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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: SECCOMP support
Date: Sat, 25 Sep 2010 19:58:05 +0100	[thread overview]
Message-ID: <20100925185805.GB3044@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.1009251220420.13233@xanadu.home>

On Sat, Sep 25, 2010 at 12:31:07PM -0400, Nicolas Pitre wrote:
> Well, for one thing, the syscall tracing has the ability to change the 
> actual syscall number.  So this looked like a possible hole that could 
> somehow be exploited to escape the seccomp control.  So I went with the 
> safest way.

That is also true for x86 - the seccomp test on x86 is done first,
before the syscall entry trap.

  reply	other threads:[~2010-09-25 18:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 21:11 [PATCH] ARM: SECCOMP support Nicolas Pitre
2010-09-25 11:34 ` Russell King - ARM Linux
2010-09-25 16:31   ` Nicolas Pitre
2010-09-25 18:58     ` Russell King - ARM Linux [this message]
2010-09-25 19:46       ` Nicolas Pitre

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