linux-kernel - Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon

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: <20100409092111.GA998@a1.tnic>
Date:	Fri, 9 Apr 2010 11:21:11 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Nick Piggin <npiggin@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	sgunderson@...foot.com, hannes@...xchg.org
Subject: Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the
 anon_vmas of a mergeable VMA

From: Borislav Petkov <bp@...en8.de>
Date: Fri, Apr 09, 2010 at 03:30:12AM +0200

> > Maybe with all the patches flying around, you had a reject or something, 
> > and you lost that one anon_vma_prepare()?
> > 
> > Or maybe I screwed up somewhere and sent you the wrong patch. Here it is 
> > again, just in case.
> 
> Doesn't look like it - here's the diff between yours and what I have
> applied here (yep, only minor fuzz but no code differences) Also, I've
> added my version at the end:

So I went and reapplied the three patches (3rd is the object_err export
for SLUB debugging) on a new branch of today's git - same results, the
same processes crap up in the WARN(!vma->anon_vma) check so it should be
something else we're missing.

More code staring later...

-- 
Regards/Gruss,
Boris.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/