[Bug 993919] Re: grub-fstest "--length" flag segmentation fault

[dino99]

grub legacy upstream is also stopped, only receiving possible random
fixes locally; and grub2 is now the default bootloader with all the
supported ubuntu versions.

** Changed in: grub (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/993919

Title:
  grub-fstest "--length" flag segmentation fault

Status in grub package in Ubuntu:
  Invalid

Bug description:
  A segmentation fault can be triggered in the grub-fstest application provided by the grub package.
  Specifically providing any parameter that isn't an integer to the "--length" flag as per the following terminal command will cause a segmentation fault:

  grub-fstest --length=A

  This doesn't appear to allow for the overwriting of stack registers,
  however, I have not had the chance to look at it in any detail.

  Regards,

  Sasha Zivojinovic

  lsb_release -rd
  Description:	Ubuntu 12.04 LTS
  Release:	12.04

  
  apt-cache policy grub
  grub:
    Installed: (none)
    Candidate: 0.97-29ubuntu66
    Version table:
       0.97-29ubuntu66 0
          500 http://gb.archive.ubuntu.com/ubuntu/ precise/main i386 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grub (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
  Uname: Linux 3.2.0-24-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: i386
  Date: Thu May  3 12:30:23 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub
  UpgradeStatus: Upgraded to precise on 2012-03-30 (33 days ago)

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