Merge branch 'gnome-team'

1 files changed, 42 insertions, 0 deletions

diff --git a/gnu/packages/patches/gtk2-harden-list-store.patch b/gnu/packages/patches/gtk2-harden-list-store.patch
new file mode 100644
index 0000000000..f49dc3bc77
--- /dev/null
+++ b/gnu/packages/patches/gtk2-harden-list-store.patch
@@ -0,0 +1,42 @@
+Backport the implementation of gtk_list_store_iter_is_valid from gtk+-3.
+
+Index: gtk+-2.24.33/gtk/gtkliststore.c
+===================================================================
+--- gtk+-2.24.33.orig/gtk/gtkliststore.c
++++ gtk+-2.24.33/gtk/gtkliststore.c
+@@ -1195,16 +1195,31 @@ gboolean
+ gtk_list_store_iter_is_valid (GtkListStore *list_store,
+                               GtkTreeIter  *iter)
+ {
++  GSequenceIter *seq_iter;
++
+   g_return_val_if_fail (GTK_IS_LIST_STORE (list_store), FALSE);
+   g_return_val_if_fail (iter != NULL, FALSE);
+ 
+-  if (!VALID_ITER (iter, list_store))
+-    return FALSE;
++  /* can't use VALID_ITER() here, because iter might point
++   * to random memory.
++   *
++   * We MUST NOT dereference it.
++   */
+ 
+-  if (g_sequence_iter_get_sequence (iter->user_data) != list_store->seq)
++  if (iter == NULL ||
++      iter->user_data == NULL ||
++      list_store->stamp != iter->stamp)
+     return FALSE;
+ 
+-  return TRUE;
++  for (seq_iter = g_sequence_get_begin_iter (list_store->seq);
++       !g_sequence_iter_is_end (seq_iter);
++       seq_iter = g_sequence_iter_next (seq_iter))
++    {
++      if (seq_iter == iter->user_data)
++        return TRUE;
++    }
++
++  return FALSE;
+ }
+ 
+ static gboolean real_gtk_list_store_row_draggable (GtkTreeDragSource *drag_source,