linux-kernel - [PATCH] [PATCH v4] selftests/seccomp: Fix indentation and rebase error logging patch

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Message-ID: <20251127033154.12290-1-sameekshasankpal@gmail.com>
Date: Thu, 27 Nov 2025 09:01:54 +0530
From: Sameeksha Sankpal <sameekshasankpal@...il.com>
To: kees@...nel.org
Cc: luto@...capital.net,
	wad@...omium.org,
	shuah@...nel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bpf@...r.kernel.org,
	Sameeksha Sankpal <sameekshasankpal@...il.com>
Subject: [PATCH] [PATCH v4] selftests/seccomp: Fix indentation and rebase error logging patch

v4:
 - Resending v3 after reviewer feedback (Shuah Khan).
 - No code changes.
 - Fixes email formatting and broken threading in earlier versions.

v3:
 - Rebased against upstream seccomp tree.
 - Fixed indentation to use tabs instead of spaces.
 - Used scripts/checkpatch.pl to fix warnings.
 - Removed blank line before Signed-off-by.

v2:
 - Used TH_LOG instead of printf for error logging.
 - Moved variable declaration to the top of the function.
 - Applied review suggestions from Kees Cook.

v1:
 - Initial patch to improve error logging in get_proc_stat().

Suggested-by: Kees Cook <kees@...nel.org>
Signed-off-by: Sameeksha Sankpal <sameekshasankpal@...il.com>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 61acbd45ffaa..dbd7e705a2af 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -4508,9 +4508,14 @@ static char get_proc_stat(struct __test_metadata *_metadata, pid_t pid)
 	char proc_path[100] = {0};
 	char status;
 	char *line;
+	int rc;
 
 	snprintf(proc_path, sizeof(proc_path), "/proc/%d/stat", pid);
 	ASSERT_EQ(get_nth(_metadata, proc_path, 3, &line), 1);
+	rc = get_nth(_metadata, proc_path, 3, &line);
+	ASSERT_EQ(rc, 1) {
+		TH_LOG("user_notification_fifo: failed to read stat for PID %d (rc=%d)", pid, rc);
+	}
 
 	status = *line;
 	free(line);
-- 
2.43.0