lkml.org 
[lkml]   [2003]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Announcement] "Exec Shield", new Linux security feature
Ingo Molnar wrote:
>
> Furthermore, the kernel also remaps all PROT_EXEC mappings to the
> so-called ASCII-armor area, which on x86 is the addresses 0-16MB. These
[snipped]
> In the above layout, the highest executable address is 0x01003fff, ie.
> every executable address is in the ASCII-armor.

If my math is correct,
0x01000000 is 16 MB boundary
0x01003fff is outside the ASCII-armor.

Another question:
Last time I checked, there were some problems with binary only drivers
(to name one, NVidia graphics) and a non-executable stack. Has this been
resolved?

Regards,
Carl-Daniel
--
http://www.hailfinger.org/

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:35    [W:0.085 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site