(14) n-vm - #1800

Draft

daniel-noland wants to merge 68 commits into

pr/daniel-noland/stats-collectorfrom

pr/daniel-noland/n-vm

Commits on Sep 8, 2026

feat(n-vm): Absorb in-VM test infrastructure from the testn repository

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34a6ab4
refactor(n-vm): Make #[n_vm::test] the test attribute and route body attrs

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db5e883
feat(n-vm): Share the cargo workspace with the guest so bolero can run

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d9a86c9
feat(n-vm): Narrow the guest's write access to an opt-in corpus directory

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3adfa50
refactor(n-vm): Resolve the guest kernel through a manifest

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dde440a
feat(n-vm): Record each kernel's own config beside its image

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696f08f
feat(n-vm): Make VmConfig a const with compile-time validation

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eff759d
refactor(n-vm): Configure tests with a const instead of attributes

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35e60bd
feat(n-vm): Let tests declare the kernel features they depend on

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18459e9
fix(n-vm): Enable the dependency chain the mlx5 fragment needs

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d1adbd4
feat(n-vm): Make the hypervisor a property of the kernel profile

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7f514eb
feat(n-vm): Select the kernel profile for a run, and skip mismatches

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48f62e7
feat(n-vm): Build a deliberately modular guest kernel

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c4dc8ae
feat(n-vm): Build the initramfs for a modular guest kernel

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c20b2f0
feat(n-preinit): Add the static pre-init for initramfs boot

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9b57f29
feat(n-vm): Wire the modular kernel profile and its initramfs

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8160aa8
feat(n-vm): Boot a modular kernel through the initramfs

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913872a
feat(n-vm): Make vsock a module in the modular profile too

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8b56680
feat(n-vm): Ship the modular profile's modules xz-compressed

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e346e86
feat(n-vm): Run tests on the pinned Flatcar kernel

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76e5901
feat(n-vm): Make a skipped test visible instead of counting as a pass

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1306918
fix(n-vm): Let an unpinned test run on the selected profile's hypervisor

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f2a169c
fix(n-vm): Make QEMU honour the requested host page size

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fcffc76
fix(n-vm): Omit the Flatcar profile on a non-x86_64 guest

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0e40d4e
fix(n-vm): Link the pre-init statically for a cross target too

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738f09d
fix(n-vm): Resolve the qemu-user interpreter to its store path

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41fed3c
feat(n-vm): Report guest userspace faults on the console

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5fa19cf
fix(n-vm): Serve the guest's read-only share with cache=always

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73b031b
fix(n-vm): Do not default an emulated guest to a hypervisor that cannot emulate

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a53b33c
fix(n-vm): Derive the corpus directory from a remapped file!()

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7c10711
test(n-vm): Run the suite against a pinned Ubuntu kernel

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d0c23ef
docs(n-vm): Record that cache=always is the only policy that works

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4b1e7bf
test(n-vm): Assert the guest's view of the read-only share survives a refill

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899eebb
feat(n-vm): Carry the host tier's environment into the guest

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86ceedf
fix(n-vm): Clean up the container when the host tier is signalled

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be8e588
feat(n-vm): Add n-vm-reap for containers a SIGKILL left behind

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e79bc76
fix(n-vm): Print emergency cleanup notices where they can be seen

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7006574
build(n-vm): Add a just recipe for n-vm-reap, behind a feature

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1b0125d
fix(n-vm-macros): Route body attributes onto a synchronous wrapper

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2b0697f
test(n-vm): Run every guest-booting test in the serialised group

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2036f11
fix(n-vm): Stop reporting a clean guest run as a hypervisor failure

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5a59e96
fix(n-vm): Stop the default asking for memory nothing needs or can get

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ba0762b
feat(n-vm): Let a guest fuzz target answer bolero's discovery

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be251ac
fix(n-vm): Rewrite host paths in the environment carried into the guest

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d90b0b6
fix(n-vm): Tag each captured line with the channel it came from

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00e44ae
fix(n-vm): Stop the guest fuzzer trying to supervise copies of itself

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dadc4e3
feat(n-vm): Let a test describe its VM in its own body

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7eed34c
refactor(n-vm): Require the placeholder type on an inline config

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c1b06a9
refactor(n-vm): Make the backend and the guest runtime part of the machine

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9924c7e
fix(n-vm): Let a VM outlive the work it was given

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71620bd
feat(n-vm): Stop reserving guest memory a fuzzer cannot use

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38377bc
feat(n-vm): Give a fuzz target somewhere to put what it finds

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51ac11a
fix(n-vm): Find the scratch roots from wherever cargo started the test

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38475e0
feat(n-vm): Make the VM's memory and vCPU count configurable

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6a6c393
feat(n-vm): Make the number of fabric interfaces configurable

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50f7ffc
feat(n-vm): Let a test name the kernel it needs

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36cd2b7
feat(n-vm): Bound a guest fuzz engine by the memory it can reach

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efec0c3
feat(n-vm): Let one VM present several NIC models at once

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1bc2a09
test(n-vm): Assert each lever from inside the booted guest

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8c39043
build(n-vm): Ask for the bolero feature target discovery calls

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5bc2791
style(nix): Format default.nix with the dev shell's nixfmt

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bf18e51
chore(lint): Exempt the in-VM harness from the concurrency facade rule

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72c8ff6
chore(deps): Ignore the safemem advisory the harness drags in

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b9b47e4
build(nix): Drop the vendor hash for the git dependency n-vm replaced

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03ac3f3
build(n-vm): Give every test-running recipe the scratch roots

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fa3cf3e
build(n-vm): Populate the registry cache trybuild resolves against

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1d91767
fix(n-vm): Resolve bind sources for the daemon, not for this process

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c4aa4ff
fix(n-vm): Follow a symlinked testroot entry to what it points at

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ebf089d