| // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
| // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll |
| // RUN: not %run %t %t.dll 2>&1 | FileCheck %s |
| |
| // Test that it works correctly even with ICF enabled. |
| // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll -link /OPT:REF /OPT:ICF |
| // RUN: not %run %t %t.dll 2>&1 | FileCheck %s |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| extern "C" __declspec(dllexport) |
| int test_function() { |
| char buff1[6] = "Hello", buff2[5]; |
| |
| memcpy(buff2, buff1, 5); |
| if (buff1[2] != buff2[2]) |
| return 2; |
| printf("Initial test OK\n"); |
| fflush(0); |
| // CHECK: Initial test OK |
| |
| memcpy(buff2, buff1, 6); |
| // CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 6 at [[ADDR]] thread T0 |
| // CHECK-NEXT: __asan_{{.*}}memcpy |
| // CHECK-NEXT: test_function {{.*}}dll_intercept_memcpy.cc:[[@LINE-4]] |
| // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame |
| // CHECK-NEXT: test_function {{.*}}dll_intercept_memcpy.cc |
| // CHECK: 'buff2' <== Memory access at offset {{.*}} overflows this variable |
| return 0; |
| } |
