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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 E07D3C43142 for ; Tue, 31 Jul 2018 01:37:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A081C20840 for ; Tue, 31 Jul 2018 01:37:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A081C20840 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731657AbeGaDP1 (ORCPT ); Mon, 30 Jul 2018 23:15:27 -0400 Received: from mail-yw0-f193.google.com ([209.85.161.193]:33841 "EHLO mail-yw0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726843AbeGaDP1 (ORCPT ); Mon, 30 Jul 2018 23:15:27 -0400 Received: by mail-yw0-f193.google.com with SMTP id j68-v6so5157355ywg.1 for ; Mon, 30 Jul 2018 18:37:41 -0700 (PDT) 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; bh=1zSy6rN01vLWst7hzSsQZDmaeeU7ekWlXFMRZKI0qBw=; b=TiY9NLM4CfukMJLaUB+NUGGmkmy2RnaQekX8vuZMjvBXKOewkurBdndHLHu5qezy4s OvqFKKhs43G1WIBvvZ3irWuHu4GeG3Modh5zrR0aG7w53zXgVl3+Z09GA2ka5BLmhHR8 A69N9CtycQCYezKwv2YslFu6eumGTqtO2bmN4KRNvwJnaV3MP5qh9hDS1XJXWN6PFcyN mBMqO5Eu/6uoIJwcMS3utL4BeS/CeyaUmQ5CRDVpnwuB3I9sZY3hOSTl8B7bqS62pDOT czh/904kDp/4bJ8iIh1rWo1iPiX81nMBm6ZwDpqODm4CoCOwkopmBrqBw4qz1tkF9RW4 61jA== X-Gm-Message-State: AOUpUlHFVOg9zjN1a+jBfqhOE9j5EQh87AxI/KUGc2O8SMsKY/KsPC+I KA6lALJw3VjHVxIeyv/KcN+S+g== X-Google-Smtp-Source: AAOMgpdF/DnMEp2TLdm4poEwkEyXA39y8Jk2HUhuS6SfMzI3GWScq5wSrfDUwgwiICga73lZiA/e4A== X-Received: by 2002:a0d:c744:: with SMTP id j65-v6mr10005168ywd.484.1533001061481; Mon, 30 Jul 2018 18:37:41 -0700 (PDT) Received: from builder.jcline.org ([2605:a601:80ce:4700:77a5:8983:ea8b:82ec]) by smtp.gmail.com with ESMTPSA id y133-v6sm13800287ywy.31.2018.07.30.18.37.40 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 30 Jul 2018 18:37:41 -0700 (PDT) From: Jeremy Cline To: Jan Kara Cc: linux-kernel@vger.kernel.org, Josh Poimboeuf , Jeremy Cline Subject: [PATCH 0/2] fs/quota: Fix potential spectre v1 gadgets Date: Tue, 31 Jul 2018 01:37:29 +0000 Message-Id: <20180731013731.1987-1-jcline@redhat.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi folks, This series unifies XQM_MAXQUOTAS with MAXQUOTAS, which were both being used to perform bounds checks on arrays, and then sanitizes 'type' so it can't be used in speculative out-of-bounds array access. Jeremy Cline (2): fs/quota: Replace XQM_MAXQUOTAS usage with MAXQUOTAS fs/quota: Fix spectre gadget in do_quotactl fs/quota/quota.c | 14 +++++++------- include/linux/quota.h | 8 +------- include/uapi/linux/dqblk_xfs.h | 5 ----- 3 files changed, 8 insertions(+), 19 deletions(-) -- 2.17.1