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Differential D29946

mroute: fix race condition during mrouter shutting down
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Authored by wma on Apr 23 2021, 11:13 AM.
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mw
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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.

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Repository
rG FreeBSD src repository
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Revision Contents
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PathSize
sys/
netinet/
9 lines
5 lines
2 lines
5 lines

Diff 89018

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sys/netinet/ip_input.c

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sys/netinet/ip_mroute.h

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sys/netinet/ip_mroute.c

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sys/netinet/ip_output.c

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