CVE-2025-39895 sched: Fix sched_numa_find_nth_cpu() if mask offline

In the Linux kernel, the following vulnerability has been resolved: sched: Fix schednumafindnthcpu if mask offline schednumafindnthcpu uses a bsearch to look for the 'closest' CPU in scheddomainsnumamasks and given cpus mask. However they might not intersect if all CPUs in the cpus mask are...