[Pkg-games-ubuntu] [Bug 1659828] Re: gnome-chess crash on pawn promotion

[Jeremy Bicha]

** Description changed:

  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. This patch only affects pawn promotion which currently causes the game to crash so this is definitely an improvement.
  
  Other Info
  ----------
  There are 3 ways to fix this bug:
  1) Build gnome-chess without hardening flags. (This is the approach taken in Fedora 25).
  2) Apply a minimal workaround patch to gnome-chess. The patch was acknowledged by the gnome-chess maintainer, but he preferred to push for a proper fix in vala instead.
  3) Fix this in vala (it was fixed in vala 0.36 and 0.34.7) and then rebuild gnome-chess against the new vala.
  
+ https://git.gnome.org/browse/vala/commit/?id=f6e29bd1
+ 
  I initially did #2 in Ubuntu 17.04 Beta (zesty) but will replace it with
  #3.
  
  I am using #2 for Ubuntu 16.10 since it seems a more minimal SRU.
  
  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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https://bugs.launchpad.net/bugs/1659828

Title:
  gnome-chess crash on pawn promotion

Status in Vala:
  Fix Released
Status in gnome-chess package in Ubuntu:
  Fix Released
Status in gnome-chess source package in Yakkety:
  In Progress
Status in gnome-chess package in Debian:
  Confirmed

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. This patch only affects pawn promotion which currently causes the game to crash so this is definitely an improvement.

  Other Info
  ----------
  There are 3 ways to fix this bug:
  1) Build gnome-chess without hardening flags. (This is the approach taken in Fedora 25).
  2) Apply a minimal workaround patch to gnome-chess. The patch was acknowledged by the gnome-chess maintainer, but he preferred to push for a proper fix in vala instead.
  3) Fix this in vala (it was fixed in vala 0.36 and 0.34.7) and then rebuild gnome-chess against the new vala.

  https://git.gnome.org/browse/vala/commit/?id=f6e29bd1

  I initially did #2 in Ubuntu 17.04 Beta (zesty) but will replace it
  with #3.

  I am using #2 for Ubuntu 16.10 since it seems a more minimal SRU.

  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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