| Message ID | 20210604151738.220232-3-Jason@zx2c4.com |
|---|---|
| State | New |
| Headers | show |
| Series | wireguard fixes for 5.13-rc5 | expand |
diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh index 7ed7cd95e58f..ebc4ee0fe179 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 bash -c 'printf 0 > /proc/sys/net/ipv4/conf/vethc/rp_filter' # 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
Some distros may enable strict rp_filter by default, which will prevent vethc from receiving the packets with an unrouteable reverse path address. Reported-by: Hangbin Liu <liuhangbin@gmail.com> Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") Cc: stable@vger.kernel.org Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> --- tools/testing/selftests/wireguard/netns.sh | 1 + 1 file changed, 1 insertion(+)