#0  0x00007f8dc05f23a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = <optimized out>
#1  0x00007f8dc05f5b0b in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0, 140246794382240, 140246809344456, 0, 0, 0, 0, 4294967295, 0, 0, 24195, 9306240, 0, 0, 18446744073709551615, 0}}, sa_flags = -1054777420, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00000000004912b1 in mono_handle_native_sigsegv (signal=<optimized out>, ctx=<optimized out>) at mini-exceptions.c:2245
        sa = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0}
        jit_tls = <optimized out>
#3  0x00000000004e064f in mono_arch_handle_altstack_exception (sigctx=0x7f8dad2f4bc0, fault_addr=<optimized out>, stack_ovf=0) at exceptions-amd64.c:957
        exc = <optimized out>
        ctx = 0x7f8dad2f4bc0
        ji = 0x0
        sp = <optimized out>
        frame_size = <optimized out>
#4  0x000000000041b187 in mono_sigsegv_signal_handler (_dummy=11, info=0x7f8dad2f4cf0, context=0x7f8dad2f4bc0) at mini.c:5882
        ji = 0x0
        jit_tls = 0x19dcc90
        fault_addr = <optimized out>
        ctx = 0x7f8dad2f4bc0
#5  <signal handler called>
No symbol table info available.
#6  0x000000000118f468 in ?? ()
No symbol table info available.
#7  0x000000004189d9fc in ?? ()
No symbol table info available.
#8  0x00007f8db6899db0 in ?? ()
No symbol table info available.
#9  0x00007f8da7713960 in ?? ()
No symbol table info available.
#10 0x0000000000000001 in ?? ()
No symbol table info available.
#11 0x00007f8db68d65a0 in ?? ()
No symbol table info available.
#12 0x00007f8daf8a3348 in ?? ()
No symbol table info available.
#13 0x00007f8daecd9580 in ?? ()
No symbol table info available.
#14 0x00007f8d00000001 in ?? ()
No symbol table info available.
#15 0x0000000000000001 in ?? ()
No symbol table info available.
#16 0x00007f8da7713960 in ?? ()
No symbol table info available.
#17 0x000000004189615c in ?? ()
No symbol table info available.
#18 0x00007f8dc1236fc0 in ?? ()
No symbol table info available.
#19 0x00007f8da77137c0 in ?? ()
No symbol table info available.
#20 0x00007f8db6890108 in ?? ()
No symbol table info available.
#21 0x00007f8dad3d1580 in ?? ()
No symbol table info available.
#22 0x00007f8db6850c58 in ?? ()
No symbol table info available.
#23 0x00007f8da77137cc in ?? ()
No symbol table info available.
#24 0x000000000000000f in ?? ()
No symbol table info available.
#25 0x00007f8dad3c8890 in ?? ()
No symbol table info available.
#26 0x00007f8da70627e0 in ?? ()
No symbol table info available.
#27 0x000000000000000f in ?? ()
No symbol table info available.
#28 0x0000000000000000 in ?? ()
No symbol table info available.