CVE-2022-50223

CVE-2022-50223 affects the Linux kernel on LoongArch where, when CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are enabled, cpu_max_bits_warn() could trigger a runtime warning during /proc/cpuinfo display. The issue arises from iterating CPUs using NR_CPUS and is fixed by using nr_cpu_ids...