procdesc: Disallow pddupfd() of non-passable files
ClosedPublic
Actions

Authored by markj on Jul 22 2026, 8:14 PM.

Tags

None

Referenced Files

	F175869237: D58403.diff
	Wed, Oct 14, 1:26 AM

	Unknown Object (File)
	Mon, Oct 12, 8:43 PM

	Unknown Object (File)
	Mon, Oct 12, 2:08 AM

	Unknown Object (File)
	Sun, Oct 11, 2:37 AM

	Unknown Object (File)
	Sun, Oct 11, 1:26 AM

	Unknown Object (File)
	Thu, Oct 8, 10:48 PM

	Unknown Object (File)
	Thu, Oct 8, 1:44 AM

	Unknown Object (File)
	Sat, Oct 3, 6:13 AM

Subscribers

Details

Reviewers

kib

Commits

rG91e11c8f2b38: procdesc: Disallow pddupfd() of non-passable files

Summary

Fixes: 1ad21a652182 ("kern: add pddupfd(2)")
Reported by: Maik Muench of Secfault Security

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 75024
Build 71907: arc lint + arc unit

Event Timeline

markj created this revision.Jul 22 2026, 8:14 PM

Herald added subscribers: ziaee, olce, imp. · View Herald TranscriptJul 22 2026, 8:14 PM

markj requested review of this revision.Jul 22 2026, 8:14 PM

Harbormaster completed remote builds in B75024: Diff 182479.Jul 22 2026, 8:14 PM

markj added a parent revision: D58402: kqueue: Allocate marker knotes on the stack.Jul 22 2026, 8:14 PM

Fix double fdrop

Harbormaster completed remote builds in B75025: Diff 182480.Jul 22 2026, 8:18 PM

kib accepted this revision.Jul 22 2026, 11:34 PM

This revision is now accepted and ready to land.Jul 22 2026, 11:34 PM

Closed by commit rG91e11c8f2b38: procdesc: Disallow pddupfd() of non-passable files (authored by markj). · Explain WhyJul 24 2026, 9:07 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rG91e11c8f2b38: procdesc: Disallow pddupfd() of non-passable files.

Revision Contents
Changeset List

Path

Size

lib/

libsys/

pdfork.2

6 lines

sys/

kern/

sys_procdesc.c

12 lines

Diff 182479

View Options

lib/libsys/pdfork.2