linux-kernel - Re: [syzbot] [bluetooth?] general protection fault in lock_sock

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Date: Mon, 25 Dec 2023 03:40:04 -0800
From: syzbot <syzbot+d3ccfb78a0dc16ffebe3@...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, pav@....fi, 
	syzkaller-bugs@...glegroups.com, william.xuanziyang@...wei.com
Subject: Re: [syzbot] [bluetooth?] general protection fault in lock_sock_nested

syzbot suspects this issue was fixed by commit:

commit 181a42edddf51d5d9697ecdf365d72ebeab5afb0
Author: Ziyang Xuan <william.xuanziyang@...wei.com>
Date:   Wed Oct 11 09:57:31 2023 +0000

    Bluetooth: Make handle of hci_conn be unique

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15f7f6cee80000
start commit:   ae074e2b2fd4 sfc: check for zero length in EF10 RX prefix
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=634e05b4025da9da
dashboard link: https://syzkaller.appspot.com/bug?extid=d3ccfb78a0dc16ffebe3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13075977a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1012d447a80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: Bluetooth: Make handle of hci_conn be unique

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