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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 59BECC433E0 for ; Thu, 30 Jul 2020 13:48:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39E2F21744 for ; Thu, 30 Jul 2020 13:48:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596116895; bh=0kikEbDUa3zExFt1IkWDJPeAJvE9LXEN/m7Ii0rJrs4=; h=Date:From:To:To:To:Cc:Cc:Cc:Subject:In-Reply-To:References: List-ID:From; b=DM39U7A7kUAleo6yHYAGVcEHftYDgmtKOlcmaEnmzxZ8u2XUcJV+utbacIW39EwOh 3EujlZT61Rh7OHgNfw30twJyCvbeSYopMNwSgXx/1yBwv0NzEOR5cPmdYyrrHCJHiu q/zUbVDnp84Jpiky18LRlqB1y+QVhGllmH0+4A6w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728462AbgG3NsO (ORCPT ); Thu, 30 Jul 2020 09:48:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:33248 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726281AbgG3NsM (ORCPT ); Thu, 30 Jul 2020 09:48:12 -0400 Received: from localhost (unknown [70.37.104.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 39D1621744; Thu, 30 Jul 2020 13:48:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596116891; bh=0kikEbDUa3zExFt1IkWDJPeAJvE9LXEN/m7Ii0rJrs4=; h=Date:From:To:To:To:Cc:Cc:Cc:Subject:In-Reply-To:References:From; b=tjRcle+EOf6BBHSl06uPu5RwE2q2RuB+6HF5KYnOPfToGy0r63WxcpcZLYYQhgDLB a7Ywq0M1Th9cY/t4k5ikZ3gSwluIkz874nc+qZK3BkJVr55ZQeYFKpfUkmp2QfKLdQ QDU+SEfeATKG40R+BfYlCmGxK+B2UQJOYv2d1ArU= Date: Thu, 30 Jul 2020 13:48:10 +0000 From: Sasha Levin To: Sasha Levin To: Jann Horn To: Greg Kroah-Hartman Cc: devel@driverdev.osuosl.org, Mattias Nissler Cc: stable@vger.kernel.org Cc: stable@vger.kernel.org Subject: Re: [PATCH v2] binder: Prevent context manager from incrementing ref 0 In-Reply-To: <20200727120424.1627555-1-jannh@google.com> References: <20200727120424.1627555-1-jannh@google.com> Message-Id: <20200730134811.39D1621744@mail.kernel.org> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi [This is an automated email] This commit has been processed because it contains a "Fixes:" tag fixing commit: 457b9a6f09f0 ("Staging: android: add binder driver"). The bot has tested the following trees: v5.7.11, v5.4.54, v4.19.135, v4.14.190, v4.9.231, v4.4.231. v5.7.11: Build OK! v5.4.54: Build OK! v4.19.135: Build OK! v4.14.190: Build OK! v4.9.231: Failed to apply! Possible dependencies: 14db31814a9a ("binder: Deal with contexts in debugfs") 19c987241ca1 ("binder: separate out binder_alloc functions") 1b77e9dcc3da ("ANDROID: binder: remove proc waitqueue") 342e5c90b601 ("binder: Support multiple context managers") 408c68b17aea ("ANDROID: binder: push new transactions to waiting threads.") 4bfac80af3a6 ("binder: Add extra size to allocator") 512cf465ee01 ("binder: fix use-after-free in binder_transaction()") 7980240b6d63 ("binder: Add support for scatter-gather") 9630fe8839ba ("binder: introduce locking helper functions") a056af42032e ("binder: Refactor binder_transact()") ac4812c5ffbb ("binder: Support multiple /dev instances") def95c73567d ("binder: Add support for file-descriptor arrays") fdfb4a99b6ab ("binder: separate binder allocator structure from binder proc") feba3900cabb ("binder: Split flat_binder_object") v4.4.231: Failed to apply! Possible dependencies: 14db31814a9a ("binder: Deal with contexts in debugfs") 19c987241ca1 ("binder: separate out binder_alloc functions") 1b77e9dcc3da ("ANDROID: binder: remove proc waitqueue") 212265e5ad72 ("android: binder: More offset validation") 342e5c90b601 ("binder: Support multiple context managers") 408c68b17aea ("ANDROID: binder: push new transactions to waiting threads.") 4bfac80af3a6 ("binder: Add extra size to allocator") 512cf465ee01 ("binder: fix use-after-free in binder_transaction()") 7980240b6d63 ("binder: Add support for scatter-gather") 83050a4e2197 ("android: drivers: Avoid debugfs race in binder") 9630fe8839ba ("binder: introduce locking helper functions") a056af42032e ("binder: Refactor binder_transact()") a906d6931f3c ("android: binder: Sanity check at binder ioctl") ac4812c5ffbb ("binder: Support multiple /dev instances") def95c73567d ("binder: Add support for file-descriptor arrays") feba3900cabb ("binder: Split flat_binder_object") NOTE: The patch will not be queued to stable trees until it is upstream. How should we proceed with this patch? -- Thanks Sasha