suoyi123wang

Infinit Loop

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### Describe the bug There is infinit loop in method `searchValueBlock` whose class is `io.questdb.cairo.BitmapIndexUtils` ### To reproduce Here is the test case: Here is the source code: And the...

fix possible ArithmeticException

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in method com.itextpdf.text.pdf.crypto.ARCFOUREncryption.prepareARCFOURKey The parameter len is used as a divisor, but it is not checked in advance whether it is zero, and it is likely to trigger ArithmeticException

Test failure: ClassCastException In DateRenderer

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for this toString method in picture below [  ](url) when the type of first parameter is not Calendar or Date, there will be ClassCastException; So when cast to Date,...

the unit test case we generated failed:   maybe you should consider the case where the array is null.

if batchFileLine is empty, it will throw StringIndexOutOfBoundsException when calling substring(0,-1); [  ](url)

Judge the length of sqlState before using `String conditionClass = sqlState.substring(0, 2);` otherwise it will throw StringIndexOutOfBoundsException

NegativeArraySizeException

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The negativeArraySizeException in method `poll` of class `org.zeromq.ZMQ` occurred. Here is my test case: The source code is