core/vm/runtime/fuzz.go


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// +build gofuzz

package runtime

// Fuzz is the basic entry point for the go-fuzz tool
//
// This returns 1 for valid parsable/runable code, 0
// for invalid opcode.
func Fuzz(input []byte) int {
    _, _, err := Execute(input, input, &Config{
        GasLimit: 3000000,
    })

    // invalid opcode
    if err != nil && len(err.Error()) > 6 && string(err.Error()[:7]) == "invalid" {
        return 0
    }

    return 1
}