4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx> [ Upstream commit 51dc63e3911fbb1f0a7a32da2fe56253e2040ea4 ] When processing icmp unreachable message for erspan tunnel, tunnel id should be erspan_net_id instead of ipgre_net_id. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Cc: William Tu <u9012063@xxxxxxxxx> Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx> Acked-by: William Tu <u9012063@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv4/ip_gre.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -177,6 +177,8 @@ static void ipgre_err(struct sk_buff *sk if (tpi->proto == htons(ETH_P_TEB)) itn = net_generic(net, gre_tap_net_id); + else if (tpi->proto == htons(ETH_P_ERSPAN)) + itn = net_generic(net, erspan_net_id); else itn = net_generic(net, ipgre_net_id);