Paths

Table of Contentst

Don't recurse on non-recursive lock
ClosedPublic
Actions

Authored by tuexen on Apr 1 2022, 11:16 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Fri, May 1, 8:36 AM

	Unknown Object (File)
	Apr 25 2026, 6:19 AM

	Unknown Object (File)
	Apr 21 2026, 11:42 AM

	Unknown Object (File)
	Apr 21 2026, 7:07 AM

	Unknown Object (File)
	Apr 21 2026, 1:30 AM

	Unknown Object (File)
	Apr 19 2026, 12:11 PM

	Unknown Object (File)
	Mar 27 2026, 6:32 AM

	Unknown Object (File)
	Mar 26 2026, 6:37 AM

Subscribers

Details

Reviewers

rrs
lstewart
rscheff

Group Reviewers

transport

Commits

rGccdfd621d070: tcp cc: don't recurse on non recursive mutex

Summary

Don't call cc_deregister_algo(), which locks the cc_list mutex, with the cc_list mutex hold.

This was found by syzkaller.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

tuexen created this revision.Apr 1 2022, 11:16 PM

Herald added a reviewer: transport. · View Herald TranscriptApr 1 2022, 11:16 PM

Herald added subscribers: glebius, melifaro, imp. · View Herald Transcript

tuexen requested review of this revision.Apr 1 2022, 11:16 PM

rrs accepted this revision.Apr 4 2022, 6:21 PM

This revision is now accepted and ready to land.Apr 4 2022, 6:21 PM

Closed by commit rGccdfd621d070: tcp cc: don't recurse on non recursive mutex (authored by tuexen). · Explain WhyApr 5 2022, 11:53 AM

This revision was automatically updated to reflect the committed changes.

tuexen added a commit: rGccdfd621d070: tcp cc: don't recurse on non recursive mutex.

Revision Contents
Changeset List

Path

Size

sys/

netinet/

cc/

cc.c

29 lines

Diff 104614

View Options

Don't recurse on non-recursive lockClosedPublicActions