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C backend: fix array of of bounds access in fibers

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This commit is contained in:
Alexey Andreev 2019-04-26 12:41:17 +03:00
parent 8cd96d2da2
commit 87656a3e9a
1 changed files with 2 additions and 2 deletions
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4
core/src/main/java/org/teavm/runtime/Fiber.java
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@ -81,7 +81,7 @@ public class Fiber {
public void push(double value) { public void push(double value) {
if (doubleValues == null) { if (doubleValues == null) {
doubleValues = new double[4]; doubleValues = new double[4];
} else if (doubleTop + 4 == doubleValues.length) { } else if (doubleTop + 1 == doubleValues.length) {
doubleValues = Arrays.copyOf(doubleValues, doubleValues.length * 3 / 2); doubleValues = Arrays.copyOf(doubleValues, doubleValues.length * 3 / 2);
} }
doubleValues[doubleTop++] = value; doubleValues[doubleTop++] = value;
@ -90,7 +90,7 @@ public class Fiber {
public void push(Object value) { public void push(Object value) {
if (objectValues == null) { if (objectValues == null) {
objectValues = new Object[4]; objectValues = new Object[4];
} else if (objectTop + 4 == objectValues.length) { } else if (objectTop + 1 == objectValues.length) {
objectValues = Arrays.copyOf(objectValues, objectValues.length * 3 / 2); objectValues = Arrays.copyOf(objectValues, objectValues.length * 3 / 2);
} }
objectValues[objectTop++] = value; objectValues[objectTop++] = value;