Re: kernel BUG at net/core/skbuff.c in linux-2.6.21-rc6

From: Herbert Xu
Date: Wed Apr 18 2007 - 17:37:31 EST


Hi Paul:

Paul Mackerras <paulus@xxxxxxxxx> wrote:
>
> So this doesn't change process_input_packet(), which treats the case
> where the first byte is 0xff (PPP_ALLSTATIONS) but the second byte is
> 0x03 (PPP_UI) as indicating a packet with a PPP protocol number of
> 0xff. Arguably that's wrong since PPP protocol 0xff is reserved, and
> the RFC does envision the possibility of receiving frames where the
> control field has values other than 0x03.

Your fix is probably needed too. However, I think the issue that Patrick
was trying to fix is the case where p[0] != PPP_ALLSTATIONS and therefore
we'd still have a problem there.

Cheers,
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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