selftests/x86/fsgsbase: Reap a forgotten child

amluto · gregkh · commit d3e8ba30b2b2 · 2020-11-05T11:51:17.000+01:00
[ Upstream commit ab2dd17 ] 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>
diff --git 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()

Original file line number	Diff line number	Diff line change
`@@ -517,6 +517,9 @@ static void test_ptrace_write_gsbase(void)`
`517`	`517`
`518`	`518`	`END:`
`519`	`519`	`ptrace(PTRACE_CONT, child, NULL, NULL);`
	`520`	`+ wait(&status);`
	`521`	`+ if (!WIFEXITED(status))`
	`522`	`+ printf("[WARN]\tChild didn't exit cleanly.\n");`
`520`	`523`	`}`
`521`	`524`
`522`	`525`	`int main()`