linux-kernel - [PATCH] selftests/clone3: test clone3 with exit signal in flags

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Date:   Thu,  4 May 2023 10:59:30 +0200
From:   Tobias Klauser <tklauser@...tanz.ch>
To:     Christian Brauner <brauner@...nel.org>,
        Shuah Khan <shuah@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH] selftests/clone3: test clone3 with exit signal in flags

Verify that calling clone3 with an exit signal (SIGCHLD) in flags will
fail.

Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>
---
 tools/testing/selftests/clone3/clone3.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/clone3/clone3.c b/tools/testing/selftests/clone3/clone3.c
index e495f895a2cd..e60cf4da8fb0 100644
--- a/tools/testing/selftests/clone3/clone3.c
+++ b/tools/testing/selftests/clone3/clone3.c
@@ -129,7 +129,7 @@ int main(int argc, char *argv[])
 	uid_t uid = getuid();
 
 	ksft_print_header();
-	ksft_set_plan(18);
+	ksft_set_plan(19);
 	test_clone3_supported();
 
 	/* Just a simple clone3() should return 0.*/
@@ -198,5 +198,8 @@ int main(int argc, char *argv[])
 	/* Do a clone3() in a new time namespace */
 	test_clone3(CLONE_NEWTIME, 0, 0, CLONE3_ARGS_NO_TEST);
 
+	/* Do a clone3() with exit signal (SIGCHLD) in flags */
+	test_clone3(SIGCHLD, 0, -EINVAL, CLONE3_ARGS_NO_TEST);
+
 	ksft_finished();
 }
-- 
2.40.0