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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CA62C7EE30 for ; Mon, 27 Feb 2023 17:00:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230121AbjB0RAK (ORCPT ); Mon, 27 Feb 2023 12:00:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230319AbjB0RAG (ORCPT ); Mon, 27 Feb 2023 12:00:06 -0500 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BBB11CF71 for ; Mon, 27 Feb 2023 09:00:04 -0800 (PST) Received: by mail-pf1-x449.google.com with SMTP id bx9-20020a056a00428900b005f077bc6e5eso2478761pfb.16 for ; Mon, 27 Feb 2023 09:00:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=75A0gEwys1mFY3sJ5wHScJ9ljDVthV3+ryRrHEENcQo=; b=cLtWhUG9qsA4Sg24ae9fYUU4+Jizp49jqXT9Sfy+9fByadRsDkot02jjzzg5b2L5Xs 4p31MmnUIDIGwI0i/YSZGLRpX+ovsl39jJqI4PvJvxCbjeEQ+Qgawa2WEoiPTofV4BDa RlEha9mid0gYgb6ZrswEsykY7taZ9zgYENPxcCJgUDJ5aCXp4DYkULEQrtgAF7HwaDWD 47tC1GMc9jX+XOMQrLfWidvs+Ppgw0lAJ2qMjRHZWhSqHcDOV9Sp1X96Cqel9TG8FKCt XUDU2HOvl03Pnq2Ioq1hngvzmArdOS/tf8YuPsxB5FNETBKRe5UoIcOan7vC6M/xITna zm9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=75A0gEwys1mFY3sJ5wHScJ9ljDVthV3+ryRrHEENcQo=; b=CURjwEyN4y0GvgB2hzadi9BboNOVaOoCMtF7s/tqUUh7XJYdjf7SiNA+6kjlqqNl/Z SaVTYB0mGE+4lSrjpFEHZi48kNmCh9GAcurnuQtU+DTrwpqigPTzSG5gnNl2w9ITmmNW tytyDStQjhBEbZHXAY3tUd7jNozhvuz8xBHTM6AjpAMBo4ongR/B6geJKKwvvlfv3Dvm AT0DSGH4aNDz0n9a+t8X65Bp94Gvpl1D9rmA/P4gmMbP9bAeJwH8MyYeaiRht5uYkM53 bfCQtSkKtkuDv06btYpEssyEwOMZxdROTEkpgfWe2BGSGEmCQ91Ncye3Lqj3vVO20Fx8 IDMw== X-Gm-Message-State: AO0yUKVGVnxqtU2+RrgyKRQVIGq6RfnfF4gm1PlZD9wJObzjp0DZbdf+ qHymqijDRL82TB6o4h73y/ck89s74Zdfxw== X-Google-Smtp-Source: AK7set8zQAXFt4iHWata/ORsoMm97Yi3POewWVMQEsZw5ZAOjhhfqfG2Q9XR/zpLBeiPml9TRrLMz6WNMVoAkQ== X-Received: from shakeelb.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:262e]) (user=shakeelb job=sendgmr) by 2002:a17:90a:8a0f:b0:236:67f4:e575 with SMTP id w15-20020a17090a8a0f00b0023667f4e575mr4352155pjn.3.1677517203795; Mon, 27 Feb 2023 09:00:03 -0800 (PST) Date: Mon, 27 Feb 2023 17:00:01 +0000 In-Reply-To: <20230226131634.34366-1-ivan.orlov0322@gmail.com> Mime-Version: 1.0 References: <20230226131634.34366-1-ivan.orlov0322@gmail.com> Message-ID: <20230227170001.ka5eyfscvdypc2oc@google.com> Subject: Re: [PATCH] selftests: cgroup: Add 'malloc' failures checks in test_memcontrol From: Shakeel Butt To: Ivan Orlov Cc: hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, muchun.song@linux.dev, tj@kernel.org, lizefan.x@bytedance.com, shuah@kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 26, 2023 at 04:16:33PM +0300, Ivan Orlov wrote: > There are several 'malloc' calls in test_memcontrol, which can be > unsuccessful. This patch will add 'malloc' failures checking to > give more details about test's fail reasons and avoid possible > undefined behavior during the future null dereference (like the > one in alloc_anon_50M_check_swap function). > > Signed-off-by: Ivan Orlov Acked-by: Shakeel Butt