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

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Date: Tue, 23 Apr 2024 19:01:03 -0700
From: syzbot <syzbot+fa379358c28cc87cc307@...kaller.appspotmail.com>
To: axboe@...nel.dk, davem@...emloft.net, edumazet@...gle.com, 
	hdanton@...a.com, horms@...nel.org, kuba@...nel.org, kuni1840@...il.com, 
	kuniyu@...zon.com, linux-kernel@...r.kernel.org, mhal@...x.co, 
	netdev@...r.kernel.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] possible deadlock in __unix_gc

syzbot has bisected this issue to:

commit 47d8ac011fe1c9251070e1bd64cb10b48193ec51
Author: Michal Luczaj <mhal@...x.co>
Date:   Tue Apr 9 20:09:39 2024 +0000

    af_unix: Fix garbage collector racing against connect()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13f440d3180000
start commit:   4d2008430ce8 Merge tag 'docs-6.9-fixes2' of git://git.lwn...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=100c40d3180000
console output: https://syzkaller.appspot.com/x/log.txt?x=17f440d3180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=98d5a8e00ed1044a
dashboard link: https://syzkaller.appspot.com/bug?extid=fa379358c28cc87cc307
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16a8fb4f180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17ceeb73180000

Reported-by: syzbot+fa379358c28cc87cc307@...kaller.appspotmail.com
Fixes: 47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()")

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