start state:
RAX  0x0
*RBX  0x3fffc7
 RCX  0x0
 RDX  0x0
 RDI  0x0
 RSI  0x0
 R8   0x0
 R9   0x0
 R10  0x0
 R11  0x0
 R12  0x0
 R13  0x0
 R14  0x0
 R15  0x0
 RBP  0x0
 RSP  0x7fffffffde40 ◂— 0x9e0000
 RIP  0x400078 ◂— xadd   qword ptr [rsp], rbx
────────────────────────────────────────────────[ DISASM ]─────────────────────────────────────────────────
 ► 0x400078    xadd   qword ptr [rsp], rbx
   0x40007d    sub    rbx, qword ptr [rsp + 2]
   0x400082    or     rbx, qword ptr [rsp]
   0x400086    jmp    rbx

   0x400088    add    byte ptr [rax], al
   0x40008a    add    byte ptr [rax], al
   0x40008c    add    byte ptr [rax], al
   0x40008e    add    byte ptr [rax], al
   0x400090    add    byte ptr [rax], al
   0x400092    add    byte ptr [rax], al
   0x400094    add    byte ptr [rax], al
─────────────────────────────────────────────────[ STACK ]─────────────────────────────────────────────────
00:0000│ rsp 0x7fffffffde40 ◂— 0x9e0000
01:0008│     0x7fffffffde48 —▸ 0x7fffffff0000 ◂— 0x0
02:0010│     0x7fffffffde50 ◂— 0x0
03:0018│     0x7fffffffde58 —▸ 0x7fffffffe1eb ◂— 'SHELL=/bin/bash'
04:0020│     0x7fffffffde60 —▸ 0x7fffffffe1fb ◂— 'SESSION_MANAGER=local/c4h-EFh:@/tmp/.ICE-unix/1982,unix/c4h-EFh:/tmp/.ICE-unix/1982'
05:0028│     0x7fffffffde68 —▸ 0x7fffffffe24f ◂— 'QT_ACCESSIBILITY=1'
06:0030│     0x7fffffffde70 —▸ 0x7fffffffe262 ◂— 'COLORTERM=truecolor'
07:0038│     0x7fffffffde78 —▸ 0x7fffffffe276 ◂— 'XDG_CONFIG_DIRS=/usr/share/torbrowser-default-browser/:/usr/share/open-link-confirmation/:/etc/xdg/xdg-ubuntu:/etc/xdg'
───────────────────────────────────────────────[ BACKTRACE ]─────

state rip==jmp rbx:

LEGEND: STACK | HEAP | CODE | DATA | RWX | RODATA
───────────────────────────────────────────────[ REGISTERS ]───────────────────────────────────────────────
 RAX  0x0
*RBX  0xddffe7
 RCX  0x0
 RDX  0x0
 RDI  0x0
 RSI  0x0
 R8   0x0
 R9   0x0
 R10  0x0
 R11  0x0
 R12  0x0
 R13  0x0
 R14  0x0
 R15  0x0
 RBP  0x0
 RSP  0x7fffffffde40 ◂— 0xddffc7
*RIP  0x400086 ◂— jmp    rbx
────────────────────────────────────────────────[ DISASM ]─────────────────────────────────────────────────
   0x400078    xadd   qword ptr [rsp], rbx
   0x40007d    sub    rbx, qword ptr [rsp + 2]
   0x400082    or     rbx, qword ptr [rsp]
 ► 0x400086    jmp    rbx <0xddffe7>







─────────────────────────────────────────────────[ STACK ]─────────────────────────────────────────────────
00:0000│ rsp 0x7fffffffde40 ◂— 0xddffc7
01:0008│     0x7fffffffde48 —▸ 0x7fffffff0000 ◂— 0x0
02:0010│     0x7fffffffde50 ◂— 0x0
03:0018│     0x7fffffffde58 —▸ 0x7fffffffe1eb ◂— 'SHELL=/bin/bash'
04:0020│     0x7fffffffde60 —▸ 0x7fffffffe1fb ◂— 'SESSION_MANAGER=local/c4h-EFh:@/tmp/.ICE-unix/1982,unix/c4h-EFh:/tmp/.ICE-unix/1982'
05:0028│     0x7fffffffde68 —▸ 0x7fffffffe24f ◂— 'QT_ACCESSIBILITY=1'
06:0030│     0x7fffffffde70 —▸ 0x7fffffffe262 ◂— 'COLORTERM=truecolor'
07:0038│     0x7fffffffde78 —▸ 0x7fffffffe276 ◂— 'XDG_CONFIG_DIRS=/usr/share/torbrowser-default-browser/:/usr/share/open-link-confirmation/:/etc/xdg/xdg-ubuntu:/etc/xdg'