1 files changed, 41 insertions, 0 deletions
diff --git a/sanitizers/src/test/java/com/example/RegexCanonEqInjection.java b/sanitizers/src/test/java/com/example/RegexCanonEqInjection.java
new file mode 100644
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+++ b/sanitizers/src/test/java/com/example/RegexCanonEqInjection.java
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+// Copyright 2022 Code Intelligence GmbH
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.example;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+public class RegexCanonEqInjection {
+  public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+    String input = data.consumeRemainingAsString();
+    try {
+      Pattern.compile(Pattern.quote(input), Pattern.CANON_EQ);
+    } catch (PatternSyntaxException ignored) {
+    } catch (IllegalArgumentException ignored) {
+      // "[媼" generates an IllegalArgumentException but only on Windows using
+      // Java 8. We ignore this for now.
+      //
+      // java.lang.IllegalArgumentException
+      //	at java.lang.AbstractStringBuilder.appendCodePoint(AbstractStringBuilder.java:800)
+      //	at java.lang.StringBuilder.appendCodePoint(StringBuilder.java:240)
+      //	at java.util.regex.Pattern.normalizeCharClass(Pattern.java:1430)
+      //	at java.util.regex.Pattern.normalize(Pattern.java:1396)
+      //	at java.util.regex.Pattern.compile(Pattern.java:1665)
+      //	at java.util.regex.Pattern.<init>(Pattern.java:1352)
+      //	at java.util.regex.Pattern.compile(Pattern.java:1054)
+    }
+  }
+}