On Thu, Jan 25, 2018 at 7:14 PM, Eric Dumazet wrote:
> On Fri, 2018-01-26 at 02:09 +, Li,Rongqing wrote:
>
>>
>> crash> bt 8683
>> PID: 8683 TASK: 881faa088000 CPU: 10 COMMAND: "mynode"
>> #0 [881fff145e78] crash_nmi_callback at 81031712
>> #1 [881fff145e88] nmi_handl
> -邮件原件-
> 发件人: Eric Dumazet [mailto:eric.duma...@gmail.com]
> 发送时间: 2018年1月26日 11:14
> 收件人: Li,Rongqing ; netdev@vger.kernel.org
> 抄送: eduma...@google.com
> 主题: Re: 答复: [PATCH] net: clean the sk_frag.page of new cloned socket
>
> On Fri, 2018-01-26 at 02:09
> > my kernel is 3.10, I did not find the root cause, I guest all kind of
> > possibility
> >
>
> Have you backported 22a0e18eac7a9e986fec76c60fa4a2926d1291e2 ?
>
>
When I see this bug, I find this commit, and backport it,
But this seems to not related to my bug.
> > > I would rather move th
On Fri, 2018-01-26 at 02:09 +, Li,Rongqing wrote:
>
> crash> bt 8683
> PID: 8683 TASK: 881faa088000 CPU: 10 COMMAND: "mynode"
> #0 [881fff145e78] crash_nmi_callback at 81031712
> #1 [881fff145e88] nmi_handle at 816cafe9
> #2 [881fff145ec8] do_nmi at
On Fri, 2018-01-26 at 02:09 +, Li,Rongqing wrote:
> > > if (newsk->sk_prot->sockets_allocated)
> > > sk_sockets_allocated_inc(newsk);
> >
> > Good catch.
> >
> > I suspect this was discovered by some syzkaller/syzbot run ?
> >
>
>
> No.
>
> I am seeing a panic,
> > if (newsk->sk_prot->sockets_allocated)
> > sk_sockets_allocated_inc(newsk);
>
> Good catch.
>
> I suspect this was discovered by some syzkaller/syzbot run ?
>
No.
I am seeing a panic, a page is in both task.task_frag.page and buddy free list;
It should no