Thanks David, > > diff --git a/net/core/skbuff.c b/net/core/skbuff.c > > index f8abf68..eb81f76 100644 > > --- a/net/core/skbuff.c > > +++ b/net/core/skbuff.c > > @@ -334,7 +334,7 @@ static void skb_release_data(struct sk_buff *skb) > > if (!skb->cloned || > > !atomic_sub_return(skb->nohdr ? (1 << SKB_DATAREF_SHIFT) + 1 : 1, > > &skb_shinfo(skb)->dataref)) { > > - if (skb_shinfo(skb)->nr_frags) { > > + if (skb_shinfo(skb)->nr_frags && skb_has_frags(skb)) { > > int i; > > for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) > > put_page(skb_shinfo(skb)->frags[i].page); > > skb_shinfo(skb)->nr_frags counts the number of entries contained > in the skb_shinfo(skb)->frags[] array. > > This has nothing to do with the frag list pointer, > skb_shinfo(skb)->frag_list, which is what skb_has_frags() > tests. > > You've got some kind of memory corruption going on and it > appears to have nothing to do with the code paths you're > playing with here. Do you have any recommendation on debugging technique/tool for this memory corruption issue? Best Regards Abraham -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html