Thanks for the patch, but it's double-spaced and needs to be reposted in a corrected format.
On Mon, Apr 12, 2021 at 10:32:00AM +0000, 王亮 Liang Wang wrote: > From d5c454bc9c68a6b2b40a2301a21f7337d6086d4c Mon Sep 17 00:00:00 2001 > > From: Wang Liang <[email protected]> > > Date: Mon, 12 Apr 2021 18:24:21 +0800 > > Subject: [PATCH] Fix userspace datapath crash caused by IP fragments > > > The ovs userspace datapath will crash on openflow packet-out message > > with IP packet largger than MTU. This patch will fix the problem. > > When pre-processing IP fragments, clone the packet if it has 'dnsteal' flag > set. > > > Signed-off-by: Wang Liang <[email protected]> > > --- > > lib/ipf.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > diff --git a/lib/ipf.c b/lib/ipf.c > > index c20bcc0b3..43f81706c 100644 > > --- a/lib/ipf.c > > +++ b/lib/ipf.c > > @@ -811,7 +811,7 @@ ipf_process_frag(struct ipf *ipf, struct ipf_list > *ipf_list, > > * recommend not setting the mempool number of buffers too low > > * and also clamp the number of fragments. */ > > struct ipf_frag *frag = &ipf_list->frag_list[last_inuse_idx + 1]; > > - frag->pkt = pkt; > > + frag->pkt = dnsteal ? dp_packet_clone(pkt) : pkt; > > frag->start_data_byte = start_data_byte; > > frag->end_data_byte = end_data_byte; > > frag->dnsteal = dnsteal; > > -- > > 2.27.0 > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
