| // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
| // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll |
| // RUN: %env_asan_opts=detect_stack_use_after_return=1 not %run %t %t.dll 2>&1 | FileCheck %s |
| |
| #include <malloc.h> |
| |
| char *x; |
| |
| void foo() { |
| char stack_buffer[42]; |
| x = &stack_buffer[13]; |
| } |
| |
| extern "C" __declspec(dllexport) |
| int test_function() { |
| foo(); |
| *x = 42; |
| // CHECK: AddressSanitizer: stack-use-after-return |
| // CHECK: WRITE of size 1 at [[ADDR:.*]] thread T0 |
| // CHECK-NEXT: test_function{{.*}}dll_stack_use_after_return.cc:[[@LINE-3]] |
| // CHECK-NEXT: main |
| // |
| // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame |
| // CHECK-NEXT: #0 {{.*}} foo{{.*}}dll_stack_use_after_return.cc |
| // CHECK: 'stack_buffer' <== Memory access at offset [[OFFSET]] is inside this variable |
| return 0; |
| } |
| |
