netdev - Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_send

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Message-ID: <67866ffe.050a0220.216c54.007b.GAE@google.com>
Date: Tue, 14 Jan 2025 06:09:02 -0800
From: syzbot <syzbot+31c2f641b850a348a734@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com, hdanton@...a.com, 
	johan.hedberg@...il.com, kuba@...nel.org, linux-bluetooth@...r.kernel.org, 
	linux-kernel@...r.kernel.org, luiz.dentz@...il.com, luiz.von.dentz@...el.com, 
	marcel@...tmann.org, netdev@...r.kernel.org, pabeni@...hat.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_send_cmd

syzbot has bisected this issue to:

commit e7b02296fb400ee64822fbdd81a0718449066333
Author: Luiz Augusto von Dentz <luiz.von.dentz@...el.com>
Date:   Thu Feb 1 16:18:58 2024 +0000

    Bluetooth: Remove BT_HS

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10665bc4580000
start commit:   ab75170520d4 Merge tag 'linux-watchdog-6.13-rc6' of git://..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12665bc4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14665bc4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1c541fa8af5c9cc7
dashboard link: https://syzkaller.appspot.com/bug?extid=31c2f641b850a348a734
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11261edf980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17fa36f8580000

Reported-by: syzbot+31c2f641b850a348a734@...kaller.appspotmail.com
Fixes: e7b02296fb40 ("Bluetooth: Remove BT_HS")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection