linux-kernel - Re: [PATCH] Fix crash during slab init

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: <90ceb287-c74e-404d-ab10-903a41ed7e6e@DB8EHSMHS010.ehs.local>
Date:	Wed, 8 May 2013 13:10:05 -0700
From:	Sören Brinkmann <soren.brinkmann@...inx.com>
To:	Chris Mason <clmason@...ionio.com>
CC:	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>
Subject: Re: [PATCH] Fix crash during slab init

On Wed, May 08, 2013 at 03:56:28PM -0400, Chris Mason wrote:
> Commit 8a965b3b introduced a regression that caused us to crash early
> during boot.  The commit was introducing ordering of slab creation,
> making sure two odd-sized slabs were created after specific powers of
> two sizes.
> 
> But, if any of the  power of two slabs were created earlier during boot,
> slabs at index 1 or 2 might not get created at all.  This patch makes
> sure none of the slabs get skipped.
> 
> Tony Lindgren bisected this down to the offending commit, which really
> helped because bisect kept bringing me to almost but not quite this one.
> 
> Signed-off-by: Chris Mason <chris.mason@...ionio.com>
> Acked-by: Christoph Lameter <cl@...ux.com>
> Acked-by: Tony Lindgren <tony@...mide.com>
Acked-by: Soren Brinkmann <soren.brinkmann@...inx.com>

Fixes things for me on Zynq, too.

	Sören


--
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/