linux-kernel - Re: [syzbot] general protection fault in nbd_disconnect_and

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Date:   Wed, 22 Sep 2021 09:11:07 -0700
From:   syzbot <syzbot+db0c9917f71539bc4ad1@...kaller.appspotmail.com>
To:     axboe@...nel.dk, cs.temp3@...hargemaster.com, hdanton@...a.com,
        josef@...icpanda.com, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mail@...rudhrb.com, nbd@...er.debian.org, nsd-public@...ice.gov.hk,
        stephen.s.brennan@...cle.com, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] general protection fault in nbd_disconnect_and_put

syzbot suspects this issue was fixed by commit:

commit 794ebcea865bff47231de89269e9d542121ab7be
Author: Stephen Brennan <stephen.s.brennan@...cle.com>
Date:   Wed Sep 1 17:51:42 2021 +0000

    namei: Standardize callers of filename_lookup()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1163691d300000
start commit:   acd3d2859453 Merge tag 'fixes-v5.13' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f04bb30bd3c55050
dashboard link: https://syzkaller.appspot.com/bug?extid=db0c9917f71539bc4ad1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13f63543d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=122c8ef1d00000

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

#syz fix: namei: Standardize callers of filename_lookup()

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