linux-kernel - Re: INFO: trying to register non-static key in icmp

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Message-ID: <87imw8mq20.fsf@codeaurora.org>
Date:   Sun, 24 Mar 2019 14:09:59 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     syzbot <syzbot+e1628a5e87492e6f1b76@...kaller.appspotmail.com>
Cc:     davem@...emloft.net, dledford@...hat.com, jgg@...pe.ca,
        kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, monis@...lanox.com,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        yoshfuji@...ux-ipv6.org
Subject: Re: INFO: trying to register non-static key in icmp_send

syzbot <syzbot+e1628a5e87492e6f1b76@...kaller.appspotmail.com> writes:

> syzbot has bisected this bug to:
>
> commit abd5f00844ec7fa507064ee4a22b3605c64c7d31
> Author: Kalle Valo <kvalo@...eaurora.org>
> Date:   Tue Mar 27 07:06:18 2018 +0000
>
>     Merge ath-next from
> git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12f9389b200000
> start commit:   4aa9fc2a Revert "mm, memory_hotplug: initialize struct pag..
> git tree:       upstream
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=11f9389b200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=16f9389b200000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4fceea9e2d99ac20
> dashboard link: https://syzkaller.appspot.com/bug?extid=e1628a5e87492e6f1b76
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=175c96ef400000
>
> Reported-by: syzbot+e1628a5e87492e6f1b76@...kaller.appspotmail.com
> Fixes: abd5f00844ec ("Merge ath-next from
> git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

I highly doubt about the bisection result pointing to this merge. My
ath.git tree only touches drivers/net/wireless/ath and I can't see how
the drivers could cause the reported deadlock. I don't even see any of
the ath drivers loaded.

-- 
Kalle Valo