[OpenJDK 2D-Dev] [9] RFR JDK-8166685: We should unpin stream and pixel buffer in case of setjmp during writeImage in JPEG.

[Philip Race]

+1

-phil.

On 9/26/16, 12:35 AM, Jayathirth D V wrote:
>
> Hi,
>
> Please review the following fix in JDK9 at your convenience:
>
> Bug : https://bugs.openjdk.java.net/browse/JDK-8166685
>
> Webrev : http://cr.openjdk.java.net/~jdv/8166685/webrev.00/ 
> <http://cr.openjdk.java.net/%7Ejdv/8166685/webrev.00/>
>
> Issue : As part of fix for JDK- 8162461 we removed RELEASE_ARRAYS() in 
> writeImage() call in imageioJPEG.c for setjmp case.
>
> Root cause : We can perform non-local jump to setjmp from longjmp 
> during anytime in write process. If there is no RELEASE_ARRAYS() call 
> then it might crash JVM as it was happening in JDK- 8162461.
>
> Solution : We should have RELEASE_ARRAYS() call in setjmp case for 
> writeImage() in imageioJPEG.c.
>
> Thanks,
>
> Jay
>
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