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Showing content from https://github.com/confluentinc/librdkafka/issues/4522 below:

Data race in `rd_kafka_stats_emit_all` · Issue #4522 · confluentinc/librdkafka · GitHub

WARNING: ThreadSanitizer: data race (pid=1)
  Atomic write of size 4 at 0x7b78000f4bb0 by thread T377 (mutexes: read M0, write M1):
    #0 rd_atomic32_get build_docker/./contrib/librdkafka/src/rdatomic.h:108:9 (clickhouse+0x1f8b1a93) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #1 rd_kafka_stats_emit_all build_docker/./contrib/librdkafka/src/rdkafka.c:1654:3 (clickhouse+0x1f8b1a93)
    #2 rd_kafka_stats_emit_tmr_cb build_docker/./contrib/librdkafka/src/rdkafka.c:1898:2 (clickhouse+0x1f8b1a93)
    #3 rd_kafka_timers_run build_docker/./contrib/librdkafka/src/rdkafka_timer.c:288:4 (clickhouse+0x1f9a29aa) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #4 rd_kafka_thread_main build_docker/./contrib/librdkafka/src/rdkafka.c:2021:3 (clickhouse+0x1f8a8b29) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #5 _thrd_wrapper_function build_docker/./contrib/librdkafka/src/tinycthread.c:576:9 (clickhouse+0x1f9c611b) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)

  Previous write of size 4 at 0x7b78000f4bb0 by thread T376:
    #0 rd_atomic32_init build_docker/./contrib/librdkafka/src/rdatomic.h:49:10 (clickhouse+0x1f8a3173) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #1 rd_kafka_bufq_init build_docker/./contrib/librdkafka/src/rdkafka_buf.c:225:2 (clickhouse+0x1f8a3173)
    #2 rd_kafka_bufq_concat build_docker/./contrib/librdkafka/src/rdkafka_buf.c:236:2 (clickhouse+0x1f8a3173)
    #3 rd_kafka_broker_fail build_docker/./contrib/librdkafka/src/rdkafka_broker.c:572:2 (clickhouse+0x1f87a82f) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #4 rd_kafka_broker_op_serve build_docker/./contrib/librdkafka/src/rdkafka_broker.c:3317:33 (clickhouse+0x1f88bc18) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #5 rd_kafka_broker_ops_serve build_docker/./contrib/librdkafka/src/rdkafka_broker.c:3351:24 (clickhouse+0x1f88bc18)
    #6 rd_kafka_broker_ops_io_serve build_docker/./contrib/librdkafka/src/rdkafka_broker.c:3401:9 (clickhouse+0x1f88e323) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #7 rd_kafka_broker_consumer_serve build_docker/./contrib/librdkafka/src/rdkafka_broker.c:4975:17 (clickhouse+0x1f88a0be) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #8 rd_kafka_broker_serve build_docker/./contrib/librdkafka/src/rdkafka_broker.c:5080:17 (clickhouse+0x1f88a0be)
    #9 rd_kafka_broker_thread_main build_docker/./contrib/librdkafka/src/rdkafka_broker.c:5237:25 (clickhouse+0x1f8834b9) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)
    #10 _thrd_wrapper_function build_docker/./contrib/librdkafka/src/tinycthread.c:576:9 (clickhouse+0x1f9c611b) (BuildId: 662ff0bfd164437162d27a08d006d6ba54fefcf7)

SUMMARY: ThreadSanitizer: data race build_docker/./contrib/librdkafka/src/rdatomic.h:108:9 in rd_atomic32_get

ClickHouse/ClickHouse#56043

Run ClickHouse integration tests with TSan until it reproduces.

IMPORTANT: We will close issues where the checklist has not been completed.

Please provide the following information:

• librdkafka version: https://github.com/ClickHouse/librdkafka/tree/6f3b483426a8c8ec950e27e446bec175cf8b553f (sorry, it is patched, but feel free to close this issue if you don't like it)
• Apache Kafka version: confluentinc/cp-kafka:5.2.0
• librdkafka client configuration: <REPLACE with e.g., message.timeout.ms=123, auto.reset.offset=earliest, ..>
• Operating system: Linux Ubuntu 22.04
• Provide logs (with debug=.. as necessary) from librdkafka
• Provide broker log excerpts
• Critical issue

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