On Mon, Jun 20, 2016 at 02:42:59PM +0200, Pablo Neira Ayuso wrote: > On Mon, Jun 20, 2016 at 01:19:52PM +0200, Florian Westphal wrote: > > nfq_open_nfnl uses an intermediate static object, so when > > it is invoked by distinct threads at the same time there is a small > > chance that some threads end up with another threads nfq_handle pointer > > stored in ->data. > > > > Tested-by: Michal Tesar <mtesar@xxxxxxxxxx> > > Signed-off-by: Florian Westphal <fw@xxxxxxxxx> > > Acked-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> Wait wait... This is allocated in this stack? struct nfq_handle *nfq_open_nfnl(struct nfnl_handle *nfnlh) { + struct nfnl_callback pkt_cb = { + .call = __nfq_rcv_pkt, + .attr_count = NFQA_MAX, + }; Then accessed out of it? I mean, this is passed by reference to the callback registration. -- 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