david/ipxe
david/ipxe
Archived
1
0
Fork 0
Code
My fork of git://git.ipxe.org/ipxe.git, it is used for my netboot environment at home.
This repository has been archived on 2020-12-06. You can view files and clone it, but cannot push or open issues or pull requests.
3,682 Commits 1 Branch 0 Tags 14 MiB
C 95.2%
Objective-C 1.7%
Assembly 1.3%
Perl 0.7%
Makefile 0.4%
Other 0.6%
23daab14a6
Go to file
Michael Brown 23daab14a6 [romprefix] Use correct size for PMM allocation of image source block 
iPXE allocates its first PMM block using the image source length,
which is rounded up to the nearest 16-byte paragraph.  It then copies
in data of a length calculated from the ROM size, which is
theoretically less than or equal to the image source length, but is
rounded up to the nearest 512-byte sector.  This can result in copying
beyond the end of the allocated PMM block, which can corrupt the PMM
data structures (and other essentially arbitrary areas of memory).

Fix by rounding up the image source length to the nearest 512-byte
sector before using it as the PMM allocation length.

Reported-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Jarrod Johnson <jarrod.b.johnson@gmail.com>
Reported-by: Itay Gazit <itayg@mellanox.co.il>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
2011-03-15 02:07:22 +00:00
contrib [contrib] Specify boot order in bochsrc.txt 2011-01-26 23:24:44 +00:00
src [romprefix] Use correct size for PMM allocation of image source block 2011-03-15 02:07:22 +00:00
COPYING Initial revision 2005-05-17 16:44:57 +00:00
COPYRIGHTS [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org