#0  0x0000000811efa8c6 in memcpy () from /lib/libc.so.7
#1  0x0000000805e5bcce in egg_hkdf_perform (hash_algo=<value optimized out>, input=0x814289268, n_input=192, salt=<value optimized out>, n_salt=32, info=0x0, output=<value optimized out>,
    n_output=<value optimized out>) at egg-hkdf.c:98
#2  0x000000080632e3c7 in gcr_secret_exchange_default_derive_transport_key (exchange=<value optimized out>, peer=<value optimized out>, n_peer=<value optimized out>)
    at gcr-secret-exchange.c:711
#3  0x000000080632d74e in gcr_secret_exchange_receive (self=0x81a4499e0, exchange=<value optimized out>) at gcr-secret-exchange.c:339
#4  0x00000008063350eb in prompter_method_call (connection=<value optimized out>, sender=<value optimized out>, object_path=0x10 <Address 0x10 out of bounds>,
    interface_name=0x2 <Address 0x2 out of bounds>, method_name=<value optimized out>, parameters=<value optimized out>, invocation=0x81a449760, user_data=0x7fffffffd620)
    at gcr-system-prompter.c:886
#5  0x000000080c9df9d1 in g_bus_get_finish () from /usr/local/lib/libgio-2.0.so.0
#6  0x000000081119cca2 in g_main_context_dispatch () from /usr/local/lib/libglib-2.0.so.0
#7  0x000000081119d043 in g_main_context_pending () from /usr/local/lib/libglib-2.0.so.0
#8  0x000000081119d39f in g_main_loop_run () from /usr/local/lib/libglib-2.0.so.0
#9  0x0000000800d03fea in meta_run () from /usr/local/lib/libmutter.so.0
#10 0x0000000000402434 in ?? ()
#11 0x0000000000401f3f in ?? ()
#12 0x0000000800620000 in ?? ()
#13 0x0000000000000000 in ?? ()