Crash in pur_mm_get_sms_properties on ModemManager restart

(gdb) bt
#0  0x0000ffff91a70a08 in  () at /lib/aarch64-linux-gnu/libc.so.6
#1  0x0000ffff88f7b728 in pur_mm_get_sms_properties (sms_props=0xaaab0577a6f0) at mm-sms.c:498
#2  0x0000ffff88f7aeec in cb_sms_state_change (sms=0xffff8000ab60 [MMSms], pspec=0xaaab05a64730 [GParamUInt], sms_props=0xaaab0577a6f0) at mm-sms.c:274
#6  0x0000ffff92bc9b98 in <emit signal notify:state on instance 0xffff8000ab60 [MMSms]> (instance=instance@entry=0xffff8000ab60, signal_id=signal_id@entry=1, detail=<optimized out>)
    at ../../../gobject/gsignal.c:3447
    #3  0x0000ffff92bac9f8 in g_closure_invoke (closure=0xaaab0577a760, return_value=0x0, n_param_values=2, param_values=0xffffc439ecf0, invocation_hint=0xffffc439ecb8) at ../../../gobject/gclosure.c:810
    #4  0x0000ffff92bc12b8 in signal_emit_unlocked_R (node=node@entry=0xaaab0533ab40, detail=1636, detail@entry=0, instance=0xffff8000ab60, 
    instance@entry=0x0, emission_return=emission_return@entry=0x0, instance_and_params=0xffffc439ecf0, instance_and_params@entry=0xffff92af4b00 <valid_format_string+272>) at ../../../gobject/gsignal.c:3635
    #5  0x0000ffff92bc962c in g_signal_emit_valist (instance=instance@entry=0xffff8000ab60, signal_id=signal_id@entry=1, detail=<optimized out>, var_args=...) at ../../../gobject/gsignal.c:3391
#7  0x0000ffff92bb1808 in g_object_dispatch_properties_changed (object=0xffff8000ab60 [MMSms], n_pspecs=<optimized out>, pspecs=<optimized out>) at ../../../gobject/gobject.c:1088
#8  0x0000ffff92bb3f10 in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0xffff8000ab60 [MMSms]) at ../../../gobject/gobject.c:1181
#9  0x0000ffff92bb3f10 in g_object_notify (object=0xffff8000ab60 [MMSms], property_name=<optimized out>) at ../../../gobject/gobject.c:1229
#10 0x0000ffff88b4e27c in mm_gdbus_sms_proxy_g_properties_changed (_proxy=<optimized out>, changed_properties=<optimized out>, invalidated_properties=0xaaab05a450b0) at mm-gdbus-sms.c:1772
#11 0x0000ffff91878dcc in ffi_call_SYSV () at /lib/aarch64-linux-gnu/libffi.so.6
#12 0x0000ffff918796f4 in ffi_call () at /lib/aarch64-linux-gnu/libffi.so.6
#17 0x0000ffff92bc9b98 in <emit signal ??? on instance 0xffff8000ab60 [MMSms]> (instance=instance@entry=0xffff8000ab60, signal_id=signal_id@entry=20, detail=detail@entry=0) at ../../../gobject/gsignal.c:3447
    #13 0x0000ffff92bad224 in g_cclosure_marshal_generic
    (closure=0xffff92c00000, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x1) at ../../../gobject/gclosure.c:1496
    #14 0x0000ffff92bac9f8 in g_closure_invoke (closure=0xaaab05355b30, return_value=0x0, n_param_values=3, param_values=0xffffc439f7a0, invocation_hint=0xffffc439f768) at ../../../gobject/gclosure.c:810
    #15 0x0000ffff92bc0b30 in signal_emit_unlocked_R (node=node@entry=0xaaab05355b60, detail=detail@entry=0, instance=0xffff8000ab60, 
    instance@entry=0x0, emission_return=emission_return@entry=0x0, instance_and_params=0xffffc439f7a0, instance_and_params@entry=0xffff92afdeec <g_variant_type_info_get+476>) at ../../../gobject/gsignal.c:3673
    #16 0x0000ffff92bc962c in g_signal_emit_valist (instance=instance@entry=0xffff8000ab60, signal_id=signal_id@entry=20, detail=detail@entry=0, var_args=...) at ../../../gobject/gsignal.c:3391
#18 0x0000ffff92d16754 in on_name_owner_changed
    (connection=<optimized out>, sender_name=<optimized out>, object_path=<optimized out>, interface_name=<optimized out>, signal_name=<optimized out>, parameters=<optimized out>, user_data=<optimized out>)
    at ../../../gio/gdbusproxy.c:1344
#19 0x0000ffff92d04658 in emit_signal_instance_in_idle_cb (data=0xffff7c057b10) at ../../../gio/gdbusconnection.c:3711
#20 0x0000ffff92ab851c in g_main_dispatch (context=0xaaab0534a9a0) at ../../../glib/gmain.c:3182
#21 0x0000ffff92ab851c in g_main_context_dispatch (context=context@entry=0xaaab0534a9a0) at ../../../glib/gmain.c:3847
#22 0x0000ffff92ab88e8 in g_main_context_iterate (context=context@entry=0xaaab0534a9a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3920
#23 0x0000ffff92ab8984 in g_main_context_iteration (context=context@entry=0xaaab0534a9a0, may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#24 0x0000ffff92cdcc7c in g_application_run (application=0xaaab053490e0 [ChattyApplication], argc=2, argv=0xffffc439ff38) at ../../../gio/gapplication.c:2470
#25 0x0000aaaae828a304 in main ()
(gdb)