From: "Frank Denis \(Jedi/Sector One\)" <lkml@pureftpd.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.10-mm2: panic when munmap()ping the stack
Date: Wed, 12 Jan 2005 00:03:40 +0059 [thread overview]
Message-ID: <20050111230402.GA5839@c9x.org> (raw)
In-Reply-To: <1105401719.4153.2.camel@localhost>
On Mon, Jan 10, 2005 at 04:01:58PM -0800, Jeremy Fitzhardinge wrote:
> This program causes an instant panic for me:
> #include <sys/mman.h>
> int main(int argc, char **argv)
> {
> munmap((char *)(((unsigned long)&argc) & ~4095), 4096*2);
> return 0;
> }
> Plain 2.6.10 segfaults as expected; I haven't tried -mm1 to see what it
> does.
I get an instant reboot with 2.6.10-mm2 and 2.6.10-mm1 with one page.
2.6.10-rc3-mm1 just segfaults as expected.
--
Frank - my stupid blog: http://00f.net
prev parent reply other threads:[~2005-01-11 23:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-11 0:01 2.6.10-mm2: panic when munmap()ping the stack Jeremy Fitzhardinge
2005-01-11 2:34 ` Jeremy Fitzhardinge
2005-01-11 3:26 ` William Lee Irwin III
2005-01-11 3:57 ` Andrew Morton
2005-01-11 5:19 ` Andi Kleen
2005-01-11 23:04 ` Frank Denis (Jedi/Sector One) [this message]
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