From: Keith Owens <kaos@ocs.com.au>
To: Rick Hohensee <humbubba@smarty.smart.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Incorrectness for fun and profit
Date: Fri, 10 Nov 2000 08:44:16 +1100 [thread overview]
Message-ID: <10589.973806256@ocs3.ocs-net> (raw)
In-Reply-To: Your message of "Thu, 09 Nov 2000 12:15:19 CDT." <200011091715.MAA24229@smarty.smart.net>
On Thu, 9 Nov 100 12:15:19 -0500 (EST),
Rick Hohensee <humbubba@smarty.smart.net> wrote:
>built the [2.4] kernel I'm using at the
>moment with gcc 2.7.2.3. I'm looking for "subtle run time bugs". OK, I'm
>desparate for entertainment. That's a given. Where should I look?
2.4.0-test10 kernel/module.c
static struct module kernel_module =
{
size_of_struct: sizeof(struct module),
name: "",
uc: {ATOMIC_INIT(1)},
flags: MOD_RUNNING,
syms: __start___ksymtab,
ex_table_start: __start___ex_table,
ex_table_end: __stop___ex_table
gcc 2.7.2.3 miscompiles structures that have internal labeled structure
initializers. uc gets misaligned, ex_table_start is then misaligned
and the exception table handling fails.
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prev parent reply other threads:[~2000-11-09 21:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-09 17:15 Incorrectness for fun and profit Rick Hohensee
2000-11-09 21:44 ` Keith Owens [this message]
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