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The problem here is that ignorelist did not work by some reason, if I
will look at the ignored functions it should not contain any TSan
interseption code, while it does:
$ lldb-13 clickhouse
(lldb) target create "clickhouse"
disas -n rd_avg_rollover
Current executable set to '/home/azat/ch/tmp/tsan-test/clickhouse' (x86_64).
(lldb) disas -n rd_avg_rollover
clickhouse`rd_kafka_stats_emit_avg:
clickhouse[0x1cbf84a7] <+39>: leaq 0x30(%r15), %r12
clickhouse[0x1cbf84ab] <+43>: movq %r12, %rdi
clickhouse[0x1cbf84ae] <+46>: callq 0x1ccdad40 ; rdk_thread_mutex_lock at tinycthread.c:111
clickhouse[0x1cbf84b3] <+51>: leaq 0x58(%r15), %rdi
clickhouse[0x1cbf84b7] <+55>: callq 0x71b5390 ; __tsan_read4
clickhouse[0x1cbf84bc] <+60>: cmpl $0x0, 0x58(%r15)
clickhouse[0x1cbf84c1] <+65>: je 0x1cbf8595 ; <+277> [inlined] rd_avg_rollover + 238 at rdavg.h
clickhouse[0x1cbf84c7] <+71>: leaq -0xc8(%rbp), %rdi
clickhouse[0x1cbf84ce] <+78>: xorl %esi, %esi
clickhouse[0x1cbf84d0] <+80>: callq 0x1ccdac80 ; rdk_thread_mutex_init at tinycthread.c:62
clickhouse[0x1cbf84d5] <+85>: leaq 0x5c(%r15), %rdi
clickhouse[0x1cbf84d9] <+89>: callq 0x71b5390 ; __tsan_read4
(lldb) disas -n rd_avg_calc
clickhouse`rd_kafka_broker_ops_io_serve:
clickhouse[0x1cbdf086] <+1990>: leaq 0x5a4(%rbx), %rdi
clickhouse[0x1cbdf08d] <+1997>: callq 0x71b5390 ; __tsan_read4
clickhouse[0x1cbdf092] <+2002>: cmpl $0x0, 0x5a4(%rbx)
clickhouse[0x1cbdf099] <+2009>: je 0x1cbdf12b ; <+2155> [inlined] rd_kafka_broker_timeout_scan + 719 at rdkafka_broker.c
I guess the reason is that they had been inlined
So now rd_avg_calc() guarded with a mutex.
Refs: https://github.com/ClickHouse/librdkafka/pull/11
Fixes: https://github.com/ClickHouse/ClickHouse/issues/60939
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
14 lines
530 B
Plaintext
14 lines
530 B
Plaintext
# Note, this file is ignorelist file [1] not suppressions [2].
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#
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# [1]: https://clang.llvm.org/docs/SanitizerSpecialCaseList.html
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# [2]: https://github.com/google/sanitizers/wiki/ThreadSanitizerSuppressions
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#
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# Caveats for generic entry "fun":
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# - does not work for __attribute__((__always_inline__))
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# - and may not work for functions that had been inlined
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# - requires asterisk at the beginning *and* end for static functions
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#
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[thread]
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# https://github.com/ClickHouse/ClickHouse/issues/55629
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fun:rd_kafka_broker_set_nodename
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