From: Dmitry Safonov 0x7f454c46@gmail.com
The structure is on the stack and has to be zero-initialized as the kernel checks for:
if (in.reserved != 0 || in.reserved2 != 0) return -EINVAL;
Fixes: b26660531cf6 ("selftests/net: Add test for TCP-AO add setsockopt() command") Signed-off-by: Dmitry Safonov 0x7f454c46@gmail.com --- tools/testing/selftests/net/tcp_ao/setsockopt-closed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c index 452de131fa3a..517930f9721b 100644 --- a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c +++ b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c @@ -21,7 +21,7 @@ static void make_listen(int sk) static void test_vefify_ao_info(int sk, struct tcp_ao_info_opt *info, const char *tst) { - struct tcp_ao_info_opt tmp; + struct tcp_ao_info_opt tmp = {}; socklen_t len = sizeof(tmp);
if (getsockopt(sk, IPPROTO_TCP, TCP_AO_INFO, &tmp, &len))