pfsync(4) Packet Header Field Renamed to Avoid AI Bug Report Noise
by from OpenBSD Journal on (#74X0N)
Bogus security bug reports generated by large language model(LLM)tool use are a well known irritant and time sink for open source projects.
As a consequence of one such report, Theo de Raadt (deraadt@)committed a change to pfsync(4) to rename an otherwise unused field in the pfsync(4) packet header.
The commit message reads,
List: openbsd-cvsSubject: CVS: cvs.openbsd.org: srcFrom: Theo de Raadt <deraadt () cvs ! openbsd ! org>Date: 2026-04-12 3:16:04CVSROOT:/cvsModule name:srcChanges by:deraadt@cvs.openbsd.org2026/04/11 21:16:04Modified files:sys/net : if_pfsync.c if_pfsync.h Log message:The pfcksum[] field in the pfsync packet header is not a hash of thepacket. It provides absolutely no security benefits, keep reading tofind out.