[PATCH v3 1/7] selftests/resctrl: Fix uninitialized .sa_flags

From: Ilpo Järvinen
Date: Fri Sep 29 2023 - 07:21:11 EST


signal_handler_unregister() calls sigaction() with uninitializing
sa_flags in the struct sigaction.

Make sure sa_flags is always initialized in signal_handler_unregister()
by initializing the struct sigaction when declaring it.

Fixes: 73c55fa5ab55 (selftests/resctrl: Commonize the signal handler register/unregister for all tests)
Suggested-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
tools/testing/selftests/resctrl/resctrl_val.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index 51963a6f2186..1e8b90077218 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -504,7 +504,7 @@ int signal_handler_register(void)
*/
void signal_handler_unregister(void)
{
- struct sigaction sigact;
+ struct sigaction sigact = {};

sigact.sa_handler = SIG_DFL;
sigemptyset(&sigact.sa_mask);
--
2.30.2