From: Chris Frey <cdfrey@netdirect.ca>
To: Mark Symonds <mark@symonds.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.23 hard lock, 100% reproducible.
Date: Sun, 7 Dec 2003 13:32:01 -0500 [thread overview]
Message-ID: <20031207133201.A4744@netdirect.ca> (raw)
In-Reply-To: <02a901c3bc7b$69294ee0$7a01a8c0@gandalf>; from mark@symonds.net on Sat, Dec 06, 2003 at 08:34:32PM -0800
On Sat, Dec 06, 2003 at 08:34:32PM -0800, Mark Symonds wrote:
> Other than that, nothing. Is there a patch out there
> that will simply make 2.4.22 secure? Things run great
> on that kernel.
Here's the relevant section from patch-2.4.23
- Chris
diff -urN linux-2.4.22/mm/mmap.c linux-2.4.23/mm/mmap.c
--- linux-2.4.22/mm/mmap.c 2003-06-13 07:51:39.000000000 -0700
+++ linux-2.4.23/mm/mmap.c 2003-11-28 10:26:21.000000000 -0800
@@ -1041,6 +1041,9 @@
if (!len)
return addr;
+ if ((addr + len) > TASK_SIZE || (addr + len) < addr)
+ return -EINVAL;
+
/*
* mlock MCL_FUTURE?
*/
next prev parent reply other threads:[~2003-12-07 18:32 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-07 2:36 2.4.23 hard lock, 100% reproducible Mark Symonds
2003-12-07 3:30 ` Philippe Troin
2003-12-07 4:34 ` Mark Symonds
2003-12-07 18:32 ` Chris Frey [this message]
2003-12-07 18:49 ` James Bourne
2003-12-07 19:21 ` David Rees
2003-12-07 20:19 ` James Bourne
-- strict thread matches above, loose matches on Subject: below --
2003-12-07 6:50 Alex Davis
2003-12-07 6:55 ` William Lee Irwin III
[not found] ` <046a01c3bca1$267ba5e0$7a01a8c0@gandalf>
2003-12-07 9:07 ` William Lee Irwin III
2003-12-07 9:16 ` Keith Owens
2003-12-07 9:36 ` William Lee Irwin III
2003-12-08 16:34 ` Oliver Teuber
2003-12-07 10:01 ` Mark Symonds
2003-12-07 11:34 ` Martin Josefsson
2003-12-07 14:40 ` Marcelo Tosatti
2003-12-07 23:18 ` Mark Symonds
2003-12-08 4:53 ` William Lee Irwin III
2003-12-08 7:12 ` Tim Timmerman
2003-12-08 11:06 ` Marcelo Tosatti
2003-12-09 6:29 ` Tim Timmerman
2003-12-08 10:17 ` Marcelo Tosatti
2003-12-08 15:54 ` Stephan von Krawczynski
2003-12-08 16:15 ` Marcelo Tosatti
2003-12-08 16:31 ` Jeff Garzik
2003-12-08 16:55 ` Stephan von Krawczynski
2003-12-08 19:56 ` Mark Symonds
2003-12-07 7:33 ` Mark Symonds
2003-12-07 16:24 ` Alex Davis
2003-12-08 17:06 Xose Vazquez Perez
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