linux-kernel - [syzbot] Monthly bluetooth report (Apr 2025)

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Message-ID: <68076b55.050a0220.8500a.0004.GAE@google.com>
Date: Tue, 22 Apr 2025 03:11:33 -0700
From: syzbot <syzbot+list87f1666b0fff7a351cea@...kaller.appspotmail.com>
To: linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org, 
	luiz.dentz@...il.com, marcel@...tmann.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly bluetooth report (Apr 2025)

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, 1 new issues were detected and 0 were fixed.
In total, 53 issues are still open and 82 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  35675   Yes   KASAN: slab-use-after-free Read in l2cap_unregister_user
                   https://syzkaller.appspot.com/bug?extid=14b6d57fb728e27ce23c
<2>  6521    Yes   WARNING in call_timer_fn
                   https://syzkaller.appspot.com/bug?extid=6fb78d577e89e69602f9
<3>  1876    Yes   general protection fault in lock_sock_nested
                   https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
<4>  382     Yes   WARNING in hci_conn_timeout (2)
                   https://syzkaller.appspot.com/bug?extid=fc4b5b2477d4ca272907
<5>  359     Yes   KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump
                   https://syzkaller.appspot.com/bug?extid=ac3c79181f6aecc5120c
<6>  334     Yes   KASAN: slab-use-after-free Read in force_devcd_write
                   https://syzkaller.appspot.com/bug?extid=bc71245e56f06e3127b7
<7>  228     Yes   WARNING: ODEBUG bug in hci_release_dev (2)
                   https://syzkaller.appspot.com/bug?extid=b170dbf55520ebf5969a
<8>  224     Yes   general protection fault in h5_recv
                   https://syzkaller.appspot.com/bug?extid=b5691bb559396b262064
<9>  199     No    WARNING in l2cap_chan_del
                   https://syzkaller.appspot.com/bug?extid=3272785b7a1fc9b510f6
<10> 166     Yes   general protection fault in bcsp_recv
                   https://syzkaller.appspot.com/bug?extid=4ed6852d4da4606c93da

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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