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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,FROM_LOCAL_NOVOWEL, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECDEEC47404 for ; Sat, 12 Oct 2019 00:07:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0D6C2089F for ; Sat, 12 Oct 2019 00:07:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Q7kTfk7M" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728515AbfJLAH3 (ORCPT ); Fri, 11 Oct 2019 20:07:29 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:39447 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726458AbfJLAH3 (ORCPT ); Fri, 11 Oct 2019 20:07:29 -0400 Received: by mail-lj1-f194.google.com with SMTP id y3so11408879ljj.6 for ; Fri, 11 Oct 2019 17:07:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DP/pIZ7Dk1r0Q1hAF8O62ASZwsVKnOksJciqBlvU9ik=; b=Q7kTfk7MSE6QawaFDXeSSzLymvp4F8fw5HDlXIrhbSMRYSOL2Bs/kBZY6CvwwBktap pQEhlW3IqjqiVmd9yzYIUpEPMypBT5AIhmcsnyYzd1ZBaah/uVjt9FmJN3wQ6Y/mu1vV 9cmWtcLBuoMIKagHz3hrlORigpkYyNJnx+bND7R/O9A2GdkTli3uLg+/6QnDihRTKqTK vZ7cYwZjqkZlG4JDUb1aG4D2sSZZ4Fqc0m0BzMvbhDV3BUTeT8qeO6oSDJ+wyP/0lGp8 tMVmz33GbIh6e7WFkI2cjOubo4mVEG3jul7rs0ZFkn1wPFtS1bGqsXjIMuDVzXCanSfa KKhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DP/pIZ7Dk1r0Q1hAF8O62ASZwsVKnOksJciqBlvU9ik=; b=N2Y8tMneBvo7FmbMWj92p2xnvBKDSp8Wn9X88CdHISKwv9WxDgDQ1u5NfdqxJ7sarh Wu0eAiP8B7OJObr2rrMcm0oP0Db/Cz92SqZBgLJOfguYvwiArehmIgYKu+eoebJtM8KF 2UMgJdUB89JyBTKQksZR9y7ny/Aq38A4gDoJOlGp0KIuHRUSu6Ishb6jph3WPoZrNI52 UTj+pPVo5Xgen84/bQ2AEwC8jz81s8MqNy8VupvnboFXWyGktEDjELnk71lXBTWYW7Xs vM+UkHB+ghOQu2+VjjYwDl+7XSXwn+7RPV/uF5wuZ4M0Wuoa5yJklubT9euLrRXIU8Ap fgVA== X-Gm-Message-State: APjAAAV8/vNsW+bpV6QhklQ6GxJ1tr1vlmhFn6SSIV03n8e00WiCBWVw mKSb+/P3Cw1MA909Moyb7Kc= X-Google-Smtp-Source: APXvYqyG4EQRdcZnPtOacNPj+2wtZVQmew6gNw/unYbzGH39NbH2j7vfVUco9+sdZYdF9zjlSBVZJg== X-Received: by 2002:a05:651c:1b9:: with SMTP id c25mr10299063ljn.163.1570838847064; Fri, 11 Oct 2019 17:07:27 -0700 (PDT) Received: from octofox.cadence.com (jcmvbkbc-1-pt.tunnel.tserv24.sto1.ipv6.he.net. [2001:470:27:1fa::2]) by smtp.gmail.com with ESMTPSA id x17sm2215705lji.62.2019.10.11.17.07.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2019 17:07:25 -0700 (PDT) From: Max Filippov To: linux-xtensa@linux-xtensa.org, Al Viro Cc: Chris Zankel , linux-kernel@vger.kernel.org, Max Filippov Subject: [PATCH 0/3] xtensa: fix {get,put}_user() for 64bit values Date: Fri, 11 Oct 2019 17:07:08 -0700 Message-Id: <20191012000711.3775-1-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, this series fixes return value, out-of-bound stack access and value truncation in xtensa implementation of {get,put}_user() for 64bit values. It also cleans up naming of assembly parameters in __{get,put}_user_asm and __check_align_{1,2,4}. Al Viro (1): xtensa: fix {get,put}_user() for 64bit values Max Filippov (2): xtensa: clean up assembly arguments in uaccess macros xtensa: fix type conversion in __get_user_[no]check arch/xtensa/include/asm/uaccess.h | 93 +++++++++++++++++-------------- 1 file changed, 52 insertions(+), 41 deletions(-) -- 2.20.1