[Bug 1751011] Re: bash crashes in qemu-user environments (bionic)

[nuclearsandwich]

The ROS (http://www.ros.org/) team uses qemu and docker to build native
arm packages on our buildfarm. So this is a pretty significant roadblock
for us as we prepare our next release based on bionic.

Many of our build processes rely on bash scripts, but even if we were to
port all of those away from bash, it's an essential package and building
an image without it is not really tenable. I have packaged bash with the
-no-pie flag restored and that's working for us at the moment, but even
incorporating that into our image baking process is not very clean
(https://github.com/osrf/multiarch-docker-image-generation/pull/21).

If upstream's solution is not preferred. Is there another way to get
bash working under qemu within the release window?

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https://bugs.launchpad.net/bugs/1751011

Title:
  bash crashes in qemu-user environments (bionic)

Status in bash package in Ubuntu:
  Triaged
Status in bash package in Debian:
  Fix Released

Bug description:
  Attempts to launch bash in an arm64 qemu-user environment in bionic
  results in the following error message:

  bash: xmalloc: .././shell.c:1709: cannot allocate 10 bytes (0 bytes
  allocated)

  This causes any qemu/chroot based bootstrapping to fail as many
  packages invoke bash during postinst.

  Version: bash_4.4.18-1ubuntu1_arm64
  Release: 18.04 pre-release

  QEMU: 2.8.0

  This appears to have been reported and fixed in the corresponding
  Debian package (https://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=889869)

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