26 lines
973 B
Markdown
26 lines
973 B
Markdown
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---
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model: gpt-5.6-sol
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service: opencode
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timestamp: 2026-08-27T23:25:00Z
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git_ref: d067505a
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diff_cmd: git diff HEAD~1..HEAD
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---
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# Raw output - verify pre-runtime netns entry
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After committing realized bindspace references and their deferred codec
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plan, the human requested the next Layer C increment.
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> `git diff HEAD~1..HEAD -- tractor/spawn/_netns.py tests/test_netns_spawn.py ai/tpt-backends/03_wg_tunnel_bindspace.md`
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Added a private synchronous `enter_netns()` bootstrap primitive. It
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validates the inherited FD and expected inode, constrains `setns()` to
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`CLONE_NEWNET`, verifies `/proc/self/ns/net` afterward, and leaves FD
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closure to the future spawn-bootstrap caller.
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Tests use real stand-in FDs while replacing only the privileged syscall
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and post-entry procfs observation. They prove stale FDs fail before
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entry, the syscall receives the exact namespace type, and bootstrap
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rejects an unexpected post-entry namespace. Ruff and all three focused
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tests passed.
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