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Honour array size in rd_kafka_event_message_array() to avoid overflow… #2775

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Mar 20, 2020
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Honour array size in rd_kafka_event_message_array() to avoid overflow… #2775

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5 changes: 3 additions & 2 deletions src/rdkafka_event.c
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Original file line number Diff line number Diff line change
Expand Up @@ -131,11 +131,12 @@ rd_kafka_event_message_next (rd_kafka_event_t *rkev) {


size_t rd_kafka_event_message_array (rd_kafka_event_t *rkev,
const rd_kafka_message_t **rkmessages, size_t size) {
const rd_kafka_message_t **rkmessages,
size_t size) {
size_t cnt = 0;
const rd_kafka_message_t *rkmessage;

while ((rkmessage = rd_kafka_event_message_next(rkev)))
while (cnt < size && (rkmessage = rd_kafka_event_message_next(rkev)))
rkmessages[cnt++] = rkmessage;

return cnt;
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