[Lencerf]

Wrap UnixStream inside parking_lot::Mutex in VuSession so concurrent vCPU config MMIO requests and worker-side vhost-user requests cannot interleave frames on the socket.

Assisted-by: Antigravity:Gemini-4-Carbon

[coveralls]

Coverage Report for CI Build 41699854417

Coverage increased (+0.9%) to 39.388%

Details

• Coverage increased (+0.9%) from the base build.
• Patch coverage: 4 uncovered changes across 2 files (19 of 23 lines covered, 82.61%).
• 3 coverage regressions across 2 files.

Uncovered Changes

File	Changed	Covered	%
alioth/src/virtio/vu/conn.rs	22	19	86.36%
alioth/src/virtio/vu/backend.rs	1	0	0.0%

Coverage Regressions

3 previously-covered lines in 2 files lost coverage.

File	Lines Losing Coverage	Coverage
alioth/src/virtio/dev/vsock/uds_vsock.rs	2	81.51%
alioth/src/virtio/vu/conn.rs	1	54.4%

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Coverage Stats

Relevant Lines:	16237
Covered Lines:	6202
Line Coverage:	38.2%
Relevant Branches:	1672
Covered Branches:	852
Branch Coverage:	50.96%
Branches in Coverage %:	Yes
Coverage Strength:	895.0 hits per line

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💛 - Coveralls