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yaronf merged 2 commits into from
Sep 5, 2026
Merged

Improve fuzz suite: unique names, richer seeds, CI smoke #23

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Improve fuzz suite: unique names, richer seeds, CI smoke
yaronf Sep 4, 2026
b4118fd
docs: record 8h fuzz soak results and corpus coverage
yaronf Sep 5, 2026
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22 changes: 22 additions & 0 deletions .github/workflows/test.yml
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Expand Up @@ -15,3 +15,25 @@ jobs:
cache: false
- name: Test
run: go test ./...

fuzz:
runs-on: ubuntu-latest
env:
GOTOOLCHAIN: local
steps:
- name: Checkout code
uses: actions/checkout@v6
- name: Install Go
uses: actions/setup-go@v6
with:
go-version: '1.27'
cache: false
- name: Fuzz smoke
# Short per-target budget (~75s total). See internal-docs/FUZZ.md.
run: |
set -euo pipefail
for target in FuzzVerifyRequest FuzzVerifyViaMessage FuzzSignAndVerifyHMAC FuzzHMACViaMessage FuzzNewMessage; do
echo "::group::fuzz $target"
go test -run='^$' -fuzz="$target" -fuzztime=15s .
echo "::endgroup::"
done
2 changes: 1 addition & 1 deletion CLAUDE.md
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Expand Up @@ -61,7 +61,7 @@ Optional foreign JWS uses `lestrrat-go/jwx/v4` via `NewJWSSigner` / `NewJWSVerif
### Testing conventions

- `signatures_test.go` contains the full RFC 9421 test vector suite (134 KB) — do not modify without understanding the spec.
- `fuzz_test.go` has fuzz entry points; seed corpus lives in `testdata/fuzz/`.
- `fuzz_test.go` has fuzz entry points (`FuzzVerifyRequest`, `FuzzVerifyViaMessage`, `FuzzSignAndVerifyHMAC`, `FuzzHMACViaMessage`, `FuzzNewMessage`); see [internal-docs/FUZZ.md](internal-docs/FUZZ.md). Seed corpus: `f.Add` plus optional `testdata/fuzz/`.
- `http2_test.go` and `trailer_test.go` cover HTTP/2 and trailer-header edge cases.
- Tests use `github.com/stretchr/testify` assertions and `github.com/andreyvit/diff` for readable diffs.

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