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    Subject[PATCH net 2/4] selftests/tcp_ao: Zero-init tcp_ao_info_opt
    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))
    --
    2.42.0



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