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

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