Long string computation crashes Jython

[xiaxinmeng]

See the following example, "X" takes long computation and then it crashes Jython.

test.py

big = 1073741824
type("X" * big, (), {"__slots__": big})

Crash report:

(base) xxm@xxm-System-Product-Name:~/Desktop/IFuzzer/bugs/Jython$ jython 'test.py'
"my" variable $jythonHome masks earlier declaration in same scope at /usr/bin/jython line 15.
Traceback (most recent call last):
File "test.py", line 2, in
type("X" * big, (), {"slots": big})
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.String.(String.java:166)
at org.python.core.PyString.repeat(PyString.java:685)
at org.python.core.PyString.str___mul__(PyString.java:698)
at org.python.core.PyString.mul(PyString.java:690)
at org.python.core.PyObject._basic_mul(PyObject.java:2229)
at org.python.core.PyObject._mul(PyObject.java:2215)
at org.python.pycode._pyx0.f$0(/home/xxm/Desktop/IFuzzer/bugs/Jython/17645.py:2)
at org.python.pycode._pyx0.call_function(/home/xxm/Desktop/IFuzzer/bugs/Jython/17645.py)
at org.python.core.PyTableCode.call(PyTableCode.java:165)
at org.python.core.PyCode.call(PyCode.java:18)
at org.python.core.Py.runCode(Py.java:1275)
at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:235)
at org.python.util.jython.run(jython.java:247)
at org.python.util.jython.main(jython.java:129)

java.lang.OutOfMemoryError: java.lang.OutOfMemoryError: Java heap space

The expected output:

OverflowError

System:

Ubuntu 16.04
Jython 2.5.3
OpenJDK 64-Bit Server VM (Private Build) on java1.8.0_292

[xiaxinmeng]

Again, this case crashes Jython master (Jython 2.7.3a1-DEV) with the same OutOfMemoryError.