-
Notifications
You must be signed in to change notification settings - Fork 90
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: AdamKorcz <adam@adalogics.com>
- Loading branch information
Showing
4 changed files
with
348 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,62 @@ | ||
FROM golang:1.16-buster as builder | ||
RUN set -eux; \ | ||
apt-get update \ | ||
&& apt-get upgrade -y \ | ||
&& apt-get install -y \ | ||
clang \ | ||
curl \ | ||
vim | ||
|
||
RUN git clone https://github.com/fluxcd/pkg /workspace | ||
RUN mkdir /workspace/fuzzing | ||
|
||
|
||
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 | ||
|
||
RUN go get golang.org/x/sync | ||
|
||
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 github.com/dvyukov/go-fuzz | ||
|
||
|
||
# Build the fuzzers | ||
RUN mkdir /fuzzers | ||
|
||
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 | ||
|
||
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 | ||
|
||
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 | ||
|
||
#RUN /fuzzers/FuzzLibGit2Error |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,161 @@ | ||
//go:build gofuzz | ||
// +build gofuzz | ||
|
||
/* | ||
Copyright 2021 The Flux authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
package conditions | ||
|
||
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" | ||
) | ||
|
||
// FuzzGetterConditions implements a fuzzer that | ||
// targets SetSummary() | ||
func FuzzGetterConditions(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
|
||
// Create slice of metav1.Condition | ||
noOfConditions, err := f.GetInt() | ||
if err != nil { | ||
return 0 | ||
} | ||
maxNoOfConditions := 30 | ||
conditions := make([]metav1.Condition, 0) | ||
|
||
// Add Conditions in the slice | ||
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) | ||
|
||
targetCondition, err := f.GetString() | ||
if err != nil { | ||
return 0 | ||
} | ||
|
||
// Call the target | ||
SetSummary(obj, targetCondition) | ||
return 1 | ||
} | ||
|
||
// FuzzConditionsMatch implements a fuzzer that | ||
// that targets Match() | ||
func FuzzConditionsMatch(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
condition := metav1.Condition{} | ||
err := f.GenerateStruct(&condition) | ||
if err != nil { | ||
return 0 | ||
} | ||
m := MatchCondition(condition) | ||
|
||
actual := metav1.Condition{} | ||
err = f.GenerateStruct(&actual) | ||
if err != nil { | ||
return 0 | ||
} | ||
|
||
// Call the target | ||
_, _ = m.Match(actual) | ||
return 1 | ||
} | ||
|
||
// newGetter allows the fuzzer to create a Getter | ||
// This is just a utility | ||
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) | ||
} | ||
|
||
obj.SetConditions(conditions) | ||
return obj, nil | ||
} | ||
|
||
// newSetter allows the fuzzer to create a Setter | ||
// This is just a utility | ||
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 | ||
} | ||
|
||
// FuzzPatchApply implements a fuzzer that targets patch.Apply | ||
func FuzzPatchApply(data []byte) int { | ||
f := fuzz.NewConsumer(data) | ||
|
||
before, err := newGetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
after, err := newGetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
patch := NewPatch(before, after) | ||
|
||
setter, err := newSetter(f) | ||
if err != nil { | ||
return 0 | ||
} | ||
_ = patch.Apply(setter) | ||
return 1 | ||
} | ||
|
||
// FuzzConditionsUnstructured implements a fuzzer | ||
// that targets GetConditions() | ||
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 | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,91 @@ | ||
//go:build gofuzz | ||
// +build gofuzz | ||
|
||
/* | ||
Copyright 2021 The Flux authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
package fuzzing | ||
|
||
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" | ||
) | ||
|
||
// FuzzUntar implements a fuzzer that | ||
// targets untar.Untar() | ||
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 | ||
} | ||
|
||
// FuzzLibGit2Error implements a fuzzer that | ||
// targets gitutil.LibGit2Error | ||
func FuzzLibGit2Error(data []byte) int { | ||
err := errors.New(string(data)) | ||
_ = gitutil.LibGit2Error(err) | ||
return 1 | ||
} | ||
|
||
// FuzzEventInfof implements a fuzzer that | ||
// targets eventRecorder.EventInfof() | ||
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 | ||
} | ||
|
||
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 | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,34 @@ | ||
//go:build gofuzz | ||
// +build gofuzz | ||
|
||
/* | ||
Copyright 2021 The Flux authors | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
package tls | ||
|
||
import ( | ||
fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
corev1 "k8s.io/api/core/v1" | ||
) | ||
|
||
// FuzzTlsConfig implements a fuzzer that | ||
// targets ConfigFromSecret() | ||
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 | ||
} |