NFSD: prevent underflow in nfssvcdecodewriteargs()
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 v5.4.189 by commit 85259340fc9bd54e3d567b41b881ecb4d0055da1. For more details please see the references link.