linux-kernel - Re: [syzbot] [cluster?] possible deadlock in freeze

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Date:   Mon, 3 Apr 2023 08:23:46 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+be899d4f10b2a9522dce@...kaller.appspotmail.com>
Cc:     agruenba@...hat.com, cluster-devel@...hat.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        rpeterso@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [cluster?] possible deadlock in freeze_super (2)

On Fri, 24 Mar 2023 at 15:43, syzbot
<syzbot+be899d4f10b2a9522dce@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit b66f723bb552ad59c2acb5d45ea45c890f84498b
> Author: Andreas Gruenbacher <agruenba@...hat.com>
> Date:   Tue Jan 31 14:06:53 2023 +0000
>
>     gfs2: Improve gfs2_make_fs_rw error handling
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=117e2e29c80000
> start commit:   4a7d37e824f5 Merge tag 'hardening-v6.3-rc1' of git://git.k..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8b969c5af147d31c
> dashboard link: https://syzkaller.appspot.com/bug?extid=be899d4f10b2a9522dce
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11484328c80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=127093a0c80000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: gfs2: Improve gfs2_make_fs_rw error handling
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Looks reasonable:

#syz fix: gfs2: Improve gfs2_make_fs_rw error handling