archive mirror
 help / color / mirror / Atom feed
From: "Frank Denis \(Jedi/Sector One\)" <>
To: Jeremy Fitzhardinge <>
Cc: Andrew Morton <>,
	linux-kernel <>
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: <> (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:

      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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).