From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-btrfs-owner@vger.kernel.org>
Received: from mx2.suse.de ([195.135.220.15]:33915 "EHLO mx2.suse.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1752006AbdK1ODT (ORCPT <rfc822;linux-btrfs@vger.kernel.org>);
        Tue, 28 Nov 2017 09:03:19 -0500
Date: Tue, 28 Nov 2017 15:01:20 +0100
From: David Sterba <dsterba@suse.cz>
To: Adam Borowski <kilobyte@angband.pl>
Cc: Qu Wenruo <quwenruo.btrfs@gmx.com>, linux-btrfs@vger.kernel.org
Subject: Re: splat on 4.15-rc1: invalid ram_bytes for uncompressed inline
 extent
Message-ID: <20171128140120.GO3553@suse.cz>
Reply-To: dsterba@suse.cz
References: <20171127132349.cm7c3mgegbqhlnrm@angband.pl>
 <20171127142244.GZ3553@twin.jikos.cz>
 <bba97ff7-b08f-19d2-b980-f92443691c18@gmx.com>
 <20171128011615.sdxutxckz67sftqm@angband.pl>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
In-Reply-To: <20171128011615.sdxutxckz67sftqm@angband.pl>
Sender: linux-btrfs-owner@vger.kernel.org
List-ID: <linux-btrfs.vger.kernel.org>

On Tue, Nov 28, 2017 at 02:16:15AM +0100, Adam Borowski wrote:
> On Tue, Nov 28, 2017 at 08:51:07AM +0800, Qu Wenruo wrote:
> > On 2017年11月27日 22:22, David Sterba wrote:
> > > On Mon, Nov 27, 2017 at 02:23:49PM +0100, Adam Borowski wrote:
> > >> On 4.15-rc1, I get the following failure:
> > >>
> > >> BTRFS critical (device sda1): corrupt leaf: root=1 block=3820662898688
> > >> slot=43 ino=35691 file_offset=0, invalid ram_bytes for uncompressed inline
> > >> extent, have 134 expect 281474976710677
> > > 
> > > By a quick look at suspiciously large number
> > > 
> > > hex(281474976710677) = 0x1000000000015
> > > 
> > > may be a bitflip, but 0x15 does not match 134, so there could be
> > > something else involved in the corruption.
> > 
> > That's a known bug, fixed by that patch which is not merged yet.
> > 
> > https://patchwork.kernel.org/patch/10047489/
> 
> This helped, thanks!

Patch is going to 4.15-rc2.