mm: memcg: fix NULL pointer in memcgrouptrackforeigndirty_slowpath()
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 b79ba5953f6fdc5559389ad415620bffc24f024b, it was introduced in version v5.4 by commit 97b27821b4854ca744946dae32a3f2fd55bcd5bc. For more details please see the references link.