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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F158EC433FE for ; Thu, 11 Nov 2021 10:08:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB0E56134F for ; Thu, 11 Nov 2021 10:08:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232898AbhKKKLP (ORCPT ); Thu, 11 Nov 2021 05:11:15 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:28918 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232871AbhKKKLO (ORCPT ); Thu, 11 Nov 2021 05:11:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1636625305; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GiHlgUAmwsKT+hTugq3VkakjXKCs0k5+tiUaL6hbwdA=; b=J1Dlqh1ezSCuU5WBAK40eNEzwXjdReBVb6Fwl7iFbz7MaQL+WI7TbvS6TLlr+VXUDLy8d3 x2dNn6KR4fdSVZfO7BbLxn+VwveMJlAG8Gh9QFyg1tC/pLEvPhAPy/rCsQcPqhtN/l4FMD K/1ryc8T+Tu7jz/DTcSOehK0avRdWLM= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-74-s_UL-jtQPdiRnprdjcTL_w-1; Thu, 11 Nov 2021 05:08:24 -0500 X-MC-Unique: s_UL-jtQPdiRnprdjcTL_w-1 Received: by mail-wm1-f71.google.com with SMTP id m18-20020a05600c3b1200b0033283ea5facso1617147wms.1 for ; Thu, 11 Nov 2021 02:08:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:organization:in-reply-to :content-transfer-encoding; bh=GiHlgUAmwsKT+hTugq3VkakjXKCs0k5+tiUaL6hbwdA=; b=wc6SMAhfHsduJlEVlagAQRyA4SbKn1QGb+HUDRINAdyOmRQr6+RN4OOA/TibwnJsO0 MchhoBb4ld/juCLBTBOvmhdbAbvs85MZY02x6jymO1VJaKV9hE4joSMetUNzWfXbiy6/ 86b3Si4YjKIjbsfTGyOchwsOXYmrTjRnM0VQkTEN2COxd4LK6NamI/YhL7HB85etMYVy D/JtgHGO03lESvb31xRhkVz56lNyGjoSLo0faMFDTSou9vIqFGKinYishqiafPEOpCt4 lJloIVj50TYmdAQfQhMrVG9z+boEXVAjX03mRdinHreRFQZb9kxQ7WAUzPT52bFzQNFV h1DQ== X-Gm-Message-State: AOAM531feVj4QmI7a2Kh6gDVjh177RzslN6sQlG9kz2acnewp5KR/gNQ Uxih1TQZda31AAVyQfBQQBMVwx6GVdBcV9tmye738vfeCBRB8DojXcD0s962s4ddfGPEaMjxmJH d2dryP83LyOLq X-Received: by 2002:a05:6000:2a3:: with SMTP id l3mr7550623wry.415.1636625303235; Thu, 11 Nov 2021 02:08:23 -0800 (PST) X-Google-Smtp-Source: ABdhPJz6xfbJxVXU/0Vk9IV0rvq5JIqAJLSbOfFYTCvTXeNfro03lA0NI5R+gVHhWEw6LtsXRfL2QQ== X-Received: by 2002:a05:6000:2a3:: with SMTP id l3mr7550593wry.415.1636625303017; Thu, 11 Nov 2021 02:08:23 -0800 (PST) Received: from [192.168.3.132] (p4ff23ee8.dip0.t-ipconnect.de. [79.242.62.232]) by smtp.gmail.com with ESMTPSA id l4sm2372769wrv.94.2021.11.11.02.08.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Nov 2021 02:08:22 -0800 (PST) Message-ID: Date: Thu, 11 Nov 2021 11:08:20 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH 6/7] tools/bpf/bpftool/skeleton: use bpf_probe_read_kernel_str to get task comm Content-Language: en-US To: Yafang Shao , akpm@linux-foundation.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, oliver.sang@intel.com, lkp@intel.com, Andrii Nakryiko , Mathieu Desnoyers , Arnaldo Carvalho de Melo , Alexei Starovoitov , Andrii Nakryiko , Michal Miroslaw , Peter Zijlstra , Steven Rostedt , Matthew Wilcox , Al Viro , Kees Cook , Petr Mladek References: <20211108083840.4627-1-laoar.shao@gmail.com> <20211108083840.4627-7-laoar.shao@gmail.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20211108083840.4627-7-laoar.shao@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On 08.11.21 09:38, Yafang Shao wrote: > bpf_probe_read_kernel_str() will add a nul terminator to the dst, then > we don't care about if the dst size is big enough. > > Signed-off-by: Yafang Shao > Acked-by: Andrii Nakryiko > Cc: Mathieu Desnoyers > Cc: Arnaldo Carvalho de Melo > Cc: Alexei Starovoitov > Cc: Andrii Nakryiko > Cc: Michal Miroslaw > Cc: Peter Zijlstra > Cc: Steven Rostedt > Cc: Matthew Wilcox > Cc: David Hildenbrand > Cc: Al Viro > Cc: Kees Cook > Cc: Petr Mladek Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb