unicorn/regress/map_crash.c

#include <unicorn/unicorn.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define UC_BUG_WRITE_SIZE 13000
#define UC_BUG_WRITE_ADDR 0x1000    // fix this by change this to 0x2000

int main() {
    int size;
    uint8_t *buf;
    uch uh;
    uc_err err = uc_open (UC_ARCH_X86, UC_MODE_64, &uh);
    if (err) {
        fprintf (stderr, "Cannot initialize unicorn\n");
        return 1;
    }
    size = UC_BUG_WRITE_SIZE;
    buf = malloc (size);
    if (!buf) {
        fprintf (stderr, "Cannot allocate\n");
        return 1;
    }
    memset (buf, 0, size);
    if (!uc_mem_map (uh, UC_BUG_WRITE_ADDR, size)) {
        uc_mem_write (uh, UC_BUG_WRITE_ADDR, buf, size);
    }
    uc_close (&uh);
    return 0;
}