In a major sweep, LinkedIn removed more than 121 million fake accounts and implemented automated scam-detection in messages. At the same time, LinkedIn made it clear that users also had to be on the lookout for such attempts.
What is striking about this implementation is that it does not involve CR0.WP. The implementation elegantly sidesteps this by exploiting the fact that it is under no obligation to access memory via the pointer it receives from userspace. Since the kernel is in complete control of virtual memory, it can simply remap the physical frame into its own virtual address space, with arbitrary permissions, and operate on it as it wishes.
，详情可参考新收录的资料
being a landlord for a number is a “business”
Deletes - accounts by ids in batches of 1000 documents。业内人士推荐新收录的资料作为进阶阅读
记者观察到，不同家庭正尝试各自的应对之道。“灵师”的父母支持她在圈中社交，视其为“现实课堂”，并承诺在她权益受损时提供法律支持。
iomap_w32(CMD_MODULE, CMD_OFF_MEMPOOL + offs, val)，详情可参考新收录的资料