NFSD: Fix exposure in nfsd4decodebitmap()
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 v5.15.5 by commit 10c22d9519f3f5939de61a1500aa3a926b778d3a, it was introduced in version v5.11 by commit d1c263a031e876ac3ca5223c728e4d98ed50b3c0. For more details please see the references link.