[Bug 2065775] Re: buffer overflow during debootstrap --variant=fakechroot

[Ken Sharp]

fakeroot
Stable 1.31-1.2
Testing 1.33-1
Unstable 1.34-1
Noble 1.33-1
Oracular 1.34-1

fakechroot
Stable 2.20.1+ds-15
Testing 2.20.1+ds-17
Unstable 2.20.1+ds-17
Noble 2.20.1+ds-15
Oracular 2.20.1+ds-15

debootstrap
Stable 1.0.128+nmu2+deb12u1
Testing 1.0.134
Unstable 1.0.134
Noble 1.0.134ubuntu1
Oracular 1.0.134ubuntu1

Note, however, that older versions of Ubuntu fail to fakechroot
debootstrap due to other issues, so don't get this far in the process.
It's difficult to work out when this issue was introduced.

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Title:
  buffer overflow during debootstrap --variant=fakechroot

Status in mawk package in Ubuntu:
  New

Bug description:
  Running a debootstrap fakechroot fails during mawk set up.

  $ fakechroot fakeroot debootstrap --variant=fakechroot noble noble

  Setting up mawk (1.3.4.20240123-1build1) ...
  *** buffer overflow detected ***: terminated
  Aborted (core dumped)
  dpkg: error processing package mawk (--configure):
   installed mawk package post-installation script subprocess returned error exit status 134

  Same with Oracular.

  A normal debootstrap (no variant) completes without error.

  Could be a fakeroot fault. I will reassign if I figure out the cause.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: mawk 1.3.4.20240123-1build1
  ProcVersionSignature: Ubuntu 6.5.0-28.29~22.04.1-generic 6.5.13
  Uname: Linux 6.5.0-28-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Wed May 15 13:19:11 2024
  Dependencies:
   gcc-14-base 14-20240412-0ubuntu1
   libc6 2.39-0ubuntu8.1
   libgcc-s1 14-20240412-0ubuntu1
   libidn2-0 2.3.7-2build1
   libunistring5 1.1-2build1
  ProcEnviron:
   LD_LIBRARY_PATH=<set>
   LD_PRELOAD=<set>
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
  SourcePackage: mawk
  UpgradeStatus: No upgrade log present (probably fresh install)

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