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 2B74FC4363D for ; Tue, 22 Sep 2020 07:27:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDC7421941 for ; Tue, 22 Sep 2020 07:27:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pevB0rJq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730013AbgIVH1y (ORCPT ); Tue, 22 Sep 2020 03:27:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729748AbgIVH1x (ORCPT ); Tue, 22 Sep 2020 03:27:53 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E928C061755 for ; Tue, 22 Sep 2020 00:27:53 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id a9so1060023pjg.1 for ; Tue, 22 Sep 2020 00:27:53 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=xCA247ShbpRZ1a1b45l38fFZLtGfn793+mZHctzrR2s=; b=pevB0rJqRxFzG5mcV3HwhUpMG9k8wYCHBZSbVEhbk67cwbAeU2Jk1AYyRATEs/FBQi SHHK7z8n5tdoYgdfeHsoy2ZymuZ47kJXf5ylxzROmJ1Ia5l1nZTo5oOSddjxRJ5z0/Dd lvwOyEdt/BRnRBQhQp6lhycwYPSgPt+3w6zLZbQerMM/As7xVhPCozU6ni/UtALry6ya mnDirJVGr07uIUimK+gldhMG5CSrfKlhlHmQXTsqqaXm82hCNW9DD1HSEbjnZjBjqu/8 cC6YA+gOVeomsKyj8ej8qHyh3nbjtFODv2D2zskTw04rar7CQbF0QmpipcJih9Lum96S hBTg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=xCA247ShbpRZ1a1b45l38fFZLtGfn793+mZHctzrR2s=; b=nVvNtGoDV8wjBddev2WW+e6Um5KK2Aiw5gE2/Nb7mgonUklMdvYqpZRTANG0a7TedS KzQRY0KLM+9CBOpi1Dl11o9bISC1kcAJa3QOlt91rgwSe8N1phBqhXnW2Xli4kzEITLj Uh0v9WQc4v9T3mFhKdAuXXbLSlGyuurrxtkvA5MfHrC55a627Xgy+6EwwhJoZnW15OZ5 wgoJYoQL64zfvKOZ4bov688Ta2yv83+mn1v/j0QfSKkFWnR0Gx55m/9nSTnpJy9whyXf smQ9z5ewpvuaca7zzFYFPLCJ8JhI9+xFYxzW6Xdt3V42HvCbjsyguET1tcXC8o/saVdQ xBbA== X-Gm-Message-State: AOAM530W8KvSezT0JGUJN0Am4YOUNX+7VJx2jX6LGbMV+hJudDcxPIWc ksGN2zWNv6vPMaGfLOFzbic= X-Google-Smtp-Source: ABdhPJwwogNbojzybdhoPYW4owwtmCDx/oXe375OKk7BBYv9zNzzPan3N5yovp469BSPE9PgGKAsVw== X-Received: by 2002:a17:90b:8a:: with SMTP id bb10mr2687470pjb.108.1600759672854; Tue, 22 Sep 2020 00:27:52 -0700 (PDT) Received: from localhost ([2409:4050:2e9a:cd41:aceb:49c:d6fb:ea72]) by smtp.gmail.com with ESMTPSA id e17sm13690983pff.6.2020.09.22.00.27.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 00:27:52 -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 3/3] stress-shmsysv: exercise shmat with SHM_REMAP flag on NULL address Date: Tue, 22 Sep 2020 12:57:30 +0530 Message-Id: <20200922072730.68911-3-piyushgoyaliit@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200922072730.68911-1-piyushgoyaliit@gmail.com> References: <20200922072730.68911-1-piyushgoyaliit@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exercise shmat syscall with SHM_REMAP flag on NULL address resulting in EINVAL error and more kernel coverage. Signed-off-by: Piyush Goyal --- stress-shm-sysv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/stress-shm-sysv.c b/stress-shm-sysv.c index 9efaa091..e2aff788 100644 --- a/stress-shm-sysv.c +++ b/stress-shm-sysv.c @@ -149,6 +149,10 @@ static void exercise_shmat(int shm_id) addr = shmat(shm_id, NULL, SHM_RND); (void)addr; + + /* Exercise shmat with SHM_REMAP flag on NULL address */ + addr = shmat(shm_id, NULL, SHM_REMAP); + (void)addr; } #if defined(__linux__) -- 2.25.1