From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.10 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792489621; b=lvQtgF0X5NePxiRC8n7csOTDWb7yzMVn2j0BZXRCiuAlGCZPBBH+o/XEsmc0tAjOj83m TKMRayUCG3h7rISzdpVNuHMOR+UR6Z6awFtj4qXGS3319ST2UB/m35pf52C1wlVCtbjV6 cRDDma6iZkDCE5JIDAIKehZwdkePnGwEhQNMUX4DwR8UuG2dV890Q7304+M91cs8dDVk6 6DH5es80IErpRWN3D/EEPFbjoYVqTDhRQU1Ru0pzWizLuJT/xuwjZHMqx3X4mNIt7Yzul LD7dN3iwgpCnRqS33g9WB/oPxTGgIQowl5wXv5B/b3K9OEGmfiG49CAJtksIC8awoxA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792489621; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To:Organization; bh=59Psuj31G0JVByohcVSm9vJ4tHZfjF6uKxdttbLpGs0=; b=G7j4oAdQJVm+16ZZJlKMUjmQoNC//CWFsIiprXDEzmh8UxDUOCCa6lkmt8cnnarzjNBT DXGI7GO62F236G6ik4QoP/0oVWK7Pcoejl07YTF/Ft3dPAyIfhoqhVo3BfzfzUg+tLIE4 if2BAgFfLAZNYW2lQng0Bk3ALVF5P0UbKaREyT18wkptgDkEOARloV/pPa0zHu/OBLwCS 1TcNtldy0wPypAXghvR9HR1gPyfvcSb0wNmDUKQqx1p8/gtma6y0XztmKd5s0c6sUxM9J JX+hDtcuyjs84tmqUqMKc5z9TTo7vFccXfcFev4Vu8SPQNTYVF8eh8H88r01fo9gp6w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mej+8oo4; arc=none smtp.remote-ip=198.175.65.10 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E4CE606A319 for ; Tue, 20 Oct 2026 09:47:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8E4CE606A319 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mej+8oo4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792489620; x=1824025620; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UqYT7KpqEfxkn37ydS7WN5/k/wG1UIuKK8r8f4p8jzo=; b=mej+8oo4j3MD0HdNAW91L+8cEbam5OyWA82l+0xIl1m0TfEGtmo1g+tO yo05FprL/AwoLRIsVIj0vPjAWbeE1eeZCnIETz1+agD9xyCOPej5TzpXO svBVZcr24PpB6VapEWUWNONkKAhazRpogG8vPtYLiaO2CKe5DmdY/JQgV xqWe24DyG1yEBbMANHgvGfSjG6g8L4p1rcprv0Muza4Zbs/QSuNVxwjR5 9X4Tuk7dlo3ALCHxFW7n2LZ2oUZ+TQZc7tIC08CQ/Jocuhy19m9BXMNuk d4mU5+M2akedzbnAV9NXj9rB/MeLDmP0G9btkYZGaSRQHxc+ZMVuB7629 w==; X-CSE-ConnectionGUID: vaozPkRZTZutXYL35xpxaA== X-CSE-MsgGUID: QZZxKOATSki/WqjCSko0Kg== X-IronPort-AV: E=McAfee;i="6800,10657,11940"; a="1076960" X-IronPort-AV: E=Sophos;i="6.27,168,1787036400"; d="scan'208";a="1076960" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2026 02:47:00 -0700 X-CSE-ConnectionGUID: VfCjqVGeRFm0LphwnOEBNg== X-CSE-MsgGUID: 6LI399XPQE23LJ9W3gGivg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,168,1787036400"; d="scan'208";a="2839696" Received: from ettammin-mobl3.ger.corp.intel.com (HELO localhost) ([10.245.244.72]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2026 02:46:58 -0700 Date: Tue, 20 Oct 2026 12:46:54 +0300 From: Andy Shevchenko To: Len Brown Cc: linux-pm@vger.kernel.org, Len Brown Subject: Re: [PATCH 03/18] x86_energy_perf_policy: Prevent unlikely buffer overflow Message-ID: References: <3a763b979bb1a9a7f76f2b3c9134ca0b580108b6.1792428130.git.len.brown@intel.com> X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3a763b979bb1a9a7f76f2b3c9134ca0b580108b6.1792428130.git.len.brown@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Mon, Oct 19, 2026 at 12:43:24PM -0400, Len Brown wrote: > Protect update_cpufreq_scaling_freq() from buffer overflow > if somehow it was called with a huge CPU number. Reviewed-by: Andy Shevchenko -- With Best Regards, Andy Shevchenko