linux-kernel - Re: [syzbot] WARNING in cancel_delayed

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Message-ID: <000000000000761c0e05c446d750@google.com>
Date:   Tue, 08 Jun 2021 13:17:05 -0700
From:   syzbot <syzbot+35e70efb794757d7e175@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net, dsahern@...nel.org,
        fw@...len.de, johan.hedberg@...il.com, johannes.berg@...el.com,
        johannes@...solutions.net, kadlec@...filter.org, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org, luciano.coelho@...el.com,
        marcel@...tmann.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        syzkaller-bugs@...glegroups.com, yoshfuji@...ux-ipv6.org
Subject: Re: [syzbot] WARNING in cancel_delayed_work

syzbot suspects this issue was fixed by commit:

commit 43016d02cf6e46edfc4696452251d34bba0c0435
Author: Florian Westphal <fw@...len.de>
Date:   Mon May 3 11:51:15 2021 +0000

    netfilter: arptables: use pernet ops struct during unregister

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=140478ffd00000
start commit:   c3d8f220 Merge tag 'kbuild-fixes-v5.9' of git://git.kernel..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=bb68b9e8a8cc842f
dashboard link: https://syzkaller.appspot.com/bug?extid=35e70efb794757d7e175
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14f6602e900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1203cc61900000

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

#syz fix: netfilter: arptables: use pernet ops struct during unregister

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