CVE-2024-45021 memcg_write_event_control(): fix a user-triggerable oops

In the Linux kernel, the following vulnerability has been resolved: memcgwriteeventcontrol: fix a user-triggerable oops we are not guaranteed that anything past the terminating NUL is mapped let alone initialized with anything sane...

CVE-2024-45021 memcg_write_event_control(): fix a user-triggerable oops

In the Linux kernel, the following vulnerability has been resolved: memcgwriteeventcontrol: fix a user-triggerable oops we are not guaranteed that anything past the terminating NUL is mapped let alone initialized with anything sane...