linux-kernel - Re: general protection fault in vsock

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Message-ID: <00000000000093b5dc05ab90c468@google.com>
Date:   Wed, 29 Jul 2020 01:59:05 -0700
From:   syzbot <syzbot+a61bac2fcc1a7c6623fe@...kaller.appspotmail.com>
To:     davem@...emloft.net, decui@...rosoft.com, jhansen@...are.com,
        kuba@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, sgarzare@...hat.com, stefanha@...hat.com,
        syzkaller-bugs@...glegroups.com,
        virtualization@...ts.linux-foundation.org
Subject: Re: general protection fault in vsock_poll

syzbot has bisected this issue to:

commit 408624af4c89989117bb2c6517bd50b7708a2fcd
Author: Stefano Garzarella <sgarzare@...hat.com>
Date:   Tue Dec 10 10:43:06 2019 +0000

    vsock: use local transport when it is loaded

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17e6489b100000
start commit:   92ed3019 Linux 5.8-rc7
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1416489b100000
console output: https://syzkaller.appspot.com/x/log.txt?x=1016489b100000
kernel config:  https://syzkaller.appspot.com/x/.config?x=84f076779e989e69
dashboard link: https://syzkaller.appspot.com/bug?extid=a61bac2fcc1a7c6623fe
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15930b64900000

Reported-by: syzbot+a61bac2fcc1a7c6623fe@...kaller.appspotmail.com
Fixes: 408624af4c89 ("vsock: use local transport when it is loaded")

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