Invalid write error when printing testpage
Using GNOME 3.34.1 when printing a testpage from the printers panel sometime settings segfault. The stacktrace is corrupted/not useful but valgrind shows an invalid write error
==23868== Invalid write of size 8
==23868== at 0x1E6FD0: get_jobs_cb (pp-printer-entry.c:622)
==23868== by 0x4910028: g_task_return_now (gtask.c:1212)
==23868== by 0x491006C: complete_in_idle_cb (gtask.c:1226)
==23868== by 0x4AE771D: g_main_dispatch (gmain.c:3179)
==23868== by 0x4AE771D: g_main_context_dispatch (gmain.c:3844)
==23868== by 0x4AE7ACF: g_main_context_iterate.isra.0 (gmain.c:3917)
==23868== by 0x4AE7B72: g_main_context_iteration (gmain.c:3978)
==23868== by 0x493DB04: g_application_run (gapplication.c:2559)
==23868== by 0x16D818: main (main.c:70)
==23868== Address 0x166ebb90 is 640 bytes inside a block of size 656 free'd
==23868== at 0x483BA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==23868== by 0x4A71395: g_type_free_instance (gtype.c:1939)
==23868== by 0x4DFFC40: gtk_list_box_forall (gtklistbox.c:2586)
==23868== by 0x1DC4EA: actualize_printers_list_cb (cc-printers-panel.c:846)
==23868== by 0x4910028: g_task_return_now (gtask.c:1212)
==23868== by 0x491006C: complete_in_idle_cb (gtask.c:1226)
==23868== by 0x4AE771D: g_main_dispatch (gmain.c:3179)
==23868== by 0x4AE771D: g_main_context_dispatch (gmain.c:3844)
==23868== by 0x4AE7ACF: g_main_context_iterate.isra.0 (gmain.c:3917)