xref: /llvm-project/compiler-rt/test/asan/TestCases/Windows/operator_array_new_uaf.cpp (revision a09b88178492dcd372d8a1d5ed8d5dedda651614)
1 // RUN: %clang_cl_asan %Od %s %Fe%t
2 // RUN: not %run %t 2>&1 | FileCheck %s
3 
4 #include <windows.h>
5 
main()6 int main() {
7   char *buffer = new char[42];
8   delete [] buffer;
9   buffer[0] = 42;
10   // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
11   // CHECK: WRITE of size 1 at [[ADDR]] thread T0
12   // CHECK:   {{#0 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-3]]
13   // CHECK: [[ADDR]] is located 0 bytes inside of 42-byte region
14   // CHECK-LABEL: freed by thread T0 here:
15   // CHECK:   {{#0 .* operator delete}}[]
16   // CHECK:   {{#1 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-8]]
17   // CHECK-LABEL: previously allocated by thread T0 here:
18   // CHECK:   {{#0 .* operator new}}[]
19   // CHECK:   {{#1 .* main .*operator_array_new_uaf.cpp}}:[[@LINE-12]]
20   return 0;
21 }
22 
23