mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-08 08:26:14 +00:00
20 lines
549 B
C
20 lines
549 B
C
#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main()
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{
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__attribute__((unused)) char *p = malloc (1);
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char *b1 = malloc (128);
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char *b2 = malloc (128);
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fprintf (stderr, "b1 %#" PRIxPTR " b2 %#" PRIxPTR "\n",
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(uintptr_t)b1, (uintptr_t)b2);
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// Try to land in b2 from b1, causing no error
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// with the default redzone-size, but having
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// an error with a bigger redzone-size.
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// We need to choose a value which lands in b2
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// on 32 bits and 64 bits.
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b1[127 + 70] = 'a';
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return 0;
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}
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