From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9033D449B3E for ; Thu, 8 Oct 2026 14:27:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791469667; cv=none; b=adJKZDL8zKQFTijzlV/VqkToSwi889xkTa6/1yJAlJ6DfxEdDkS32LN9YbS+1ix/KaGYYOUJIE7J0EUKme65O59mKS5dOhztAW/CDJYs/TY427L9krWnqshjXjbZcmKRDbGfnZ0Nacp4czoJFTTz8F79SBdiUIZlbL5+f9RA4eI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791469667; c=relaxed/simple; bh=m5ow1J9jdoEMi1CXJk8/S4UkgRL/ss96Vuk19sTxtY8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Uj66rukUv1n0L/AktvjWAWTTTjL/KPbhvV/SSdFJN2lD+mK1UcpoU28L6vOXU0G5w0Agtus08xGTwyaKCLoev5DT9zuy24QuCPUNX3CPkLGNHSgHaU+kNpnkPdQZ/SeTDQaG1bxw2I8xpvMGRM8xQdtids/zTtwz4qeaoDtpUqE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Ei+sdUeB; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ei+sdUeB" Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-49e73611928so5903145e9.1 for ; Thu, 08 Oct 2026 07:27:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1791469664; x=1792074464; darn=vger.kernel.org; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to:content-type; bh=YZISr/L9O4I7MRbnn9NJb2XEWKkc1K5iiNHqgDIFDWo=; b=Ei+sdUeBu1qLgwTVVj2LrRNhBdlQStMypGTqf3C7xtNblB1TVX/dUJMVb0St3F7P+g acC3ay1aoyeiQQEmk2K0MTBsfRAsMcs6lKClV6zga+9EzvVL5puFUCzx5MauWIsIbG/c iv+AgUdHds1ws3BQ3Re6DvazqpQ7q7G0JHY5uY+H9cUkw9ay1fGbUyDGksr5HseZAjkO 1PhZ8BMN1xPPdIhN1A6AcikOL/ETtIFFpFN2pmGyju0czYEmuTrmE/lFvDEzu0JaIxKA ygzvNXDbt7be/Wzk85AkaysVvTSHJDgri2cPs30Bcr3OSCLJbR6WMvVuuslCXTRGvZjq epXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791469664; x=1792074464; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:date:subject:cc:to:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=YZISr/L9O4I7MRbnn9NJb2XEWKkc1K5iiNHqgDIFDWo=; b=XYtULtbYi9I07a3rJhYvYPWV2o3w9gdmdB7nAj226uc8uZm/fA6dQ6IeLTxYQVkMF5 UGSANqDANH8ATNlxvoPI/XBMmpR9K0JRmRZZKyAl/urw3m9KtkCHYrBmYsgCf+eX9rPg Iwh2Z4xQncKn9iXvqB+ttKQof8n0FwTdN2t1kI8XT4kPXmJNtBxFNir7gLV0UGu6eb/a WqpGl5855LeHGLCYGLOqDKNhhASfJz9d7VZ1aWBCP6K5uVNwoeq/q4eGrHW16AaiGrhh ZwbqpvCEQG1lMQ8Vrfp7aCqdJzLdOFNt8PsDFqKtJH8ylUHjA9jOPsRt9ukAbIo10lzM ApNA== X-Forwarded-Encrypted: i=1; AKwUvBxfmh829LsbcAfT/eSl43fBJh0o/tFp37IPAeYZFekpFs/Cu7U8if64c8KT4e2Orlo3saoel3fQ7cW2l5o=@vger.kernel.org X-Gm-Message-State: AFuF++kiHfZWg1NXYQnDBE+WMNBksBLLGg4tCnlFtpB5GGNF/XLgzv0m 6w32k7floNUqLjvN2Hnygm/BKXMSiEB6hQvoECAJGg+Ys7rBRIpafT0k X-Gm-Gg: AYBFou11djMGLdYEyVnGxxb5VZ5TvK3v1B3wUTIyva/JUA7sNeDu8T0hLbP5cYr13b+ 5Wxk7Kf6h3EoTk56lVQJRdUbo/S0rDqRdrm+T1OHRRQ2W0Zg/t5g2KhcM28ZNFGueNxzKjwSPYx TAatOkTTsSZgBXp80T6bpnaqqHaRjIkjDHzR3p2l/7L5yIicqG60GtEP9rmFcIjz9dORrIyfTge G6CBOFRKtD4d4HCiMfXhKfRlJyC/7Gb5I+bky0AtZi3iam3rmU+aMQvv96fkcbCWlqt3vyV3fE8 EPgYhgLFCGtppMQVp62cafJG+6MHhthAxQCxRQSkKwE1bXsORtp3u91Cc0Me3lfGAwNa68bp6U4 jCfS4tyuMJHQzVM6TmEGPP5+4TA4Vp/dYzPnw6ZI5/uzLydO3UYoTJBLejiroh4iuxVs0q850x+ P9jfgEzg7OOMxnxlhkUVtKqFaeWKYXAlQlnG2xWE2gQjJSWk2mH+RUbVKWm8A2fqqppvPNUeyFY ERnyFJRTMXfdhbwp7jfdBQ= X-Received: by 2002:a05:600c:3e0b:b0:49f:fbad:29ae with SMTP id 5b1f17b1804b1-4a1851c7355mr52692635e9.17.1791469663731; Thu, 08 Oct 2026 07:27:43 -0700 (PDT) Received: from localhost (ip87-106-108-193.pbiaas.com. [87.106.108.193]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a17f4480a4sm112187905e9.0.2026.10.08.07.27.