[OpenJDK 2D-Dev] [9] JDK-8176287 :[macosx] The print test crashed with Nimbus L&F (original) (raw)
Prasanta Sadhukhan prasanta.sadhukhan at oracle.com
Mon Mar 13 06:49:38 UTC 2017
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Hi All,
Please review a jck print test crash fix for jdk9. The issue was seen with only Nimbus L&F which seems to use Linear gradient path and not in other L&F (such as Aqua) .
Bug: https://bugs.openjdk.java.net/browse/JDK-8176287 webrev: http://cr.openjdk.java.net/~psadhukhan/8176287/webrev.00/
Linear Gradient path collects the gradient colors and fractions values in native obtained from Java and allocates several arrays to store the same in setupGradient() method. It seems even after being freed, in subsequent call to the same gradient path routine, it may get the same allocated pointer the next time the array is allocated causing it to crash citing "memory being modified after freed".
Optimise setupGradient() method to allocate fewer pointer. The JCK test works now. Also, the JDK-8162796 testcase LinearGradientPrintingTest and RadialGradientPrintingTest works with this optimisation.
Regards Prasanta
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