github.com/neatlab/neatio@v1.7.3-0.20220425043230-d903e92fcc75/chain/core/vm/runtime/fuzz.go (about)

     1  //go:build gofuzz
     2  // +build gofuzz
     3  
     4  package runtime
     5  
     6  // Fuzz is the basic entry point for the go-fuzz tool
     7  //
     8  // This returns 1 for valid parsable/runable code, 0
     9  // for invalid opcode.
    10  func Fuzz(input []byte) int {
    11  	_, _, err := Execute(input, input, &Config{
    12  		GasLimit: 3000000,
    13  	})
    14  
    15  	// invalid opcode
    16  	if err != nil && len(err.Error()) > 6 && string(err.Error()[:7]) == "invalid" {
    17  		return 0
    18  	}
    19  
    20  	return 1
    21  }