Received: by 2002:a5d:9c59:0:0:0:0:0 with SMTP id 25csp2555255iof; Wed, 8 Jun 2022 07:24:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxE5NLfZF+RLv04pXw/Fbrn/mWomDyLGZnQ5EhsfZaknOw4zYBZ/btRJij4n+47UMiT3g27 X-Received: by 2002:a63:c5c:0:b0:3fd:6053:807d with SMTP id 28-20020a630c5c000000b003fd6053807dmr19143867pgm.526.1654698258625; Wed, 08 Jun 2022 07:24:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1654698258; cv=none; d=google.com; s=arc-20160816; b=HFigwilAU0qiXO4tvMOGzuJNXHQ3STUOQ5J1x0UnZ++TvDROCeU8NF2xzeXTLAj6Mz 14RYWLd9fdw7n/Y03ZgmaVol/Mxz7SaGrKvZkZ8oDBKulftNrAuuHCXjaqmtDEYYeD2W L7cxV3PYcSQ0iummmcwvakxbO9tboLFB7nkmXlArtzb2LXmvowpFph+gUYIKqMRgSMTS 2GZfqdcKXRb78PFjfnKJgSnamCN64Cc33x3Yq+PT/VatLAa4vzcy8wMscOTHG+7Q4epw Qa05IuIV+LErgTJX+3GeB4xmYN/S25KvzNep8eRl3HxBg3Jssyv8v9BY8Ft2Fq3vvQ7F 3T/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=gO2t3wtyEoECjPIovchxxr9ODYsAfeoFgA+IZ5L72V0=; b=PoYSnQPP6Q682u95gP81qN0EGCcLKzhfPq0mpWKiCVLiSbz+nHKEgeHH2bGh7cTu0G XIkZX9/PJMiP0iGi0LJFN3JycGFsQw2wBbJyQxQtclfr39RWD0RwKeb3dG8/QKkji1Wa bRngEmQN55CYcldY7S5C90DuDjCjGzUnfKGRCFH8pBoOC2v3vaWgOunG1+LFZ9L0jRB1 Sb9z5iUI+C9tLQ4TLRiv0P4+dCyEGxWBmjQKwb7hIcVHSIqo9wAnEICkFwa+u5fB8LhK HZ4I5vxBHiodhumGCTDdb2j13Ey2MuqhpqUs94FzeJhcLeWVEoUjiyTIre65fZddpRHP Wwkw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=PiHHzAHa; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id f18-20020a63e312000000b0039d40eb5ca9si22181552pgh.644.2022.06.08.07.24.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jun 2022 07:24:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=PiHHzAHa; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id ADB4E2A90DA; Wed, 8 Jun 2022 06:57:30 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241070AbiFHN5T (ORCPT + 99 others); Wed, 8 Jun 2022 09:57:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241042AbiFHN5R (ORCPT ); Wed, 8 Jun 2022 09:57:17 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A4A42A7899; Wed, 8 Jun 2022 06:57:14 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id w27so27164308edl.7; Wed, 08 Jun 2022 06:57:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gO2t3wtyEoECjPIovchxxr9ODYsAfeoFgA+IZ5L72V0=; b=PiHHzAHatY1MKjUFG1qzCQDC2KMo3eA4xuvJTyVUFMNY2dNiQx6w1ltM+JM4M2v1yJ HE72ojGMzxFhZh84E3r9uOe7vdKM2on6QpBMocOHhyX0oEaOflRKib9Op+YnkaApngpN 5VnXYVqm6/4pzvX/rOQxQTL0EPs3OhnFgF+24ixIsswx9nQlXB/0yFYQ9A/LiGDBEqXi K+bSzpiJVP4P6tbY4+FfXBy+G35xKp22FkEaKVfCCdK+UwRVbi1Co5m88E+pOB6QfdMS sUnMkyOuoyO3tjmX4rwIMfbKOIN3ZqZMCm7QSYB6fmfUkGQZN0dhUQFwvViiaABTFLS6 cTCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gO2t3wtyEoECjPIovchxxr9ODYsAfeoFgA+IZ5L72V0=; b=yyouvF60dqkqgazQpTleF6zhnQzRei0+iL/OvLJKVGQRRMJBMeO7fGruCN4zEuHr0O 5XAvYblkq4FG6Q1+LFGgJUGHrxQ1kH6KOgN8CKg52oxI13yk1XGZxNREKbfeuEyyav+t iqLpzUifL0h8ksSEIpqYkSR8iR9ypj2pA7CgC+8nUpB5ahM6VIWCVTCsFW8sNheojz6j 7wyzoulmH7kYfdDFjPQfKrmpFAdtye9Wpj8FtXbZCI5hkhhahfh4fSfypmIFi6riiVX+ 9hMM5+83e+UnFEKeLpGdeAW56tusKsTcf5sNO5nsp8SvqaJGUUrE2UnvsrLDUoayNVGm 2H4g== X-Gm-Message-State: AOAM532FAniae5AyW4e5bsmRfqZ5syeATcK9ZV4hw9U+N/ckBtlrUVvT 2c6sdtLsLV+v0kQevcymRHONqS3yH4zXxc1k/qc= X-Received: by 2002:a05:6402:120b:b0:42f:aa44:4d85 with SMTP id c11-20020a056402120b00b0042faa444d85mr30127636edw.338.1654696632710; Wed, 08 Jun 2022 06:57:12 -0700 (PDT) MIME-Version: 1.0 References: <165366693881.797669.16926184644089588731.stgit@devnote2> <0204f480-cdb0-e49f-9034-602eced02966@iogearbox.net> <7619DB57-C39B-4A49-808C-7ACF12D58592@goodmis.org> <20220608091017.0596dade@gandalf.local.home> In-Reply-To: <20220608091017.0596dade@gandalf.local.home> From: Alexei Starovoitov Date: Wed, 8 Jun 2022 06:57:00 -0700 Message-ID: Subject: Re: [PATCH] tracing/kprobes: Check whether get_kretprobe() returns NULL in kretprobe_dispatcher() To: Steven Rostedt Cc: Daniel Borkmann , "Masami Hiramatsu (Google)" , Peter Zijlstra , Ingo Molnar , Yonghong Song , bpf , Kernel Team , LKML , stable Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no 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 On Wed, Jun 8, 2022 at 6:36 AM Steven Rostedt wrote: > > On Wed, 8 Jun 2022 14:38:39 +0200 > Daniel Borkmann wrote: > > > >>> Signed-off-by: Masami Hiramatsu (Google) > > >> > > >> Steven, I presume you'll pick this fix up? > > > > > > I'm currently at Embedded/Kernel Recipes, but yeah, I'll take a look at it. (Just need to finish my slides first ;-) > > > > Ok, thanks. If I don't hear back I presume you'll pick it up then. > > Yeah, I'm way behind due to the conference. And I'll be on PTO from > tomorrow and back on Tuesday. And registration for Linux Plumbers is > supposed to open today (but of course there's issues with that!), thus, I'm > really have too much on my plate today :-p Steven, you missed Davem's presentation at KR about importance of delegation. You need watch it: https://youtu.be/ELPENQrtUas?t=9085