linux-kernel - Re: [mm -next] mapping->tree_lock inconsistent lock state

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20160203190111.GE20326@kvack.org>
Date:	Wed, 3 Feb 2016 14:01:11 -0500
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...nel.org>,
	Vladimir Davydov <vdavydov@...tuozzo.com>,
	Vlastimil Babka <vbabka@...e.cz>, cgroups@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [mm -next] mapping->tree_lock inconsistent lock state

On Wed, Feb 03, 2016 at 01:45:09PM -0500, Johannes Weiner wrote:
> On Thu, Feb 04, 2016 at 12:36:33AM +0900, Sergey Senozhatsky wrote:
> > Hello,
> > 
> > next-20160203
> > 
> > [ 3587.997451] =================================
> > [ 3587.997453] [ INFO: inconsistent lock state ]
> > [ 3587.997456] 4.5.0-rc2-next-20160203-dbg-00007-g37a0a9d-dirty #377 Not tainted
> > [ 3587.997457] ---------------------------------
> > [ 3587.997459] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
> 
> Thanks Sergey. Vladimir sent a patch to move mem_cgroup_migrate() out
> of the IRQ-disabled section:
> 
> http://marc.info/?l=linux-mm&m=145452460721208&w=2
> 
> It looks like Vladimir's original message didn't make it to linux-mm,
> only my reply to it; CC Ben LaHaise.

There's not much I can do when Google decides to filter it.

		-ben
-- 
"Thought is the essence of where you are now."