gcc/testsuite/c-c++-common/asan/global-overflow-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-builtin-memset" } */
   3 /* { dg-shouldfail "asan" } */
   4
   5 extern
   6 #ifdef __cplusplus
   7 "C"
   8 #endif
   9 void *memset (void *, int, __SIZE_TYPE__);
  10
  11 volatile int ten = 10;
  12
  13 int main() {
  14   static char XXX[10];
  15   static char YYY[10];
  16   static char ZZZ[10];
  17   memset(XXX, 0, 10);
  18   memset(YYY, 0, 10);
  19   memset(ZZZ, 0, 10);
  20   int res = YYY[ten];  /* BOOOM */
  21   res += XXX[ten/10] + ZZZ[ten/10];
  22   return res;
  23 }
  24
  25 /* { dg-output "READ of size 1 at 0x\[0-9a-f\]+ thread T0.*(\n|\r\n|\r)" } */
  26 /* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*main (\[^\n\r]*global-overflow-1.c:20|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r).*" } */
  27 /* { dg-output "0x\[0-9a-f\]+ is located 0 bytes to the right of global variable" } */
  28 /* { dg-output ".*YYY\[^\n\r]* of size 10\[^\n\r]*(\n|\r\n|\r)" } */