From: Andy Lutomirski <luto@kernel.org>
Date: Wed, 26 Aug 2020 17:00:45 +0000 (-0700)
Subject: selftests/x86/fsgsbase: Reap a forgotten child
X-Git-Tag: io_uring-5.10-2020-10-20~138^2~1
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ab2dd173330a3f07142e68cd65682205036cd00f;p=linux-block.git

selftests/x86/fsgsbase: Reap a forgotten child

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
---

diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c
index 998319553523..0056e2597f53 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()