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FROM golang:1.16-buster as builder | ||
RUN set -eux; \ | ||
apt-get update \ | ||
&& apt-get upgrade -y \ | ||
&& apt-get install -y \ | ||
clang \ | ||
curl \ | ||
vim | ||
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RUN git clone https://github.com/fluxcd/pkg /workspace | ||
RUN mkdir /workspace/fuzzing | ||
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RUN go get -u github.com/dvyukov/go-fuzz/go-fuzz@latest github.com/dvyukov/go-fuzz/go-fuzz-build@latest | ||
RUN go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest | ||
RUN go get github.com/AdaLogics/go-fuzz-headers | ||
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RUN go get golang.org/x/sync | ||
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WORKDIR /workspace/fuzzing | ||
COPY fuzz.go /workspace/fuzzing/ | ||
COPY conditions_fuzzer.go /workspace/runtime/conditions/ | ||
COPY tls_fuzzer.go /workspace/runtime/tls/ | ||
RUN cd /workspace/fuzzing && go mod init fuzzing && go mod tidy && go mod download && go mod tidy | ||
RUN go mod download && go mod tidy | ||
RUN go mod download github.com/dvyukov/go-fuzz | ||
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# Build the fuzzers | ||
RUN mkdir /fuzzers | ||
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RUN go-fuzz-build -libfuzzer -func=FuzzUntar\ | ||
&& clang -o /fuzzers/FuzzUntar reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
RUN go-fuzz-build -libfuzzer -func=FuzzLibGit2Error\ | ||
&& clang -o /fuzzers/FuzzLibGit2Error reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
RUN go-fuzz-build -libfuzzer -func=FuzzEventInfof\ | ||
&& clang -o /fuzzers/FuzzEventInfof reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
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WORKDIR /workspace/runtime/tls | ||
RUN go get github.com/AdaLogics/go-fuzz-headers | ||
RUN go get github.com/dvyukov/go-fuzz/go-fuzz-dep | ||
RUN go-fuzz-build -libfuzzer -func=FuzzTlsConfig\ | ||
&& clang -o /fuzzers/FuzzTlsConfig reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
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WORKDIR /workspace/runtime/conditions | ||
RUN go-fuzz-build -libfuzzer -func=FuzzGetterConditions\ | ||
&& clang -o /fuzzers/FuzzGetterConditions reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
RUN go-fuzz-build -libfuzzer -func=FuzzConditionsMatch\ | ||
&& clang -o /fuzzers/FuzzConditionsMatch reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
RUN go-fuzz-build -libfuzzer -func=FuzzPatchApply\ | ||
&& clang -o /fuzzers/FuzzPatchApply reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
RUN go-fuzz-build -libfuzzer -func=FuzzConditionsUnstructured\ | ||
&& clang -o /fuzzers/FuzzConditionsUnstructured reflect-fuzz.a \ | ||
-fsanitize=fuzzer | ||
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#RUN /fuzzers/FuzzLibGit2Error |
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package conditions | ||
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import ( | ||
fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
"github.com/fluxcd/pkg/runtime/conditions/testdata" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
) | ||
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func FuzzGetterConditions(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
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noOfConditions, err := f.GetInt() | ||
if err != nil { | ||
return 0 | ||
} | ||
maxNoOfConditions := 30 | ||
conditions := make([]metav1.Condition, 0) | ||
for i := 0; i < noOfConditions%maxNoOfConditions; i++ { | ||
c := metav1.Condition{} | ||
err = f.GenerateStruct(&c) | ||
if err != nil { | ||
return 0 | ||
} | ||
conditions = append(conditions, c) | ||
} | ||
obj := &testdata.Fake{} | ||
obj.SetConditions(conditions) | ||
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targetCondition, err := f.GetString() | ||
if err != nil { | ||
return 0 | ||
} | ||
SetSummary(obj, targetCondition) | ||
return 1 | ||
} | ||
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func FuzzConditionsMatch(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
condition := metav1.Condition{} | ||
err := f.GenerateStruct(&condition) | ||
if err != nil { | ||
return 0 | ||
} | ||
m := MatchCondition(condition) | ||
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actual := metav1.Condition{} | ||
err = f.GenerateStruct(&actual) | ||
if err != nil { | ||
return 0 | ||
} | ||
_, _ = m.Match(actual) | ||
