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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 D17DBC4321A for ; Fri, 28 Jun 2019 08:17:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1907214AF for ; Fri, 28 Jun 2019 08:17:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726619AbfF1IRf (ORCPT ); Fri, 28 Jun 2019 04:17:35 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:53320 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726472AbfF1IRf (ORCPT ); Fri, 28 Jun 2019 04:17:35 -0400 Received: by mail-wm1-f68.google.com with SMTP id x15so8156966wmj.3 for ; Fri, 28 Jun 2019 01:17:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=jT2kRINveHvJwFXNM/R+VqTRF8bwTgG9CgHFi5dSiyg=; b=GFGjypZSEYzOOiaNNWN0wi/5QiIH4VShg+Ts+VnEaeZjCvkAiYZwh+aKS86kt3Ffxa HLc3zn+q57DQHMcG3dpJkZbPCLV5ORY8bDrvVDdG+QgraxOYGEUgnGqhZL/9+BZQf9T2 Bqr0LSHrFuiwNqFMWLj/0BxbDHMcFG5XJwL4N9Sckv6Y44/ze9P1ELsJhVQkMcg/z7Dd nQ9s8Z8THlZSpDBH2eoEF2Hx2s13Hpaa9lCuSq8wSqse6o+Waa6jLXBRm+TON2EkZPnM SlzUOfJfvw29vwLMmQtXO8tulnKFDLCtDWGr8nlVd0gR8At7h6iv2fBZ2C5t6fDuDf/c wt1g== X-Gm-Message-State: APjAAAXKjHYVeysnHRL3lFxT+F/cgqDnfM/kh522rSapRM+Pw27w/bCP zmgOGp8Hmk7kuehEGH8QiKoh7gDTedg= X-Google-Smtp-Source: APXvYqw59G5uN7cW7umBoHRBzrVy3zRiztgqyJ+OtIc5pkdubtFVLy2FJKEDgpWAzk61v+TSzJlOUg== X-Received: by 2002:a7b:ce95:: with SMTP id q21mr6317819wmj.65.1561709853044; Fri, 28 Jun 2019 01:17:33 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:702d:1924:42db:99ec? ([2001:b07:6468:f312:702d:1924:42db:99ec]) by smtp.gmail.com with ESMTPSA id u1sm1364461wml.14.2019.06.28.01.17.31 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Fri, 28 Jun 2019 01:17:32 -0700 (PDT) Subject: Re: [PATCH v3 4/5] Added build and install scripts To: samcacc@amazon.com, Alexander Graf , Sam Caccavale Cc: samcaccavale@gmail.com, nmanthey@amazon.de, wipawel@amazon.de, dwmw@amazon.co.uk, mpohlack@amazon.de, karahmed@amazon.de, andrew.cooper3@citrix.com, JBeulich@suse.com, rkrcmar@redhat.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, paullangton4@gmail.com, anirudhkaushik@google.com, x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190624142414.22096-1-samcacc@amazon.de> <20190624142414.22096-5-samcacc@amazon.de> <6fa5e9de-7b66-76ba-0b98-e11f890e076a@amazon.com> From: Paolo Bonzini Message-ID: <4438c94e-a0ed-0e5c-0a74-02aed8949b24@redhat.com> Date: Fri, 28 Jun 2019 10:17:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <6fa5e9de-7b66-76ba-0b98-e11f890e076a@amazon.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28/06/19 09:59, samcacc@amazon.com wrote: >> Surely if it's important to generate core dumps, it's not only important >> during installation, no? > Yep... missed this. I'll move it to run.sh right before alf-many is > invoked. It would be nice to not have to sudo but it seems the only > alternative is an envvar AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES which > just ignores AFL's warning if your system isn't going to produce core > dumps (which will cause AFL to miss some crashes, as the name suggests). Can you do this only if /proc/sys/kernel/core_pattern starts with a pipe sign? Thanks, Paolo