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Signed-off-by: AdamKorcz <adam@adalogics.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // +build gofuzz | ||
|
|
||
| package libcontainer | ||
|
|
||
| import ( | ||
| "os" | ||
|
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||
| gofuzzheaders "github.com/AdaLogics/go-fuzz-headers" | ||
| "github.com/opencontainers/runc/libcontainer/configs" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
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| func FuzzStateApi(data []byte) int { | ||
| // We do not want any log output: | ||
| logrus.SetLevel(logrus.PanicLevel) | ||
|
|
||
| if len(data) < 4 { | ||
| return -1 | ||
| } | ||
|
|
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| // Create the root dir: | ||
| root, err := newTestRoot() | ||
| if err != nil { | ||
| return -1 | ||
| } | ||
| defer os.RemoveAll(root) | ||
|
|
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| // Create a fuzzconsumer for later user | ||
| c := gofuzzheaders.NewConsumer(data) | ||
|
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| // Create a config | ||
| config := new(configs.Config) | ||
| c.GenerateStruct(config) | ||
| config.Rootfs = root | ||
|
|
||
| // Add Namespaces: | ||
| ns, err := c.GetInt() | ||
| if err != nil { | ||
| return -1 | ||
| } | ||
| if (ns % 3) == 0 { | ||
| config.Namespaces = configs.Namespaces( | ||
| []configs.Namespace{ | ||
| {Type: configs.NEWUTS}, | ||
| }, | ||
| ) | ||
| } else if (ns % 4) == 0 { | ||
| config.Namespaces = configs.Namespaces( | ||
| []configs.Namespace{ | ||
| {Type: configs.NEWNS}, | ||
| }, | ||
| ) | ||
| } else { | ||
| config.Namespaces = []configs.Namespace{} | ||
| } | ||
|
|
||
| // Create container: | ||
| containerName, err := c.GetString() | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| container, err := newContainerWithName(containerName, root, config) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| defer container.Destroy() | ||
|
|
||
| // Fuzz container APIs: | ||
| _, _ = container.State() | ||
| _, _ = container.Stats() | ||
| _, _ = container.OCIState() | ||
| _, _ = container.Processes() | ||
| return 1 | ||
| } | ||
|
|
||
| func newContainerWithName(name, root string, config *configs.Config) (Container, error) { | ||
| f, err := New(root, Cgroupfs) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if config.Cgroups != nil && config.Cgroups.Parent == "system.slice" { | ||
| f, err = New(root, SystemdCgroups) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| return f.Create(name, config) | ||
| } | ||
|
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||
| func newTestRoot() (string, error) { | ||
| dir := "/tmp/fuzzing" | ||
| if err := os.MkdirAll(dir, 0700); err != nil { | ||
| return "", err | ||
| } | ||
| return dir, nil | ||
| } |
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