Description: bpf: Fix ringbuf helper function compatibility
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2000457
 https://www.zerodayinitiative.com/advisories/ZDI-21-1148/
Notes:
 carnil> Commit fixes 457f44363a88 ("bpf: Implement BPF ring buffer and
 carnil> verifier support for it") introduced in 5.8-rc1.
Bugs:
upstream: released (5.14) [5b029a32cfe4600f5e10e36b41778506b90fd4de]
5.10-upstream-stable: released (5.10.62) [9dd6f6d89693d8f09af53d2488afad22a8a44a57]
4.19-upstream-stable: N/A "Vulnerable code introduced later"
4.9-upstream-stable: N/A "Vulnerable code introduced later"
sid: released (5.14.6-1)
5.10-bullseye-security: released (5.10.70-1)
4.19-buster-security: N/A "Vulnerable code introduced later"
4.9-stretch-security: N/A "Vulnerable code introduced later"