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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH autolearn=unavailable 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 C4D37C282E1 for ; Thu, 23 May 2019 20:49:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9162A2075B for ; Thu, 23 May 2019 20:49:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=android.com header.i=@android.com header.b="aKawysc0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731600AbfEWUt3 (ORCPT ); Thu, 23 May 2019 16:49:29 -0400 Received: from mail-pf1-f172.google.com ([209.85.210.172]:45388 "EHLO mail-pf1-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731462AbfEWUt3 (ORCPT ); Thu, 23 May 2019 16:49:29 -0400 Received: by mail-pf1-f172.google.com with SMTP id s11so3885260pfm.12 for ; Thu, 23 May 2019 13:49:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=android.com; s=20161025; h=to:from:subject:cc:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=BQAwLzyZHUTUA9C3I6GaYYp03v/RFuFPqVYAXDj/LaE=; b=aKawysc0V3G9cMZQs9o9HXnwZZG4jR8E0LAYted1+NjTq3GTsEvPNFXMDLsKCGfhLg DpKyBuoUNFmGK+7ATsRp+BLmC3U401yuvEaGgzpqekXN6TH0re2YAMpv/kdzHfX9dvRq tcwQ4skXKrRKlr8eKZapFsDEITLAMOOnu6XzOe9kv3+5JmCfSQj3kssU9wH2Mo6w44YL xCT95P/aAys0PXzQqXEdg9AR0383BpZHVhyMr4V9yi9JoF3QUyMju1ymrepiYnejGZcO /5dKjXa/MvGM3qf72OdyT5ZkzToG/l/ogbAyZMPGzNIa+kobEfk7YQgpTMPFimwz5bsG Re2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:cc:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=BQAwLzyZHUTUA9C3I6GaYYp03v/RFuFPqVYAXDj/LaE=; b=C0Fp6ubQL5Bn29SUUmy4LgM0AfOWHBeOVjAa094D7/muZbQbzHBsagWdOl9ebYwAcu ZgZvv8ZL3fCx2RHDmbzBBn3xaepWFMX+i5/eUaoWnR12fr6XmaLxsFKoRhOddf5m5gEB iQbaQ5g7KQb4duF3i4jCd8j85ueBvjf6pFdj0nh9+RBoVN3isDI+jxiuy2DIiSOkFiJ8 7zgRrJ8LjCUT0mNi1B9K4TRio59NV1QOYBbnzhz/MdVi/DRfD4JXdWswyWZ/66zd9W0q W/NKVxqt9Csttp3jlTKkKImAE2APHnc7T+UPdcakn6cXpCpX7Y0jKGaMHWYsyQQSsgqk J1PA== X-Gm-Message-State: APjAAAVifIxgE9np8oiEzHgKTpNcIzizNr8ZGP8gOnmTt86Na2l/bZty eq7fU5Vge/xePDrXhhdZoHLw3XCy3G1g4g== X-Google-Smtp-Source: APXvYqw5Pck4d1+xCnVCIAOEFNCMYuRkWYzl/96/Hj2JFfsn1S6gWQ4S5fh3P8WJVWvq0lx9Zys4qg== X-Received: by 2002:a65:530d:: with SMTP id m13mr5564193pgq.68.1558644568127; Thu, 23 May 2019 13:49:28 -0700 (PDT) Received: from nebulus.mtv.corp.google.com ([2620:0:1000:1612:b4fb:6752:f21f:3502]) by smtp.googlemail.com with ESMTPSA id j97sm210977pje.5.2019.05.23.13.49.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 May 2019 13:49:27 -0700 (PDT) To: stable From: Mark Salyzyn Subject: Please cherrypick 592acbf1682128 to 3.18.y and 4.4.y Cc: LKML Message-ID: <6f545e7c-fda8-4bec-33fc-283ebf492372@android.com> Date: Thu, 23 May 2019 13:49:27 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-GB Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cherry pick security-related fix 592acbf16821288ecdc4192c47e3774a4c48bb64 ("ext4: zero out the unused memory region in the extent tree block") to 3.18.y and 4.4.y The cherry-pick is clean and requires no back-porting. Is already present in 4.9.y+ Signed-off-by: Mark Salyzyn To: stable # 3.18.y 4.4.y Cc: LKML