linux-kernel - Re: general protection fault in gfs2

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Date:   Wed, 30 Sep 2020 15:18:48 +0100
From:   Andrew Price <anprice@...hat.com>
To:     syzbot <syzbot+50a8a9cf8127f2c6f5df@...kaller.appspotmail.com>,
        agruenba@...hat.com, cluster-devel@...hat.com,
        linux-kernel@...r.kernel.org, rpeterso@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: general protection fault in gfs2_withdraw

On 29/09/2020 06:34, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 601ef0d52e9617588fcff3df26953592f2eb44ac
> Author: Bob Peterson <rpeterso@...hat.com>
> Date:   Tue Jan 28 19:23:45 2020 +0000
> 
>      gfs2: Force withdraw to replay journals and wait for it to finish
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=151d25e3900000
> start commit:   7c7ec322 Merge tag 'for-linus' of git://git.kernel.org/pub..
> git tree:       upstream
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=171d25e3900000
> console output: https://syzkaller.appspot.com/x/log.txt?x=131d25e3900000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=6184b75aa6d48d66
> dashboard link: https://syzkaller.appspot.com/bug?extid=50a8a9cf8127f2c6f5df
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13c6a109900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15d45ed3900000
> 
> Reported-by: syzbot+50a8a9cf8127f2c6f5df@...kaller.appspotmail.com
> Fixes: 601ef0d52e96 ("gfs2: Force withdraw to replay journals and wait for it to finish")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
> 

Bug filed for this one:

https://bugzilla.redhat.com/show_bug.cgi?id=1883932

Andy