Segmentation fault on program counter

Mruby running on linux x64 gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.3) poc ``` for i in methods Kernel.initialize.public_methods print print %i[0 0 0 0]end ``` output ``` [----------------------------------registers-----------------------------------] RAX: 0x6b0e00 --> 0x80101 RBX: 0x6bef20 --> 0x6b73d0 --> 0x210 RCX: 0x6ac010 --> 0x7fffffffe0b0 --> 0x0 RDX: 0x8 RSI: 0x6b3830 --> 0x408 RDI: 0x6ac010 --> 0x7fffffffe0b0 --> 0x0 RBP: 0x7fffffffe1a0 --> 0x7fffffffe1f0 --> 0x7fffffffe250 --> 0x7fffffffe3e0 --> 0x7fffffffe410 --> 0x7fffffffe590 (--> ...) RSP: 0x7fffffffdc18 --> 0x40fdb4 (<mrb_vm_exec+6984>: mov QWORD PTR [rbp-0x1d0],rax) RIP: 0x6b0e00 --> 0x80101 R8 : 0x1 R9 : 0x10 R10: 0x2cb11 R11: 0xf7acd701 R12: 0x401b20 (<_start>: xor ebp,ebp) R13: 0x7fffffffe670 --> 0x2 R14: 0x0 R15: 0x0 EFLAGS: 0x10297 (CARRY PARITY ADJUST zero SIGN trap INTERRUPT direction overflow) [-------------------------------------code-------------------------------------] 0x6b0dfa: add BYTE PTR [rax],al 0x6b0dfc: add BYTE PTR [rax],al 0x6b0dfe: add BYTE PTR [rax],al => 0x6b0e00: add DWORD PTR [rcx],eax 0x6b0e02: or BYTE PTR [rax],al 0x6b0e04: add BYTE PTR [rax],al 0x6b0e06: add BYTE PTR [rax],al 0x6b0e08: (bad) [------------------------------------stack-------------------------------------] 0000| 0x7fffffffdc18 --> 0x40fdb4 (<mrb_vm_exec+6984>: mov QWORD PTR [rbp-0x1d0],rax) 0008| 0x7fffffffdc20 --> 0x5b00000000 ('') 0016| 0x7fffffffdc28 --> 0x0 0024| 0x7fffffffdc30 --> 0x0 0032| 0x7fffffffdc38 --> 0x48a3f8 --> 0x280c001028040a0 0040| 0x7fffffffdc40 --> 0x6b0e30 --> 0x8040d 0048| 0x7fffffffdc48 --> 0x6ac010 --> 0x7fffffffe0b0 --> 0x0 0056| 0x7fffffffdc50 --> 0x28040a000000000 [------------------------------------------------------------------------------] Legend: code, data, rodata, value Stopped reason: SIGSEGV 0x00000000006b0e00 in ?? () gdb-peda$ bt #0 0x00000000006b0e00 in ?? () #1 0x000000000040fdb4 in mrb_vm_exec (mrb=0x6ac010, proc=0x6b0e30, pc=0x48a3f8 <gem_mrblib_irep_mruby_print+328>) at /home/vagrant/mruby/src/vm.c:1174 #2 0x000000000040e26a in mrb_vm_run (mrb=0x6ac010, proc=0x6af150, self=..., stack_keep=0x0) at /home/vagrant/mruby/src/vm.c:772 #3 0x000000000041627e in mrb_top_run (mrb=0x6ac010, proc=0x6af150, self=..., stack_keep=0x0) at /home/vagrant/mruby/src/vm.c:2490 #4 0x000000000043bfb4 in mrb_load_exec (mrb=0x6ac010, p=0x7082c0, c=0x706f30) at /home/vagrant/mruby/mrbgems/mruby-compiler/core/parse.y:5755 #5 0x000000000043c04a in mrb_load_file_cxt (mrb=0x6ac010, f=0x707f00, c=0x706f30) at /home/vagrant/mruby/mrbgems/mruby-compiler/core/parse.y:5764 #6 0x00000000004024f8 in main (argc=0x2, argv=0x7fffffffe678) at /home/vagrant/mruby/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c:232 #7 0x00007ffff7730f45 in __libc_start_main (main=0x40214f <main>, argc=0x2, argv=0x7fffffffe678, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe668) at libc-start.c:287 #8 0x0000000000401b49 in _start () gdb-peda$