From: tannerlove tannerlove@google.com

[ Upstream commit 865a6cbb2288f8af7f9dc3b153c61b7014fdcf1e ]

getopt_long requires the last element to be filled with zeros. Otherwise, passing an unrecognized option can cause a segfault.

Fixes: 16e781224198 ("selftests/net: Add a test to validate behavior of rx timestamps") Signed-off-by: Tanner Love tannerlove@google.com Acked-by: Willem de Bruijn willemb@google.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/networking/timestamping/rxtimestamp.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/networking/timestamping/rxtimestamp.c b/tools/testing/selftests/networking/timestamping/rxtimestamp.c index dd4162fc0419..7a573fb4c1c4 100644 --- a/tools/testing/selftests/networking/timestamping/rxtimestamp.c +++ b/tools/testing/selftests/networking/timestamping/rxtimestamp.c @@ -114,6 +114,7 @@ static struct option long_options[] = { { "tcp", no_argument, 0, 't' }, { "udp", no_argument, 0, 'u' }, { "ip", no_argument, 0, 'i' }, + { NULL, 0, NULL, 0 }, };

static int next_port = 19999;