From: Richard Henderson <rth@twiddle.net>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: Brian Gerst <bgerst@didntduck.org>,
Petr Vandrovec <VANDROVE@vc.cvut.cz>, dvorak <dvorak@xs4all.nl>,
linux-kernel@vger.kernel.org
Subject: Re: Syscall changes registers beyond %eax, on linux-i386
Date: Thu, 19 Sep 2002 12:41:17 -0700 [thread overview]
Message-ID: <20020919124117.A22720@twiddle.net> (raw)
In-Reply-To: <Pine.LNX.3.95.1020919152301.15882B-100000@chaos.analogic.com>; from root@chaos.analogic.com on Thu, Sep 19, 2002 at 03:40:52PM -0400
On Thu, Sep 19, 2002 at 03:40:52PM -0400, Richard B. Johnson wrote:
> Well it's not modifying those values.
It's not modifying "a", true, but it _is_ modifying the parameter
area. Which is exactly the kernel bug in question.
> It's really bad code because it could have done:
>
> incl $0x04(%esp)
> incl $0x08(%esp)
> incl $0x1c(%esp)
> jmp bar
Yes, I know.
r~
next prev parent reply other threads:[~2002-09-19 19:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-19 17:44 Syscall changes registers beyond %eax, on linux-i386 Petr Vandrovec
2002-09-19 18:04 ` Brian Gerst
2002-09-19 18:30 ` Richard Henderson
2002-09-19 18:51 ` Brian Gerst
2002-09-19 18:57 ` Richard Henderson
2002-09-19 19:40 ` Richard B. Johnson
2002-09-19 19:41 ` Richard Henderson [this message]
2002-09-19 19:53 ` Richard B. Johnson
2002-09-19 22:46 ` J.A. Magallon
2002-09-20 12:27 ` Richard B. Johnson
2002-09-20 17:16 ` Richard Henderson
2002-09-22 1:33 ` Pavel Machek
2002-09-23 13:11 ` Richard B. Johnson
2002-09-23 18:31 ` Pavel Machek
2002-09-19 19:18 ` Richard B. Johnson
2002-09-19 19:24 ` Daniel Jacobowitz
2002-09-19 20:25 ` Mikael Pettersson
2002-09-20 8:32 ` george anzinger
2002-09-21 6:19 ` Richard Henderson
2002-09-21 8:09 ` george anzinger
2002-09-21 15:08 ` Richard Henderson
2002-09-24 18:02 ` CHECKER bate: " george anzinger
-- strict thread matches above, loose matches on Subject: below --
2002-09-19 14:45 dvorak
2002-09-19 16:11 ` Richard B. Johnson
2002-09-19 17:09 ` Brian Gerst
2002-09-19 17:22 ` Richard B. Johnson
2002-09-19 17:51 ` Brian Gerst
2002-09-19 18:30 ` Richard B. Johnson
2002-09-19 17:59 ` dvorak
2002-09-19 18:32 ` Richard B. Johnson
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