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=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 E77ADC433DF for ; Tue, 7 Jul 2020 17:14:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C054C2075B for ; Tue, 7 Jul 2020 17:14:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594142060; bh=iK55vtVxUr8fQsUNFL2mhLYhthVXTFjjC+DeRhc38jM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=EH8C5S3nS9K2omwexgkIL67Qpv9YCoM/eynQit+gfd0bdGh5h8JZmhh3ruD6r8oIr NAtE9gg5gXhF+TsMvNoXKutx8+YjJymwmcpBjOtYlbublPbTxlx8zW6w5cydx9lhxq GS/gs7oo2wAaSXgVJ+NT7QRojI55Z0EDuqBAsn2Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728417AbgGGROP (ORCPT ); Tue, 7 Jul 2020 13:14:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:52792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727777AbgGGROP (ORCPT ); Tue, 7 Jul 2020 13:14:15 -0400 Received: from gmail.com (unknown [104.132.1.76]) (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 0C173206F6; Tue, 7 Jul 2020 17:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594142055; bh=iK55vtVxUr8fQsUNFL2mhLYhthVXTFjjC+DeRhc38jM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=zcQ8BDd9wJbSqIVVsZmGD3K6CXApHOCoLw0inkEEsIR8iQXaYYFTIBUS9AvQJWoGn BJZO73UVZTI7YFkGNYbrCChP8ah/wmj4P91Z4sr9NLHASNur1GBo9B/UlBDoSJnFq6 qTSsJq/EMpyOL/3yvhhEgzHUtlYt2MNJHXeWtoLA= Date: Tue, 7 Jul 2020 10:14:00 -0700 From: Eric Biggers To: Andrew Morton Cc: linux-fsdevel@vger.kernel.org, Alexander Viro , linux-kernel@vger.kernel.org, Qiujun Huang Subject: Re: [PATCH 0/6] fs/minix: fix syzbot bugs and set s_maxbytes Message-ID: <20200707171400.GA3372845@gmail.com> References: <20200628060846.682158-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200628060846.682158-1-ebiggers@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Sat, Jun 27, 2020 at 11:08:39PM -0700, Eric Biggers wrote: > This series fixes all syzbot bugs in the minix filesystem: > > KASAN: null-ptr-deref Write in get_block > KASAN: use-after-free Write in get_block > KASAN: use-after-free Read in get_block > WARNING in inc_nlink > KMSAN: uninit-value in get_block > WARNING in drop_nlink > > It also fixes the minix filesystem to set s_maxbytes correctly, so that > userspace sees the correct behavior when exceeding the max file size. > > Al or Andrew: one of you will need to take these patches, since no one > is maintaining this filesystem. > Andrew, any interest in taking these patches? - Eric