From: Manfred Spraul <manfred@colorfullife.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slab: redzone double-free detection
Date: Thu, 27 Apr 2006 20:46:18 +0200 [thread overview]
Message-ID: <4451117A.7040003@colorfullife.com> (raw)
In-Reply-To: <1146160076.11272.5.camel@localhost>
Pekka Enberg wrote:
>From: Pekka Enberg <penberg@cs.helsinki.fi>
>
>This patch adds double-free detection to redzone verification when freeing
>an object. As explained by Manfred, when we are freeing an object, both
>redzones should be RED_ACTIVE. However, if both are RED_INACTIVE, we are
>trying to free an object that was already free'd.
>
>Cc: Manfred Spraul <manfred@colorfullife.com>
>Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
>
>
Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
next prev parent reply other threads:[~2006-04-27 18:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-27 17:47 [PATCH] slab: redzone double-free detection Pekka Enberg
2006-04-27 18:46 ` Manfred Spraul [this message]
2006-04-27 22:39 ` Andrew Morton
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