26456784837
95%

Ran 26 May 2026 03:13PM UTC

Jobs 1

Files 88

Run time 1min

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Committed 26 May 2026 03:07PM UTC coverage: 95.444%. Remained the same

Build # 26456784837

Build Type

push

github

Committed by

web-flow

Commit Message

fix(standalone/tests): hold listener until bind to close port-lease TOCTOU (#490)

The shared `lease_port` helper bound an ephemeral port, read its address,
dropped the listener, and returned the address — the canonical TOCTOU race.
Under parallel `#[tokio::test(flavor = "multi_thread")]` execution the
kernel can re-issue a freshly-freed ephemeral port to another concurrent
`bind(:0)` in the same binary, so two tests end up "owning" the same port
and the second to actually bind hits `EADDRINUSE`. Surfaced as a coverage-
job flake on `admin_grpc_list_and_add_learner` (the gap between three
back-to-back leases and the second `build()` is multi-second).

Switch the helper to return `(SocketAddr, PortLease)` where `PortLease`
keeps the listener open. While the listener is alive the kernel guarantees
no other socket can be assigned the same port; tests drop the lease just
before calling `build()`, leaving only a microsecond residual window
between release and the driver's own bind. Consolidate the (previously
duplicated) helper into `tests/common/mod.rs` to match the convention
used by every sister crate's integration-test directory.

Coverage Stats

13261 of 13894 relevant lines covered (95.44%)

398954.65 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	26456784837.1	26 May 2026 03:13PM UTC	88	95.44	GitHub Action Run

prisma-risk / tsoracle / 26456784837
95%

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