CVE-2025-37807 bpf: Fix kmemleak warning for percpu hashmap

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix kmemleak warning for percpu hashmap Vlad Poenaru reported the following kmemleak issue: unreferenced object 0x606fd7c44ac8 size 32: backtrace crc 0: pcpuallocnoprof+0x730/0xeb0 bpfmapallocpercpu+0x69/0xc0...