A fuzzed server hello message causes an NPE during handshake:

Exception in thread "main" java.lang.NullPointerException: Cannot read field "isAvailable" because "cct" is null
at java.base/sun.security.ssl.CertificateRequest$ClientCertificateType.getKeyTypes(CertificateRequest.java:138)
at java.base/sun.security.ssl.CertificateRequest$T12CertificateRequestMessage.getKeyTypes(CertificateRequest.java:518)
at java.base/sun.security.ssl.CertificateRequest$T12CertificateRequestConsumer.choosePossession(CertificateRequest.java:756)
at java.base/sun.security.ssl.CertificateRequest$T12CertificateRequestConsumer.consume(CertificateRequest.java:733)
at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:396)
at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:480)
at java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask$DelegatedAction.run(SSLEngineImpl.java:1273)
at java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask$DelegatedAction.run(SSLEngineImpl.java:1260)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
at java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask.run(SSLEngineImpl.java:1205)
at SSLEngineClientReadFile.runDelegatedTasks(SSLEngineClientReadFile.java:121)
at SSLEngineClientReadFile.runDemo(SSLEngineClientReadFile.java:94)
at SSLEngineClientReadFile.main(SSLEngineClientReadFile.java:45)