compiler-rt/test/hwasan/TestCases/wild-free-close.c

   1 // RUN: %clang_hwasan %s -o %t && not %run %t 2>&1 | FileCheck %s
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 #include <sanitizer/hwasan_interface.h>
   7
   8 int main() {
   9   __hwasan_enable_allocator_tagging();
  10   char *p = (char *)malloc(1);
  11   fprintf(stderr, "ALLOC %p\n", __hwasan_tag_pointer(p, 0));
  12   // CHECK: ALLOC {{[0x]+}}[[ADDR:.*]]
  13   free(p - 8);
  14   // CHECK: ERROR: HWAddressSanitizer: invalid-free on address {{.*}} at pc {{[0x]+}}[[PC:.*]] on thread T{{[0-9]+}}
  15   // CHECK: #0 {{[0x]+}}{{.*}}[[PC]] in {{.*}}free
  16   // CHECK: #1 {{.*}} in main {{.*}}wild-free-close.c:[[@LINE-3]]
  17   // CHECK: is located 8 bytes before a 1-byte region [{{[0x]+}}{{.*}}[[ADDR]]
  18   // CHECK-NOT: Segmentation fault
  19   // CHECK-NOT: SIGSEGV
  20   return 0;
  21 }