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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 EF4A2C433F4 for ; Fri, 31 Aug 2018 00:41:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8382920839 for ; Fri, 31 Aug 2018 00:41:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8382920839 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727265AbeHaEqe (ORCPT ); Fri, 31 Aug 2018 00:46:34 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53256 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725849AbeHaEqd (ORCPT ); Fri, 31 Aug 2018 00:46:33 -0400 Received: from localhost (unknown [72.28.92.217]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 92614EC7; Fri, 31 Aug 2018 00:41:46 +0000 (UTC) Date: Thu, 30 Aug 2018 17:41:44 -0700 From: Greg Kroah-Hartman To: Daniel Rosenberg Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH] staging: android: ion: check for kref overflow Message-ID: <20180831004144.GC20664@kroah.com> References: <20180830230946.228701-1-drosen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180830230946.228701-1-drosen@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 30, 2018 at 04:09:46PM -0700, Daniel Rosenberg wrote: > This patch is against 4.9. It does not apply to master due to a large > rework of ion in 4.12 which removed the affected functions altogther. > 4c23cbff073f3b9b ("staging: android: ion: Remove import interface") > > Userspace can cause the kref to handles to increment > arbitrarily high. Ensure it does not overflow. > > Signed-off-by: Daniel Rosenberg > Signed-off-by: Greg Kroah-Hartman I signed off on this? Where? When? Are you sure? greg k-h