containerd/contrib/fuzz/fuzz_images.go
Kazuyoshi Kato e9e33f847d Copy fuzzers from github.com/cncf/cncf-fuzzing
This commit copies the fuzzers from the repository except for
containerd_import_structured_fuzzer.go.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
2022-07-06 15:21:48 +00:00

47 lines
1.3 KiB
Go

// Copyright 2021 ADA Logics Ltd
//
// 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 fuzz
import (
"context"
"os"
fuzz "github.com/AdaLogics/go-fuzz-headers"
"github.com/containerd/containerd/content/local"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/platforms"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
func FuzzImagesCheck(data []byte) int {
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
}
_, _, _, _, _ = images.Check(context.Background(), cs, desc, platforms.Default())
return 1
}