When a procedure writes to an mmap-backed file on an NFS filesystem, flushing variations to the knowledge could fall short below some situations such as errors due to authorization mismatch, and this failure could not be detected as an mistake. A memory leak when a ZFS quantity is exported through the FreeBSD NFS server has been set. The FreeBSD sctp(4) protocol stack now supports a new sysctl(8) variable web.inet.sctp.blackhole.