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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 C5C7CC43387 for ; Tue, 8 Jan 2019 01:26:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A1FE20663 for ; Tue, 8 Jan 2019 01:26:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jT1WmdkM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727028AbfAHB0t (ORCPT ); Mon, 7 Jan 2019 20:26:49 -0500 Received: from mail-io1-f54.google.com ([209.85.166.54]:46211 "EHLO mail-io1-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726903AbfAHB0s (ORCPT ); Mon, 7 Jan 2019 20:26:48 -0500 Received: by mail-io1-f54.google.com with SMTP id v10so1894278ios.13 for ; Mon, 07 Jan 2019 17:26:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Ugpry2LNY7xcO+Z0JGr+deZ8vam5RMCyGxU/dAebrtU=; b=jT1WmdkMvxd6y+HDmQvG26bgwutGPROf7Gc0ZoNaK1Hrwu/JklN30xYxJHUe6Qxk6w V/BcDzzQrkqWecdO3o+F5syFMCmrqhHinFxZ/aLDzEPomWjdJm+pY2I60taTl1ATVLQc eiHFo6Gy5/T89VwmZZfjnObiUCzGrtHReDIn38XO++siowXNwJfIzsHbaJCV5VG0uvH7 Ma8xdUn5iJqIjYDhGjL5oJF5PYviB0jDj4K+zBURzf8Z9/5MhXMS/sOEYzvTsDj1836I vA+Im88vH6Dr/RqQNDBJ1MNMtT2w41ekWLjPNnqWzhejmgxsIEkVUmJqygqbVa/GYJbr g52w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Ugpry2LNY7xcO+Z0JGr+deZ8vam5RMCyGxU/dAebrtU=; b=fBnAwYARDFC2fpkMDoUN5PwGdxo5RP1x4fGe0wAF3nQ871UhMlOWauZNjQowIpcEjy 3ob0vWHCAeG4r7yEUeeUBEoWszwE9nTeqTkoQ82eaCifvcLVCUrd/Jc+W1FXqgCgEzmc FLVFzQjcngb3wEDtHNrkrwwUn3ReVgpiJMZ4WdDBS4cYE9YP49Aq06dX3aje5dyQCPaX A0oxpjS1RkmPqltQoTykCEWE8lMsLQGttykB14igWkQv5elZIHcEo+TgQcnST2ru45fj huQ8donLLKkVLgX3nZvnWzfUCouHfAMUw6IkSK0vimrdaEi8CgbEWJGQruEGO+00RNKp +C2w== X-Gm-Message-State: AJcUukdZZcH9iacXE3E4rz7J+nhmkFBrTVAMQsi9CaZrRnaFmgdvH0rL 8/APT90PVszwV+O1Wk1a+OgSKRy64s7wcFKg3geCBcMB X-Google-Smtp-Source: ALg8bN65KmNk7N7eh2EpQZcAcZSXEFQybaK3Ww+/wkWpbulN9JaOL4peIb4MOEfFI1mRnhirOKSXfCWXWIbZlKk4Uuw= X-Received: by 2002:a6b:7e04:: with SMTP id i4mr23129907iom.116.1546910808045; Mon, 07 Jan 2019 17:26:48 -0800 (PST) MIME-Version: 1.0 From: rishi gupta Date: Tue, 8 Jan 2019 06:56:37 +0530 Message-ID: Subject: OTA does not work with IMA due to xattr not supported by zip To: linux-integrity@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Hi Team, Android and android recovery based implementation for Linux, generates ota package which is a zipped archive. I observed that xattr gets dropped when creating zip archive and therefore after OTA system will not boot if IMA_APPRAISE_SIGNED_INIT is used. This essentially means that IMA may not be used in commercial products requiring OTA or I missed something or there is a workaround to such problem. https://source.android.com/devices/tech/ota/tools Regards, Rishi