ping6: convert receive loop from pselect(2) to ppoll(2)
ClosedPublic
Actions

Authored by oshogbo on Apr 29 2026, 10:34 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Sun, Sep 6, 9:36 PM

	Unknown Object (File)
	Sat, Sep 5, 12:35 AM

	Unknown Object (File)
	Thu, Sep 3, 12:40 PM

	Unknown Object (File)
	Wed, Sep 2, 1:08 PM

	Unknown Object (File)
	Thu, Aug 27, 12:59 PM

	Unknown Object (File)
	Tue, Aug 25, 10:38 PM

	Unknown Object (File)
	Sat, Aug 22, 12:47 PM

	Unknown Object (File)
	Sat, Aug 22, 12:46 PM

View All 70 Files

Subscribers

imp

Details

Reviewers

markj

Commits

rG1d0410fb349f: ping6: convert receive loop from pselect(2) to ppoll(2)

Summary

pselect(2) might overflow if the desciptor number is above
FD_SETSIZE and silently corrupt the stack. Switch to ppoll(2) so
the receive socket fd is no longer constrained by FD_SETSIZE.

Reported by: Joshua Rogers

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

oshogbo created this revision.Apr 29 2026, 10:34 PM

Herald added a subscriber: imp. · View Herald TranscriptApr 29 2026, 10:34 PM

oshogbo requested review of this revision.Apr 29 2026, 10:34 PM

Harbormaster completed remote builds in B72644: Diff 176830.Apr 29 2026, 10:34 PM

oshogbo added a reviewer: markj.Apr 29 2026, 10:34 PM

markj accepted this revision.May 3 2026, 11:53 PM

This revision is now accepted and ready to land.May 3 2026, 11:53 PM

Closed by commit rG1d0410fb349f: ping6: convert receive loop from pselect(2) to ppoll(2) (authored by oshogbo). · Explain WhyMay 21 2026, 6:14 AM

This revision was automatically updated to reflect the committed changes.

oshogbo added a commit: rG1d0410fb349f: ping6: convert receive loop from pselect(2) to ppoll(2).

Revision Contents
Changeset List

Path

Size

sbin/

ping/

ping6.c

10 lines

Diff 178295

View Options

ping6: convert receive loop from pselect(2) to ppoll(2)ClosedPublicActions