[syzbot] Monthly bluetooth report (Jul 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 1 were fixed.
In total, 53 issues are still open and 64 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  21879   Yes   possible deadlock in rfcomm_sk_state_change
                   https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218
<2>  13079   Yes   possible deadlock in rfcomm_dlc_exists
                   https://syzkaller.appspot.com/bug?extid=b69a625d06e8ece26415
<3>  5305    Yes   WARNING in hci_conn_timeout
                   https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6
<4>  3382    Yes   KASAN: slab-use-after-free Read in __hci_req_sync
                   https://syzkaller.appspot.com/bug?extid=27209997e4015fb4702e
<5>  3246    Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<6>  680     Yes   general protection fault in skb_release_data (2)
                   https://syzkaller.appspot.com/bug?extid=ccfa5775bc1bda21ddd1
<7>  411     Yes   KASAN: slab-use-after-free Read in sk_skb_reason_drop
                   https://syzkaller.appspot.com/bug?extid=f115fcf7e49b2ebc902d
<8>  250     Yes   general protection fault in lock_sock_nested
                   https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
<9>  249     Yes   KASAN: slab-use-after-free Write in sco_sock_timeout
                   https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465
<10> 120     Yes   KASAN: slab-use-after-free Read in skb_release_head_state
                   https://syzkaller.appspot.com/bug?extid=d863bc2d28ef7ff42984

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