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 07:27:43 -0700 (PDT) From: =?UTF-8?q?G=C3=BCnther=20Noack?= To: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Cc: Wang Yan , linux-kselftest@vger.kernel.org, =?UTF-8?q?G=C3=BCnther=20Noack?= , =?UTF-8?q?G=C3=BCnther=20Noack?= , Shuah Khan , linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 23/27] selftests/landlock: Fix stale comments in common.h and audit.h Date: Thu, 8 Oct 2026 16:25:52 +0200 Message-ID: <20261008142604.39107-25-gnoack3000@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261008142604.39107-2-gnoack3000@gmail.com> References: <20261008142604.39107-2-gnoack3000@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * _init_caps() lists more than three capabilities. * A 64-bit hexadecimal domain ID has at most 16 digits, not 17. Size the buffer accordingly and drop a redundant domain_id check in audit_match_record(). Assisted-by: LLM Signed-off-by: Günther Noack --- tools/testing/selftests/landlock/audit.h | 7 +++---- tools/testing/selftests/landlock/common.h | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/landlock/audit.h b/tools/testing/selftests/landlock/audit.h index 173dcd1088db..d23bb2ad3a30 100644 --- a/tools/testing/selftests/landlock/audit.h +++ b/tools/testing/selftests/landlock/audit.h @@ -274,15 +274,14 @@ static int audit_match_record(int audit_fd, const __u16 type, *domain_id = 0; if (matches[1].rm_so != -1) { int match_len = matches[1].rm_eo - matches[1].rm_so; - /* The maximal characters of a 2^64 hexadecimal number is 17. */ - char dom_id[18]; + /* A 64-bit hexadecimal number has at most 16 digits. */ + char dom_id[17]; if (match_len > 0 && match_len < sizeof(dom_id)) { memcpy(dom_id, msg.data + matches[1].rm_so, match_len); dom_id[match_len] = '\0'; - if (domain_id) - *domain_id = strtoull(dom_id, NULL, 16); + *domain_id = strtoull(dom_id, NULL, 16); } } } diff --git a/tools/testing/selftests/landlock/common.h b/tools/testing/selftests/landlock/common.h index ae6a0eb8e343..f0e8d3a498b3 100644 --- a/tools/testing/selftests/landlock/common.h +++ b/tools/testing/selftests/landlock/common.h @@ -34,7 +34,7 @@ static const char bin_wait_pipe_sandbox[] = "./wait-pipe-sandbox"; static void _init_caps(struct __test_metadata *const _metadata, bool drop_all) { cap_t cap_p; - /* Only these three capabilities are useful for the tests. */ + /* Only these capabilities are useful for the tests. */ const cap_value_t caps[] = { /* clang-format off */ CAP_AUDIT_CONTROL, -- 2.56.0