From: Hangbin Liu liuhangbin@gmail.com
This patch has been added to the stable tree. If you have any objections, please let us know.
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[ Upstream commit f859b4af1c52493ec21173ccc73d0b60029b5b88 ]
After parsing the sit netlink change info, we forget to update frag_off in ipip6_tunnel_update(). Fix it by assigning frag_off with new value.
Reported-by: Jianlin Shi jishi@redhat.com Signed-off-by: Hangbin Liu liuhangbin@gmail.com Acked-by: Nicolas Dichtel nicolas.dichtel@6wind.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- net/ipv6/sit.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 85c4b2fff504..295502b261a8 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1092,6 +1092,7 @@ static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p) ipip6_tunnel_link(sitn, t); t->parms.iph.ttl = p->iph.ttl; t->parms.iph.tos = p->iph.tos; + t->parms.iph.frag_off = p->iph.frag_off; if (t->parms.link != p->link) { t->parms.link = p->link; ipip6_tunnel_bind_dev(t->dev);