On Thu, 25 Aug 2005, ming fu wrote:
when a GRE packet gets into the ip_gre2(), its gre header is stripped
and sent to netisr_dispatch() for ip_input() processing again. In case,
the net.isr.enable is 1, the packet will be delivered to ip_input
directly instead of put in the queue.
Probably,
Max Laier wrote:
>
> On Thursday 25 August 2005 22:10, ming fu wrote:
> > Hi,
> >
> > This problem exit in some old gre.c (not a part of official freebsd) to
> > handle wccp packets. A carefully crafted packet can cause it to deplete
> > kernel stack and casuing a panic. It can crash a 4.2 kernel
On Thursday 25 August 2005 22:10, ming fu wrote:
> Hi,
>
> This problem exit in some old gre.c (not a part of official freebsd) to
> handle wccp packets. A carefully crafted packet can cause it to deplete
> kernel stack and casuing a panic. It can crash a 4.2 kernel with about
> 200-300 repeated ip
Hi,
This problem exit in some old gre.c (not a part of official freebsd) to
handle wccp packets. A carefully crafted packet can cause it to deplete
kernel stack and casuing a panic. It can crash a 4.2 kernel with about
200-300 repeated ip+gre header.
I believe the problem appears on FreeBSD
