From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from omta40.uswest2.a.cloudfilter.net (omta40.uswest2.a.cloudfilter.net [35.89.44.39]) (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 9A7741B4C3B for ; Thu, 20 Jun 2024 18:02:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=35.89.44.39 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718906543; cv=none; b=XEt18+gNUEkzOQadJmoFcH2bC/6sDcg+tDrgLlmEm6HzT0CiNKPz0CQqvWAz8Qg+By1DhhXRc7JyszPADouB73cD48Aav9d9J81+rpGEMwJ1Tv0az//q5+fCuuKa/AeSKvfUV4VEMK7ZHUABejIhnrBpv7Br5505ZGQY8atmsJk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718906543; c=relaxed/simple; bh=9OYNE5YcPJoW+cycciShcyXeb0c1OGto8YDuhiLt/9E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=YlyxhTvNsjFRIh1R//iUZbdvWdu3a3aYJrY3tbtSySS5DKKjiGOzekvqni00vCRsBpP5K74H+ca/Wfju4uAxEYXTWMrVcpHkyPiGBBWBmWqD/GqlV18MmPn1iRGbBlhWTxsGlNEYqJmIs+8d6GsIcFYZwrwQ/5Cg1CWrSDj794E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com; spf=pass smtp.mailfrom=embeddedor.com; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b=TrMdy504; arc=none smtp.client-ip=35.89.44.39 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b="TrMdy504" Received: from eig-obgw-5004a.ext.cloudfilter.net ([10.0.29.221]) by cmsmtp with ESMTPS id KFWPsBbqqrtmgKM73sp1zq; Thu, 20 Jun 2024 18:02:21 +0000 Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with ESMTPS id KM71sdhoMGDo0KM72sWoro; Thu, 20 Jun 2024 18:02:20 +0000 X-Authority-Analysis: v=2.4 cv=I+uuR8gg c=1 sm=1 tr=0 ts=66746eac a=1YbLdUo/zbTtOZ3uB5T3HA==:117 a=frY+GlAHrI6frpeK1MvySw==:17 a=IkcTkHD0fZMA:10 a=T1WGqf2p2xoA:10 a=wYkD_t78qR0A:10 a=u8_TST9jJ4tMlxaXhdEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=embeddedor.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=HfKKts8lHZEV18StgAl0ALsIpFvYHBbDUnFqCEnAdRs=; b=TrMdy504Ugni0jbv4PFKWfje9V ClDtpMDCuWWJYypILr/vUVFwgQ/jrR+7jbKpafdafiTG9H7OM1a3m9tzMpVVr214sbB+bt1ntOyb1 xiMj3rY77gU+N4r5nY8MjIkcEOCmA4HQk/vClwkCo4znDagw7v4zOnJwLuJCkRCBUwnHUyBPUiw7v MaFluSrchhPqDq47wjsWQlasAIZs6+wmbHsUfpbCs3sjwHV2/CTnA97IusGBwIO6dBYknoLP1IsOL nzSwiGdSiDZga4EWSU9yQtcOSSHGVr0P+QjUk9E09rkG0Tnk1bL+745mR2hnq1JJtS0DMJ1PGairJ t/UW1t/g==; Received: from [201.172.173.139] (port=42268 helo=[192.168.15.10]) by gator4166.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1sKM70-003e3c-2m; Thu, 20 Jun 2024 13:02:18 -0500 Message-ID: Date: Thu, 20 Jun 2024 12:02:13 -0600 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] wifi: iwlwifi: mvm: Fix __counted_by usage in cfg80211_wowlan_nd_* To: Christophe JAILLET , Kees Cook Cc: benjamin.berg@intel.com, dmantipov@yandex.ru, gregory.greenman@intel.com, gustavoars@kernel.org, haim.dreyfuss@intel.com, johannes.berg@intel.com, kvalo@kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, luciano.coelho@intel.com, miriam.rachel.korenblit@intel.com, shaul.triebitz@intel.com, yedidya.ben.shimol@intel.com References: <20240619211233.work.355-kees@kernel.org> Content-Language: en-US From: "Gustavo A. R. Silva" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 201.172.173.139 X-Source-L: No X-Exim-ID: 1sKM70-003e3c-2m X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.15.10]) [201.172.173.139]:42268 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 7 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfAqYfSS3m78kvhNgMK3LFGld6L6ul+ZQOeHItqFxoezMTDYh4+TyCMWceudat69he/F2TamOqhKGUJ8LGHKI+5iWzW6X5lAvwGntNV3kp4NsP2dyrvj6 dXYAXYu+nnQd/B0TWRM+4ANCE6OPiY5Wd73O+1F7fzP+3rLLCt6kILcOBfvv/s3Ja/46rdfKF/ACmoqJ/wZDmFp08x4loQn4MGdnEWRkhuI8Xxuq8IBhTN/P > My understanding is that 'match', is allocated by : >     match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL); > > So match->n_channels is *0* when iwl_mvm_query_set_freqs() is called. n_channels is updated in the line before calling kzalloc(): n_channels = iwl_mvm_query_num_match_chans(mvm, d3_data->nd_results, i); match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL); -- Gustavo