return 1 | ||
} | ||
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func newGetter(f *fuzz.ConsumeFuzzer) (Getter, error) { | ||
obj := &testdata.Fake{} | ||
noOfConditions, err := f.GetInt() | ||
if err != nil { | ||
return obj, err | ||
} | ||
maxNoOfConditions := 30 | ||
conditions := make([]metav1.Condition, 0) | ||
for i := 0; i < noOfConditions%maxNoOfConditions; i++ { | ||
c := metav1.Condition{} | ||
err = f.GenerateStruct(&c) | ||
if err != nil { | ||
return obj, err | ||
} | ||
conditions = append(conditions, c) | ||
} | ||
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obj.SetConditions(conditions) | ||
return obj, nil | ||
} | ||
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func newSetter(f *fuzz.ConsumeFuzzer) (Setter, error) { | ||
obj := &testdata.Fake{} | ||
noOfConditions, err := f.GetInt() | ||
if err != nil { | ||
return obj, err | ||
} | ||
maxNoOfConditions := 30 | ||
conditions := make([]metav1.Condition, 0) | ||
for i := 0; i < noOfConditions%maxNoOfConditions; i++ { | ||
c := metav1.Condition{} | ||
err = f.GenerateStruct(&c) | ||
if err != nil { | ||
return obj, err | ||
} | ||
conditions = append(conditions, c) | ||
} | ||
obj.SetConditions(conditions) | ||
return obj, nil | ||
} | ||
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func FuzzPatchApply(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
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before, err := newGetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
after, err := newGetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
patch := NewPatch(before, after) | ||
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setter, err := newSetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
_ = patch.Apply(setter) | ||
return 1 | ||
} | ||
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func FuzzConditionsUnstructured(data []byte) int { | ||
u := &unstructured.Unstructured{} | ||
f := fuzz.NewConsumer(data) | ||
err := f.GenerateStruct(u) | ||
if err != nil { | ||
return 0 | ||
} | ||
g := UnstructuredGetter(u) | ||
_ = g.GetConditions() | ||
return 1 | ||
} |
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package fuzzing | ||
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import ( | ||
"bytes" | ||
"encoding/json" | ||
"errors" | ||
fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
"github.com/fluxcd/pkg/gitutil" | ||
"github.com/fluxcd/pkg/runtime/events" | ||
"github.com/fluxcd/pkg/untar" | ||
"io" | ||
corev1 "k8s.io/api/core/v1" | ||
"net/http" | ||
"net/http/httptest" | ||
"os" | ||
) | ||
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func FuzzUntar(data []byte) int { | ||
r := bytes.NewReader(data) | ||
tmpDir, err := os.MkdirTemp("", "dir-") | ||
if err != nil { | ||
return 0 | ||
} | ||
defer os.RemoveAll(tmpDir) | ||
_, _ = untar.Untar(r, tmpDir) | ||
return 1 | ||
} | ||
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func FuzzLibGit2Error(data []byte) int { | ||
err := errors.New(string(data)) | ||
_ = gitutil.LibGit2Error(err) | ||
return 1 | ||
} | ||
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func FuzzEventInfof(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
b, err := io.ReadAll(r.Body) | ||
if err != nil { | ||
return | ||
} | ||
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var payload events.Event | ||
err = json.Unmarshal(b, &payload) | ||
if err != nil { | ||
return | ||
} | ||
})) | ||
defer ts.Close() | ||
eventRecorder, err := events.NewRecorder(ts.URL, "test-controller") | ||
if err != nil { | ||
return 0 | ||
} | ||
eventRecorder.Client.RetryMax = 2 | ||
obj := corev1.ObjectReference{} | ||
err = f.GenerateStruct(&obj) | ||
if err != nil { | ||
return 0 | ||
} | ||
severity, err := f.GetString() | ||
if err != nil { | ||
return 0 | ||
} | ||
reason, err := f.GetString() | ||
if err != nil { | ||
return 0 | ||
} | ||
_ = eventRecorder.EventInfof(obj, nil, severity, reason, obj.Name) | ||
return 1 | ||
} |
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package tls | ||
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import ( | ||
fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
corev1 "k8s.io/api/core/v1" | ||
) | ||
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func FuzzTlsConfig(data []byte) int { | ||
secret := &corev1.Secret{} | ||
f := fuzz.NewConsumer(data) | ||
err := f.GenerateStruct(secret) | ||
if err != nil { | ||
return 0 | ||
} | ||
_, _ = ConfigFromSecret(secret) | ||
return 1 | ||
} |