78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// +build gofuzz
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fuzz
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import (
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"bytes"
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"context"
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fuzz "github.com/AdaLogics/go-fuzz-headers"
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"github.com/containerd/containerd"
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_ "github.com/containerd/containerd/cmd/containerd"
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"github.com/containerd/containerd/cmd/containerd/command"
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"github.com/containerd/containerd/namespaces"
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)
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const (
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defaultRoot = "/var/lib/containerd"
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defaultState = "/tmp/containerd"
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defaultAddress = "/tmp/containerd/containerd.sock"
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)
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func init() {
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args := []string{"--log-level", "debug"}
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go func() {
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// This is similar to invoking the
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// containerd binary.
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// See contrib/fuzz/oss_fuzz_build.sh
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// for more info.
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command.StartDaemonForFuzzing(args)
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}()
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}
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func fuzzContext() (context.Context, context.CancelFunc) {
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ctx, cancel := context.WithCancel(context.Background())
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ctx = namespaces.WithNamespace(ctx, "fuzzing-namespace")
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return ctx, cancel
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}
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func FuzzContainerdImport(data []byte) int {
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client, err := containerd.New(defaultAddress)
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if err != nil {
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return 0
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}
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defer client.Close()
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f := fuzz.NewConsumer(data)
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noOfImports, err := f.GetInt()
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if err != nil {
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return 0
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}
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maxImports := 20
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ctx, cancel := fuzzContext()
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defer cancel()
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for i := 0; i < noOfImports%maxImports; i++ {
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tarBytes, err := f.GetBytes()
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if err != nil {
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return 0
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}
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_, _ = client.Import(ctx, bytes.NewReader(tarBytes))
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}
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return 1
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}
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