| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 067/267] selftests/net: in rxtimestamp getopt_long needs terminating null entry | Date | Fri, 19 Jun 2020 16:30:52 +0200 |
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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- tools/testing/selftests/networking/timestamping/rxtimestamp.c | 1 + 1 file changed, 1 insertion(+)
--- 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;
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