selftests: netfilter: Avoid hanging ipvs.sh

If the client can't reach the server, the latter remains listening
forever. Kill it after 5s of waiting.

Fixes: 867d2190799a ("selftests: netfilter: add ipvs test script")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/tools/testing/selftests/net/netfilter/ipvs.sh b/tools/testing/selftests/net/netfilter/ipvs.sh
index 4ceee9f..d3edb16 100755 (executable)
--- a/tools/testing/selftests/net/netfilter/ipvs.sh
+++ b/tools/testing/selftests/net/netfilter/ipvs.sh
@@ -97,7 +97,7 @@ cleanup() {
 }
 
 server_listen() {
-       ip netns exec "$ns2" socat -u -4 TCP-LISTEN:8080,reuseaddr STDOUT > "${outfile}" &
+       ip netns exec "$ns2" timeout 5 socat -u -4 TCP-LISTEN:8080,reuseaddr STDOUT > "${outfile}" &
        server_pid=$!
        sleep 0.2
 }