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Differential D57244

sigqueue: In capability mode, only allow signalling self
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Authored by emaste on May 26 2026, 1:26 PM.
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imp
markj
olce

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Reviewers
markj
oshogbo
Group Reviewers
capsicum
Commits
rG871d33e8a66a: sigqueue: In capability mode, only allow signalling self
rG77ee83d12625: sigqueue: In capability mode, only allow signalling self
rGeab757f954ed: sigqueue: In capability mode, only allow signalling self
rGf56e8cb94df6: sigqueue: In capability mode, only allow signalling self
rGd11ff01b3aec: sigqueue: In capability mode, only allow signalling self
rGdefd9b86ef99: sigqueue: In capability mode, only allow signalling self
rGb9d16b7fd2fa: sigqueue: In capability mode, only allow signalling self
Summary
This is equivalent to the check in kern_kill.

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Event Timeline

emaste requested review of this revision.May 26 2026, 1:26 PM
emaste created this revision.
emaste added a reviewer: capsicum.
emaste updated this revision to Diff 178607.May 26 2026, 1:55 PM

Add a (not even build tested yet) test

markj added a subscriber: markj.May 26 2026, 2:18 PM

Shall we update the kill test in tests/sys/capsicum/capmode.cc to verify sigqueue too?

markj added a comment.May 26 2026, 2:18 PM
In D57244#1311781, @markj wrote:

Shall we update the kill test in tests/sys/capsicum/capmode.cc to verify sigqueue too?

Sorry, I had an old copy of the review open, didn't see the update.

markj accepted this revision.May 26 2026, 2:19 PM
This revision is now accepted and ready to land.May 26 2026, 2:19 PM
oshogbo accepted this revision.May 26 2026, 2:24 PM
Closed by commit rGb9d16b7fd2fa: sigqueue: In capability mode, only allow signalling self (authored by emaste). · Explain WhyMay 26 2026, 7:19 PM
This revision was automatically updated to reflect the committed changes.
emaste added a commit: rGb9d16b7fd2fa: sigqueue: In capability mode, only allow signalling self.
Herald added subscribers: olce, imp. · View Herald TranscriptMay 26 2026, 7:19 PM
emaste added a commit: rGdefd9b86ef99: sigqueue: In capability mode, only allow signalling self.May 29 2026, 7:12 PM
emaste added a commit: rGd11ff01b3aec: sigqueue: In capability mode, only allow signalling self.
markj added a commit: rGf56e8cb94df6: sigqueue: In capability mode, only allow signalling self.Jun 9 2026, 7:18 PM
markj added a commit: rGeab757f954ed: sigqueue: In capability mode, only allow signalling self.
markj added a commit: rG77ee83d12625: sigqueue: In capability mode, only allow signalling self.
markj added a commit: rG871d33e8a66a: sigqueue: In capability mode, only allow signalling self.Jun 9 2026, 7:21 PM

Revision Contents
Changeset List

PathSize
sys/
kern/
10 lines
tests/
sys/
capsicum/
12 lines

Diff 178607

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sys/kern/kern_sig.c

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tests/sys/capsicum/capmode.cc

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