RFC 7530, "Network File System (NFS) Version 4 Protocol", March 2015Source of RFC: nfsv4 (tsv)
Errata ID: 4471
Reported By: Marcel Telka
Date Reported: 2015-09-12
Verifier Name: Martin Stiemerling
Date Verified: 2015-12-16
Section 16.10.4. says:
In the case that the lock is denied, the owner, offset, and length of a conflicting lock are returned.
It should say:
In the case that the lock is denied, the owner, offset, length, and type of a conflicting lock are returned.
The locktype in LOCK4denied is not specified for the LOCK operation. See 16.11.4. for similar wording for LOCKT.