blob: 6cd74c265b8ffccee4fc52e64aaa6344161e5599 [file] [log] [blame]
// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
// RUN: env ASAN_OPTIONS=detect_stack_use_after_return=1 not %run %t %t.dll 2>&1 | FileCheck %s
#include <malloc.h>
char *x;
void foo() {
char stack_buffer[42];
x = &stack_buffer[13];
}
extern "C" __declspec(dllexport)
int test_function() {
foo();
*x = 42;
// CHECK: AddressSanitizer: stack-use-after-return
// CHECK: WRITE of size 1 at [[ADDR:.*]] thread T0
// CHECK-NEXT: test_function {{.*}}dll_stack_use_after_return.cc:[[@LINE-3]]
// CHECK-NEXT: main
//
// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame
// CHECK-NEXT: #0 {{.*}} foo {{.*}}dll_stack_use_after_return.cc
// CHECK: 'stack_buffer' <== Memory access at offset [[OFFSET]] is inside this variable
return 0;
}