From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 6B8F030DEA6; Tue, 7 Apr 2026 07:02:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775545331; cv=none; b=U3Lps3V6wigKLqVmzuctXTSXEJwvp0V4rXkaLQ2FAWQehjAdbXfMCaJE+74ggsY3zr3kYrw1uw7Df4akaAZYLQHV45tPlY+950tIi/6WtNJpcCNHfUW4nLKr4bYcgOBdFmwzh8tvseSAozxPLmketbqMkqN3mqyiRMyTPKlCxkg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775545331; c=relaxed/simple; bh=V3Pphi3z48sC6cwOlXjuB2roYc9KI1wSiuAh2leMyzk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Cw26UFFlcNhXqA8UEj5r2RYUm1TYZUjE0uxMZFrdIIj1PNIluAi+OTLeIb7Jm1cTp2sbFQZUiejSjXqFsi79UrvJjkWDxjlYJTD3golgbuYHTAejSpWtRzUka0XSABgvNu3HFFA6+NeNwUhaYsSb25o3r/afYlP9i4g1+iFGEas= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=VXG7SbNI; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="VXG7SbNI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775545330; x=1807081330; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=V3Pphi3z48sC6cwOlXjuB2roYc9KI1wSiuAh2leMyzk=; b=VXG7SbNIRfKM5tYict/aZzw8lH54oyjy+xJGoc6DH44eH46WWJ3MucoA 5+oQdDcMhoVrsKs60S5XAN1Gqpj0cc5tRahWU6kxFPkSxTlEzvZ16qpBq SiChG7iPmOu9IkN9i3GgM6EHz4+ZawqernML/XzRLWj4wyTtgFv1c8Nlg 7NHYdiXiZQqPtA+kiMe4Cp1h3GboeeKIllSgq7SC6eMrGsT0y1S6XIzjr xasP+BVIKiSfLjySz7hTOcAPqPiu7THxlRGoqAZFQN5diBNxsUo2C3G3G 1yqgBX5NrtbOVbqg3fRHDm9ltb8NjJnSon+zVeiNwM58tbIiG8S4T+tWU Q==; X-CSE-ConnectionGUID: LGBV01pBSROoi4WAA8TKJg== X-CSE-MsgGUID: OD69kc9eQbqeRxTi5+jM/g== X-IronPort-AV: E=McAfee;i="6800,10657,11751"; a="94080815" X-IronPort-AV: E=Sophos;i="6.23,165,1770624000"; d="scan'208";a="94080815" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2026 00:02:10 -0700 X-CSE-ConnectionGUID: 6HGZ4sFVRQiO9W7KR9tCcg== X-CSE-MsgGUID: mxdhmdZYQLKhdFIaTuKD5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,165,1770624000"; d="scan'208";a="251375736" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa001.fm.intel.com with ESMTP; 07 Apr 2026 00:02:08 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id CFB9195; Tue, 07 Apr 2026 09:02:06 +0200 (CEST) Date: Tue, 7 Apr 2026 09:02:06 +0200 From: Mika Westerberg To: Rosen Penev Cc: linux-usb@vger.kernel.org, Andreas Noever , Mika Westerberg , Yehezkel Bernat , Kees Cook , "Gustavo A. R. Silva" , open list , "open list:KERNEL HARDENING (not covered by other areas):Keyword:b__counted_by(_le|_be)?b" Subject: Re: [PATCHv2] thunderbolt: tunnel: simplify allocation Message-ID: <20260407070206.GE3552@black.igk.intel.com> References: <20260401214726.3911-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260401214726.3911-1-rosenp@gmail.com> On Wed, Apr 01, 2026 at 02:47:26PM -0700, Rosen Penev wrote: > Use a flexible array member and kzalloc_flex to combine allocations. > > Add __counted_by for extra runtime analysis. Move counting variable > assignment after allocation. kzalloc_flex with GCC >= 15 does this > automatically. > > Signed-off-by: Rosen Penev Applied to thunderbolt.git/next, thanks!