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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D6546C47089 for ; Thu, 27 May 2021 17:46:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ADEF26052B for ; Thu, 27 May 2021 17:46:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229740AbhE0Rrk (ORCPT ); Thu, 27 May 2021 13:47:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229739AbhE0Rrj (ORCPT ); Thu, 27 May 2021 13:47:39 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0441C061574 for ; Thu, 27 May 2021 10:46:05 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id j14so714188wrq.5 for ; Thu, 27 May 2021 10:46:05 -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=MqJKmbvMu5CZAUap6srgF/VVQp9CGlbwF7EYmpey22w=; b=TUQ/bYqSa6XSTpzmMUzVr6YjmFuNbcAO/getScIw5Ro0SzSZafZHZYkD3zDI1zsEyH Gc29sgjQL24ZeNvX1xqv+ChFi+pgbyrl1+5IwbdCO/VpEsslrzO+M0TC4uvWmBbuSNvm IV0eO1apCNJUNtSDlMZ6OYwi83RWz/REugwcHqBUOc+5iYCZdIkFbguZtVED/+UZdJgu nEAikTS9tZRw1H3btKZA4NlzjkSYZGAsjfAKnX3AS3MRD8ERjOG4xAx8smbOfQVG//gN 0y9sVrlzZ83lh4oq2vA9BxETFxIQfOB3gbyOUY3Te/WzATNeXMUYrz/KnUFUbt5DHH/e QxrQ== 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=MqJKmbvMu5CZAUap6srgF/VVQp9CGlbwF7EYmpey22w=; b=JrQdrjRXAlvfx8LRQmFFqLlB0pAg+ldus0oQsLGCsOvSCH0EZOAd9GgwbNs4YLKXyo 9PmLhilCzp4R5H7mNSh5dxM/bUzG3oVKhCUZP5Bt5DJRr3qBY4g6w4If+5R+WyUQepPG rWMiqekzjOGPrFdJwn/kfuvqvZlGN2Ybw9cN8BAqNBe8xDFkGdFbT5KnKzbCZ/bPW1U6 VWFi0evLtfw+qkJhAe8zQTw11FYFWOsUQiwe0FLOHBbMKCJ5gy9oDBnYayF6haYGUA+S x/AV0LVksHxKvirfAtxPDQv1iTHQ1+tK4XCFw6QMOYy5zQvwJLyO1sE3LsP6J29UF6zg aTWA== X-Gm-Message-State: AOAM532O/KjOeS3M6DChzEq7mNFLXJ8/Dz2gVDx4F2l4izHAaYS+K+ZZ j2hiRdMoRGuxiy5fZXmkr1k= X-Google-Smtp-Source: ABdhPJxVV7UJJp/f72Y/3sJl3hICtrKrvlK+KLKareaf50yFjNu89+INprit+VZznPpYgM2IaKkOZw== X-Received: by 2002:a5d:59ae:: with SMTP id p14mr4656710wrr.214.1622137563671; Thu, 27 May 2021 10:46:03 -0700 (PDT) Received: from uvv-2004-vm.localdomain (dslb-002-205-242-053.002.205.pools.vodafone-ip.de. [2.205.242.53]) by smtp.gmail.com with ESMTPSA id f7sm4999837wrg.34.2021.05.27.10.46.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 May 2021 10:46:03 -0700 (PDT) From: Vyacheslav Yurkov To: Miklos Szeredi , Amir Goldstein Cc: linux-unionfs@vger.kernel.org, Vyacheslav Yurkov Subject: [PATCH v3 1/3] ovl: disable decoding null uuid with redirect dir Date: Thu, 27 May 2021 19:45:45 +0200 Message-Id: <20210527174547.109269-1-uvv.mail@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org From: Vyacheslav Yurkov Currently decoding origin with lower null uuid is not allowed unless user opted-in to one of the new features that require following the lower inode of non-dir upper (index, xino, metacopy). Now we add redirect_dir too to that feature list. Signed-off-by: Vyacheslav Yurkov --- fs/overlayfs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index b01d4147520d..97ea35fdd933 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1600,7 +1600,7 @@ static bool ovl_lower_uuid_ok(struct ovl_fs *ofs, const uuid_t *uuid) * lower inode of non-dir upper. */ if (!ofs->config.index && !ofs->config.metacopy && - ofs->config.xino != OVL_XINO_ON && + !ofs->config.redirect_dir && ofs->config.xino != OVL_XINO_ON && uuid_is_null(uuid)) return false; -- 2.25.1