[Bug 1659828] Re: Crash on promoting to queen fairymax engine

[Jeremy Bicha]

** Project changed: gnome-chess => vala

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https://bugs.launchpad.net/bugs/1659828

Title:
  Crash on promoting to queen fairymax engine

Status in Vala:
  Confirmed
Status in gnome-chess package in Ubuntu:
  Fix Committed
Status in gnome-chess source package in Yakkety:
  New

Bug description:
  Impact
  ------
  The Chess app in Ubuntu 16.10 will crash when trying to promote a pawn.

  gnome-chess is not installed by default by any current Ubuntu flavors.

  Test Case
  ---------
  1. Open the Chess app and click Preferences in the app menu. Change Opposing Player to Human. Close Preferences.
  2. Make a move then click New Game to start a new game without a computer player.
  3. Move a pawn to the far end of the board to promote it to Queen.

  Does Chess crash after promoting?

  Regression Potential
  --------------------
  Low.

  Other Info
  ----------
  I discussed this patch with Michael Catanzaro, the gnome-chess maintainer who had this to say:
  "That patch is one way to work around it... the workaround I used in Fedora is to not use any hardening flags when compiling the package. If anyone's computer gets hacked because someone finds a way to get code execution via malformed Portable Game Notation, then accept my apologies in advance. ;)"

  This only affect Ubuntu 16.10 since that was the first release where
  we opted gnome-chess into all available hardening flags.

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