[Buildroot] [Bug 2629] New: Segmentation faults and division by zero in Grub on ext2

[bugzilla at busybox.net <bugzilla@busybox.net>]

https://bugs.busybox.net/show_bug.cgi?id=2629

              Host: i686
            Target: i686
             Build: i686
           Summary: Segmentation faults and division by zero in Grub on
                    ext2
           Product: buildroot
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: kdebjp at gmail.com
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


Created attachment 2533
  --> https://bugs.busybox.net/attachment.cgi?id=2533
Patch to be applied on top of buildroot-2010.08

This report covers two issues found in buildroot 2010.08, which relies on
grub_0.97.orig.tar.gz with patches from grub_0.97-35.diff.gz (both available
from http://snapshot.debian.net/archive/2008/03/29/debian/pool/main/g/grub/):

1) A segmentation fault occurred in the grub command line utility due to the
use of var_args in a way that was incompatible with the code generated by GCC
4.3.5:
The grub code was using its own var_args parsing mechanism in order to avoid
linking to the C standard library. However, this code was apparently
incompatible with the var_args related code generated by GCC 4.3.5.

2) A floating point exception occurred both in the grub command line utility
and in the ext2 file system handling of the boot loader:
This issue has been reported and fixed elsewhere as well (see, e.g.,
http://bugs.gentoo.org/show_bug.cgi?id=220687).

Both problems have been fixed in the attached patch.

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