Page MenuHomeFreeBSD
Differential D29946

mroute: fix race condition during mrouter shutting down
ClosedPublic
Actions

Authored by wma on Apr 23 2021, 11:13 AM.
Tags
None
Referenced Files
Unknown Object (File)
Tue, Feb 25, 11:29 AM
Unknown Object (File)
Tue, Feb 25, 5:21 AM
Unknown Object (File)
Mon, Feb 24, 10:23 PM
Unknown Object (File)
Sun, Feb 23, 5:07 PM
Unknown Object (File)
Feb 16 2025, 6:06 AM
Unknown Object (File)
Jan 16 2025, 9:37 AM
Unknown Object (File)
Jan 16 2025, 8:50 AM
Unknown Object (File)
Jan 16 2025, 7:02 AM
View All 75 Files
Subscribers
melifaro

Details

Reviewers
mw
Commits
rG65634ae748e7: mroute: fix race condition during mrouter shutting down
Summary

There is a race condition between V_ip_mrouter de-init

and ip_mforward handling. It might happen that mrouted
is cleaned up after V_ip_mrouter check and before
processing packet in ip_mforward.
Use epoch call aproach, similar to IPSec which also handles
such case.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
sys/
netinet/
9 lines
5 lines
2 lines
5 lines

Diff 89018

View Options

sys/netinet/ip_input.c

Loading...
View Options

sys/netinet/ip_mroute.h

Loading...
View Options

sys/netinet/ip_mroute.c

Loading...
View Options

sys/netinet/ip_output.c

Loading...