[Bridge] [patch] rstpd crashes with GARP/GMRP packets

Srinivas M.A. srinivas.aji at gmail.com
Wed Jul 2 23:23:06 PDT 2008


This looks like the earlier patch, for NETLINK size fixes. Could you
resend the intended patch. Thanks.

On Thu, Jul 3, 2008 at 4:39 AM, Solomon Peachy <solomon at linux-wlan.com> wrote:
> The attached patch, against Shrinivas's May 7, 2008 snapshot, fixes a
> null pointer dereference that occurs when we receive a packet from the
> brige interface that bears the STP MACADDR, but is *not* a STP packet.
>
> Specifically, I was receiving GMRP packets (see 802.1D-2004 10.1) from a
> 3Com switch.
>
> I don't know what we should do with these -- but crashing isn't it.  I
> can send over a packet dump and more debugging info if desired.

Looks like we aren't validating the BPDU as we should be. Please send
any debugging information you have.


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