From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 A6F93147C9B; Mon, 8 Sep 2025 12:43:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757335441; cv=none; b=KAaqFVcyqqqtU9NMXaeRMcUW7WaQdlboaDemyi31Q1GUXKMw3SkXNX+oEB/AEwVFTTp9SgRea+ZHzpG2k+3fSG8AvHaA48WRUSMPdnt8rBxRHtUFaV+FbQx0mRWuefcgotf2/W6SRE4xfPHGQaGR0yKCqSWXQUeFYKVgFtvgptQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757335441; c=relaxed/simple; bh=w83WVjdsSpxuD8gScr0VDwouKP5uJ/QoPOHGCH8nxJc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=ABEUXnHV8Xd8HItzZvh8u7Xs420XHNb3xHUS3YY4v9Bql93aVBH0VxAwHDjR1Apttuieh3cQNamhMyWEdaLivi8rJP8CqlqO8+SU3CLgkxgQsv6ryXiMnbQsitJgknmMJe+eaa60KXBnFzSit+7K/4GClMJkyM8K9dJ7wkGqnS0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jmztIUA0; arc=none smtp.client-ip=192.198.163.7 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) header.d=intel.com header.i=@intel.com header.b="jmztIUA0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1757335440; x=1788871440; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=w83WVjdsSpxuD8gScr0VDwouKP5uJ/QoPOHGCH8nxJc=; b=jmztIUA0zVVHvsmIMEPIv/o7S00vHc+kj2CMFvKkrDMLr38tt28+qtda KEDNfvhTfWA4k4CvKTcGwft0KilkbLjSfObkkq70BPx126LqTPzsueqxI kLOY6FGWg1jNPm4Lwc34LKnsGpCnatByS6KBL3+gOoe5Y1yIN6V2y6bmH fkfl8iSiHqZndILEykCvc1xl75jabiH1Fr5ndKyEVp3Ieo/RBOoZpQNpV JEQs8kgg3uEVpzoQQCjGZFpNRRX/APkV6Z5emN6guQcjVhMwenF+1S22N XmNYeDtEk/9mK0QEFLi+RqLDCqe+WXWRiXGeVOjk308kDD3XGerK/4VYg g==; X-CSE-ConnectionGUID: ma/Rhl0uQ+WAb3pKtorrTg== X-CSE-MsgGUID: ETYIlkTTRWSGFHmHOv5xQQ== X-IronPort-AV: E=McAfee;i="6800,10657,11547"; a="85033403" X-IronPort-AV: E=Sophos;i="6.18,248,1751266800"; d="scan'208";a="85033403" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2025 05:43:59 -0700 X-CSE-ConnectionGUID: kz/L9M0dSPSgPXsRVrCfIg== X-CSE-MsgGUID: T6gKGMO/R+qglbI7tLRsFg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,248,1751266800"; d="scan'208";a="176836358" Received: from carterle-desk.ger.corp.intel.com (HELO localhost) ([10.245.246.204]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2025 05:43:56 -0700 From: Jani Nikula To: Kees Cook Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , linux-hardening@vger.kernel.org, Jouni =?utf-8?Q?H=C3=B6gander?= , Thomas Zimmermann Subject: Re: [PATCH 3/3] overflow: add range_overflows() and range_end_overflows() In-Reply-To: <202509040927.30BEE17@keescook> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20250829174601.2163064-1-jani.nikula@intel.com> <20250829174601.2163064-3-jani.nikula@intel.com> <202509031942.A1669D10F@keescook> <202509040927.30BEE17@keescook> Date: Mon, 08 Sep 2025 15:43:52 +0300 Message-ID: Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Thu, 04 Sep 2025, Kees Cook wrote: > On Thu, Sep 04, 2025 at 10:34:04AM +0300, Jani Nikula wrote: >> On Wed, 03 Sep 2025, Kees Cook wrote: >> > On Fri, Aug 29, 2025 at 08:46:01PM +0300, Jani Nikula wrote: >> >> Move the range_overflows() and range_end_overflows() along with the _t >> >> variants over from drm/i915 and drm/buddy to overflow.h. >> >> >> >> Cc: Kees Cook >> >> Cc: Gustavo A. R. Silva >> >> Cc: linux-hardening@vger.kernel.org >> >> Signed-off-by: Jani Nikula >> > >> > Looks good to me! :) >> > >> > Reviewed-by: Kees Cook >> >> Cool, thanks! How do you want to handle merging this? > > Since it's touching drm, feel free to take it there. I'm not worried > about conflict resolution in overflow.h. Thanks a lot, series merged to drm-intel-next with Jouni's r-b and Thomas' IRC ack. BR, Jani. -- Jani Nikula, Intel