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selftests/net: in rxtimestamp getopt_long needs terminating null entry

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[ Upstream commit 865a6cbb2288f8af7f9dc3b153c61b7014fdcf1e ]

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

Fixes: 16e7812241 ("selftests/net: Add a test to validate behavior of rx timestamps")
Signed-off-by: Tanner Love <[email protected]>
Acked-by: Willem de Bruijn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
tannerlove 2020-06-09 17:21:32 -04:00 • committed by Greg Kroah-Hartman
commit 57bad9e291
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/networking/timestamping/rxtimestamp.c
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@ -115,6 +115,7 @@ 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;