linux-kernel - Re: [btrfs_mount] general protection fault: 0000 [#1] SMP

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Message-ID: <20171130043009.qoetvxeokkbqyvsx@wfg-t540p.sh.intel.com>
Date:   Thu, 30 Nov 2017 12:30:09 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Nick Terrell <terrelln@...com>,
        "linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
        Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
        David Sterba <dsterba@...e.com>, Jeff Mahoney <jeffm@...e.com>,
        David Howells <dhowells@...hat.com>,
        Liu Bo <bo.li.liu@...cle.com>, Petr Mladek <pmladek@...e.com>,
        Hans van Kranenburg <hans.van.kranenburg@...dix.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "lkp@...org" <lkp@...org>
Subject: Re: [btrfs_mount] general protection fault: 0000 [#1] SMP

On Wed, Nov 29, 2017 at 06:44:43PM -0800, Linus Torvalds wrote:
>On Wed, Nov 29, 2017 at 6:38 PM, Nick Terrell <terrelln@...com> wrote:
>>
>> The stack trace looks like the bug fixed by
>>
>> Qu Wenruo:
>>     btrfs: Fix wild memory access in compression level parser [1]
>>
>> That fix looks to be included in the pull request for 4.15-rc2 [2].
>
>Which got merged earlier today. So maybe instead of a bisection, just
>test the current git tree?

Sure. The 1 hour tests finished on your latest merge and the error
no long shows up there.

Regards,
Fengguang