1 // Copyright 2023 Code Intelligence GmbH 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package com.example 16 17 import com.code_intelligence.jazzer.api.FuzzedDataProvider 18 import com.code_intelligence.jazzer.api.FuzzerSecurityIssueMedium 19 20 object ExampleKotlinValueProfileFuzzer { 21 22 @JvmStatic fuzzerTestOneInputnull23 fun fuzzerTestOneInput(data: FuzzedDataProvider) { 24 if (data.consumeInt().compareTo(0x11223344) != 0) { 25 return 26 } 27 if (encrypt(data.consumeLong()).compareTo(5788627691251634856) == 0 && 28 encrypt(data.consumeLong()).compareTo(6293579535917519017) == 0 29 ) { 30 throw FuzzerSecurityIssueMedium("Jazzer can handle integral comparisons in Kotlin") 31 } 32 } 33 encryptnull34 private fun encrypt(n: Long): Long { 35 return n.xor(0x1122334455667788) 36 } 37 } 38