| From 05c8a72c1f479365c98080f1d199ebaa8c61a075 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Wed, 26 Aug 2020 10:00:45 -0700 |
| Subject: selftests/x86/fsgsbase: Reap a forgotten child |
| |
| From: Andy Lutomirski <luto@kernel.org> |
| |
| [ Upstream commit ab2dd173330a3f07142e68cd65682205036cd00f ] |
| |
| The ptrace() test forgot to reap its child. Reap it. |
| |
| Signed-off-by: Andy Lutomirski <luto@kernel.org> |
| Signed-off-by: Ingo Molnar <mingo@kernel.org> |
| Link: https://lore.kernel.org/r/e7700a503f30e79ab35a63103938a19893dbeff2.1598461151.git.luto@kernel.org |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| tools/testing/selftests/x86/fsgsbase.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c |
| index 9983195535237..0056e2597f53a 100644 |
| --- a/tools/testing/selftests/x86/fsgsbase.c |
| +++ b/tools/testing/selftests/x86/fsgsbase.c |
| @@ -517,6 +517,9 @@ static void test_ptrace_write_gsbase(void) |
| |
| END: |
| ptrace(PTRACE_CONT, child, NULL, NULL); |
| + wait(&status); |
| + if (!WIFEXITED(status)) |
| + printf("[WARN]\tChild didn't exit cleanly.\n"); |
| } |
| |
| int main() |
| -- |
| 2.27.0 |
| |
