From patchwork Sun Jul 2 14:47:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 11526 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9f45:0:b0:3ea:f831:8777 with SMTP id v5csp2434vqx; Sun, 2 Jul 2023 08:00:10 -0700 (PDT) X-Google-Smtp-Source: APBJJlGIzmPiL83CjGWferkb4oyVuXDFiQcZyivwKtWKl5dra8L1YkNYPaVDjI/aj2N6UkPBmWjL X-Received: by 2002:a17:902:d4ca:b0:1b5:cd6:8246 with SMTP id o10-20020a170902d4ca00b001b50cd68246mr12906468plg.2.1688310009852; Sun, 02 Jul 2023 08:00:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688310009; cv=none; d=google.com; s=arc-20160816; b=mME54hU6Vz2dOyY4d83u8UDL0F3nPS906uDpnN/2lNH7E6Zas5ByeKFAWqrw/82uoK EM2jg+JkOiziWr0mVoN+RzF7aoEPs77pLb/SCsty+zrwNcbMBHFgxWMgK96l5IuWgeUh PVXiGWo7F1tU4V0y5LRzUpTqIprdIyMBguo8Y3FE0AEAJzkTA5DkNm8nxUBkxB9emhLo nuvWHuVreJiuXt4CNv+P71IzfgsEfiVvoTuusaAggFkJrIV4mswr0BTyzJeaWrG22Izk kVyklnprl5KMU7EY8N4g3aFjve2SdfjXgzmDuRumsbOBbk3NvlA1XXt1TKitAZrH3CFH rMww== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:message-id:date:subject:cc:to:from:dkim-signature; bh=IiQFYAVC5ecz59pSV75gOXRfGUCIT+L6dpRBUyWTTF8=; fh=IqesEL0r+gt71nXDuYNYX+jwby0flLUfnEwj7ADHyoI=; b=beKgUPS/U0bTkYlyYiJ91LIJ1VSGI7hAKUC1WjqIx3YPQ/A/fLqCBW1ty/trOxBBLl Dp1EgrvVjtIMGMgf6It/eM8/nH24h7+8i+ezcsXXX0KFaio1TbCIl7htgNUg1d1+fmw3 DvzyDRdA6tVnYJfd99RCtU/820Q6/vNTFpX0Ihf9CpH0uWr2pP3od6tb1WNCO7lneORd anOUZdeHRm12IW85kVJMtcaA5s471jId1WZJj0owZ+eigqVtqDsngnnewHw66AOTcDMs 7X8cknJshRObPQaRj6AE4u8TO9sjwT2emx/9cOHk0yDu/eH9pGgZAMR0GbvIf7EjuRyc ksAw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=o7VJaVVP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p18-20020a170902ebd200b001ab1d1a6802si15805944plg.1.2023.07.02.07.59.53; Sun, 02 Jul 2023 08:00:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=o7VJaVVP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229828AbjGBOrU (ORCPT + 99 others); Sun, 2 Jul 2023 10:47:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbjGBOrR (ORCPT ); Sun, 2 Jul 2023 10:47:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CE2BE69; Sun, 2 Jul 2023 07:47:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B4BE360C24; Sun, 2 Jul 2023 14:47:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2FEBC433C7; Sun, 2 Jul 2023 14:47:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688309232; bh=NE8PEQN12084oUP0Abj3l7PmrEJhGLdJ3PPpfuZyPXQ=; h=From:To:Cc:Subject:Date:From; b=o7VJaVVP+yFrou3rGDgyKtZxqDlIzMNgeodlGTQarzx4hfQ71NjwId+IwqTtbEeby HfMeo6fEYVQKTFRVPIgoH1A30tmPBNelCKM550c/DokC/ZnEP8JPdSX6P2gms27xvO t4ba2XQNPm6aggM1TdY8LhMx31h0YA8/nZ6jtbC9RUdVOrIwT+P+pWUpELphl2GkOH 6e58i7SlZdbvB/qJRwu+3zh+H+0wPumsCJe5yGhz/MTen/Yndvi1rwHAuRnbejhQcf JefvG9uUZVMde7PrMyXsX46bSPh6DA4QfeqpUbKD00zJY+eCAdin7nm5a77PKsDKUy bqz8lQ9p5ZLXA== From: "Masami Hiramatsu (Google)" To: Steven Rostedt Cc: Dan Carpenter , linux-trace-kernel@vger.kernel.org, LKML , Masami Hiramatsu Subject: [PATCH 0/3] tracing/probes: Fix bugs in process_fetch_insn Date: Sun, 2 Jul 2023 23:47:08 +0900 Message-ID: <168830922841.2278819.9165254236027770818.stgit@mhiramat.roam.corp.google.com> X-Mailer: git-send-email 2.41.0.255.g8b1d071c50-goog User-Agent: StGit/0.19 MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770321356567212585?= X-GMAIL-MSGID: =?utf-8?q?1770321356567212585?= Hi, Here are some patches to fix bugs in process_fetch_insn_*(). First 2 fixes are already reviewed and updated the description. I added 1 new patch which I found while fixing previous one. Thank you, --- Masami Hiramatsu (Google) (3): tracing/probes: Fix to avoid double count of the string length on the array tracing/probes: Fix to exit fetching if an error is detected tracing/probes: Fix return value when "(fault)" is injected kernel/trace/trace_probe_kernel.h | 17 +++++++---------- kernel/trace/trace_probe_tmpl.h | 6 ++++-- .../ftrace/test.d/kprobe/kprobe_args_user.tc | 2 +- 3 files changed, 12 insertions(+), 13 deletions(-) -- Masami Hiramatsu (Google)