CVE-2022-49764 bpf: Prevent bpf program recursion for raw tracepoint probes

In the Linux kernel, the following vulnerability has been resolved: bpf: Prevent bpf program recursion for raw tracepoint probes We got report from sysbot 1 about warnings that were caused by bpf program attached to contentionbegin raw tracepoint triggering the same tracepoint by using...