containerd/remotes/docker/converter_fuzz.go
Kazuyoshi Kato f91616e45e Copy FuzzConvertManifest from cncf/cncf-fuzzing
This test is one of the noisiest and should be moved from
cncf/cncf-fuzzing first.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
2022-06-20 23:34:23 +00:00

57 lines
1.4 KiB
Go

//go:build gofuzz
// +build gofuzz
/*
Copyright The containerd 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 docker
import (
"context"
"os"
fuzz "github.com/AdaLogics/go-fuzz-headers"
"github.com/containerd/containerd/content/local"
"github.com/containerd/containerd/log"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/sirupsen/logrus"
)
func FuzzConvertManifest(data []byte) int {
ctx := context.Background()
// Do not log the message below
// level=warning msg="do nothing for media type: ..."
log.G(ctx).Logger.SetLevel(logrus.PanicLevel)
f := fuzz.NewConsumer(data)
desc := ocispec.Descriptor{}
err := f.GenerateStruct(&desc)
if err != nil {
return 0
}
tmpdir, err := os.MkdirTemp("", "fuzzing-")
if err != nil {
return 0
}
cs, err := local.NewStore(tmpdir)
if err != nil {
return 0
}
_, _ = ConvertManifest(ctx, cs, desc)
return 1
}