From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 698EE606A321 for ; Tue, 10 Nov 2026 08:19:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0XNs4fTa; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=uy/4Vzm5 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=RyGS5BYQsgIK0f3SZKWntgu4dy9J/rSB7/HXNadBGz8=; b=0XNs4fTaqAO+ITTsbcM5nLtwcY XuEHHej26xZPavvgDf4jwh2YiTKpB5FpZICH8q2l+vBmUCcSncwvvnQGQHo9h6i348/rIfCn8TtjH +Rnp334dOiiQcC9taAg192bFAf+WIvqWQKKyQbdp5EzuswPUD3ATTlXNyGR8YVyK/6TDVroLlIIOL LoZfLkZnKSxkX49iq3mE7+idGbAGNzKnA1nLaJz3eEMcWCOJ1TU8hBDP5WlyqSEfrLD9+gdy3K39A ok93Qdf22mXMWO3w4c+dj81Pdo5B2MS4jFqTPjQ0A+5pCHV1hniJf+D5zhvE9EraNVYohWtmMip58 0bBKIKFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQh4y-000000035w1-1I2f; Tue, 10 Nov 2026 08:19:44 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQh4t-000000035sM-3YkS for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2026 08:19:42 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 35E851516; Tue, 10 Nov 2026 00:19:35 -0800 (PST) Received: from pluto (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 13B6F3F85F; Tue, 10 Nov 2026 00:19:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1794298778; bh=ylG4St2aJ0VmW2ktR8NjqrmUljZZyPC2qz7U+ukHujw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uy/4Vzm5LDCZlKDKG5l1x/8xmaojsxT1a3TtNv2PeVPUz1aDBNZmmO4CPoT2426OG bVhM1ePo8CDGr+jaVsc26knbdY86TVpU9bwEmgHiczkZwj8OBUH1i8IjZfhMtNWTtx fyFOGnXcW+l903eZ3/xC5t8UL3JnPQNJ9gZqBDZw= Date: Tue, 10 Nov 2026 08:19:28 +0000 From: Cristian Marussi To: Jonathan Cameron Cc: Cristian Marussi , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-doc@vger.kernel.org, sudeep.holla@kernel.org, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, d-gole@ti.com, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, david@kernel.org, souvik.chakravarty@arm.com, leitao@kernel.org, kas@kernel.org, puranjay@kernel.org, usama.arif@linux.dev, kernel-team@meta.com Subject: Re: [PATCH v15 01/35] firmware: arm_scmi: Harden iterators state parsing Message-ID: References: <20261109091221.2532706-1-cristian.marussi@arm.com> <20261109091221.2532706-2-cristian.marussi@arm.com> <20261109135713.000049d6@oss.qualcomm.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261109135713.000049d6@oss.qualcomm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261110_001940_021576_3B3AC6E5 X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.4 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Mon, Nov 09, 2026 at 01:57:13PM -0800, Jonathan Cameron wrote: > On Mon, 9 Nov 2026 09:11:47 +0000 > Cristian Marussi wrote: > > > Add checks in the core multi-part iterators support to detect generally > > malformed and incosistent multi-part replies. > > Spell check patch descriptions. inconsistent. Ah...checkpatch let me down another time > > Otherwise seems fine but I'm too lazy to check all existing protocols for > that minimum size! > Indeed I was too lazy to add a dedicated parameter to all the call-sites so I verified that any possible standard/vendor protocol has that minimum size as of now, since in fcat it is the minimum viable payload needed to hold num_returned/num_remanining...if any future spec will change this we'll evolve accordingly/...for now it is the simplest approach (and kills a lot of Sashiko complaints scattered all over :P) Thanks, Cristian