linux-kernel - Re: WARNING in close_fs

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Message-ID: <20180619171720.t2tgzr5aonqzo2c4@twin.jikos.cz>
Date:   Tue, 19 Jun 2018 19:17:20 +0200
From:   David Sterba <dsterba@...e.cz>
To:     syzbot <syzbot+ceb2606025ec1cc3479c@...kaller.appspotmail.com>
Cc:     clm@...com, dsterba@...e.com, jbacik@...com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in close_fs_devices

On Tue, Jun 05, 2018 at 06:17:03AM -0700, syzbot wrote:
> syzbot found the following crash on:
> 
> HEAD commit:    716a685fdb89 Merge branch 'x86-hyperv-for-linus' of git://..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15c5f46f800000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4f65cd4286737868
> dashboard link: https://syzkaller.appspot.com/bug?extid=ceb2606025ec1cc3479c
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=1251799f800000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=177f3edf800000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+ceb2606025ec1cc3479c@...kaller.appspotmail.com

Again with the right syntax:

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git test-syzbot-fs-devices