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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS 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 A27BBC10F27 for ; Mon, 9 Mar 2020 13:31:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71BDC20727 for ; Mon, 9 Mar 2020 13:31:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rPBlxr6D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726656AbgCINbP (ORCPT ); Mon, 9 Mar 2020 09:31:15 -0400 Received: from mail-qk1-f194.google.com ([209.85.222.194]:42984 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726427AbgCINbP (ORCPT ); Mon, 9 Mar 2020 09:31:15 -0400 Received: by mail-qk1-f194.google.com with SMTP id e11so9112186qkg.9 for ; Mon, 09 Mar 2020 06:31:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=P6XoxJQMVL3p8wdS2Ew5v812zn19DVoEQr35exngzuA=; b=rPBlxr6Dpa68FX+LWFqy32K6Y9WRXzVWuTzTkkCTkKm7q/wctlCYUDJlg1Y52jklbk 7cEmCb5pF4DU3qMZXmKdohW8RrZAxqqh5YcEgVAeK3b4JTQf0qLcrQvFtoKIXlI8UWiG MN/Bsg2hxAy4gfNlFV+wELZXYnHx8B7vGjhgaRTdA8okD4u6nDfWVTPf8VpT5JwlbJlS 1uPKVUPjbQM6mSuWqFozdP/ptU+rIQS9nrasX8LQsBarXdhupnil71jxlG76d81bRhcv mNcetHft5M2ZN35ZvyUnqyVOnzxVeTWM2HNlz68JMxKvHl34xeuYgJjxoXbVIYgHdJRa 37LQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=P6XoxJQMVL3p8wdS2Ew5v812zn19DVoEQr35exngzuA=; b=CdgklLOlBsLGbIqq78NyQ+REgAmtzsC5JIuSDSicavR+x2DnV1gWnma3S3HRKF8rHI XREajJVnA5xiGOiSedDAUWKZnMrxqEhZzHFUVi/eO+RynazXaMFDTo76zmGu59W+IIzZ Yz/2QUaW2KrF3RxgDuJm4aJJ7Z0diaB36K+6cKo6GcretMjiHLb/loGX5Z4YF6rYDqJx ta50zBu+JN+yJstxXz6dFVQkwxEcVecpWPWVpF+mDRHrYjefeTxA07XT/NvdFFzdugjC 6UzPO+NCXFSvAp5pe0onIYkrzprGBqoyv5cuKzNFovg66RsB943ukzn30w3nlMNwwikI 12Ew== X-Gm-Message-State: ANhLgQ2Ctt/HXcHKrljm8b/s4OwyWxzLOt7pBtLRqFYmeen3J6oVYum/ eGnipzDwnWsRH+kP0lIaNY4= X-Google-Smtp-Source: ADFU+vuhbcQL0w+/96VAmg9Hv0GGmOUwgOBtIq1EL0ACTbszfPyZQ8Ku7TLdEsA1JKIsHbOOpRnJXQ== X-Received: by 2002:a37:8e45:: with SMTP id q66mr15221915qkd.129.1583760673926; Mon, 09 Mar 2020 06:31:13 -0700 (PDT) Received: from quaco.ghostprotocols.net ([179.97.37.151]) by smtp.gmail.com with ESMTPSA id p16sm970542qkj.5.2020.03.09.06.31.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Mar 2020 06:31:13 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 598D940009; Mon, 9 Mar 2020 10:31:11 -0300 (-03) Date: Mon, 9 Mar 2020 10:31:11 -0300 To: Jiri Olsa Cc: Ian Rogers , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Namhyung Kim , Andi Kleen , Adrian Hunter , Leo Yan , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Stephane Eranian Subject: Re: [PATCH 1/1] perf/tool: fix read in event parsing Message-ID: <20200309133111.GB477@kernel.org> References: <20200307073121.203816-1-irogers@google.com> <20200307104501.GA311316@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200307104501.GA311316@krava> X-Url: http://acmel.wordpress.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Sat, Mar 07, 2020 at 11:45:01AM +0100, Jiri Olsa escreveu: > On Fri, Mar 06, 2020 at 11:31:21PM -0800, Ian Rogers wrote: > > ADD_CONFIG_TERM accesses term->weak, however, in get_config_chgs this > > value is accessed outside of the list_for_each_entry and references > > invalid memory. Add an argument for ADD_CONFIG_TERM for weak and set it > > to false in the get_config_chgs case. > > This bug was cause by clang's address sanitizer and libfuzzer. It can be > > reproduced with a command line of: > > perf stat -a -e i/bs,tsc,L2/o > > > > Signed-off-by: Ian Rogers > > nice catch > > Acked-by: Jiri Olsa Thanks, applied to perf/urgent. - Arnaldo