Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp944767pxb; Mon, 25 Oct 2021 23:09:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwRx/1Qwo0C1Ua+5oLbcbi++f2uRAfbuMOenMlV9UMZhSIM2PsCc+PCGJjlz72jCc/8Wgbp X-Received: by 2002:a05:6a00:1352:b0:44d:4573:3ac2 with SMTP id k18-20020a056a00135200b0044d45733ac2mr24149491pfu.12.1635228555468; Mon, 25 Oct 2021 23:09:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635228555; cv=none; d=google.com; s=arc-20160816; b=dUjO0SXgEWZ8Y/dG4vTXPDpxvmBGcpYh30ubd2nOJ73136EzNur4NEDndbP0y1WWit Ikxxx7X5By9hgqGmbooLq/LV6IQwnK4bNGc2XtU27hNqKDP+/fUfSK1b3c9ut+a19nP6 pLeHs893VWA7GUvwKEpj7XLHOanhtRDXWPJSFSMyadNVkLfWsMqxrc3gqrZubktXqpO+ VKEErcV7P3IRT+CW9ytgVRvf3ZHwQNbzLviTeUp6IcvUYXUksMmjiVeDn3me+noSVu/l BOsac+YZ9Nc6fVwf0xwLs2nHB4Oe8E3c9S61KiAaP6VVSKVbu7gz82P9nobT8cW3xTls Ysug== 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=Q9ixNJMryetrNkf64Gif/9S4GmDdPd1m0A8YYlrDxDA=; b=yiOTze3gKpu8vIUHlFmKxMEgn5HgUX4Ab9ozp6oE2LqIFPVCHTxzzO0cwkwZgR+kiZ LSmaltI63to1/rI347Am0mfckfFbSMlvEeTSgMQpU3WRv9zmWfTz+Gyp9uUvPyRSSI5s onqhAh3GwzOb7z4jICO/YVLnkdVRw6DMUML/xnrkUsVhP3fId4plY/LY5nAY6J00geuT mEOrXUI3p5tlEhX6I27Uv/h6mD/kJ8UoiNv5/nLIXXf9vUIQ7cSdCz7L+0+kVvmq7VDC gM+eAHdJ+Z+XcdBW02TX6u9WQCrFEbsgCMuGKhtuHCoyK8qgiMAWgpXbwt+lwTAzpbDE 5wsw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=TBnfJZ2T; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l19si4907144pfu.149.2021.10.25.23.08.44; Mon, 25 Oct 2021 23:09:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=TBnfJZ2T; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232689AbhJZBvs (ORCPT + 99 others); Mon, 25 Oct 2021 21:51:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230183AbhJZBvq (ORCPT ); Mon, 25 Oct 2021 21:51:46 -0400 Received: from mail-io1-xd2e.google.com (mail-io1-xd2e.google.com [IPv6:2607:f8b0:4864:20::d2e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12B1EC061745; Mon, 25 Oct 2021 18:49:24 -0700 (PDT) Received: by mail-io1-xd2e.google.com with SMTP id s20so4420358ioa.4; Mon, 25 Oct 2021 18:49:24 -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=Q9ixNJMryetrNkf64Gif/9S4GmDdPd1m0A8YYlrDxDA=; b=TBnfJZ2THlgi6EJWoe2MO5u+LFFM0EWaiS+gotcqJjfIh8zd+i2c6molpxOgo/9s4D dFOGYLm+q0OhSm73HgMzBOqjy2LkiZ+kuDPMyr4SFVGL5gxwrAXFIhbwonRW2eC7qEAi 2K8GtjicsqXI4vzFSsCcedGOgub8jloVy1yjHvaPn9352ZIndl5Ea4DrrTu7ZAAqMD6J QogrxjLepRtyf4KjhS9R4PcbYPfrlWzBubvr+fLQWsihUtby/5E+e0AX6/dw9h9USG1r A5SxerUB1p4uMYV8rL9Pf7naaoIsGCSa6jAI2ewjP+7NXDjJEMyjy+fqlQ0t6wtZiIpc /BXA== 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=Q9ixNJMryetrNkf64Gif/9S4GmDdPd1m0A8YYlrDxDA=; b=x+VBGtmcVhXarrTfCv5jki00LJBVb7N8Q7oyZyh3qRML7v8Hnf+qnUGEBpCjQvQnqc UWYr5CWD3DDF9M88dWN18IrPc7sLFGNdFPBkI1iHbvGUttIPUMJYE5gH236dsLrAfLOR V3zFv2hSz4q70p2VL3/sfrw3hjhmxy4gRhM1otQ26UqxIHPLBCKFdSjkWm01+ljZac4r BIlwEQzg3Gxr5WjkKIfvRC68Zjiji9Jni68Tnqt2N1/Fn88w5qPNX5RgClHUYw9pRZv6 I/i/yBmoWvtJHLMpgCHu7e+izNGBub+b9GUu0d2mwgUFftqr6pw6ac/lxoVoTdVHZ3PW 3BEw== X-Gm-Message-State: AOAM531rkXc9CofYeWFBiNZ16HoVVoHyLBW12usTaIo4YBrJZgDTlQkD V5PoE/YSFvtxp5Kv6TysJpa4KP/bj7JO60p5D4M= X-Received: by 2002:a05:6602:1514:: with SMTP id g20mr13536302iow.9.1635212963546; Mon, 25 Oct 2021 18:49:23 -0700 (PDT) MIME-Version: 1.0 References: <20211025083315.4752-1-laoar.shao@gmail.com> <20211025083315.4752-2-laoar.shao@gmail.com> <202110251407.6FD1411ECB@keescook> In-Reply-To: <202110251407.6FD1411ECB@keescook> From: Yafang Shao Date: Tue, 26 Oct 2021 09:48:47 +0800 Message-ID: Subject: Re: [PATCH v6 01/12] fs/exec: make __set_task_comm always set a nul ternimated string To: Kees Cook Cc: Andrew Morton , Steven Rostedt , Mathieu Desnoyers , Arnaldo Carvalho de Melo , Petr Mladek , Peter Zijlstra , Al Viro , Valentin Schneider , Qiang Zhang , robdclark , christian , Dietmar Eggemann , Ingo Molnar , Juri Lelli , Vincent Guittot , David Miller , Jakub Kicinski , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin Lau , Song Liu , Yonghong Song , john fastabend , KP Singh , dennis.dalessandro@cornelisnetworks.com, mike.marciniszyn@cornelisnetworks.com, dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org, netdev , bpf , "linux-perf-use." , linux-fsdevel@vger.kernel.org, Linux MM , LKML , kernel test robot , kbuild test robot , Andrii Nakryiko Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 26, 2021 at 5:07 AM Kees Cook wrote: > > On Mon, Oct 25, 2021 at 08:33:04AM +0000, Yafang Shao wrote: > > Make sure the string set to task comm is always nul ternimated. > > typo nit: "terminated" > Thanks for pointing this out. I will correct lt. > > > > Signed-off-by: Yafang Shao > > Reviewed-by: Kees Cook > Thanks for the review. -- Thanks Yafang