llvm-project/compiler-rt/test/asan/TestCases/Windows/wrong_downcast_on_heap.cpp
Kirill Stoimenov a09b881784 Revert "[asan][win][msvc] override new and delete and seperate TUs (#68754)"
This reverts commit 481e9b3e0b9c0a6843261f060822c7a41387e28c.

Breaks sanitizer bots: https://lab.llvm.org/buildbot/#/builders/127/builds/59071
2023-12-01 22:28:12 +00:00

27 lines
654 B
C++

// RUN: %clang_cl_asan %Od %s %Fe%t
// RUN: not %run %t 2>&1 | FileCheck %s
class Parent {
public:
int field;
};
class Child : public Parent {
public:
int extra_field;
};
int main(void) {
Parent *p = new Parent;
Child *c = (Child*)p; // Intentional error here!
c->extra_field = 42;
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 4 at [[ADDR]] thread T0
// CHECK: {{#0 0x[0-9a-f]* in main .*wrong_downcast_on_heap.cpp}}:[[@LINE-3]]
// CHECK: [[ADDR]] is located 0 bytes after 4-byte region
// CHECK: allocated by thread T0 here:
// CHECK: #0 {{.*}} operator new
return 0;
}