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Differential D19898

Don't allow the user to set RTF_RNH_LOCKED
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Authored by tuexen on Apr 13 2019, 2:06 PM.

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Subscribers

imp

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Reviewers

melifaro
glebius
ae

Commits

rS347123: MFC r346197:
rS346197: When sending a routing message, don't allow the user to set the

Summary

When sending a routing message, don't allow the user to set the RTF_RNH_LOCKED in rtm_flags, since this flag is used only internally.

This issue was reported by syzbot.

Test Plan

Ensure reproducer does not trigger a panic on a GENERIC kernel.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

tuexen created this revision.Apr 13 2019, 2:06 PM

Herald added subscribers: ae, imp. · View Herald TranscriptApr 13 2019, 2:06 PM

Harbormaster completed remote builds in B23658: Diff 56168.Apr 13 2019, 2:06 PM

tuexen edited the test plan for this revision. (Show Details)Apr 13 2019, 2:06 PM

ae accepted this revision.Apr 13 2019, 5:10 PM

This revision is now accepted and ready to land.Apr 13 2019, 5:10 PM

Closed by commit rS346197: When sending a routing message, don't allow the user to set the (authored by tuexen). · Explain WhyApr 14 2019, 10:18 AM

This revision was automatically updated to reflect the committed changes.

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Size

head/

sys/

net/

rtsock.c

2 lines

Diff 56193

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Don't allow the user to set RTF_RNH_LOCKEDClosedPublicActions