1// This is the ASAN test of the same name ported to HWAsan.
2
3// RUN: %clangxx_hwasan -std=c++11 -O0 %s -o %t
4// RUN: %clangxx_hwasan -fno-exceptions -std=c++11 -O0 %s -o %t-noexcept
5
6// RUN: not %run %t 0 2>&1 | FileCheck %s
7// RUN: not %run %t 1 2>&1 | FileCheck %s
8// RUN: not %run %t 2 2>&1 | FileCheck %s
9// RUN: not %run %t 3 2>&1 | FileCheck %s
10// RUN: not %run %t 4 2>&1 | FileCheck %s
11// RUN: not %run %t 5 2>&1 | FileCheck %s
12// RUN: not %run %t 6 2>&1 | FileCheck %s
13// RUN: not %run %t 7 2>&1 | FileCheck %s
14// RUN: not %run %t 8 2>&1 | FileCheck %s
15// RUN: not %run %t 9 2>&1 | FileCheck %s
16// RUN: not %run %t 10 2>&1 | FileCheck %s
17
18// RUN: not %run %t-noexcept 0 2>&1 | FileCheck %s
19// RUN: not %run %t-noexcept 1 2>&1 | FileCheck %s
20// RUN: not %run %t-noexcept 2 2>&1 | FileCheck %s
21// RUN: not %run %t-noexcept 3 2>&1 | FileCheck %s
22// RUN: not %run %t-noexcept 4 2>&1 | FileCheck %s
23// RUN: not %run %t-noexcept 5 2>&1 | FileCheck %s
24// RUN: not %run %t-noexcept 6 2>&1 | FileCheck %s
25// RUN: not %run %t-noexcept 7 2>&1 | FileCheck %s
26// RUN: not %run %t-noexcept 8 2>&1 | FileCheck %s
27// RUN: not %run %t-noexcept 9 2>&1 | FileCheck %s
28// RUN: not %run %t-noexcept 10 2>&1 | FileCheck %s
29
30// REQUIRES: aarch64-target-arch || riscv64-target-arch
31
32#include <stdlib.h>
33#include <string>
34#include <vector>
35
36template <class T>
37struct Ptr {
38 void Store(T *ptr) { t = ptr; }
39
40 void Access() { *t = {}; }
41
42 T *t;
43};
44
45template <class T, size_t N>
46struct Ptr<T[N]> {
47 using Type = T[N];
48 void Store(Type *ptr) { t = *ptr; }
49
50 void Access() { *t = {}; }
51
52 T *t;
53};
54
55template <class T>
56__attribute__((noinline)) void test() {
57 Ptr<T> ptr;
58 {
59 T x;
60 ptr.Store(&x);
61 }
62
63 ptr.Access();
64 // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
65 // CHECK: #{{[0-9]+}} 0x{{.*}} in {{(void )?test.*\((void)?\) .*}}use-after-scope-types.cpp
66 // CHECK: Cause: stack tag-mismatch
67}
68
69int main(int argc, char **argv) {
70 using Tests = void (*)();
71 Tests tests[] = {
72 &test<bool>,
73 &test<char>,
74 &test<int>,
75 &test<double>,
76 &test<float>,
77 &test<void *>,
78 &test<std::vector<std::string>>,
79 &test<int[3]>,
80 &test<int[1000]>,
81 &test<char[3]>,
82 &test<char[1000]>,
83 };
84
85 int n = atoi(nptr: argv[1]);
86 if (n == sizeof(tests) / sizeof(tests[0])) {
87 for (auto te : tests)
88 te();
89 } else {
90 tests[n]();
91 }
92
93 return 0;
94}
95

source code of compiler-rt/test/hwasan/TestCases/use-after-scope-types.cpp