GSD-2021-1001178 nfsd: fix NULL dereference in nfs3svc_encode_getaclres

nfsd: fix NULL dereference in nfs3svcencodegetaclres This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.13.4 by commit...