linux-kernel - Re: INFO: task hung in htable

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Date:   Wed, 11 Nov 2020 14:29:57 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+84936245a918e2cddb32@...kaller.appspotmail.com>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, coreteam@...filter.org
Subject: Re: INFO: task hung in htable_put

On Fri, Mar 20, 2020 at 5:42 AM syzbot
<syzbot+84936245a918e2cddb32@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this bug was fixed by commit:
>
> commit 99b79c3900d4627672c85d9f344b5b0f06bc2a4d
> Author: Cong Wang <xiyou.wangcong@...il.com>
> Date:   Thu Feb 13 06:53:52 2020 +0000
>
>     netfilter: xt_hashlimit: unregister proc file before releasing mutex
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17446eb1e00000
> start commit:   f2850dd5 Merge tag 'kbuild-fixes-v5.6' of git://git.kernel..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=735296e4dd620b10
> dashboard link: https://syzkaller.appspot.com/bug?extid=84936245a918e2cddb32
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17a96c29e00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12fcc65ee00000
>
> If the result looks correct, please mark the bug fixed by replying with:
>
> #syz fix: netfilter: xt_hashlimit: unregister proc file before releasing mutex
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: netfilter: xt_hashlimit: unregister proc file before releasing mutex