greyp9 commented on a change in pull request #5420:
URL: https://github.com/apache/nifi/pull/5420#discussion_r718567092
##########
File path:
nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-services-bundle/nifi-distributed-cache-server/src/main/java/org/apache/nifi/distributed/cache/server/map/MapCacheServer.java
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@@ -251,10 +251,17 @@ protected void finalize() throws Throwable {
}
private byte[] readValue(final DataInputStream dis) throws IOException {
- final int numBytes = dis.readInt();
+ final int numBytes = validateInt(dis.readInt(), getMaxReadSize(),
"readValue():");
final byte[] buffer = new byte[numBytes];
dis.readFully(buffer);
return buffer;
}
+ private int validateInt(final int value, final int max, final String
identifier) throws IOException {
+ if (value <= max) {
+ return value;
+ } else {
+ throw new IOException(new IllegalArgumentException(identifier +
value));
+ }
+ }
Review comment:
I was thinking the same thing :)
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