Messages in this thread |  | | | Date | Thu, 23 Dec 2010 11:02:55 +0000 | | From | Joel Soete <> | | Subject | Re: Help: major pppoe regression since 2.6.35 (panic on first ppp conection)? |
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Hello Eric,
On 12/22/2010 04:25 PM, Eric Dumazet wrote: [snip] > > Something overwrites nr_frags in skb_shinfo(skb) > > As skb_shinfo follows head portion of an skb, something overflows skb > head > > Please try adding some room like in following patch ? > > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h > index e6ba898..adf2834 100644 > --- a/include/linux/skbuff.h > +++ b/include/linux/skbuff.h > @@ -187,6 +187,7 @@ enum { > * the end of the header data, ie. at skb->end. > */ > struct skb_shared_info { > + char filler[64]; > unsigned short nr_frags; > unsigned short gso_size; > /* Warning: this field is not always filled in (UFO)! */ > Sorry for delay but I have good news, I am sending this answer from: $ uname -a Linux sidh2 2.6.37-rc7-amd64-t1 #1 SMP Thu Dec 23 10:30:27 GMT 2010 x86_64 GNU/Linux
with your tips ;<) (without kernel had already died)
That said how can find stuff overflowing skb head? (all I say, is that this issue started with 2.6.34-git6???)
Thanks a lot, J.
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