CVE-2026-97961 perf/core: Allow list_del during perf_event_overflow()

In the Linux kernel, the following vulnerability has been resolved: perf/core: Allow listdel during perfeventoverflow A PMU might use perfschedcbinc and perfschedcbdec interface to get the PMU call back function pmu::schedtask invoked at schedule in and schedule out. This is achieved by walking...