| // Verify that objects passed by value get red zones and that the copy |
| // constructor is called. |
| // RUN: %clangxx_asan -O0 %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s --implicit-check-not \ |
| // RUN: Assertion{{.*}}failed |
| |
| // ASan instrumentation can't insert red-zones around inalloca parameters. |
| // XFAIL: windows-msvc && asan-32-bits |
| |
| #include <cassert> |
| |
| class A { |
| public: |
| A() : me(this) {} |
| A(const A &other) : me(this) { |
| for (int i = 0; i < 8; ++i) a[i] = other.a[i]; |
| } |
| |
| int a[8]; |
| A *me; |
| }; |
| |
| int bar(A *a) { |
| int *volatile ptr = &a->a[0]; |
| return *(ptr - 1); |
| } |
| |
| void foo(A a) { |
| assert(a.me == &a); |
| bar(&a); |
| } |
| |
| int main() { |
| A a; |
| foo(a); |
| } |
| |
| // CHECK: ERROR: AddressSanitizer: stack-buffer-overflow |
| // CHECK: READ of size 4 at |
| // CHECK: is located in stack of thread |
