Issue related to backport JDK-7092821

[Valerie Peng]

I will take a look. For bug management, we need to file a separate issue 
to keep track of this and mark it for backport.

Valerie

On 9/17/2019 12:46 PM, Shi, Tianmin wrote:
>
> Hi Everyone,
>
>   This is Tianmin Shi from the Amazon Corretto team. I am new to JDK 
> development, please let me know if I missed anything.
>
>   I am working on backport JDK-7092821 
> <https://bugs.openjdk.java.net/browse/JDK-7092821> to 8u and 11u. 
> however I think there is a potential race condition introduced by the 
> change, which could cause method getService in class 
> java.security.Provider to return incorrect results. Which is due to 
> the read of legacyMap at line 1260 is not synchronized with clear and 
> repopulate of the same map’s entries inside ensureLegacyParsed(), the 
> fix is a simpler one liner in the attached webrev. Can we push this 
> change to tip so I can backport it with JDK-7092821 
> <https://bugs.openjdk.java.net/browse/JDK-7092821> together?
>
> Thank you
>
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