#0  0x00007f66e41def79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 1773
        selftid = 1877
#1  0x00007f66e41e2388 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {8286746938358592357, 1773, 140079903987031, 140076063391749, 0, 23, 140079890361640, 5119, 1773, 6640694, 140079904015637, 0, 18446744073709551615, 0, 140079906087360, 6}}, sa_flags = 0, sa_restorer = 0x3d3d3d3d3d3d3d3d}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00000000004b74b9 in mono_handle_native_sigsegv (signal=signal@entry=11, ctx=ctx@entry=0x7f66e50aec40) at mini-exceptions.c:2335
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
        jit_tls = <optimized out>
        signal_str = 0x655436 "SIGSEGV"
#3  0x000000000050f13b in mono_arch_handle_altstack_exception (sigctx=sigctx@entry=0x7f66e50aec40, fault_addr=<optimized out>, stack_ovf=stack_ovf@entry=0) at exceptions-amd64.c:908
        exc = <optimized out>
        ctx = 0x7f66e50aec40
        ji = 0x0
        sp = <optimized out>
        frame_size = <optimized out>
        copied_ctx = <optimized out>
#4  0x0000000000423d22 in mono_sigsegv_signal_handler (_dummy=11, info=0x7f66e50aed70, context=0x7f66e50aec40) at mini.c:6769
        ji = 0x0
        jit_tls = 0x7f66dc0021f0
        fault_addr = <optimized out>
        ctx = 0x7f66e50aec40
#5  <signal handler called>
No locals.
#6  0x00007f66e0626acd in g_type_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x000000004168b7ab in ?? ()
No symbol table info available.
#8  0x00007f66dc002540 in ?? ()
No symbol table info available.
#9  0x00007f66e316f9e8 in ?? ()
No symbol table info available.
#10 0x0000000041420b30 in ?? ()
No symbol table info available.
#11 0x00007f66e1924bb0 in ?? ()
No symbol table info available.
#12 0x00007f66e19249f0 in ?? ()
No symbol table info available.
#13 0x0000000000b34340 in ?? ()
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.