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[209.132.180.67]) by mx.google.com with ESMTP id o63si1006082pgo.453.2019.05.23.13.51.59; Thu, 23 May 2019 13:52:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@android.com header.s=20161025 header.b=aKawysc0; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=android.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731579AbfEWUt3 (ORCPT + 99 others); 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-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