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Date:   Wed, 21 Oct 2020 15:45:06 -0700
From:   syzbot <syzbot+9a44753ac327c557796a@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, chris@...is-wilson.co.uk,
        dvyukov@...gle.com, jack@...e.cz, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, mika.kuoppala@...ux.intel.com,
        rodrigo.vivi@...el.com, syzkaller-bugs@...glegroups.com,
        tytso@....edu
Subject: Re: WARNING in ext4_set_page_dirty

syzbot suspects this issue was fixed by commit:

commit 7dfbf8a07cf8c936b0d6cc810df6ae7923954d5b
Author: Chris Wilson <chris@...is-wilson.co.uk>
Date:   Tue Jun 30 15:27:24 2020 +0000

    drm/i915: Skip stale object handle for debugfs per-file-stats

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=153d895f900000
start commit:   46cf053e Linux 5.5-rc3
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35
dashboard link: https://syzkaller.appspot.com/bug?extid=9a44753ac327c557796a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10055799e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15b852c6e00000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: drm/i915: Skip stale object handle for debugfs per-file-stats

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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