Fix flaky CI: fast test scratch (/ci) + UFFD orphan reaping + transient vsock retry#286

Merged

rgarcia merged 10 commits into

mainfrom

fix/uffd-test-orphan-reap

Jun 11, 2026

Commits on Jun 10, 2026

Reap orphaned UFFD guests in tests; tolerate transient post-restore exec

rgarcia
and
claude
committed
Run integration tests on fast scratch disk (TMPDIR=/ci)

rgarcia
and
claude
committed
Co-locate prewarm cache on /ci (same filesystem as test TMPDIR)

rgarcia
and
claude
committed

Commits on Jun 11, 2026

Make vsock CIDs host-unique to avoid cross-run collisions

rgarcia
and
claude
committed
Throttle heavy VM tests and serialize shared image cache builds

rgarcia
and
claude
committed
Skip TestFCUFFDOneShotLifecycle (flaky; tracked in KERNEL-1354)

rgarcia
and
claude
committed
cleanupOrphanedProcesses: match data dir at a path boundary

rgarcia
and
claude
committed
Revert vsock CID per-process salt; restore original derivation

rgarcia
and
claude
committed
qemu: log-only diagnostic for vsock guest-CID conflicts

rgarcia
and
claude
committed
test: gate reflink assertion on FS support; genericize CI comment

rgarcia
and
claude
committed