linux-kernel - Re: [PATCH] slab: deal with NULL pointers passed to kmem_cache

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: <Pine.LNX.4.64.0703211342001.13029@sbz-30.cs.Helsinki.FI>
Date:	Wed, 21 Mar 2007 13:42:53 +0200 (EET)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <clameter@....com>
cc:	Andrew Morton <akpm@...ux-foundation.org>, mpm@...enic.com,
	"ast@...dv.de" <ast@...dv.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] slab: deal with NULL pointers passed to kmem_cache_free

On Tue, 20 Mar 2007, Christoph Lameter wrote:
> CONFIG_DEBUG_SLAB is there in order to handle these nasty and hard to 
> debug problems. Usually non-slab pages are not passed to kmem_cache_free.

Yeah, it's probably not a big deal for kmem_cache_free() but if we make 
the BUG_ON CONFIG_DEBUG_SLAB, kfree() loses it as well.

		Pekka
-
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/