[Bug 675848] Re: Grub2: segmentation fault during install

Marcus Tomlinson marcus.tomlinson at canonical.com
Thu Mar 5 12:46:09 UTC 2020


This release of Ubuntu is no longer receiving maintenance updates. If
this is still an issue on a maintained version of Ubuntu please let us
know.

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

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Title:
  Grub2:  segmentation fault during install

Status in grub2 package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: grub2

  Debian (or Ubuntu) have a patch in source repository (named 07_core_in_fs.diff)
  which have a BUG

  + fp = fopen (DEFAULT_DIRECTORY "/" CORE_IMG_IN_FS, "w");
  + fclose (fp);

  1. It does not check for fp value after opening. If running grub not under root, segmentation fault generated.
  2. It touches HOST boot logick even when installing GRUB into image file.

  P.S. What purpose of this patch ? it adds/removes a file which is not
  used anywhere. I think You should just remove this patch. Notify me if
  this patch is upstream (debian)

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