1 // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t 2 // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll 3 // RUN: not %run %t %t.dll 2>&1 | FileCheck %s 4 5 #include <string.h> 6 7 extern "C" __declspec(dllexport) 8 int test_function() { 9 char buff[6] = "Hello"; 10 11 memchr(buff, 'z', 7); 12 // CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 13 // CHECK: READ of size 7 at [[ADDR]] thread T0 14 // CHECK-NEXT: __asan_wrap_memchr 15 // CHECK-NEXT: memchr 16 // CHECK-NEXT: test_function {{.*}}dll_intercept_memchr.cc:[[@LINE-5]] 17 // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame 18 // CHECK-NEXT: test_function {{.*}}dll_intercept_memchr.cc 19 // CHECK: 'buff' <== Memory access at offset {{.*}} overflows this variable 20 return 0; 21 } 22