Re: [RFC PATCH bpf-next 6/9] bpf: fib_lookup: Honor oif in IPv6 output route lookups

On 2/26/26 1:41 AM, bot+bpf-ci@kernel.org wrote:

quoted

diff --git a/net/core/filter.c b/net/core/filter.c
index 0d5d5a17acb2..e92552b139b1 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c

@@ -6255,6 +6255,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 	if (flags & BPF_FIB_LOOKUP_OUTPUT) {
 		fl6.flowi6_iif = 1;
 		oif = fl6.flowi6_oif = params->ifindex;
+		strict = RT6_LOOKUP_F_IFACE;
 	} else {

The fix itself looks correct. Since this addresses a bug that has been
present since the original bpf_fib_lookup helper was introduced, should
this carry a Fixes tag?

Fixes: 87f5fc7e48dd ("bpf: Provide helper to do forwarding lookups in kernel FIB table")

+1. I would consider this a bug fix.