linux-kernel - Re: [syzbot] [net?] possible deadlock in ip_mroute

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Message-ID: <67445fba.050a0220.1cc393.0078.GAE@google.com>
Date: Mon, 25 Nov 2024 03:30:02 -0800
From: syzbot <syzbot+e227429f6fa77945d7e4@...kaller.appspotmail.com>
To: alibuda@...ux.alibaba.com, davem@...emloft.net, dsahern@...nel.org, 
	dust.li@...ux.alibaba.com, edumazet@...gle.com, horms@...nel.org, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
	pabeni@...hat.com, schnelle@...ux.ibm.com, syzkaller-bugs@...glegroups.com, 
	wenjia@...ux.ibm.com
Subject: Re: [syzbot] [net?] possible deadlock in ip_mroute_setsockopt

syzbot has bisected this issue to:

commit d25a92ccae6bed02327b63d138e12e7806830f78
Author: D. Wythe <alibuda@...ux.alibaba.com>
Date:   Thu Jun 13 18:00:30 2024 +0000

    net/smc: Introduce IPPROTO_SMC

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15fc6530580000
start commit:   fcc79e1714e8 Merge tag 'net-next-6.13' of git://git.kernel..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17fc6530580000
console output: https://syzkaller.appspot.com/x/log.txt?x=13fc6530580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=275de99a754927af
dashboard link: https://syzkaller.appspot.com/bug?extid=e227429f6fa77945d7e4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=175459c0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10dc0ee8580000

Reported-by: syzbot+e227429f6fa77945d7e4@...kaller.appspotmail.com
Fixes: d25a92ccae6b ("net/smc: Introduce IPPROTO_SMC")

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