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8223174: Pattern.compile() can throw confusing NegativeArraySizeException

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Reviewed-by: martin
This commit is contained in:
Ivan Gerasimov 2019-05-03 23:00:07 -07:00
parent a8e13a5839
commit b7ea7e93aa
2 changed files with 49 additions and 1 deletions
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8
src/java.base/share/classes/java/util/regex/Pattern.java
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@ -1678,7 +1678,13 @@ loop: for(int x=0, offset=0; x<nCodePoints; x++, offset+=len) {
return;
int j = i;
i += 2;
int[] newtemp = new int[j + 3*(pLen-i) + 2];
int newTempLen;
try {
newTempLen = Math.addExact(j + 2, Math.multiplyExact(3, pLen - i));
} catch (ArithmeticException ae) {
throw new OutOfMemoryError();
}
int[] newtemp = new int[newTempLen];
System.arraycopy(temp, 0, newtemp, 0, j);
boolean inQuote = true;