[PATCH net] selftests/wireguard: make sure rp_filter disabled on vethc
flat view
STALE1959d
From: Hangbin Liu <hidden>
Date: 2021-05-25 12:15:21
Subsystem:
kernel selftest framework, the rest, wireguard secure network tunnel · Maintainers:
Shuah Khan, Shuah Khan, Linus Torvalds, Jason A. Donenfeld
Some distros may enable strict rp_filter by default, which will previent vethc receive the packets with unrouteable reverse path address. Signed-off-by: Hangbin Liu <redacted> --- tools/testing/selftests/wireguard/netns.sh | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh
index 7ed7cd95e58f..37b12f642254 100755
--- a/tools/testing/selftests/wireguard/netns.sh
+++ b/tools/testing/selftests/wireguard/netns.sh@@ -363,6 +363,7 @@ ip1 -6 rule add table main suppress_prefixlength 0 ip1 -4 route add default dev wg0 table 51820 ip1 -4 rule add not fwmark 51820 table 51820 ip1 -4 rule add table main suppress_prefixlength 0 +n1 sysctl -w net.ipv4.conf.vethc.rp_filter=0 # Flood the pings instead of sending just one, to trigger routing table reference counting bugs. n1 ping -W 1 -c 100 -f 192.168.99.7 n1 ping -W 1 -c 100 -f abab::1111
--
2.26.3