Description: xsk: fix usage of multi-buffer BPF helpers for ZC XDP
References:
Notes:
 carnil> Introduced in 24ea50127ecf ("xsk: support mbuf on ZC RX"). Vulnerable versions:
 carnil> 6.6-rc1.
Bugs:
upstream: released (6.8-rc2) [c5114710c8ce86b8317e9b448f4fd15c711c2a82]
6.7-upstream-stable: released (6.7.3) [5cd781f7216f980207af09c5e0e1bb1eda284540]
6.6-upstream-stable: released (6.6.15) [82ee4781b8200e44669a354140d5c6bd966b8768]
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.6.15-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"