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Date:   Sat, 25 Jun 2022 06:29:07 -0700
From:   syzbot <syzbot+dbbd022e608bb122cf4e@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk, willy@...radead.org
Subject: Re: [syzbot] general protection fault in do_mpage_readpage

syzbot has bisected this issue to:

commit 4c27dc762d7b60fa23c6eab2309ca6fc625588dd
Author: Matthew Wilcox (Oracle) <willy@...radead.org>
Date:   Sat Jun 11 02:58:24 2022 +0000

    mpage: Convert do_mpage_readpage() to use a folio

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16d2a888080000
start commit:   34d1d36073ea Add linux-next specific files for 20220621
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=15d2a888080000
console output: https://syzkaller.appspot.com/x/log.txt?x=11d2a888080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b24b62d1c051cfc8
dashboard link: https://syzkaller.appspot.com/bug?extid=dbbd022e608bb122cf4e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1216c174080000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14362fd8080000

Reported-by: syzbot+dbbd022e608bb122cf4e@...kaller.appspotmail.com
Fixes: 4c27dc762d7b ("mpage: Convert do_mpage_readpage() to use a folio")

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

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