linux-kernel - [PATCH 3/6] selftests/mm : fix test_prctl_fork

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Message-ID: <20250616160632.35250-4-aboorvad@linux.ibm.com>
Date: Mon, 16 Jun 2025 21:36:29 +0530
From: Aboorva Devarajan <aboorvad@...ux.ibm.com>
To: akpm@...ux-foundation.org, Liam.Howlett@...cle.com,
        lorenzo.stoakes@...cle.com, shuah@...nel.org, pfalcato@...e.de,
        david@...hat.com, ziy@...dia.com, baolin.wang@...ux.alibaba.com,
        npache@...hat.com, ryan.roberts@....com, dev.jain@....com,
        baohua@...nel.org
Cc: linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, donettom@...ux.ibm.com,
        ritesh.list@...il.com, aboorvad@...ux.ibm.com
Subject: [PATCH 3/6] selftests/mm : fix test_prctl_fork_exec failure

From: Donet Tom <donettom@...ux.ibm.com>

execv argument is an array of pointers to null-terminated strings.
In this patch we added NULL in the execv argument to fix the test
failure.

Signed-off-by: Donet Tom <donettom@...ux.ibm.com>
Signed-off-by: Aboorva Devarajan <aboorvad@...ux.ibm.com>
---
 tools/testing/selftests/mm/ksm_functional_tests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c
index d7d3c22c077a..6ea50272a0ba 100644
--- a/tools/testing/selftests/mm/ksm_functional_tests.c
+++ b/tools/testing/selftests/mm/ksm_functional_tests.c
@@ -579,7 +579,7 @@ static void test_prctl_fork_exec(void)
 		return;
 	} else if (child_pid == 0) {
 		char *prg_name = "./ksm_functional_tests";
-		char *argv_for_program[] = { prg_name, FORK_EXEC_CHILD_PRG_NAME };
+		char *argv_for_program[] = { prg_name, FORK_EXEC_CHILD_PRG_NAME, NULL };
 
 		execv(prg_name, argv_for_program);
 		return;
-- 
2.43.5