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screen-cast/src: Remove follow up timeout source on disable

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We failed to remove the timeout source when disabling, meaning that if a
follow up was scheduled, and shortly after we disabled the source, the
timeout would be invoked after the source was freed causing
use-after-free bugs.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1337

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1365


(cherry picked from commit d67ba3ea65)
This commit is contained in:
Jonas Ådahl 2020-07-10 07:06:33 +00:00
parent 0c6ac287e6
commit 1fd53c480f
1 changed files with 2 additions and 0 deletions
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2
src/backends/meta-screen-cast-stream-src.c
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@ -624,6 +624,8 @@ meta_screen_cast_stream_src_disable (MetaScreenCastStreamSrc *src)
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src)->disable (src); META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src)->disable (src);
g_clear_handle_id (&priv->follow_up_frame_source_id, g_source_remove);
priv->is_enabled = FALSE; priv->is_enabled = FALSE;
} }