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 ABBFCC3DA7A for ; Fri, 6 Jan 2023 00:02:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4444E8E0002; Thu, 5 Jan 2023 19:02:32 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3F18F8E0001; Thu, 5 Jan 2023 19:02:32 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 308928E0002; Thu, 5 Jan 2023 19:02:32 -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 22A258E0001 for ; Thu, 5 Jan 2023 19:02:32 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D741E1A02DF for ; Fri, 6 Jan 2023 00:02:31 +0000 (UTC) X-FDA: 80322422502.23.D53B85C Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf28.hostedemail.com (Postfix) with ESMTP id 5DA20C0011 for ; Fri, 6 Jan 2023 00:02:30 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=UrdOR0JK; spf=pass (imf28.hostedemail.com: domain of gustavoars@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=gustavoars@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1672963350; 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=PcoDVSr7VhkuAxMX6CurmcT1DVKpDYgZ9gO3SloQjNs=; b=gY8eTgr0W4LvhmVhZp3ocui7VHLZ2SopxDwPKLlP8REav57CLbIHcJqZkdz3nlyh9O+Mab 2SF726oz5I0FjY6yv3JpU4Q+U23W0RGJ+tX84jU2Zrfb9X3ZJ2i1yG5fdMi6sbAOZ8HVs3 VJposei0SqzgAiThXfOdvj9VFarIT5U= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=UrdOR0JK; spf=pass (imf28.hostedemail.com: domain of gustavoars@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=gustavoars@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1672963350; a=rsa-sha256; cv=none; b=woItbSG2FU7y2zYGUkl1Av2hcawap1eltvfouhVrtpGEiPKYLVrxrltaCKcrAPvb1a1UcD 96V8Lro/zW2995XyCUwTLml2hKJQxsl/KL3qC2SKzhqKqsp/W+boITlHUhpPjebZhTaNFi /evsSOjmNPhbk6lHa6F6VnYBHS4EWHo= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3120761CAC; Fri, 6 Jan 2023 00:02:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0307BC433EF; Fri, 6 Jan 2023 00:02:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1672963348; bh=1KDmSWt4RhMhsaM1ixd2OuCs+ZKDeSjvTmD2Jst6BVM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UrdOR0JKHNNSm4I+mY7ODOwCttwAmhNuxViGChPKvwved9FGgOdIbPojo88iBEwOr qDxVTEoy59Ut2y4dnkBRlsc6GlSqLUsq0x5AAzSZwgiCwiUUSi4yZibuNIwQIl2ug3 GgFU4ApcjQyL0yiGeSs7hURUVb23Z+uvikllWrNLtQo0eGpKKiDlEFfan2+xMyhoL/ iizpiq+OpdkP6enAALvEwKkdsLsSldBTIVUms4Qif1Upcyp/YAnN+5GHATqY9K4QvP g9lqqH47Lo0Hd+cETK0lXuzi4KaJmsN/Nc7PcXfXE+BpOKUQHm1JdLgsBtB6FlU6G6 DNkmkF03LcLPg== Date: Thu, 5 Jan 2023 18:02:32 -0600 From: "Gustavo A. R. Silva" To: Kees Cook Cc: "Gustavo A. R. Silva" , Andrew Morton , Dan Williams , Alex Sierra , Felix Kuehling , "Matthew Wilcox (Oracle)" , Shiyang Ruan , linux-mm@kvack.org, Alistair Popple , Joao Martins , Mike Rapoport , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] memremap: Replace 0-length array with flexible array Message-ID: References: <20230105220151.never.343-kees@kernel.org> <202301051441.C1D7291921@keescook> <202301051536.1D1F92678@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202301051536.1D1F92678@keescook> X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 5DA20C0011 X-Stat-Signature: hg9mi68uq5gzd16rcsqk9nnog4fhnhmj X-HE-Tag: 1672963350-643135 X-HE-Meta: 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 fl/k1d1W v/XpGmro/MuJg/Ggmv141vGRUZcxzoNsYNBC+ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jan 05, 2023 at 03:37:03PM -0800, Kees Cook wrote: > On Thu, Jan 05, 2023 at 05:14:23PM -0600, Gustavo A. R. Silva wrote: > > > > > > On 1/5/23 16:41, Kees Cook wrote: > > > On Thu, Jan 05, 2023 at 04:14:05PM -0600, Gustavo A. R. Silva wrote: > > > > I think this is the same patch: > > > > > > > > https://lore.kernel.org/linux-hardening/YxKO%2FjY1x0xTpl4r@work/ > > > > > > > > It's actually in linux-next. > > > > > > Hm, it's been in -next since September? Is this in a tree of yours that > > > didn't get pulled for v6.2? > > > > No. I didn't send it. It's just one of the two patches I have in my -next > > tree. They didn't look like high priority at the time. > > Cool. I'd like to get -fstrict-flex-arrays=3 finished this devel cycle, > if possible. Can you add this one too? > > https://lore.kernel.org/lkml/YzIc8z+QaHvqPjLX@work Done! https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/log/?h=for-next/kspp > > I don't see it in patchwork which I find confusing too. :P mmh... and I don't remember updating it in patchwork before. (thinkingface) -- Gustavo