new issues were detected and 0 were fixed.
In total, 47 issues are still open and 63 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  5056    Yes   WARNING in hci_conn_timeout
                   https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6
<2>  2664    Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<3>  2546    Yes   WARNING in hci_conn_del
                   https://syzkaller.appspot.com/bug?extid=b2545b087a01a7319474
<4>  913     Yes   KASAN: slab-use-after-free Read in __hci_req_sync
                   https://syzkaller.appspot.com/bug?extid=27209997e4015fb4702e
<5>  522     No    possible deadlock in __flush_workqueue
                   https://syzkaller.appspot.com/bug?extid=da0a9c9721e36db712e8
<6>  361     No    possible deadlock in touch_wq_lockdep_map
                   https://syzkaller.appspot.com/bug?extid=91dbdfecdd3287734d8e
<7>  236     Yes   KASAN: slab-use-after-free Write in sco_sock_timeout
                   https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465
<8>  119     Yes   general protection fault in lock_sock_nested
                   https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
<9>  61      Yes   KASAN: slab-use-after-free Write in sco_conn_del
                   https://syzkaller.appspot.com/bug?extid=6b9277cad941daf126a2
<10> 7       Yes   BUG: sleeping function called from invalid context in hci_le_create_big_complete_evt
                   https://syzkaller.appspot.com/bug?extid=2fb0835e0c9cefc34614

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