Though, there is zero evidence of info on Chinese assets being passed on to Americans. It's mostly an Indian PR trope to compensate for their own failings. e.g. Building their war strategy on PL-15 export brochures, likely picked up from these forums.
1. The evidence we have is Pakistan passing on information to China (OBL Raid Stealth Helo etc).
2. The evidence we have is of CIA crying about getting duped by Pakistan.