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-rw-r--r--net/ipv4/route.c1
-rwxr-xr-xtools/testing/selftests/net/rtnetlink.sh15
2 files changed, 16 insertions, 0 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c4ddbc5f01fc..ce92f73cf104 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2849,6 +2849,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
err = -rt->dst.error;
} else {
fl4.flowi4_iif = LOOPBACK_IFINDEX;
+ skb->dev = net->loopback_dev;
rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb);
err = 0;
if (IS_ERR(rt))
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index c5cbea9b317d..78fc593dfe40 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -205,6 +205,8 @@ kci_test_polrouting()
kci_test_route_get()
{
+ local hash_policy=$(sysctl -n net.ipv4.fib_multipath_hash_policy)
+
ret=0
ip route get 127.0.0.1 > /dev/null
@@ -223,6 +225,19 @@ kci_test_route_get()
check_err $?
ip route get 10.23.7.11 from 10.23.7.12 iif "$devdummy" > /dev/null
check_err $?
+ ip route add 10.23.8.0/24 \
+ nexthop via 10.23.7.13 dev "$devdummy" \
+ nexthop via 10.23.7.14 dev "$devdummy"
+ check_err $?
+ sysctl -wq net.ipv4.fib_multipath_hash_policy=0
+ ip route get 10.23.8.11 > /dev/null
+ check_err $?
+ sysctl -wq net.ipv4.fib_multipath_hash_policy=1
+ ip route get 10.23.8.11 > /dev/null
+ check_err $?
+ sysctl -wq net.ipv4.fib_multipath_hash_policy="$hash_policy"
+ ip route del 10.23.8.0/24
+ check_err $?
ip addr del dev "$devdummy" 10.23.7.11/24
check_err $?