kqueue: Associate marker knotes with a queue
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Authored by markj on Jul 28 2026, 1:54 PM.

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kib

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rG1ede9ecfe610: kqueue: Associate marker knotes with a queue
rG9a9349ea1da2: kqueue: Associate marker knotes with a queue

Summary

Otherwise the assertion in KQ_FLUX_SLEEP_WMESG may fail.

kqueue_fork_copy() already does this.

Fixes: 1f4b0ea4f3eb ("kqueue: Add a helper macro for sleeping on in-flux knotes")
Reported by: syzkaller

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rG FreeBSD src repository

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Event Timeline

markj created this revision.Jul 28 2026, 1:54 PM

Herald added subscribers: olce, imp. · View Herald TranscriptJul 28 2026, 1:54 PM

markj requested review of this revision.Jul 28 2026, 1:54 PM

Harbormaster completed remote builds in B75232: Diff 182953.Jul 28 2026, 1:54 PM

kib accepted this revision.Jul 28 2026, 7:44 PM

This revision is now accepted and ready to land.Jul 28 2026, 7:44 PM

Closed by commit rG9a9349ea1da2: kqueue: Associate marker knotes with a queue (authored by markj). · Explain WhyJul 29 2026, 12:45 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rG9a9349ea1da2: kqueue: Associate marker knotes with a queue.

markj added a commit: rG1ede9ecfe610: kqueue: Associate marker knotes with a queue.Aug 6 2026, 3:02 PM

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sys/

kern/

kern_event.c

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kqueue: Associate marker knotes with a queueClosedPublicActions