Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp3074685pxb; Sat, 9 Oct 2021 00:42:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz3jyYLPcg3ASHNw8Hw5VUHDOio6euamtA8XUUVu4vzuxBCNT/+R1RHi/FgX07pTM9QRa/t X-Received: by 2002:a63:cd4e:: with SMTP id a14mr8505413pgj.429.1633765349574; Sat, 09 Oct 2021 00:42:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633765349; cv=none; d=google.com; s=arc-20160816; b=EZiTjqd80Feo7DZG8K7p8O+HKgGh6tAsFd0+hI0XPUMixR0I0bJgEvmlXKf3HqidMk 2bkUmMqzBOK8ePUGXX3ihIx+fo7nkRF0creUYaW2QLvBzuFdC5xyUVLcDHlv1kPH/9BG RREpZVYj1Yw3b5amoEeE5y8w9hAYM6af5o6DxQtCq7w/V5h9qbXXscNk9uQ0VzqVGs1y NjPhl2voDqKgPoxp4LhqES2yHzTblF4D+e4/gIFgasCg51qLwPhAiJGjbExef0Kx58Ex O42LmY/HZZwA8j8RBUa5hnG991Rx90g72mAAyewPKjvQs6gtVaxAFJK5GwfCvIOkEXZP 2iOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=j8vMTFIlTHz9X4xDCr07NAGh/tiD7/AaCnEI/JbwUI8=; b=ZO8V9f6t28XZUzbRSnuSi1gqRDPf1fcRlCYyT+mE8kA30Jc9k6TXOcus69/g8ya28a xv7/MntcmqDybOwNvlK3Yx7ZiOYsp6JoSxKDrC+fNkVs+oHN5f8fgD4XYkiYiVEYhScn IEmERDLGzpbBUO6PDjCM2W++eoKFWhEtgNFWJVBkx9X6l4N/U3z2WPXN+sfdPbRNU+oI 2DYdNZNHZTWF4xcMmiNAng3tVEe5vQbChJT1l4Ftt+pEW2tcrGgJrU3sAYKqiOXUy8yP DwpFCLz744ABXOSymf/nsYm/7fRXliwPp52xiq9wZvEii3D57U2FDsijVFbSK/L/xJCl RIgw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 143si2059691pfx.81.2021.10.09.00.42.17; Sat, 09 Oct 2021 00:42:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232786AbhJIHnP (ORCPT + 99 others); Sat, 9 Oct 2021 03:43:15 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:25112 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229804AbhJIHnO (ORCPT ); Sat, 9 Oct 2021 03:43:14 -0400 Received: from dggeml757-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4HRH5D6gbgz1DGn9; Sat, 9 Oct 2021 15:39:44 +0800 (CST) Received: from localhost.localdomain (10.175.104.82) by dggeml757-chm.china.huawei.com (10.1.199.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Sat, 9 Oct 2021 15:41:16 +0800 From: Ziyang Xuan To: , CC: , , , , Subject: [PATCH net v2 0/2] fix tx buffer concurrent access protection Date: Sat, 9 Oct 2021 15:40:08 +0800 Message-ID: X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.82] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggeml757-chm.china.huawei.com (10.1.199.137) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix tx buffer concurrent access protection in isotp_sendmsg(). v2: - Change state of struct tpcon to u32 for cmpxchg just support 4-byte and 8-byte in some architectures. Ziyang Xuan (2): can: isotp: add result check for wait_event_interruptible() can: isotp: fix tx buffer concurrent access in isotp_sendmsg() net/can/isotp.c | 48 +++++++++++++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 15 deletions(-) -- 2.25.1