| // RUN: %clang_cl_asan -O0 %s -Fe%t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| #include <windows.h> |
| |
| DWORD WINAPI thread_proc(void *) { |
| int subscript = -1; |
| volatile char stack_buffer[42]; |
| stack_buffer[subscript] = 42; |
| // CHECK: AddressSanitizer: stack-buffer-underflow on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 1 at [[ADDR]] thread T1 |
| // CHECK: {{#0 .* thread_proc.*thread_stack_array_left_oob.cc}}:[[@LINE-3]] |
| // CHECK: Address [[ADDR]] is located in stack of thread T1 at offset {{.*}} in frame |
| // CHECK: thread_proc |
| return 0; |
| } |
| |
| int main() { |
| HANDLE thr = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL); |
| // CHECK: Thread T1 created by T0 here: |
| // CHECK: {{#[01] .* main .*thread_stack_array_left_oob.cc}}:[[@LINE-2]] |
| |
| // A failure to create a thread should fail the test! |
| if (thr == 0) return 0; |
| |
| WaitForSingleObject(thr, INFINITE); |
| } |