1 // Copyright 2022 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 java.util.regex.Pattern; 19 import java.util.regex.PatternSyntaxException; 20 21 public class RegexCanonEqInjection { fuzzerTestOneInput(FuzzedDataProvider data)22 public static void fuzzerTestOneInput(FuzzedDataProvider data) { 23 String input = data.consumeRemainingAsString(); 24 try { 25 Pattern.compile(Pattern.quote(input), Pattern.CANON_EQ); 26 } catch (PatternSyntaxException ignored) { 27 } catch (IllegalArgumentException ignored) { 28 // "[媼" generates an IllegalArgumentException but only on Windows using 29 // Java 8. We ignore this for now. 30 // 31 // java.lang.IllegalArgumentException 32 // at java.lang.AbstractStringBuilder.appendCodePoint(AbstractStringBuilder.java:800) 33 // at java.lang.StringBuilder.appendCodePoint(StringBuilder.java:240) 34 // at java.util.regex.Pattern.normalizeCharClass(Pattern.java:1430) 35 // at java.util.regex.Pattern.normalize(Pattern.java:1396) 36 // at java.util.regex.Pattern.compile(Pattern.java:1665) 37 // at java.util.regex.Pattern.<init>(Pattern.java:1352) 38 // at java.util.regex.Pattern.compile(Pattern.java:1054) 39 } 40 } 41 } 42