Subject: Re: [Patch net] garp: fix a NULL pointer dereference bug

From: Cong Wang <[email-masked]>
Date: Mon, 04 Mar 2013 17:55:55 +0800

On Sun, 2013-03-03 at 21:26 -0800, Eric Dumazet wrote:
> 
> Nope this patch doesnt solve the problem
> 
> Crash is in :
> 
> 49 8b 1c c6             mov    (%r14,%rax,8),%rbx 
> 
> Thats because r14 (port) is NULL
> 
> 
> 

Hmm, but I can't see how it can be NULL, the only place of NULL'ing it
is inside garp_release_port(), right after the piece of code that I
patched.

Thanks!