linux-kernel - Re: WARNING in nft_request

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Message-ID: <000000000000b3ea0f059c3f9203@google.com>
Date:   Thu, 16 Jan 2020 02:49:01 -0800
From:   syzbot <syzbot+0e63ae76d117ae1c3a01@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net, fw@...len.de,
        kadlec@...ckhole.kfki.hu, kadlec@...filter.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in nft_request_module

syzbot has bisected this bug to:

commit 452238e8d5ffd8b77f92387519513839d4ca7379
Author: Florian Westphal <fw@...len.de>
Date:   Wed Jul 11 11:45:10 2018 +0000

     netfilter: nf_tables: add and use helper for module autoload

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17bb83e1e00000
start commit:   51d69817 Merge tag 'platform-drivers-x86-v5.5-3' of git://..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=147b83e1e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=107b83e1e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d9290aeb7e6cf1c4
dashboard link: https://syzkaller.appspot.com/bug?extid=0e63ae76d117ae1c3a01
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16b14421e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=138473fee00000

Reported-by: syzbot+0e63ae76d117ae1c3a01@...kaller.appspotmail.com
Fixes: 452238e8d5ff ("netfilter: nf_tables: add and use helper for module  
autoload")

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