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SubjectRe: general protection fault in bpf_tcp_close
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On 06/07/2018 09:58 AM, Dmitry Vyukov wrote:
> On Mon, May 28, 2018 at 12:15 AM, Daniel Borkmann <daniel@iogearbox.net> wrote:
>> [ +John ]
>>
>> On 05/26/2018 11:13 AM, syzbot wrote:
>>> Hello,
>>>
>>> syzbot found the following crash on:
>>>
>>> HEAD commit: fd0bfa8d6e04 Merge branch 'bpf-af-xdp-cleanups'
>>> git tree: bpf-next
>>> console output: https://syzkaller.appspot.com/x/log.txt?x=11da9427800000
>>> kernel config: https://syzkaller.appspot.com/x/.config?x=b632d8e2c2ab2c1
>>> dashboard link: https://syzkaller.appspot.com/bug?extid=0ce137753c78f7b6acc1
>>> compiler: gcc (GCC) 8.0.1 20180413 (experimental)
>>>
>>> Unfortunately, I don't have any reproducer for this crash yet.
>>>
>>> IMPORTANT: if you fix the bug, please add the following tag to the commit:
>>> Reported-by: syzbot+0ce137753c78f7b6acc1@syzkaller.appspotmail.com
>>
>> Should be fixed by: https://patchwork.ozlabs.org/patch/920695/
>
> #syz fix: bpf: sockhash fix race with bpf_tcp_close and map delete
>

Hi, actually that patch was dropped because it needed an update. I
should have a new patch today/tomorrow though and will add the
correct fix tag then.

Thanks,
John

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