From: Andi Kleen <ak@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>, Andi Kleen <ak@suse.de>,
akpm@osdl.org, torvalds@osdl.org, linux-kernel@vger.kernel.org,
drepper@redhat.com
Subject: Re: [PROPOSAL/PATCH] Remove PT_GNU_STACK support before 2.6.11
Date: Sun, 6 Feb 2005 13:50:02 +0100 [thread overview]
Message-ID: <20050206125002.GF30109@wotan.suse.de> (raw)
In-Reply-To: <20050206124523.GA762@elte.hu>
> i.e. all mappings are executable (i.e. READ_IMPLIES_EXEC effect) - the
> intended change. (although i dont fully agree with PT_GNU_STACK being
> about something else than the stack, from a security POV if the stack is
> executable then all bets are off anyway. The heap and all mmaps being
> executable too in that case makes little difference.)
Well, that won't fix mono (and i suspect wine) and the others
who don't use trampolines that the compiler can detect.
And breaking programs silently definitely doesn't make them secure!
-Andi
next prev parent reply other threads:[~2005-02-06 12:50 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-06 11:36 [PROPOSAL/PATCH] Remove PT_GNU_STACK support before 2.6.11 Andi Kleen
2005-02-06 11:47 ` Arjan van de Ven
2005-02-06 12:02 ` Ingo Molnar
2005-02-06 12:25 ` Ingo Molnar
2005-02-06 12:36 ` Andi Kleen
2005-02-06 12:45 ` Ingo Molnar
2005-02-06 12:50 ` Andi Kleen [this message]
2005-02-06 12:59 ` Arjan van de Ven
2005-02-06 13:01 ` Andi Kleen
2005-02-06 13:04 ` Arjan van de Ven
2005-02-06 13:09 ` Andi Kleen
2005-02-06 13:31 ` Ingo Molnar
2005-02-06 13:43 ` Andi Kleen
2005-02-06 13:06 ` Christoph Hellwig
2005-02-06 13:11 ` Andi Kleen
2005-02-06 13:32 ` Ingo Molnar
2005-02-06 13:46 ` Andi Kleen
2005-02-06 14:08 ` Ingo Molnar
2005-02-06 14:22 ` Ingo Molnar
2005-02-06 14:29 ` Andi Kleen
2005-02-06 17:08 ` Linus Torvalds
2005-02-06 17:13 ` Arjan van de Ven
2005-02-06 17:31 ` Linus Torvalds
2005-02-06 17:39 ` Arjan van de Ven
2005-02-06 18:04 ` Linus Torvalds
2005-02-06 18:08 ` Arjan van de Ven
2005-02-06 17:56 ` Andi Kleen
2005-02-06 12:33 ` Andi Kleen
2005-02-06 12:40 ` Arjan van de Ven
2005-02-06 12:48 ` Andi Kleen
2005-02-06 15:54 ` Andreas Schwab
2005-02-06 17:05 ` Linus Torvalds
2005-02-06 17:58 ` Andi Kleen
2005-02-06 12:11 ` Paweł Sikora
[not found] ` <200502061303.12377.pluto@pld-linux.org>
[not found] ` <20050206124701.GD30109@wotan.suse.de>
2005-02-06 18:07 ` Paweł Sikora
2005-02-06 18:38 ` Andi Kleen
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