From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75927C4363D for ; Tue, 22 Sep 2020 07:27:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1982221941 for ; Tue, 22 Sep 2020 07:27:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pjg8SERK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729966AbgIVH1l (ORCPT ); Tue, 22 Sep 2020 03:27:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729748AbgIVH1l (ORCPT ); Tue, 22 Sep 2020 03:27:41 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 616B0C061755 for ; Tue, 22 Sep 2020 00:27:41 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id b124so11607173pfg.13 for ; Tue, 22 Sep 2020 00:27:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=9doUA7v3qgCprpOcOB0ioz4IxnVKUZWjoWvI1uixCX0=; b=pjg8SERKuYSJJ25UqckO0hTCikNkE4ZF+cnAq5b3rQ7jvSSztxE69QYZQ/umNDDhnj ytcqw4BDtW7xLXS4gB0aeUMDRD45T5k2Clp6yP6kA/LPjHEMcmJrodqnAyI3qcDhUKlB FaqL45m6IrFpdFsLqa3iUCXXYEu1HGiwtEHlOFZE91palgXQ0qaWwuPTfxXUYnYZnhyP Yc+uyUGyIX1mRxh7f4Cy9yDaX6JKlFHNoA3u7SZBV8V09ZENgoV0sbRqeVR0u9aVHKwW ah+PrcV+X7Kig7OHyLjkEYbXd3KhKP8VQ89P19xFQOSKr+AvNZxXn2LcJP0vqIo8/Dxz AcVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=9doUA7v3qgCprpOcOB0ioz4IxnVKUZWjoWvI1uixCX0=; b=sOeFY4z7ydbaQl5qDJ+RNo/80x4nYgickDbbiVo9E1OgWpRmmqN2FRE9jn8gjhzGG1 x8CbieJZuKfy9O0czJ523GEMoQyHS7RyvjxiJHTdQEem3gFwBk7GFVDcn7dO4oLeqA4g hu7+OKRy1ysRHEaxPJrBE1FPgraPaPIFqhYIT+Mwqv8m0rJS7JoQDG1IDAhVTUGQCa+j YQwRsQR2h4O8eczX1KnKP3lAtcp7vmhpWyEtk/FjziXSh8QarVVEMOjPCRU1JLQjkfKF e+/VKBU/7cRLtvAJl6nF0I2RhQQdjDIwO+C5SkCYklbWaSzaW9fK2egNkCwF4ZG1g1HR Mt/A== X-Gm-Message-State: AOAM53018B3n2zTeblhS4PY74bXyRkthi8bqzPwKRLhPfv0oY8u65mPT EwV4XQqxgPzBQPPViF4NnaA= X-Google-Smtp-Source: ABdhPJzYZ3x5I+xzxFOQEOvKxMFlSEVLE3xNIlNFJOgSUp2WJ1PLZRU3uLM9KADfhFEY8K284vWaoQ== X-Received: by 2002:a05:6a00:84e:b029:142:2501:35e1 with SMTP id q14-20020a056a00084eb0290142250135e1mr3117666pfk.65.1600759660698; Tue, 22 Sep 2020 00:27:40 -0700 (PDT) Received: from localhost ([2409:4050:2e9a:cd41:aceb:49c:d6fb:ea72]) by smtp.gmail.com with ESMTPSA id q15sm4252157pgr.27.2020.09.22.00.27.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 00:27:39 -0700 (PDT) From: Piyush Goyal To: Liam Girdwood , Mark Brown , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 1/3] stress-shm-sysv: exercise shmat with invalid flags Date: Tue, 22 Sep 2020 12:57:28 +0530 Message-Id: <20200922072730.68911-1-piyushgoyaliit@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exercise shmat syscall with invalid flags resulting in more kernel coverage. Signed-off-by: Piyush Goyal --- stress-shm-sysv.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/stress-shm-sysv.c b/stress-shm-sysv.c index aa03d718..5a3e0cc1 100644 --- a/stress-shm-sysv.c +++ b/stress-shm-sysv.c @@ -128,6 +128,19 @@ static int stress_shm_sysv_check( return 0; } +/* + * exercise_shmat() + * exercise shmat syscall with all possible values of arguments + */ +static void exercise_shmat(int shm_id) +{ + void *addr; + + /* Exercise shmat syscall with invalid flags */ + addr = shmat(shm_id, NULL, ~0); + (void)addr; +} + #if defined(__linux__) /* * stress_shm_get_procinfo() @@ -337,6 +350,7 @@ static int stress_shm_sysv_child( goto reap; } + exercise_shmat(shm_id); addr = shmat(shm_id, NULL, 0); if (addr == (char *) -1) { ok = false; -- 2.25.1