From: Benjamin LaHaise <bcrl@redhat.com>
To: David Chandler <chandler@grammatech.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Bug Report: Dereferencing a bad pointer
Date: Wed, 7 Nov 2001 18:40:18 -0500 [thread overview]
Message-ID: <20011107184018.A6483@redhat.com> (raw)
In-Reply-To: <3BE9C261.D7422143@grammatech.com>
In-Reply-To: <3BE9C261.D7422143@grammatech.com>; from chandler@grammatech.com on Wed, Nov 07, 2001 at 06:23:13PM -0500
On Wed, Nov 07, 2001 at 06:23:13PM -0500, David Chandler wrote:
> The following one-line C program, when compiled by gcc 2.96 without
> optimization, should produce a SIGSEGV segmentation fault (on a machine
> with 3 or less gigabytes of virtual memory, at least):
>
> int main() { int k = *(int *)0xc0000000; }
>
> However, it does not do so under 2.4.x -- it does cause a seg fault
> under
> 2.2.x kernels.
Works here running 2.4.13-ac8+bits. Are you sure you didn't compile with
optimization enabled?
-ben
next prev parent reply other threads:[~2001-11-07 23:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-07 23:23 Bug Report: Dereferencing a bad pointer David Chandler
2001-11-07 23:40 ` Benjamin LaHaise [this message]
2001-11-08 15:29 ` David Chandler
2001-11-08 16:02 ` Richard B. Johnson
2001-11-08 17:17 ` David Chandler
2001-11-08 21:32 ` Richard B. Johnson
2001-11-08 21:57 ` David Chandler
2001-11-08 22:39 ` Brian Gerst
2001-11-08 23:15 ` David Chandler
2001-11-09 13:33 ` Richard B. Johnson
2001-11-08 17:53 ` Tahar
2001-11-08 16:27 ` Benjamin LaHaise
2001-11-08 18:02 ` Alan Cox
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