From: Andi Kleen <ak@suse.de>
To: discuss@x86-64.org
Cc: Ingo Molnar <mingo@elte.hu>,
torvalds@osdl.org, akpm@osdl.org, linux-kernel@vger.kernel.org,
Chuck Ebbert <76306.1226@compuserve.com>
Subject: Re: [discuss] Re: [PATCH for 2.6.18-rc2] [2/8] i386/x86-64: Don't randomize stack top when no randomization personality is set II
Date: Sun, 16 Jul 2006 23:33:21 +0200 [thread overview]
Message-ID: <200607162333.21640.ak@suse.de> (raw)
In-Reply-To: <20060716211126.GA2880@elte.hu>
> yeah. There's one security issue: the 'dont randomize' flag must be
> cleared when we cross a protection domain. When for example suid-ing in
> exec().
Just checked. It should be already done because ADDR_NO_RANDOMIZE
is in PER_CLEAR_ON_SETID which is cleared in exec.
-Andi
prev parent reply other threads:[~2006-07-16 21:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-16 12:22 [PATCH for 2.6.18-rc2] [2/8] i386/x86-64: Don't randomize stack top when no randomization personality is set Andi Kleen
2006-07-16 20:47 ` Ingo Molnar
2006-07-16 21:14 ` Andi Kleen
2006-07-16 21:11 ` Ingo Molnar
2006-07-16 21:27 ` Andi Kleen
2006-07-16 21:33 ` Andi Kleen [this message]
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