OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47657
Crash type: Uncaught exception
Crash state:
com.ctc.wstx.dtd.FullDTDReader.readContentSpec
java.base/java.lang.StringUTF16.checkBoundsOffCount
java.base/java.lang.StringUTF16.getChars