From patchwork Sat Jun 8 13:57:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Goldstein X-Patchwork-Id: 10983189 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4099C13AD for ; Sat, 8 Jun 2019 13:57:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29D2F204FE for ; Sat, 8 Jun 2019 13:57:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1BF3128414; Sat, 8 Jun 2019 13:57:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B979D204FE for ; Sat, 8 Jun 2019 13:57:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727049AbfFHN50 (ORCPT ); Sat, 8 Jun 2019 09:57:26 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:39343 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726227AbfFHN50 (ORCPT ); Sat, 8 Jun 2019 09:57:26 -0400 Received: by mail-wm1-f68.google.com with SMTP id z23so4351053wma.4; Sat, 08 Jun 2019 06:57:24 -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; bh=DYLjIhzRxK+XxIrU946vdp+6Nek5FSAXbzyqK9hH/Bg=; b=NKNAD2d1OGJ3qcYwCl5xqWDAqNFvYpYYi6JR6NvrmcSL4JpcIBCH4YXXpouAZXTUCR L4tdasmMVkyuESeVo4qBiFgyrHNlGhr9w+zOTOMmJ5rJ1PydFOcwjWASNWJAy6WEvzFY jauNy46nYjAiAwCojtoy1Z1pfZpe3F6td4+U9rXk/LjaliQfDUx89qSegODML0YoKebf AG3lHvTY587zWlyCQG0nzQGzVmndSpgnTuMbPipkfuPKaX0gjSggRG9RcE4NA3hjIUow ByTjl2gGBXpszCQCkSevCMBjr/6u2UuE5sRYQfOcvrdX4VwUVuqZvcrdouEBXt/sY64B 9eGg== 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=DYLjIhzRxK+XxIrU946vdp+6Nek5FSAXbzyqK9hH/Bg=; b=Isk4nOoHBWEfPdTKcJBk6MXPXj7Hc8I1KDzfZcZVDi4U4cY0YL4IbjQygMI0HjYkoE BCeW5WuIizJ2S5URGxAkFydgAvhEe/xbgwU4KEEKxd2byf5wxh7jQnX/QLul2UFme5HZ afC/u/ywFdPERr/wlclJEg3u+kz7sJByDgJRT4sMVeeSFbbIgLqUQ3vmvG0Z+t8sHQUl KdcP/yfsBTTTbdGMbYHMbNtbnH+P7ifHeC2nZuONLa14/elCGA4fOrs7yqj4IZL+UpXN xpmGpWvO/lcVOEUJgGc+hvNcz0pt8nhv0yQl/xweeBV5HaWq2FF7z+phTc2zzu+KVofe 7QuA== X-Gm-Message-State: APjAAAWXJQvKAo609RM8rRfcGeKqOCKmcOTFg7KYA9h+qg1QFJRjknt/ IOM61Yv3G5Mwl1cgJOIwHY1CrhSl X-Google-Smtp-Source: APXvYqwEHQCtm3iMua7PKb/EvjfTNLbW14ujz+6JS/BZY146AH+Gv4Kl4gnkqpantdZkVUyCruEjxw== X-Received: by 2002:a1c:ed0b:: with SMTP id l11mr6994354wmh.103.1560002244142; Sat, 08 Jun 2019 06:57:24 -0700 (PDT) Received: from localhost.localdomain ([5.102.238.208]) by smtp.gmail.com with ESMTPSA id j132sm9423463wmj.21.2019.06.08.06.57.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Jun 2019 06:57:23 -0700 (PDT) From: Amir Goldstein To: Miklos Szeredi Cc: "J . Bruce Fields" , Jeff Layton , Mimi Zohar , Al Viro , linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-integrity@vger.kernel.org Subject: [PATCH 0/2] Fix write leases on overlayfs Date: Sat, 8 Jun 2019 16:57:15 +0300 Message-Id: <20190608135717.8472-1-amir73il@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Miklos, This series fixes a v4.19 regression. It also provides correct semantics w.r.t RDONLY open counter that Bruce also needed for nfsd. I marked both patches for stable v4.19. I verified the changes using modified LTP fcntl tests [1], which I ran over xfs and overlayfs. Thanks, Amir. [1] https://github.com/amir73il/ltp/commits/overlayfs-devel Amir Goldstein (2): vfs: replace i_readcount with a biased i_count locks: eliminate false positive conflicts for write lease fs/locks.c | 26 ++++++++++++++---------- include/linux/fs.h | 33 +++++++++++++++++++------------ security/integrity/ima/ima_main.c | 2 +- 3 files changed, 37 insertions(+), 24 deletions(-)