For e0d02d0e2ed785 you may only need to test this hunk:
@@ -490,10 +499,13 @@ mtk_region_apply_matrix_transform_expand (const MtkRegion
*region,
MtkRectangle *rects;
int n_rects, i;
+ n_rects = mtk_region_num_rectangles (region);
+ if (!n_rects)
+ return mtk_region_create ();
+
if (graphene_matrix_is_identity (transform))
return mtk_region_copy (region);
- n_rects = mtk_region_num_rectangles (region);
MTK_RECTANGLE_CREATE_ARRAY_SCOPED (n_rects, rects);
for (i = 0; i < n_rects; i++)
{
... unless you're unlucky and that just moves the crash to a new
location.
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https://bugs.launchpad.net/bugs/2167614
Title:
gnome-shell SIGSEGV in pixman_region32_n_rects from libmutter-14 paint
path (Wayland), GDM greeter shell also crashes
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