mjsax commented on code in PR #22755:
URL: https://github.com/apache/kafka/pull/22755#discussion_r3625975657
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clients/src/main/java/org/apache/kafka/common/serialization/ListDeserializer.java:
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@@ -196,7 +195,12 @@ public List<Inner> deserialize(String topic, Headers
headers, byte[] data) {
continue;
}
byte[] payload = new byte[entrySize];
- if (dis.read(payload) == -1) {
+ try {
+ // Use readFully (not read) so a stream truncated
mid-entry is detected: read(byte[]) may
+ // return a partial count without reaching EOF, which
would silently leave the tail of the
+ // payload zero-filled and hand a corrupted entry to the
inner deserializer.
+ dis.readFully(payload);
+ } catch (EOFException e) {
Review Comment:
Would it be simpler to keep using `read()` and check for `!= entrySize` ? --
This way, we don't have to deal with exceptions.
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