gcc/testsuite/c-c++-common/hwasan/asan-pr70541.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target hwaddress_exec } */
   3 /* { dg-options "-fno-builtin-malloc -fno-builtin-free" } */
   4 /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
   5 /* { dg-shouldfail "hwasan" } */
   6
   7 #include <stdio.h>
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11 extern void *malloc (__SIZE_TYPE__);
  12 extern void free (void *);
  13 #ifdef __cplusplus
  14 }
  15 #endif
  16
  17 struct Simple {
  18   int value;
  19 };
  20
  21 int f(struct Simple simple) {
  22   return simple.value;
  23 }
  24
  25 int main() {
  26   struct Simple *psimple = (struct Simple *) malloc(sizeof(struct Simple));
  27   psimple->value = 42;
  28   free(psimple);
  29   printf("%d\n", f(*psimple));
  30   return 0;
  31 }
  32
  33 /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" } */
  34 /* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\] \\(ptr/mem\\) in thread T0.*" } */
  35 /* { dg-output "freed by thread T0 here:.*" } */
  36 /* { dg-output "previously allocated by thread T0 here:" } */