linux-kernel - Re: [syzbot] [net?] INFO: task hung in addrconf_dad

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Message-ID: <66f2aa00.050a0220.c23dd.0029.GAE@google.com>
Date: Tue, 24 Sep 2024 05:01:04 -0700
From: syzbot <syzbot+82ccd564344eeaa5427d@...kaller.appspotmail.com>
To: bigeasy@...utronix.de, davem@...emloft.net, dsahern@...nel.org, 
	edumazet@...gle.com, kerneljasonxing@...il.com, kuba@...nel.org, 
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, pabeni@...hat.com, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] [net?] INFO: task hung in addrconf_dad_work (5)

syzbot has bisected this issue to:

commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@...hat.com>
Date:   Mon May 8 06:17:44 2023 +0000

    Revert "softirq: Let ksoftirqd do its job"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=103252a9980000
start commit:   af9c191ac2a0 Merge tag 'trace-ring-buffer-v6.12' of git://..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=143252a9980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=74ffdb3b3fad1a43
dashboard link: https://syzkaller.appspot.com/bug?extid=82ccd564344eeaa5427d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=162e9c27980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1123c107980000

Reported-by: syzbot+82ccd564344eeaa5427d@...kaller.appspotmail.com
Fixes: d15121be7485 ("Revert "softirq: Let ksoftirqd do its job"")

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