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Martin VogelandPR9000
fece72b049
Adds -Wl,-z,relro and -Wl,-z,now to ELF_HARDENING_FLAGS, and asserts the
resulting property on the produced artifact rather than on the compiler's
willingness to accept a flag.
The shipped Linux binaries measurably lacked the property. Built the way
.github/workflows/_build.yml builds them (STATIC=1, gcc 13.3 / GNU ld 2.42,
Ubuntu 24.04 aarch64), PT_GNU_RELRO ends at 0x11DA0000 in both cases:
without -z now: .got 0x11d9ec20+0x13c8, .got.plt 0x11d9ffe8+0x40
-> .got.plt ends at 0x11DA0028, 40 bytes PAST the window.
Those GOT slots stayed writable for the whole process
lifetime, in every Linux binary shipped to date.
with -z now: .got.plt folds into .got, the whole GOT sits inside the
window and is re-mapped read-only after startup.
Both flags are free at runtime for a static binary -- everything resolves at
link time, so there is no lazy binding left to pay for. -z relro is already
this toolchain's default and changes nothing here; it is named anyway so the
property stops depending on one distro's spec file, since the musl/portable
and glibc-floor images are different toolchains and a default is not a
guarantee.
A1c/A1d in scripts/ci/check-binary-composition.sh assert the OUTCOME on the
binary via readelf, for the same reason A1 exists beside the .note.GNU-stack
annotation: a flag the linker accepts is not evidence the artifact gained
anything. PR #1138 demonstrated that directly -- its -pie was silently
discarded under -static, and its -D_FORTIFY_SOURCE=2 silently DOWNGRADED
Ubuntu's default of 3, both while every compile probe passed.
The readers use awk rather than a short-circuiting reader on purpose: a
reader that exits at the first match leaves the upstream taking EPIPE, and
under `set -o pipefail` the satisfied case is reported as the failing one.
Deliberately NOT taken from #1138: -D_FORTIFY_SOURCE=2 (a downgrade on the
release platform), -fPIE/-pie (inert under STATIC=1), -fstack-protector-strong
(real but unmeasured cost, and #1138 injected it into SQLite, tree-sitter and
mimalloc -- the indexing hot loop), and the $(shell) probe machinery (~10
compiler spawns per Makefile parse, making the binary a function of the
builder's toolchain).
Co-authored-by: PR9000 <119280965+PR9000@users.noreply.github.com>
Signed-off-by: Martin Vogel <martin.vogel.tech@gmail.com>
scripts/ — the canonical leg entries
The doctrine (enforced, not advisory): a venue may provision a machine;
only a canonical leg script may exercise the product. Local CI, PR CI, the
dry run and the release all call the SAME files below — venues differ only in
host specs, architecture and inputs, never in what a leg does. Platform
differences (arm64 sanitizer flags, native Windows behavior, the Linux portable
binary) live INSIDE these scripts, once, never per-venue.
tests/test_venue_parity_contract.sh (run as Step 0j of every test leg) turns
any violation — inline harness logic in a workflow, a bypassed wrapper, a
missing --help — into a red build.
Every entry answers --help (authoritative, agent-oriented: modes, env, exit
codes) and rejects unknown flags with exit 2 + Please consult --help.
The legs
| leg | entry | what a run gives you |
|---|---|---|
| test | test.sh |
DEFAULT = the venue leg: static contracts (Step 0a–0r) + CLEAN ASan+UBSan build + all suites via the parallel harness + prod-binary guards. --suites a,b = iteration mode (incremental rebuild, subset, seconds). --tsan = the ThreadSanitizer leg. CLANGARM64 gets CI's trap-UBSan flags automatically. |
| package wrappers | ci/test-package-wrappers.sh |
Go, npm, and PyPI runtime-set publication/lock suites on the current host. CI runs the same entry on Linux and Windows so both platform lock implementations gate. |
| build | build.sh |
CLEAN production runtime set (native executable + authenticated integration asset; --with-ui adds one content-addressed UI pack). ccache via env.sh makes repeats fast; CCACHE_COMPILERCHECK=content guarantees a hit is byte-identical to a cold compile — never stale. --version, STATIC=1, BUILD_DIR=. |
| lint | lint.sh |
clang-tidy + cppcheck + clang-format (+ no-skips policy). --ci = the CI gate set (no clang-tidy). Drives the same make targets as make lint/lint-ci. |
| smoke (unix) | smoke-local.sh |
Stages a full release fixture, serves it on a kernel-assigned port, runs smoke-test.sh (ALL phases incl. download/install/update E2E) inside a disposable HOME/XDG/TMP sandbox. ui variant makes a missing verified UI pack a FAILURE. CBM_SMOKE_ARTIFACT_DIR = smoke an extracted release artifact verbatim (release mode). |
| smoke (windows) | ../test-infrastructure/vm/vm-smoke.sh |
Same verified runtime-set contract on the real Windows VM, plus the user-PATH registry guard (prepare/verify/cleanup). |
| smoke-invariants | smoke-invariants.sh |
Production-path resilience battery (MCP handshake, all tools invocable, malformed-input handling, supervised crash/hang recovery) — no fixture server or install E2E. smoke.yml runs an explicitly seam-enabled build on the WIDEST source matrix; release artifacts remain seam-free and use the release-shaped smoke legs above. |
| soak | soak-legs.sh |
The release-gating soak SEQUENCE: quick then query-leak (the #581 detector — never reindexes, so RSS growth = query-path leak), each guarded by a completion-summary check. --legs quick for the ASan single-leg variant. Duration is per leg. |
Internal harnesses — never called directly by a venue (the contract forbids
it): smoke-test.sh (phases; wrappers provide fixture server + sandbox),
soak-test.sh (one soak run; soak-legs.sh provides the sequence + guards),
run-tests-parallel.sh (reached through test.sh).
Conventions
- Exit codes: 0 = pass · 2 = usage error · 90 = guard (a run died without its completion summary — never counts as green) · anything else = the leg's real failure.
- Iteration is a flag, not a side-tool: the fast paths (
--suites,--legs) are modes of the SAME entry the gates run, so a dev loop can never drift from the venue behaviour. - Env sandboxing: the smoke wrappers neutralize every agent-config destination override; a smoke can never scribble on your real config.
Recommended workflows
- Iterating on a change:
scripts/test.sh --suites <suite>(seconds, incremental, same ASan+UBSan flags as the gate). List suites:build/c/test-runner --list-suites. Debugging a Windows-on-ARM trap: re-run withSANITIZE=for a plain build, or use the emulatedwin.sh ubsan-*pair for full diagnostics. - Before any push (the 3-OS ladder):
scripts/test.sh(macOS, full) →./test-infrastructure/run.sh full(Linux + TSan + smoke) →test-infrastructure/vm/win.sh test-par+guards+smoke-install(+soakwhen the change touches memory/daemon paths). - Concurrency-touching change: add
scripts/test.sh --tsanearly — the same leg CI gates on. - Release-shaped verification:
CBM_SMOKE_ARTIFACT_DIR=<extracted artifact> scripts/smoke-local.sh <binary> [ui]smokes exactly what would ship. - A leg is red in CI but green locally: first suspect environment shape,
not code — the preflights (
win.shautomatic;scripts/ci/preflight-docker.sh) andtest-infrastructure/README.md's residuals list cover the knowable differences.
See scripts/ci/README.md for the CI plumbing and
test-infrastructure/README.md for the venue map.