This is a note to let you know that I've just added the patch titled selftests/tcp_ao: Zero-init tcp_ao_info_opt to the 6.8-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: selftests-tcp_ao-zero-init-tcp_ao_info_opt.patch and it can be found in the queue-6.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 1b12b6cc1a557cd385f6fc97e870edb127c5bf89 Author: Dmitry Safonov <0x7f454c46@xxxxxxxxx> Date: Sat Apr 13 02:42:53 2024 +0100 selftests/tcp_ao: Zero-init tcp_ao_info_opt [ Upstream commit b089b3bead532419cdcbd8e4e0a3e23c49d11573 ] 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@xxxxxxxxx> Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c index 452de131fa3a9..517930f9721bd 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))