linux-kernel - Re: general protection fault in tcp_cleanup

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Message-ID: <000000000000f90bb30596c1d438@google.com>
Date:   Thu, 07 Nov 2019 05:42:09 -0800
From:   syzbot <syzbot+0b3ccd4f62dac2cf3a7d@...kaller.appspotmail.com>
To:     ast@...nel.org, bpf@...r.kernel.org, daniel@...earbox.net,
        davem@...emloft.net, edumazet@...gle.com, john.fastabend@...il.com,
        kafai@...com, kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, yhs@...com,
        yoshfuji@...ux-ipv6.org
Subject: Re: general protection fault in tcp_cleanup_ulp

syzbot suspects this bug was fixed by commit:

commit 5607fff303636d48b88414c6be353d9fed700af2
Author: John Fastabend <john.fastabend@...il.com>
Date:   Tue Sep 18 16:01:44 2018 +0000

     bpf: sockmap only allow ESTABLISHED sock state

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17fdc73c600000
start commit:   28619527 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree:       bpf
kernel config:  https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=0b3ccd4f62dac2cf3a7d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13537269400000

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

#syz fix: bpf: sockmap only allow ESTABLISHED sock state

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