On Fri, Mar 28, 2014 at 12:46:22PM +0100, Arturo Borrero Gonzalez wrote: > +static int nf_tables_setelem_notify(const struct nft_ctx *ctx, > + const struct nft_set *set, > + const struct nft_set_elem *elem, > + int event, u16 flags) > +{ > ... > + err = nfnetlink_send(skb, net, portid, NFNLGRP_NFTABLES, report, > + GFP_KERNEL); > +err_free: > + kfree_skb(skb); There's the reason of your crash. You must not free the skb after sending it. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html