On Fri, Aug 25, 2023 at 11:08:29AM +0200, Sriram Yagnaraman wrote:
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 56a55585eb79..4631e03c84b4 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -424,6 +424,8 @@ void fib6_select_path(const struct net *net, struct fib6_result *res, if (match->nh && have_oif_match && res->nh) return;
- IP6CB(skb)->flags |= IP6SKB_MULTIPATH;
skb can be NULL here in case this is called as part of route query from user space, so we need:
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 4631e03c84b4..a02328c93a53 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -424,7 +424,8 @@ void fib6_select_path(const struct net *net, struct fib6_result *res, if (match->nh && have_oif_match && res->nh) return;
- IP6CB(skb)->flags |= IP6SKB_MULTIPATH; + if (skb) + IP6CB(skb)->flags |= IP6SKB_MULTIPATH;
/* We might have already computed the hash for ICMPv6 errors. In such * case it will always be non-zero. Otherwise now is the time to do it.