From patchwork Tue Jul 11 02:11:15 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: 11831 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:a6b2:0:b0:3e4:2afc:c1 with SMTP id c18csp200896vqm; Mon, 10 Jul 2023 19:33:29 -0700 (PDT) X-Google-Smtp-Source: APBJJlG2UhCMELPhk+vUaSIuPdFpjTDSI99EVZ56E1/1uG7iU6URsEYke3OQoZO7aP7AoVXmyXrX X-Received: by 2002:a05:6830:208a:b0:6b9:26ce:5e5c with SMTP id y10-20020a056830208a00b006b926ce5e5cmr8387103otq.31.1689042809163; Mon, 10 Jul 2023 19:33:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689042809; cv=none; d=google.com; s=arc-20160816; b=aOyPAtPkboK6uvn4nq4uForTfvf19yk7vheCdEKrOi15Vak0rxH5nc5GvoJ5et8dut 0jqgUrh3i4cnNjVKvh/bUNzJf0wiwpXKeIe4Qrilrn4nYs4WoEr1RIZdnVdwyPZ2WOzm wcnmaLbTlShwhEk5j4FOe0209SM/8CDrvtMCMHYvwOyhqfNUodjca1lc6SET9EHDS7NI NkKRCTyA2tyEPrbcqw3LGCWnqgHZKHs+6oWD+rnuQEnWDf2okYr8pCQyN2IeGhoFPS3W I0CRjEPmzxxZdo/Wu5zOGX1Uc/UgawXxZo62NdKuW0JDuLfFYY8VStCpobXPE24m8+Pr VjHw== 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=GaYELIo2nrgyJ2oTz5UYswv02qFHsMomzMxOmkr3Zcg=; fh=hf24JvveL55vCfzfv0agRHDWsuhzZqIeZ7dfs5kcUjQ=; b=ufKYUnG9CP5dPOoordYCrbeq/YE6Nb0JfHYVRlNMG2mfBR+x1q7pVBAIAXb9iD8JYg XWBkhrSqkiUFks2KS2O6SXRrcKHoK4qpCitWpi/Z6jy68yoT/bN1Lio0kFA8O5+h4keG tenat+q+HG81O0h/k+Ja06RnrMelzyihwmh9UpWVOSvEEbaHaOEUR7A+g86C7r8Z3iLe CslizywuAgOZWURy6nh1EiNEyOZG+w1HEbhJ47vYo06JXlC7sBDx6+UNmckMCBqMnVLp vr5nNHjwWKr/I67BWz7KaHZGgCAAuNGE9Jow/7GjMZ41OOpzcsQfhWcP56KlAc4uw6Vg RuSg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=tlYYHe4R; 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 m3-20020a17090ab78300b00259b2afc651si7732740pjr.62.2023.07.10.19.33.15; Mon, 10 Jul 2023 19:33:29 -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=tlYYHe4R; 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 S231134AbjGKCLW (ORCPT + 99 others); Mon, 10 Jul 2023 22:11:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229936AbjGKCLV (ORCPT ); Mon, 10 Jul 2023 22:11:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64035E1; Mon, 10 Jul 2023 19:11:20 -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)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EEDB861143; Tue, 11 Jul 2023 02:11:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A14FC433C7; Tue, 11 Jul 2023 02:11:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689041479; bh=m5zH5mj7zoJ1f1B+N42bt19Cic4vyFBBXFpmA2ahLKY=; h=From:To:Cc:Subject:Date:From; b=tlYYHe4Rh8gRp18dK7OwlfbtZDz3o6//XRmKFGCilyOCEehKXK7sk1pSnNr9frOxX QDrlz0XK3OqbgBED3VESg+ZCpOPYW3H8h38zQwHHrLIP/9ynKKokYkcKHecsJnOjvT nWJRyiTmqHVuzNgzxsqpYQ9Fvaej/kukm7afFmiDg4RW+FT7HU3LaZtc7TxlFpMqpI tDdHA/y051j2xb5ACi/+7nbMvSU658nG0YNyjQujPVnBeH1/LQHnrd7mExEISQXrWB bT/DsaH4lmqJoJUSY0RwIlcmdnFfir8MLmYq/UtzG9KxAkQgivp7t/IHRsGydIoNmB iNTj7hp6cUC9w== From: "Masami Hiramatsu (Google)" To: Steven Rostedt Cc: Dan Carpenter , linux-trace-kernel@vger.kernel.org, LKML , Masami Hiramatsu Subject: [PATCH v4 0/4] tracing/probes: Fix bugs in process_fetch_insn Date: Tue, 11 Jul 2023 11:11:15 +0900 Message-ID: <168904147563.2908673.18054267804278861545.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=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, 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: INBOX X-GMAIL-THRID: 1771089752318780921 X-GMAIL-MSGID: 1771089752318780921 Hi, Here are the 4th version of fix bugs in process_fetch_insn_*(). The previous version is here; https://lore.kernel.org/all/168878450334.2721251.3030778817503575503.stgit@mhiramat.roam.corp.google.com/ [4/4] is updated to simplify the code with set_data_loc(). Thank you, --- Masami Hiramatsu (Google) (4): tracing/probes: Fix to avoid double count of the string length on the array tracing/probes: Fix not to count error code to total length Revert "tracing: Add "(fault)" name injection to kernel probes" tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails kernel/trace/trace.h | 2 ++ kernel/trace/trace_probe.c | 2 +- kernel/trace/trace_probe_kernel.h | 30 ++++++++---------------------- kernel/trace/trace_probe_tmpl.h | 10 +++++----- kernel/trace/trace_uprobe.c | 3 ++- 5 files changed, 18 insertions(+), 29 deletions(-) -- Masami Hiramatsu (Google)