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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 9EA50C6377A for ; Thu, 22 Jul 2021 02:52:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D50A6023F for ; Thu, 22 Jul 2021 02:52:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230346AbhGVCMK (ORCPT ); Wed, 21 Jul 2021 22:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230093AbhGVCMJ (ORCPT ); Wed, 21 Jul 2021 22:12:09 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32A6EC061575; Wed, 21 Jul 2021 19:52:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=4agLquFvdJA5wVNZMiRpUkTBkKpTqhUIbJSXnN2uvmM=; b=F3sr48uJgrUvHj7sY1aKavnpXT wqXE6VCnW++nuLXrh0DeAldWfUHCota0ODDhvgHnJaLuqxN8Pa29b5SXyl1/PlMbPtGw7Oum2BFr3 N0M/eBvkbsBvJKgnumt9fCCWH92qLI0MegGsHf2sI6ab3eNuYB1qN7ApA7EFX3x3YOvIMPJMMr0hk qGTIh933EbI/p22OVM4WM3V+I9hi0+oq57XKeuNY2576FaOg/6ahGCYYIiwKkKgJYZi+svXGtv4im /fRx3+fu26w64pQzcY+95aJ0kCY3AcvlOUn3wGlatXhEPebbAvwmGMbWtHi3jNCeq+mP7f2pru1rt 6/LN/VYg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m6Ooe-009ovT-Ge; Thu, 22 Jul 2021 02:52:14 +0000 Date: Thu, 22 Jul 2021 03:52:04 +0100 From: Matthew Wilcox To: butt3rflyh4ck Cc: LKML , linux-fsdevel@vger.kernel.org, syzkaller-bugs , djwong@kernel.org Subject: Re: A shift-out-of-bounds in minix_statfs in fs/minix/inode.c Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, Jul 22, 2021 at 10:43:10AM +0800, butt3rflyh4ck wrote: > On Thu, Jul 22, 2021 at 1:37 AM Matthew Wilcox wrote: > >That's not something we're > > traditionally interested in, unless the filesystem is one customarily > > used for data interchange (like FAT or iso9660). > > These file systems are my fuzzing targets. You're not the first. https://lore.kernel.org/linux-fsdevel/6A96C62E-1D01-44AD-B2C5-7A2258BADC0D@schumilo.de/T/#u