Description

`Cannot access memory at address 0x7fc7f2532810 (gdb) bt

0 0x00000000004f1d27 in rd_kafka_waitresp_find (rkb=0x6cfaf001) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:1274

1 rd_kafka_req_response (rkb=0x6cfaf001) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:1301

2 rd_kafka_recv (rkb=0x6cfaf001) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:1513

3 0x00000000004f4b6c in rd_kafka_broker_fetch_toppars (arg=0x7fc7d5bd09e8) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:4011

4 rd_kafka_broker_consumer_serve (arg=0x7fc7d5bd09e8) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:4089

5 rd_kafka_broker_thread_main (arg=0x7fc7d5bd09e8) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:4154

6 0x00000000004f5e37 in rd_kafka_q_enq (rkb=0x1, err=32711, reply=0x5448420, request=0x8d2d1b5, opaque=0x0) at thirdparty/librdkafka-0.8.6/src/rdkafka_int.h:846

7 rd_kafka_q_enq (rkb=0x1, err=32711, reply=0x5448420, request=0x8d2d1b5, opaque=0x0) at thirdparty/librdkafka-0.8.6/src/rdkafka_int.h:851

8 rd_kafka_broker_metadata_reply (rkb=0x1, err=32711, reply=0x5448420, request=0x8d2d1b5, opaque=0x0) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:1045

9 0x00000000004f67e0 in rd_kafka_metadata_handle (rkb=0x257fb80, err=0, reply=0x4f4910, request=0x7fff2a936952, opaque=0x4efef2) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:865

10 rd_kafka_broker_metadata_reply (rkb=0x257fb80, err=0, reply=0x4f4910, request=0x7fff2a936952, opaque=0x4efef2) at thirdparty/librdkafka-0.8.6/src/rdkafka_broker.c:1027

11 0x00000000004f82ee in sink_peek (env=0x0, iov_in=0x257fb80, iov_in_len=2189, input_length=, iov_out=0x7fc7d5bd1440, iov_out_len=0x7fc7d5bd145c,

compressed_length=0x7fc7d5bd2700) at thirdparty/librdkafka-0.8.6/src/snappy.c:297

12 compress (env=0x0, iov_in=0x257fb80, iov_in_len=2189, input_length=, iov_out=0x7fc7d5bd1440, iov_out_len=0x7fc7d5bd145c, compressed_length=0x7fc7d5bd2700)

at thirdparty/librdkafka-0.8.6/src/snappy.c:1356

13 snappy_compress_iov (env=0x0, iov_in=0x257fb80, iov_in_len=2189, input_length=, iov_out=0x7fc7d5bd1440, iov_out_len=0x7fc7d5bd145c, compressed_length=0x7fc7d5bd2700)

at thirdparty/librdkafka-0.8.6/src/snappy.c:1398

14 0x00007fc7f27829d1 in ?? ()

15 0x00007fc7d5bd2700 in ?? ()

16 0x0000000000000000 in ?? ()

(gdb) quit `

How to reproduce

I create a kakfa-topic with 15 paritions, and start 15 consumer threads for consuming each parition, but sometimes the app cores, how could i fix this ? help~

rdkakfa version: 0.8.6

Checklist

Please provide the following information:

[ ] librdkafka version (release number or git tag):
[ ] Apache Kafka version:
[ ] librdkafka client configuration:
[ ] Operating system:
[ ] Using the legacy Consumer
[ ] Using the high-level KafkaConsumer
[ ] Provide logs (with debug=.. as necessary) from librdkafka
[ ] Provide broker log excerpts
[ ] Critical issue

confluentinc / librdkafka

legacy consumer coredump on 0.8.6 #801