netdev - Re: general protection fault in tcp_cleanup

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Date:   Wed, 13 Nov 2019 08:50:51 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     syzbot <syzbot+0b3ccd4f62dac2cf3a7d@...kaller.appspotmail.com>,
        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 wrote:
> 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

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