fortify-headers

standalone fortify-source implementation
git clone git://git.2f30.org/fortify-headers
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test_memset_dynamic_write.c (250B)

      1 #include "common.h"
      2 
      3 #include <string.h>
      4 
      5 int main(int argc, char** argv) {
      6   char buffer[8] = {0};
      7   memset(buffer, 0, sizeof(buffer) - 1);
      8   puts(buffer);
      9 
     10   CHK_FAIL_START
     11   memset(buffer, 0, argc);
     12   CHK_FAIL_END
     13 
     14   puts(buffer);
     15   return ret;
     16 }