From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E24D4C433EF for ; Wed, 9 Mar 2022 18:28:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236090AbiCIS27 (ORCPT ); Wed, 9 Mar 2022 13:28:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233444AbiCIS25 (ORCPT ); Wed, 9 Mar 2022 13:28:57 -0500 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3834730F4F; Wed, 9 Mar 2022 10:27:57 -0800 (PST) Received: by mail-lf1-x12e.google.com with SMTP id r7so5318860lfc.4; Wed, 09 Mar 2022 10:27:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=6Wfvf+Q1dHpq5+onmxCyJ2OGjzL7oPxurPNJQLIqmfY=; b=i+lRW+f7oPWk7jcy7w1AalK8NE85rsaceNF0w2ytooHwol3fZIMtcywmIm+P0I2Vp5 b+JLJzp7IzP554e+1ELikmlo/Gm5zZfHmbcHfi3D0FUQgCwDpKPcQuPb1ymOTVWyMnXB xTBXt+q+wTmhmOP60lxSNUqgGwsYNMUCiMMJgCdS90sMovQkRNfygN59OyQ+k8wQhl38 m75RZeoyfKQIeIjB3hUJ1EH3DJTKX05/8ABd2dtgJ/lsqkIChoXJG9v+N5u6n4J81BSZ 6eZG5riskYhC23IYlbnclwaVdRRQ/m91DZgDlCl3pMmJGj5P52GWS9OrAfUCZS1YxlPq 2Byg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=6Wfvf+Q1dHpq5+onmxCyJ2OGjzL7oPxurPNJQLIqmfY=; b=BuZHNgVkiA24SLO8HX8BQT798vwzeDQlMGVQuMxAIzntqmwDmyg4m6WPlF5O0fuBB7 d0JKndl1dfA2e8hiyJ32zv9HIO9NZinZo2UEwPAgyNahMkJ+pZKnJ33/XN/v1vUcIci3 1uqwZLDUBRfDULsWAqTfdMFF5Mb0exo6QDJd1p5KOLqk5kpZKtnCQooxw9weoA3qdVYD K/79WtYdZAR1jb2JaOwbmHQiD95QwUsvSU48fVgsTr0CTyTpuGn5h58paBY7MKYOa1RY LtHfzEMfKfV96a9VJc1HfRBVWfz8czqkq3dgGTre984RPrVL/vJJ5aHp6hFzxlmLcAB2 oSYA== X-Gm-Message-State: AOAM5338V6Y5LhaQwAzljEXSSNSjFeenVZvGyrg2nVkDjgWxnX05aA5c dWPOLaLmVqhaGX7MQCIe3s0= X-Google-Smtp-Source: ABdhPJzA0KMD3/dvoxflUnM7ShAVTJalNTkZZHAC4qEm02JiUvoHmrLHBnPSiF25175TRgaTmkSUiw== X-Received: by 2002:a05:6512:33d3:b0:448:38e4:3088 with SMTP id d19-20020a05651233d300b0044838e43088mr556297lfg.272.1646850475308; Wed, 09 Mar 2022 10:27:55 -0800 (PST) Received: from [192.168.1.11] ([94.103.229.107]) by smtp.gmail.com with ESMTPSA id q26-20020a19a41a000000b004485b32c483sm210037lfc.192.2022.03.09.10.27.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Mar 2022 10:27:54 -0800 (PST) Message-ID: Date: Wed, 9 Mar 2022 21:27:53 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH] NFC: port100: fix use-after-free in port100_send_complete Content-Language: en-US To: Krzysztof Kozlowski , sameo@linux.intel.com, thierry.escande@linux.intel.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+16bcb127fb73baeecb14@syzkaller.appspotmail.com References: <20220308185007.6987-1-paskripkin@gmail.com> From: Pavel Skripkin In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Krzysztof, On 3/9/22 12:52, Krzysztof Kozlowski wrote: > > > Reviewed-by: Krzysztof Kozlowski > > Thanks, this looks good. I think I saw similar patterns also in other > drivers, e.g. pn533. I will check it later, but if you have spare time, > feel free to investigate. > > Similar cases (unresolved): > https://syzkaller.appspot.com/bug?extid=1dc8b460d6d48d7ef9ca > https://syzkaller.appspot.com/bug?extid=abd2e0dafb481b621869 > https://syzkaller.appspot.com/bug?extid=dbec6695a6565a9c6bc0 > Thanks for reviewing and pointing out to these bugs! Will take a look With regards, Pavel Skripkin