From: Andrea Arcangeli <andrea@novell.com>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Calling syscalls from x86-64 kernel results in a crash on Opteron machines
Date: Mon, 13 Sep 2004 22:08:58 +0200 [thread overview]
Message-ID: <20040913200858.GF4180@dualathlon.random> (raw)
In-Reply-To: <20040913094148.45509d9c@dell_ss3.pdx.osdl.net>
On Mon, Sep 13, 2004 at 09:41:48AM -0700, Stephen Hemminger wrote:
> Actually, the fact that system calls work in kernel space I would consider
> a BUG. The int 0x80 handler should oops or at least kill the offending
> thread for security and robustness reasons.
kernel_thread is using int 0x80 in x86, and yes, that should better
implemented without it (like we did in x86-64).
next prev parent reply other threads:[~2004-09-13 20:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-13 14:04 Calling syscalls from x86-64 kernel results in a crash on Opteron machines Constantine Gavrilov
2004-09-13 14:38 ` Christoph Hellwig
2004-09-13 15:05 ` Constantine Gavrilov
2004-09-13 16:17 ` Andrea Arcangeli
2004-09-13 16:41 ` Stephen Hemminger
2004-09-13 20:08 ` Andrea Arcangeli [this message]
2004-09-13 16:42 ` Greg KH
2004-09-13 17:21 ` Brian Gerst
2004-09-14 2:04 ` William Lee Irwin III
2004-09-13 14:44 ` Arnd Bergmann
2004-09-13 15:18 ` Constantine Gavrilov
2004-09-13 19:39 ` H. Peter Anvin
2004-09-13 15:00 ` Brian Gerst
2004-09-13 15:26 ` Constantine Gavrilov
[not found] <2DZQy-7TB-7@gated-at.bofh.it>
2004-09-13 14:31 ` Andi Kleen
2004-09-13 15:28 ` Constantine Gavrilov
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