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

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Message-ID: <68221ce4.050a0220.f2294.0070.GAE@google.com>
Date: Mon, 12 May 2025 09:08:04 -0700
From: syzbot <syzbot+e953a8f3071f5c0a28fd@...kaller.appspotmail.com>
To: alibuda@...ux.alibaba.com, danielyang32@...cla.edu, 
	danielyangkang@...il.com, davem@...emloft.net, edumazet@...gle.com, 
	guwen@...ux.alibaba.com, hdanton@...a.com, jaka@...ux.ibm.com, 
	kuba@...nel.org, kuniyu@...zon.com, laforge@...monks.org, 
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org, lkp@...el.com, 
	llvm@...ts.linux.dev, netdev@...r.kernel.org, oe-kbuild-all@...ts.linux.dev, 
	osmocom-net-gprs-bounces@...ts.osmocom.org, 
	osmocom-net-gprs@...ts.osmocom.org, pabeni@...hat.com, pablo@...filter.org, 
	syzkaller-bugs@...glegroups.com, tonylu@...ux.alibaba.com, 
	wenjia@...ux.ibm.com
Subject: Re: [syzbot] [net?] possible deadlock in gtp_encap_enable_socket

syzbot suspects this issue was fixed by commit:

commit 752e2217d789be2c6a6ac66554b981cd71cd9f31
Author: Kuniyuki Iwashima <kuniyu@...zon.com>
Date:   Mon Apr 7 17:03:17 2025 +0000

    smc: Fix lockdep false-positive for IPPROTO_SMC.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=140462f4580000
start commit:   9410645520e9 Merge tag 'net-next-6.12' of git://git.kernel..
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=37c006d80708398d
dashboard link: https://syzkaller.appspot.com/bug?extid=e953a8f3071f5c0a28fd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16215ca9980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=110c6c27980000

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

#syz fix: smc: Fix lockdep false-positive for IPPROTO_SMC.

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