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keybindings: Avoid using unitialized memory and grabbing random keys

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meta_parse_accelerator() considers 0 length accelerator strings as
valid, meaning that the keybinding should be disabled. Unfortunately,
it doesn't initialize the MetaKeyCombo so if the caller doesn't
initialize it either, we end up using random values and possibly
grabbing random keys.

https://bugzilla.gnome.org/show_bug.cgi?id=766270
This commit is contained in:
Rui Matos
2016-05-11 18:07:49 +02:00
parent 434f22e820
commit e160babe3f
2 changed files with 11 additions and 3 deletions
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4
src/core/keybindings.c
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@ -1379,8 +1379,8 @@ meta_display_grab_accelerator (MetaDisplay *display,
MetaKeyBindingManager *keys = &display->key_binding_manager;
MetaKeyBinding *binding;
MetaKeyGrab *grab;
MetaKeyCombo combo;
MetaResolvedKeyCombo resolved_combo;
MetaKeyCombo combo = { 0 };
MetaResolvedKeyCombo resolved_combo = { 0 };
if (!meta_parse_accelerator (accelerator, &combo))
{