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authorJakub Kicinski2021-10-29 08:51:34 -0700
committerDavid S. Miller2021-11-01 13:12:48 +0000
commit42dcfd850e514b229d616a53dec06d0f2533217c (patch)
tree535ebfe93c501e7fa1e77db149ac01b53ff18d72 /net
parent6de6e46d27ef386feecdbea56b3bfd6c3b3bc1f9 (diff)
udp6: allow SO_MARK ctrl msg to affect routing
Commit c6af0c227a22 ("ip: support SO_MARK cmsg") added propagation of SO_MARK from cmsg to skb->mark. For IPv4 and raw sockets the mark also affects route lookup, but in case of IPv6 the flow info is initialized before cmsg is parsed. Fixes: c6af0c227a22 ("ip: support SO_MARK cmsg") Reported-and-tested-by: Xintong Hu <huxintong@fb.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/udp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8d785232b479..be6dc64ece29 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1435,7 +1435,6 @@ do_udp_sendmsg:
if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->sticky_pktinfo.ipi6_ifindex;
- fl6.flowi6_mark = ipc6.sockc.mark;
fl6.flowi6_uid = sk->sk_uid;
if (msg->msg_controllen) {
@@ -1471,6 +1470,7 @@ do_udp_sendmsg:
ipc6.opt = opt;
fl6.flowi6_proto = sk->sk_protocol;
+ fl6.flowi6_mark = ipc6.sockc.mark;
fl6.daddr = *daddr;
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
fl6.saddr = np->saddr;