From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48CD623394B; Mon, 27 Jul 2026 02:35:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785119762; cv=none; b=CHg9oF0yZ6VyA9B1KX8HB54KLc3j7TVCRjff52vutqkffvgac4xfr/ys6BAXH+JKcAvk2t7J54+aDDCoqRllmzlJzToFpaZkEImqlzv0WVbWrR+cBPeCWNUT28jnhXVJXKESQmItJ0sY2LPCgb7hmWtfYaWnDzJdr55un5jaqAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785119762; c=relaxed/simple; bh=G3FehA32ErYM7NrF4m1rKgzFfl2K4ChTf4iHA0aunLY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=TV83xH6F9hH4NENuiGGEFdCgO+34ZWsN7LSB+4OMowkAe2DsKrzN9mtPed4OulbCjlp3qN5peFzQzpj9m7ckCdoCUXuIRj/51YtdwL3xZt0QSeZL7qXO5S44lnLA5ILlSljyLacmUdWvecfpvVjhy2Xj5dLwKXzR58pM7+Hc938= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: defb1576896311f1aa26b74ffac11d73-20260727 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:47e22d99-6cd9-4407-9870-263a0864548b,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:e7bac3a,CLOUDID:e550ef9e2d6cbeca3e996a2c2d717109,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|865|898,TC:nil,Content:0|15|50,EDM:- 3,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,A V:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: defb1576896311f1aa26b74ffac11d73-20260727 X-User: liuxixin@kylinos.cn Received: from [127.0.1.1] [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 326443258; Mon, 27 Jul 2026 10:35:46 +0800 From: Xixin Liu To: arm-scmi@vger.kernel.org Cc: sudeep.holla@arm.com, cristian.marussi@arm.com, mturquette@baylibre.com, sboyd@kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, liuxixin@kylinos.cn Subject: [PATCH v1 0/4] firmware/clk: arm_scpi hardening (leak, OPP bounds, cpufreq) Date: Mon, 27 Jul 2026 10:19:15 +0800 Message-ID: Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailer: patches/scripts/send-local.py Hi, This series hardens the OF SCPI firmware and clock paths against a few real defects found while reviewing linux-next: 1) device_node leak in scpi_dev_domain_id() after of_parse_phandle_with_args() 2) DVFS OPP count from SCP trusted beyond MAX_DVFS_OPPS (OOB read / bad OPP table size) 3) DVFS index used as clock rate without an upper bound check 4) scpi-cpufreq registered once only, and cleared on register failure so remove() does not unregister an ERR_PTR Please review. Thanks, Xixin Liu --- Xixin Liu (4): firmware: arm_scpi: fix device_node leak in scpi_dev_domain_id firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS clk: scpi: bound-check DVFS index in scpi_dvfs_recalc_rate clk: scpi: register scpi-cpufreq once and clear on failure drivers/clk/clk-scpi.c | 8 ++++++-- drivers/firmware/arm_scpi.c | 9 ++++++--- 2 files changed, 12 insertions(+), 5 deletions(-) -- 2.53.0