From: Andy Lutomirski <luto@kernel.org>
To: x86@kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>, Andy Lutomirski <luto@kernel.org>
Subject: [PATCH 1/2] selftests/x86/fsgsbase: Reap a forgotten child
Date: Wed, 26 Aug 2020 10:00:45 -0700 [thread overview]
Message-ID: <e7700a503f30e79ab35a63103938a19893dbeff2.1598461151.git.luto@kernel.org> (raw)
In-Reply-To: <cover.1598461151.git.luto@kernel.org>
The ptrace() test forgot to reap its child. Reap it.
Signed-off-by: Andy Lutomirski <luto@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 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()
--
2.25.4
next prev parent reply other threads:[~2020-08-26 17:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 17:00 [PATCH 0/2] selftests/x86: fsgsbase test updates Andy Lutomirski
2020-08-26 17:00 ` Andy Lutomirski [this message]
2020-08-26 19:02 ` [tip: x86/fsgsbase] selftests/x86/fsgsbase: Reap a forgotten child tip-bot2 for Andy Lutomirski
2020-08-26 17:00 ` [PATCH 2/2] selftests/x86/fsgsbase: Test PTRACE_PEEKUSER for GSBASE with invalid LDT GS Andy Lutomirski
2020-08-26 19:02 ` [tip: x86/fsgsbase] " tip-bot2 for Andy Lutomirski
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