51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
#include <unicorn/unicorn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define ADDR 0x00400000
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#define SIZE 1024*64
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#define OVERFLOW 1
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int main()
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{
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uc_engine *uc;
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uint8_t *buf, *buf2;
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int i;
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uc_err err;
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err = uc_open (UC_ARCH_X86, UC_MODE_64, &uc);
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if (err) {
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printf ("uc_open %d\n", err);
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return 1;
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}
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err = uc_mem_map (uc, ADDR, SIZE, UC_PROT_ALL);
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if (err) {
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printf ("uc_mem_map %d\n", err);
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return 1;
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}
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buf = calloc (SIZE*2, 1);
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buf2 = calloc (SIZE, 1);
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for (i=0;i<SIZE; i++) {
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buf[i] = i & 0xff;
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}
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/* crash here */
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err = uc_mem_write (uc, ADDR, buf, SIZE+OVERFLOW);
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if (err) {
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printf ("uc_mem_map %d\n", err);
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return 1;
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}
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err = uc_mem_read (uc, ADDR+10, buf2, 4);
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if (err) {
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printf ("uc_mem_map %d\n", err);
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return 1;
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}
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if (buf2[0] != 0xa) {
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printf ("mem contents are wrong\n");
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return 1;
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}
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printf ("OK\n");
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free (buf);
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free (buf2);
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return 0;
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}
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