mm/uffd: fix pte marker when fork() without fork event
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.11 by commit 2d11727655bf931776fb541f5862daf04bd5bf02, it was introduced in version v5.19 by commit c56d1b62cce83695823c13e52f73e92eb568c0c1. For more details please see the references link.