[Bug 2089779] Re: Buffer overflow in autopkgtest of wesnoth

[Christian Ehrhardt ]

I was re-verifying some of the major decision points to make sure this
goes the right paths (after all this crossed three digits of builds
overall) and as my gut feeling told me, something is even more odd.

I went back and ended up no more being able to reproduce the good case.
Not even with the PPA non-debugsymbol non-proposed build in:
https://launchpad.net/~paelzer/+archive/ubuntu/lp-2089779-libsdl-rebuild-2.30.9/+build/29314882

That obviously resets a lot of assumptions and efforts.

Resetting tets environments from scratch:
1. autopkgtest of wesnoth on plucky with --apt-pocket=proposed=src:libsdl2
2. autopkgtest of wesnoth on plucky

Trying against last weeks good/bad no change rebuilds
A. default build dep, no debug symbols built:
  https://launchpad.net/~paelzer/+archive/ubuntu/lp-2089779-libsdl-rebuild-2.30.9/+build/29314882
B. A. proposed build dep, debug symbols built:
  https://launchpad.net/~paelzer/+archive/ubuntu/lp-2089779-libsdl-rebuild-2.30.9/+build/29317135
C. check if it is infectionous in any way, after A/B force installing the former good via
  sudo apt install libsdl2-2.0-0=2.30.6+dfsg-1

1: fails
2: works
1A: fails
2A: fails
1B: fails
2B: fails
1C: works
2C: works

So indeed the former was a fluke and no change rebuild to fix was therefore a bad try.
Back to the drawing board, maybe also double check if the local git build was really working ...

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https://bugs.launchpad.net/bugs/2089779

Title:
  Buffer overflow in autopkgtest of wesnoth

Status in boost1.83 package in Ubuntu:
  Fix Released
Status in libsdl2 package in Ubuntu:
  Confirmed
Status in python3-defaults package in Ubuntu:
  Fix Released
Status in wesnoth package in Ubuntu:
  Triaged
Status in wesnoth-1.18 package in Ubuntu:
  Triaged

Bug description:
  https://objectstorage.prodstack5.canonical.com/swift/v1/AUTH_0f9aae918d5b4744bf7b827671c86842/autopkgtest-
  plucky/plucky/amd64/w/wesnoth-1.18/20241127_064901_ac814@/log.gz

  Repeats on reruns triggered by others.
  Blocks multiple migrations, atm
  - libsdl2
  - python3-defaults
  - boost1.83

  Unblocking all of these is surely worth it :-)
  I'll have a look tomorrow.

  229s autopkgtest [06:48:46]: test command1: /usr/games/wesnoth-1.18 -m --controller 1:ai --controller 2:ai --nogui
  229s autopkgtest [06:48:46]: test command1: [-----------------------
  229s Battle for Wesnoth v1.18.3 x86_64
  229s Started on Wed Nov 27 06:48:46 2024
  229s 
  229s Automatically found a possible data directory at: /tmp/autopkgtest.kgIWzV/build.Cyz/src
  229s 
  229s Data directory:               /tmp/autopkgtest.kgIWzV/build.Cyz/src
  229s User configuration directory: /home/USER/.config/wesnoth-1.18
  229s User data directory:          /home/USER/.config/wesnoth-1.18
  229s Cache directory:              /home/USER/.config/wesnoth-1.18/cache
  229s 
  229s 
  229s error: XDG_RUNTIME_DIR is invalid or not set in the environment.
  229s *** buffer overflow detected ***: terminated
  230s Aborted (core dumped)

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