Fix panic in IPv6 multicast code
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Authored by ae on Aug 5 2021, 8:59 AM.

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rG6144be57c0ab: Fix panic in IPv6 multicast code.
rG40ec2323e689: Fix panic in IPv6 multicast code.
rGd477a7feed17: Fix panic in IPv6 multicast code.

Summary

Add check that ifp supports IPv6 multicasts in in6_getmulti.

This fixes panic when user application tries to join into multicast
group on an interface that doesn't support IPv6 multicasts, like
IFT_PFLOG interfaces.

PR:             257302

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Repository

rG FreeBSD src repository

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Lint Not Applicable

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Tests Not Applicable

Event Timeline

ae created this revision.Aug 5 2021, 8:59 AM

ae held this revision as a draft.

Herald added subscribers: melifaro, bz, imp. · View Herald TranscriptAug 5 2021, 8:59 AM

Harbormaster completed remote builds in B40865: Diff 93250.Aug 5 2021, 8:59 AM

ae published this revision for review.Aug 5 2021, 9:00 AM

melifaro accepted this revision.Aug 6 2021, 9:43 AM

This revision is now accepted and ready to land.Aug 6 2021, 9:43 AM

Closed by commit rGd477a7feed17: Fix panic in IPv6 multicast code. (authored by ae). · Explain WhyAug 6 2021, 10:01 AM

This revision was automatically updated to reflect the committed changes.

ae added a commit: rGd477a7feed17: Fix panic in IPv6 multicast code..

ae added a commit: rG40ec2323e689: Fix panic in IPv6 multicast code..Aug 13 2021, 7:33 AM

ae added a commit: rG6144be57c0ab: Fix panic in IPv6 multicast code..Aug 13 2021, 7:39 AM

Revision Contents
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Path

Size

sys/

netinet6/

in6_mcast.c

11 lines

Diff 93316

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Fix panic in IPv6 multicast codeClosedPublicActions