gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target hwaddress_exec } */
   3 /* { dg-shouldfail "hwasan" } */
   4
   5 #define alloca __builtin_alloca
   6
   7 int __attribute__ ((noinline))
   8 check_alloca (int num)
   9 {
  10   volatile int *allocd_array = (int*)alloca (num * sizeof(int));
  11   int other_array[10];
  12   return allocd_array[12];
  13 }
  14
  15 int __attribute__ ((noinline))
  16 main ()
  17 {
  18   check_alloca (3);
  19   return 1;
  20 }
  21
  22 /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" } */
  23 /* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: \[\[:xdigit:\]\]\[\[:xdigit:\]\]/00.* \\(ptr/mem\\) in thread T0.*" } */
  24 /* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } */
  25 /* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */