ipdivert: Use CK_SLISTs for the divcb hash table
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Authored by markj on Dec 1 2025, 2:31 PM.

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rGe29fe1c251a1: divert: Use CK_SLISTs for the divcb hash table
rG74f7e916211a: divert: Use CK_SLISTs for the divcb hash table

Summary

The hash table is accessed in ip_divert_packet(), and there the accesses
are synchronized only by the net epoch, so plain SLIST is not safe.

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 68956
Build 65839: arc lint + arc unit

Event Timeline

markj created this revision.Dec 1 2025, 2:31 PM

Herald added subscribers: glebius, melifaro, imp. · View Herald TranscriptDec 1 2025, 2:31 PM

markj requested review of this revision.Dec 1 2025, 2:31 PM

Harbormaster completed remote builds in B68956: Diff 167360.Dec 1 2025, 2:31 PM

ae accepted this revision.Dec 3 2025, 1:38 AM

This revision is now accepted and ready to land.Dec 3 2025, 1:38 AM

Closed by commit rG74f7e916211a: divert: Use CK_SLISTs for the divcb hash table (authored by markj). · Explain WhyDec 3 2025, 2:44 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rG74f7e916211a: divert: Use CK_SLISTs for the divcb hash table.

markj added a commit: rGe29fe1c251a1: divert: Use CK_SLISTs for the divcb hash table.Dec 11 2025, 6:06 PM

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sys/

netinet/

ip_divert.c

18 lines

Diff 167360

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ipdivert: Use CK_SLISTs for the divcb hash tableClosedPublicActions