Fix LoadLibraryExW hooking crash (#89)

src/os.windows.cpp

@@ -270,6 +270,16 @@ void trap_threads(uint8_t* from, uint8_t* to, size_t len, const std::function<vo
         new_protect = PAGE_EXECUTE_READWRITE;
     }
 
+    auto si = system_info();
+    auto *from_page_start = align_down(from, si.page_size);
+    auto *from_page_end = align_up(from + len, si.page_size);
+    auto *vp_start = reinterpret_cast<uint8_t*>(&VirtualProtect);
+    auto *vp_end = vp_start + 0x20;
+
+    if (!(from_page_end < vp_start || vp_end < from_page_start)){
+        new_protect = PAGE_EXECUTE_READWRITE;
+    }
+
     std::scoped_lock lock{TrapManager::mutex};
 
     if (TrapManager::instance == nullptr) {
@@ -314,4 +324,4 @@ void fix_ip(ThreadContext thread_ctx, uint8_t* old_ip, uint8_t* new_ip) {
 
 } // namespace safetyhook
 
-#endif
+#endif