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Message-ID: <20150507093751.GA18746@cachalot>
Date: Thu, 7 May 2015 12:37:51 +0300
From: Vasily Kulikov <segoon@...nwall.com>
To: Solar Designer <solar@...nwall.com>
Cc: Wen Xu <hotdog3645@...il.com>, oss-security@...ts.openwall.com,
kernel-hardening@...ts.openwall.com
Subject: Re: Linux kernel pointer poisoning (was: CVE request for a fixed bug
existed in all versions of linux kernel from KeenTeam)
On Thu, May 07, 2015 at 12:36 +0300, Vasily Kulikov wrote:
> b) how to check for an insane POISON_POINTER() arg in case of
> TIMER_ENTRY_STATIC (and such)? The current implementation of
> POISON_POINTER() fails as following:
>
> mm/page_alloc.c: In function 'free_pages_prepare':
> mm/page_alloc.c:840:23: error: call to '__compiletime_assert_840' declared with attribute error: BUILD_BUG_ON failed: 0x0111400 >= POISON_AREA_SIZE
Sorry, I've copied a wrong error message. The right one is as
following:
kernel/irq/spurious.c:23:8: error: braced-group within expression allowed only inside a function
--
Vasily Kulikov
http://www.openwall.com - bringing security into open computing environments
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