Description: bpf: Fix out of bounds access from invalid *_or_null type verification
References:
 https://www.openwall.com/lists/oss-security/2022/01/13/1
Notes:
 carnil> For stable series in 5.10.y, 5.15.y and 5.16.y the commit "bpf:
 carnil> Fix out of bounds access from invalid *_or_null type
 carnil> verification" was backported for fixing the issue as the issue
 carnil> was fixed in mainline through the larger refactoring in
 carnil> c25b2ae136039ffa820c26138ed4a5e5f3ab3841.
Bugs:
upstream: pending [c25b2ae136039ffa820c26138ed4a5e5f3ab3841]
5.10-upstream-stable: needed
4.19-upstream-stable: N/A "Vulnerable code not present"
4.9-upstream-stable: N/A "Vulnerable code not present"
sid: needed
5.10-bullseye-security: needed
4.19-buster-security: N/A "Vulnerable code not present"
4.9-stretch-security: N/A "Vulnerable code not present"