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)
test_function()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