On Fri, 2015-10-30 at 21:42 +, Haiyang Zhang wrote:
>
>
> With your 2nd patch, I saw:
> [ 19.242104] Wow ! headroom=164 while hh_len(eth0)=240
>
> After adding the 3rd patch with increased LL_MAX_HEADER,
> the warning and stack trace no longer show up.
>
> Also, could you fix the net cor
> -Original Message-
> From: Eric Dumazet [mailto:eric.duma...@gmail.com]
> Sent: Friday, October 30, 2015 4:19 PM
> To: Haiyang Zhang
> Cc: eduma...@google.com; David Miller ;
> netdev@vger.kernel.org; KY Srinivasan
> Subject: Re: [patch] tcp: attach SYNACK messag
> > To: Haiyang Zhang
> > > Cc: eduma...@google.com; David Miller ;
> > > netdev@vger.kernel.org; KY Srinivasan
> > > Subject: Re: [patch] tcp: attach SYNACK messages to request sockets
> > > instead of listener
> > >
> > >
> &
On Fri, 2015-10-30 at 13:02 -0700, Eric Dumazet wrote:
> So it looks like you have a device with a very big hh_len
>
> MAX_TCP_HEADER is not enough space to hold all headers, and this is the
> bug that needs to be fixed. This is scary to realloc all tcp packets !
>
drivers/net/hyperv/netvsc_drv
; netdev@vger.kernel.org; KY Srinivasan
> > Subject: Re: [patch] tcp: attach SYNACK messages to request sockets
> > instead of listener
> >
> >
> > Thanks for this report.
> >
> > Somehow I knew such bugs would surface ;)
> >
> > Please tr
> -Original Message-
> From: Eric Dumazet [mailto:eric.duma...@gmail.com]
> Sent: Thursday, October 29, 2015 6:59 PM
> To: Haiyang Zhang
> Cc: eduma...@google.com; David Miller ;
> netdev@vger.kernel.org; KY Srinivasan
> Subject: Re: [patch] tcp: attach SYNAC
f9b65dc0aac02ff97704d52a05 (patch)
> tcp: attach SYNACK messages to request sockets instead of listener
>
> Stack trace:
> [ 96.235084] general protection fault: [#1] SMP
> [ 96.235084] Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6
> ipt_REJECT nf_rej
?
http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=ca6fb06518836ef9b65dc0aac02ff97704d52a05
author Eric Dumazet 2015-10-02 18:43:35 (GMT)
commit ca6fb06518836ef9b65dc0aac02ff97704d52a05 (patch)
tcp: attach SYNACK messages to request sockets instead of listener
Stack