| // Make sure everything works even if the main module doesn't have any stack |
| // variables, thus doesn't explicitly reference any symbol exported by the |
| // runtime thunk. |
| // |
| // RUN: %clang_cl_asan -LD -O0 -DDLL1 %s -Fe%t1.dll |
| // RUN: %clang_cl_asan -LD -O0 -DDLL2 %s -Fe%t2.dll |
| // RUN: %clang_cl_asan -O0 -DEXE %s %t1.lib %t2.lib -Fe%t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| #include <malloc.h> |
| #include <string.h> |
| |
| extern "C" { |
| #if defined(EXE) |
| __declspec(dllimport) void foo1(); |
| __declspec(dllimport) void foo2(); |
| |
| int main() { |
| foo1(); |
| foo2(); |
| } |
| #elif defined(DLL1) |
| __declspec(dllexport) void foo1() {} |
| #elif defined(DLL2) |
| __attribute__((noinline)) |
| static void NullDeref(int *ptr) { |
| // CHECK: ERROR: AddressSanitizer: access-violation on unknown address |
| // CHECK: {{0x0*000.. .*pc 0x.*}} |
| ptr[10]++; // BOOM |
| } |
| |
| __declspec(dllexport) void foo2() { |
| NullDeref((int*)0); |
| // CHECK: {{ #1 0x.* in foo2.*null_deref_multiple_dlls.cc:}}[[@LINE-1]] |
| // CHECK: AddressSanitizer can not provide additional info. |
| } |
| #else |
| # error oops! |
| #endif |
| } |
