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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5762C54E94 for ; Tue, 24 Jan 2023 21:36:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 013B86B0071; Tue, 24 Jan 2023 16:36:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F06196B0072; Tue, 24 Jan 2023 16:36:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DCDAB6B0073; Tue, 24 Jan 2023 16:36:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id CDBC96B0071 for ; Tue, 24 Jan 2023 16:36:54 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 9961CC0C04 for ; Tue, 24 Jan 2023 21:36:54 +0000 (UTC) X-FDA: 80391002748.04.5A78A55 Received: from mail-pj1-f50.google.com (mail-pj1-f50.google.com [209.85.216.50]) by imf01.hostedemail.com (Postfix) with ESMTP id C64E040008 for ; Tue, 24 Jan 2023 21:36:51 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=QBbIjXEs; dmarc=pass (policy=none) header.from=chromium.org; spf=pass (imf01.hostedemail.com: domain of keescook@chromium.org designates 209.85.216.50 as permitted sender) smtp.mailfrom=keescook@chromium.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1674596211; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=yJEtTELE6IPILkIV2yqZ4XEU/ZOg+93zo1lB2SwMseI=; b=zOtjaqEyPERg2ylaI8ibMZl9FbYjGMAGshaacH2flPu2p0bo04bPgBdx2Ua0g2VVZ1auLp jDgj8qJejzgvMz5L5gXsKp1KXfdbUKyztyonBNCgStncxx6ROK/y+mANtcbSadKsQkZlm1 7axHcggE5M72+JCkT1OCRxn6r8Mw7RI= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=QBbIjXEs; dmarc=pass (policy=none) header.from=chromium.org; spf=pass (imf01.hostedemail.com: domain of keescook@chromium.org designates 209.85.216.50 as permitted sender) smtp.mailfrom=keescook@chromium.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1674596211; a=rsa-sha256; cv=none; b=fvAX8cV+kJWgTdnwqzU4m0+D6iCUSmjjnxXB+g4fcbRlo1VX1YHcQCsHrG9U9JMQ67CqTc Hvu0FaK4UNDf5K44fYpaGHVUIqGFHyQaUv6vydhAsx9uNOBt5XUaoUntvnIqOVUz5sGOCK 7A52tSvwtqSGLwf9s5biDBtgl0WVRr4= Received: by mail-pj1-f50.google.com with SMTP id n20-20020a17090aab9400b00229ca6a4636so41806pjq.0 for ; Tue, 24 Jan 2023 13:36:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=yJEtTELE6IPILkIV2yqZ4XEU/ZOg+93zo1lB2SwMseI=; b=QBbIjXEsuKRk+HNwUO3NwTM1KyJaUtq8sKTWgYzCngzHUbgsowpnLLFnvtpO/mRJkg f/5d8FvXVadN1Ia5kw3Y3sAK85kKcq1oUJ8SJK7MNxyCbjF8hVa9dVnTvDWF3pRrf31k hC+sYD26pJ5yCuKKn7dG5OP8xtPrV2DAIFwmo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=yJEtTELE6IPILkIV2yqZ4XEU/ZOg+93zo1lB2SwMseI=; b=HIaPCN40HMiZCRPGDNtYiI3jc+2p4mr6gEDLy9m0HAhEezhWFKMXcxe9gRaXsBX02F IdCUL3Yeb+xDPYaDjIBMsREUzAp4VAKduWrOws1SK4G8Z8Ml+slJ9q3yRpxX5GciyGTK Eto9wQqAASeF+e9J7Pt2y63jp7mpK1XhJjTKcjNKGyJd5vCgcssqHMDQBySP+kkZUCk+ XLR6BOff7j4TEIZOtrZv/V/aoNRIRH//r+aiVkL08no1Z7hwTuP5Lqxtl3g2OgOBGvnD tEwWEYQqcO3N3nxkrJQ2v7QBUVix7h2Q2uiAp3fN9V9poHzpqZnnolkCpZOWUMXmAytX g+4w== X-Gm-Message-State: AFqh2kpn5M4hJogbPaEGc+q8usn+hA3QLHVfJycnNmwEEqDqhyHRqkYO opf+R//6C4lxO2JL+19LEh9Byw== X-Google-Smtp-Source: AMrXdXu9o0U1hpW/vE0aNyjDiywgb5h6ClNj+Vi5BlwF8wXbWWGlHMJTz/37FjflTi2p371x8AtwDQ== X-Received: by 2002:a05:6a20:4f30:b0:b8:2e85:da0c with SMTP id gi48-20020a056a204f3000b000b82e85da0cmr30552354pzb.42.1674596210677; Tue, 24 Jan 2023 13:36:50 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id s5-20020a656445000000b004a7e39ff1e8sm1887700pgv.49.2023.01.24.13.36.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Jan 2023 13:36:50 -0800 (PST) Date: Tue, 24 Jan 2023 13:36:49 -0800 From: Kees Cook To: Catalin Marinas Cc: Will Deacon , Seth Jenkins , Eric Biederman , Greg Kroah-Hartman , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org Subject: Re: [PATCH 2/3] elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size} Message-ID: <202301241336.8F1C80BD2@keescook> References: <20221222181251.1345752-1-catalin.marinas@arm.com> <20221222181251.1345752-3-catalin.marinas@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221222181251.1345752-3-catalin.marinas@arm.com> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C64E040008 X-Stat-Signature: j14je9b6838d7noumjb58a83w3q8cb9b X-HE-Tag: 1674596211-770668 X-HE-Meta: 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 UvZats6g 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000005, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Dec 22, 2022 at 06:12:50PM +0000, Catalin Marinas wrote: > A subsequent fix for arm64 will use this parameter to parse the vma > information from the snapshot created by dump_vma_snapshot() rather than > traversing the vma list without the mmap_lock. > > Fixes: 6dd8b1a0b6cb ("arm64: mte: Dump the MTE tags in the core file") > Cc: # 5.18.x > Signed-off-by: Catalin Marinas Acked-by: Kees Cook -- Kees Cook