Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp3164985imm; Sun, 3 Jun 2018 21:30:49 -0700 (PDT) X-Google-Smtp-Source: ADUXVKIWOugiND2ClzWOagZeft8igIWadBJEVWlhOTc8cQ7OYgR98cIi8eRsXJyYOWHNA7F99yad X-Received: by 2002:a17:902:b184:: with SMTP id s4-v6mr19803118plr.359.1528086649688; Sun, 03 Jun 2018 21:30:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528086649; cv=none; d=google.com; s=arc-20160816; b=i53/GuhFPiCUr/ip4XTNwNW0IVO3mtrzA09ibyWCzCdlcBrwZ3uxG6VFUV19VgDcBD YxZi7yPJzQRQLQi6rZcQgKYNIne4s72T2Om2nFkazfO/d8tAC3NLr0kZ+Qu7+QWoBRlM cK3ohUL8v+gy3KlU00i/ZHpyBwWVHqw5YrcM2T5cBEfZnFiJkLtzU8OnZTwkCv+mZyhG SrDqFF7pKpZysPqkmaDz/yu4yFEkDfnr+glZEZYdQndwmPDNFnMqUe/JuNQTNh+DckjS lyqat+vq/7iZEMwQyTi1Uu/OrkxeIbxWnL/0/4Skps9SWDinwUGNKzbOV0G37qKTyqbm z+iQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=Uvq2/r+aXjvNJ+TriWaWs2mqh0D4Wjue4EslYLS5tCE=; b=AuI4IfwNiyQU3IJ/3ARi6m+yX0WZTG9ptd8kLd9+Qu4vjOka/EZRgWArmQMAxRv9hf tp5gtEtkq17GTqHAwvbgPVHqq12ciNkK7e/bn/55tOPFOpvXBVw+s6T1w4UPA3Vzil6F ZeooxKwd3ZYdpZZvbcEhgcLs93mkHkcP+L3GaLLMj9ys32K6G1vMRanNiEoLvWua7U32 ecsd1mXrhSt7wMNpulggOpRltpMc20VUjwbvxuimhC//R/QIzzd7Vx7LkxxsoNhwG0D1 3VUyWLoeLANmtUbHgj61ZkPZa3FwiNIdCJu2QGSy1TpLNZKWdHTQkSPETAAYLQaLaTJ4 R6hA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p17-v6si1156978plo.534.2018.06.03.21.30.35; Sun, 03 Jun 2018 21:30:49 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751870AbeFDE3C (ORCPT + 99 others); Mon, 4 Jun 2018 00:29:02 -0400 Received: from mga03.intel.com ([134.134.136.65]:20732 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751061AbeFDE3B (ORCPT ); Mon, 4 Jun 2018 00:29:01 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jun 2018 21:29:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,475,1520924400"; d="scan'208";a="46513969" Received: from cgraff-mobl.amr.corp.intel.com (HELO zurbaran.ger.intel.com) ([10.254.75.147]) by orsmga008.jf.intel.com with ESMTP; 03 Jun 2018 21:29:00 -0700 Date: Mon, 4 Jun 2018 06:29:00 +0200 From: Samuel Ortiz To: Andrey Konovalov Cc: "David S . Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Vyukov , Kostya Serebryany Subject: Re: [PATCH] NFC: fix attrs checks in netlink interface Message-ID: <20180604042900.GB31498@zurbaran.ger.intel.com> References: <75ce3040b4086ffa2d2e088ad7f24f5e4a87be56.1523552145.git.andreyknvl@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75ce3040b4086ffa2d2e088ad7f24f5e4a87be56.1523552145.git.andreyknvl@google.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrey, On Thu, Apr 12, 2018 at 06:56:56PM +0200, Andrey Konovalov wrote: > nfc_genl_deactivate_target() relies on the NFC_ATTR_TARGET_INDEX > attribute being present, but doesn't check whether it is actually > provided by the user. Same goes for nfc_genl_fw_download() and > NFC_ATTR_FIRMWARE_NAME. > > This patch adds appropriate checks. > > Found with syzkaller. > > Signed-off-by: Andrey Konovalov > --- > net/nfc/netlink.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) Thanks, applied to nfc-next. Cheers, Samuel.