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path: root/net/ipv6/seg6_local.c
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Diffstat (limited to 'net/ipv6/seg6_local.c')
-rw-r--r--net/ipv6/seg6_local.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index 9d4f75e0d33a..e70567446f28 100644
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -81,6 +81,11 @@ static struct ipv6_sr_hdr *get_srh(struct sk_buff *skb)
if (!pskb_may_pull(skb, srhoff + len))
return NULL;
+ /* note that pskb_may_pull may change pointers in header;
+ * for this reason it is necessary to reload them when needed.
+ */
+ srh = (struct ipv6_sr_hdr *)(skb->data + srhoff);
+
if (!seg6_validate_srh(srh, len))
return NULL;
@@ -336,6 +341,8 @@ static int input_action_end_dx6(struct sk_buff *skb,
if (!ipv6_addr_any(&slwt->nh6))
nhaddr = &slwt->nh6;
+ skb_set_transport_header(skb, sizeof(struct ipv6hdr));
+
seg6_lookup_nexthop(skb, nhaddr, 0);
return dst_input(skb);
@@ -365,6 +372,8 @@ static int input_action_end_dx4(struct sk_buff *skb,
skb_dst_drop(skb);
+ skb_set_transport_header(skb, sizeof(struct iphdr));
+
err = ip_route_input(skb, nhaddr, iph->saddr, 0, skb->dev);
if (err)
goto drop;
@@ -385,6 +394,8 @@ static int input_action_end_dt6(struct sk_buff *skb,
if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
goto drop;
+ skb_set_transport_header(skb, sizeof(struct ipv6hdr));
+
seg6_lookup_nexthop(skb, NULL, slwt->table);
return dst_input(skb);