NPE in SupportedGroupsExtension

[Jamil Nimeh]

Hi Thomas,

This is a known issue captured in JDK-8210334 and the fix for it was 
committed to JDK 12 a few days ago.  Looks like the backport of the fix 
is planned for 11.0.2.  The backport ID is JDK-8210445 in case you're 
interested.

--Jamil

On 9/9/2018 2:44 PM, Thomas Lußnig wrote:
> Hi,
>
> i found another bug with firefox nigthly "64.0a1 (2018-09-08) 
> (64-bit)" and "OpenJDK Runtime Environment 18.9 (build 11+28)".
> It is not possible to establish an connection. The exception i receive 
> is "pre_shared_key key extension is offered without a 
> psk_key_exchange_modes extension".
> If there is an PSK without an matching extension this should not kill 
> the connection i think. Nearly all other server accept this.
>
> Gruß Thomas Lußnig
>
> javax.net.ssl.SSLHandshakeException: pre_shared_key key extension is 
> offered without a psk_key_exchange_modes extension
>
>     at 
> java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)
>     at 
> java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
>     at 
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)
>     at 
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:264)
>     at 
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:255)
>     at 
> java.base/sun.security.ssl.PskKeyExchangeModesExtension$PskKeyExchangeModesOnTradeAbsence.absent(PskKeyExchangeModesExtension.java:327)
>     at 
> java.base/sun.security.ssl.SSLExtension.absentOnTrade(SSLExtension.java:572)
>     at 
> java.base/sun.security.ssl.SSLExtensions.consumeOnTrade(SSLExtensions.java:180)
>     at 
> java.base/sun.security.ssl.ServerHello$T13ServerHelloProducer.produce(ServerHello.java:522)
>     at 
> java.base/sun.security.ssl.SSLHandshake.produce(SSLHandshake.java:436)
>     at 
> java.base/sun.security.ssl.ClientHello$T13ClientHelloConsumer.goServerHello(ClientHello.java:1189)
>     at 
> java.base/sun.security.ssl.ClientHello$T13ClientHelloConsumer.consume(ClientHello.java:1125)
>     at 
> java.base/sun.security.ssl.ClientHello$ClientHelloConsumer.onClientHello(ClientHello.java:831)
>     at 
> java.base/sun.security.ssl.ClientHello$ClientHelloConsumer.consume(ClientHello.java:792)
>     at 
> java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:392)
>     at 
> java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:444)
>     at 
> java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask$DelegatedAction.run(SSLEngineImpl.java:1065)
>     at 
> java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask$DelegatedAction.run(SSLEngineImpl.java:1052)
>     at java.base/java.security.AccessController.doPrivileged(Native 
> Method)
>     at 
> java.base/sun.security.ssl.SSLEngineImpl$DelegatedTask.run(SSLEngineImpl.java:999)
>