| 1 | // Test that we do not poison the array cookie if the operator new is defined |
|---|---|
| 2 | // inside the class. |
| 3 | // RUN: %clangxx_asan %s -o %t && %run %t |
| 4 | // |
| 5 | // XFAIL: target=arm{{.*}} |
| 6 | |
| 7 | // UNSUPPORTED: ios |
| 8 | |
| 9 | #include <new> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdint.h> |
| 12 | #include <stdio.h> |
| 13 | #include <assert.h> |
| 14 | struct Foo { |
| 15 | void *operator new(size_t s) { return Allocate(s); } |
| 16 | void *operator new[] (size_t s) { return Allocate(s); } |
| 17 | ~Foo(); |
| 18 | static void *allocated; |
| 19 | static void *Allocate(size_t s) { |
| 20 | assert(!allocated); |
| 21 | return allocated = ::new char[s]; |
| 22 | } |
| 23 | }; |
| 24 | |
| 25 | Foo::~Foo() {} |
| 26 | void *Foo::allocated; |
| 27 | |
| 28 | Foo *getFoo(size_t n) { |
| 29 | return new Foo[n]; |
| 30 | } |
| 31 | |
| 32 | int main() { |
| 33 | Foo *foo = getFoo(n: 10); |
| 34 | fprintf(stderr, format: "foo : %p\n", foo); |
| 35 | fprintf(stderr, format: "alloc: %p\n", Foo::allocated); |
| 36 | assert(reinterpret_cast<uintptr_t>(foo) == |
| 37 | reinterpret_cast<uintptr_t>(Foo::allocated) + sizeof(void*)); |
| 38 | *reinterpret_cast<uintptr_t*>(Foo::allocated) = 42; |
| 39 | return 0; |
| 40 | } |
| 41 |