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

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Date: Wed, 06 Mar 2024 00:27:04 -0800
From: syzbot <syzbot+3c47b5843403a45aef57@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com, jiri@...dia.com, 
	jiri@...nulli.us, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	liuhangbin@...il.com, netdev@...r.kernel.org, nicolas.dichtel@...nd.com, 
	pabeni@...hat.com, syzkaller-bugs@...glegroups.com, xrivendell7@...il.com
Subject: Re: [syzbot] [net?] possible deadlock in team_port_change_check (2)

syzbot has bisected this issue to:

commit ec4ffd100ffb396eca13ebe7d18938ea80f399c3
Author: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date:   Mon Jan 8 09:41:02 2024 +0000

    Revert "net: rtnetlink: Enslave device before bringing it up"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=163d5686180000
start commit:   90d35da658da Linux 6.8-rc7
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=153d5686180000
console output: https://syzkaller.appspot.com/x/log.txt?x=113d5686180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c11c5c676adb61f0
dashboard link: https://syzkaller.appspot.com/bug?extid=3c47b5843403a45aef57
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=158ae1de180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=165f2732180000

Reported-by: syzbot+3c47b5843403a45aef57@...kaller.appspotmail.com
Fixes: ec4ffd100ffb ("Revert "net: rtnetlink: Enslave device before bringing it up"")

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