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Date:   Sat, 05 Feb 2022 14:39:06 -0800
From:   syzbot <syzbot+138c9e58e3cb22eae3b4@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, cmaiolino@...hat.com,
        lczerner@...hat.com, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        nathan@...nel.org, ndesaulniers@...gle.com,
        syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: Re: [syzbot] general protection fault in ext4_fill_super

syzbot has bisected this issue to:

commit cebe85d570cf84804e848332d6721bc9e5300e07
Author: Lukas Czerner <lczerner@...hat.com>
Date:   Wed Oct 27 14:18:56 2021 +0000

    ext4: switch to the new mount api

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14902978700000
start commit:   0457e5153e0e Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16902978700000
console output: https://syzkaller.appspot.com/x/log.txt?x=12902978700000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cd57c0f940a9a1ec
dashboard link: https://syzkaller.appspot.com/bug?extid=138c9e58e3cb22eae3b4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17f7004fb00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=178cf108700000

Reported-by: syzbot+138c9e58e3cb22eae3b4@...kaller.appspotmail.com
Fixes: cebe85d570cf ("ext4: switch to the new mount api")

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

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