1 // This is the ASAN test of the same name ported to HWAsan.
2
3 // RUN: %clangxx_hwasan -mllvm -hwasan-use-after-scope -std=c++11 -O0 %s -o %t
4 // RUN: %clangxx_hwasan -fno-exceptions -mllvm -hwasan-use-after-scope -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
31 // REQUIRES: stable-runtime
32
33 #include <stdlib.h>
34 #include <string>
35 #include <vector>
36
37 template <class T>
38 struct Ptr {
StorePtr39 void Store(T *ptr) { t = ptr; }
40
AccessPtr41 void Access() { *t = {}; }
42
43 T *t;
44 };
45
46 template <class T, size_t N>
47 struct Ptr<T[N]> {
48 using Type = T[N];
StorePtr49 void Store(Type *ptr) { t = *ptr; }
50
AccessPtr51 void Access() { *t = {}; }
52
53 T *t;
54 };
55
56 template <class T>
test()57 __attribute__((noinline)) void test() {
58 Ptr<T> ptr;
59 {
60 T x;
61 ptr.Store(&x);
62 }
63
64 ptr.Access();
65 // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
66 // CHECK: #{{[0-9]+}} 0x{{.*}} in {{(void )?test.*\((void)?\) .*}}use-after-scope-types.cpp
67 // CHECK: Cause: stack tag-mismatch
68 }
69
main(int argc,char ** argv)70 int main(int argc, char **argv) {
71 using Tests = void (*)();
72 Tests tests[] = {
73 &test<bool>,
74 &test<char>,
75 &test<int>,
76 &test<double>,
77 &test<float>,
78 &test<void *>,
79 &test<std::vector<std::string>>,
80 &test<int[3]>,
81 &test<int[1000]>,
82 &test<char[3]>,
83 &test<char[1000]>,
84 };
85
86 int n = atoi(argv[1]);
87 if (n == sizeof(tests) / sizeof(tests[0])) {
88 for (auto te : tests)
89 te();
90 } else {
91 tests[n]();
92 }
93
94 return 0;
95 }
96