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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-06-04 18:17:31 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-05 00:25:14 +0300 |
| commit | f8873d11d4121aad35024f9379e431e0c83abead (patch) | |
| tree | 69685ad08074b204739a05aef265cddc293258e4 /tools | |
| parent | acf2492b51c9a3c4dfb947f4d3477a86d315150f (diff) | |
| download | linux-f8873d11d4121aad35024f9379e431e0c83abead.tar.xz | |
wireguard: selftests: make sure rp_filter is disabled on vethc
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/wireguard/netns.sh | 1 |
1 files changed, 1 insertions, 0 deletions
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 |