From patchwork Sun Aug 6 15:18:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Osama Muhammad X-Patchwork-Id: 711075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50AC5C0015E for ; Sun, 6 Aug 2023 15:18:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229584AbjHFPSd (ORCPT ); Sun, 6 Aug 2023 11:18:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbjHFPSb (ORCPT ); Sun, 6 Aug 2023 11:18:31 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9135E114; Sun, 6 Aug 2023 08:18:30 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id d2e1a72fcca58-6873a30d02eso2429110b3a.3; Sun, 06 Aug 2023 08:18:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1691335110; x=1691939910; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=RdojjPd8jvPUy+VY2bdrww/YrOG4FByQTZ03QZtrm54=; b=JXCDXpwu+g6gyowY8O0u01Gj0laYagxCnjlPvk5TAa9d1pafaYRjonaQw+SDEIUNg0 se4xChJ18bF8mRvnrNsi0lH7jnYi0U4q7HJ4u6abgsdJCTU/U+PmktiLQ0u1kGHfNGy2 uB0RM4690coQNSG33cWjFy5bzb0SJvL+beWvNv5GrdyppYxM0xEYWK214q+9U7CyU2OH hf8b6/mp2NhV/qU9Sok1OXXCm/Dcsvpf/Dikk9gGtClQxz03aU18afsh42ScP5HckIn1 Wf18CMjtl01b8BRiwSfdxEpDhKzmbkCmx7VZj5rjd+3foDMADvhaDMhSnKnFq7Yqdi+C TuhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691335110; x=1691939910; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=RdojjPd8jvPUy+VY2bdrww/YrOG4FByQTZ03QZtrm54=; b=U7zsi0vM5gFhxhliSWunIuYhjHdmuHIYNWaipYs0nC5MYxyvFUt8CKRyJAnvF89sur Ql11G58v6SCAa5+9EbRtgXbjQVnrx+vbcjMVXSg1/QN8+FF9TBdxIbUcQ6YyVJO3WtI+ 3xuX4E00TExsuPy3xyo+BuPS4ogrMmuOgMnTtYGyVIG8CQbnp8ShxzTm/sNAoYx9MymD UsPTU1fSPT/ikphnpXYCc8Bwqy2IYrE9Is8TdQB8c20bIh9innkDI0BADQ6ite/ILqe2 ICCFrHQwu8LRCkjERfM4/Ep3J197K85/1/QQ0c2naQv6MV3fedFW7PJmnIr+8dAmp9bc ou8w== X-Gm-Message-State: AOJu0YxsKyUxx7XLz3M1bp/qoFfNDhCd8wt049DIlyKVOEqqWuQxdAyd KQ+frxE+Kq28+A/wDXnhjmg= X-Google-Smtp-Source: AGHT+IGcQtcV98NulZ42qCdFzvMwUafqFsrmOr1yoV2WX84uBk8XgJSlMW7dsx57V7WIvBcT/LmPRQ== X-Received: by 2002:a05:6a21:1f14:b0:13d:56cb:6b9d with SMTP id ry20-20020a056a211f1400b0013d56cb6b9dmr5514964pzb.32.1691335109433; Sun, 06 Aug 2023 08:18:29 -0700 (PDT) Received: from Osmten.. ([103.84.150.75]) by smtp.gmail.com with ESMTPSA id n27-20020a638f1b000000b00551df489590sm3654374pgd.12.2023.08.06.08.18.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Aug 2023 08:18:29 -0700 (PDT) From: Osama Muhammad To: shuah@kernel.org Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Osama Muhammad Subject: [PATCH] selftests: prctl: Add prctl test for PR_GET_NAME Date: Sun, 6 Aug 2023 20:18:10 +0500 Message-Id: <20230806151810.9958-1-osmtendev@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This patch covers the testing of PR_GET_NAME by reading it's value from proc/self/task/pid/comm and matching it by the value returned by PR_GET_NAME. Signed-off-by: Osama Muhammad --- .../selftests/prctl/set-process-name.c | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/tools/testing/selftests/prctl/set-process-name.c b/tools/testing/selftests/prctl/set-process-name.c index 3bc5e0e09..41f4b105d 100644 --- a/tools/testing/selftests/prctl/set-process-name.c +++ b/tools/testing/selftests/prctl/set-process-name.c @@ -47,6 +47,28 @@ int check_null_pointer(char *check_name) return res; } +int check_name(void) +{ + + int pid; + + pid = getpid(); + FILE *fptr; + char path[50] = {}; + int j; + + j = snprintf(path, 50, "/proc/self/task/%d/comm", pid); + fptr = fopen(path, "r"); + char name[TASK_COMM_LEN] = {}; + int res = prctl(PR_GET_NAME, name, NULL, NULL, NULL); + char output[TASK_COMM_LEN] = {}; + + fscanf(fptr, "%s", output); + + return !strcmp(output, name); + +} + TEST(rename_process) { EXPECT_GE(set_name(CHANGE_NAME), 0); @@ -57,6 +79,9 @@ TEST(rename_process) { EXPECT_GE(set_name(CHANGE_NAME), 0); EXPECT_LT(check_null_pointer(CHANGE_NAME), 0); + + EXPECT_TRUE(check_name()); + } TEST_HARNESS_MAIN