@@ -375,6 +375,42 @@ EOF
wait 2>/dev/null
}
+test_queue_removal()
+{
+ read tainted_then < /proc/sys/kernel/tainted
+
+ ip netns exec "$ns1" nft -f - <<EOF
+flush ruleset
+table ip filter {
+ chain output {
+ type filter hook output priority 0; policy accept;
+ ip protocol icmp queue num 0
+ }
+}
+EOF
+ ip netns exec "$ns1" ./nf_queue -q 0 -d 30000 -t "$timeout" &
+ local nfqpid=$!
+
+ busywait "$BUSYWAIT_TIMEOUT" nf_queue_wait "$ns1" 0
+
+ ip netns exec "$ns1" ping -w 2 -f -c 10 127.0.0.1 -q >/dev/null
+ kill $nfqpid
+
+ ip netns exec "$ns1" nft flush ruleset
+
+ if [ "$tainted_then" -ne 0 ];then
+ return
+ fi
+
+ read tainted_now < /proc/sys/kernel/tainted
+ if [ "$tainted_now" -eq 0 ];then
+ echo "PASS: queue program exiting while packets queued"
+ else
+ echo "TAINT: queue program exiting while packets queued"
+ ret=1
+ fi
+}
+
ip netns exec "$nsrouter" sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
ip netns exec "$nsrouter" sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
ip netns exec "$nsrouter" sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
@@ -413,5 +449,6 @@ test_tcp_localhost
test_tcp_localhost_connectclose
test_tcp_localhost_requeue
test_icmp_vrf
+test_queue_removal
exit $ret