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// RUN: %clangxx_hwasan -O0 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
// RUN: %clangxx_hwasan -O1 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
// RUN: %clangxx_hwasan -O2 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
// RUN: %clangxx_hwasan -O3 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
// RUN: %clangxx_hwasan -O0 -DSTORE %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,STORE
// REQUIRES: stable-runtime
#include <stdlib.h>
#include <sanitizer/hwasan_interface.h>
int main() {
__hwasan_enable_allocator_tagging();
char * volatile x = (char*)malloc(10);
free(x);
__hwasan_disable_allocator_tagging();
#ifdef STORE
x[5] = 42;
#endif
#ifdef LOAD
return x[5];
#endif
// LOAD: READ of size 1 at
// LOAD: #0 {{.*}} in main {{.*}}use-after-free.cc:22
// STORE: WRITE of size 1 at
// STORE: #0 {{.*}} in main {{.*}}use-after-free.cc:19
// CHECK: freed here:
// CHECK: #0 {{.*}} in free {{.*}}hwasan_interceptors.cc
// CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:16
// CHECK: previously allocated here:
// CHECK: #0 {{.*}} in __interceptor_malloc {{.*}}hwasan_interceptors.cc
// CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:15
// CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in main
}
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