22 lines
528 B
C
22 lines
528 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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int main()
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{
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char *buf, *buf2;
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buf = (char*)mmap((void*)0x100000000, 0x2000 * 2,
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PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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buf = mmap((char *)buf, 0x2000, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
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memset(buf, 'a', 0x2000);
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buf[0x1fff] = 0;
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buf2 = strdup(buf);
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if (strncmp (buf + 3994, buf2 + 2635, 6241) >= 0)
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abort ();
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return 0;
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}
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