Data race happens when bootstrap

[xuyifangreeneyes]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Start a tidb cluster.

2. What did you expect to see? (Required)

==================
WARNING: DATA RACE
Read at 0x00000c2b2810 by goroutine 14443:
  github.com/tikv/client-go/v2/internal/client.buildResourceControlInterceptor()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/internal/client/client_interceptor.go:99 +0xd1
  github.com/tikv/client-go/v2/internal/client.interceptedClient.SendRequest()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/internal/client/client_interceptor.go:49 +0xca
  github.com/tikv/client-go/v2/internal/client.(*interceptedClient).SendRequest()
      <autogenerated>:1 +0xbd
  github.com/tikv/client-go/v2/internal/client.reqCollapse.SendRequest()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/internal/client/client_collapse.go:74 +0x130
  github.com/tikv/client-go/v2/internal/client.(*reqCollapse).SendRequest()
      <autogenerated>:1 +0xae
  github.com/tikv/client-go/v2/internal/locate.(*RegionRequestSender).sendReqToRegion()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/internal/locate/region_request.go:1412 +0x1238
  github.com/tikv/client-go/v2/internal/locate.(*RegionRequestSender).SendReqCtx()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/internal/locate/region_request.go:1220 +0x1f89
  github.com/tikv/client-go/v2/txnkv/txnsnapshot.(*ClientHelper).SendReqCtx()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/txnkv/txnsnapshot/client_helper.go:146 +0x373
  github.com/pingcap/tidb/store/copr.(*copIteratorWorker).handleTaskOnce()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:1205 +0x14cc
  github.com/pingcap/tidb/store/copr.(*copIteratorWorker).handleTask()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:1110 +0x1e5
  github.com/pingcap/tidb/store/copr.(*copIteratorWorker).run()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:803 +0x176
  github.com/pingcap/tidb/store/copr.(*copIterator).open.func2()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:847 +0x58

Previous write at 0x00000c2b2810 by main goroutine:
  github.com/tikv/client-go/v2/tikv.SetResourceControlInterceptor()
      /go/pkg/mod/github.com/tikv/client-go/[email protected]/tikv/kv.go:708 +0x6f8
  main.main()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/tidb-server/main.go:241 +0x6d8
  github.com/pingcap/tidb/sessionctx/variable.(*SysVar).ValidateWithRelaxedValidation()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/sessionctx/variable/variable.go:361 +0x1c7
  github.com/pingcap/tidb/domain.(*Domain).rebuildSysVarCache()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/sysvar_cache.go:146 +0x844
  github.com/pingcap/tidb/domain.(*Domain).LoadSysVarCacheLoop()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/domain.go:1774 +0xa8
  github.com/pingcap/tidb/session.bootstrapSessionImpl()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:3357 +0x6e4
  github.com/pingcap/tidb/domain.(*Domain).GetSessionCache()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/sysvar_cache.go:62 +0x5c
  github.com/pingcap/tidb/session.(*session).loadCommonGlobalVariablesIfNeeded()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:3721 +0x104
  github.com/pingcap/tidb/session.(*session).ExecuteStmt()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:2130 +0x145
  github.com/pingcap/tidb/session.(*session).ExecuteInternal()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:1666 +0x31b
  github.com/pingcap/tidb/domain.(*Domain).LoadPrivilegeLoop()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/domain.go:1717 +0x130
  github.com/pingcap/tidb/session.bootstrapSessionImpl()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:3350 +0x687
  github.com/pingcap/tidb/session.BootstrapSession()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:3271 +0x233
  main.createStoreAndDomain()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/tidb-server/main.go:340 +0x21d
  main.main()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/tidb-server/main.go:239 +0x698

Goroutine 14443 (running) created at:
  github.com/pingcap/tidb/store/copr.(*copIterator).open()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:847 +0x104
  github.com/pingcap/tidb/store/copr.(*CopClient).Send()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/store/copr/coprocessor.go:101 +0x3ac
  github.com/pingcap/tidb/distsql.Select()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/distsql/distsql.go:91 +0x826
  github.com/pingcap/tidb/distsql.SelectWithRuntimeStats()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/distsql/distsql.go:146 +0xbb
  github.com/pingcap/tidb/executor.selectResultHook.SelectResult()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/table_reader.go:61 +0x1c5
  github.com/pingcap/tidb/executor.(*TableReaderExecutor).buildResp()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/table_reader.go:349 +0x9a4
  github.com/pingcap/tidb/executor.(*TableReaderExecutor).Open()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/table_reader.go:226 +0xd91
  github.com/pingcap/tidb/executor.(*ExecStmt).openExecutor()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/adapter.go:1211 +0xe9
  github.com/pingcap/tidb/executor.(*ExecStmt).Exec()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/adapter.go:539 +0xb94
  github.com/pingcap/tidb/session.runStmt()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:2400 +0x4f8
  github.com/pingcap/tidb/session.(*session).ExecuteStmt()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:2250 +0x133c
  github.com/pingcap/tidb/session.(*session).ExecuteInternal()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/session/session.go:1666 +0x31b
  github.com/pingcap/tidb/statistics/handle.(*Handle).initStatsMeta()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/statistics/handle/bootstrap.go:68 +0x13e
  github.com/pingcap/tidb/statistics/handle.(*Handle).InitStatsLite()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/statistics/handle/bootstrap.go:473 +0x1e5
  github.com/pingcap/tidb/domain.(*Domain).initStats()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/domain.go:2390 +0x14d
  github.com/pingcap/tidb/domain.(*Domain).loadStatsWorker()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/domain/domain.go:2414 +0x135
  github.com/pingcap/tidb/domain.(*Domain).loadStatsWorker-fm()
      <autogenerated>:1 +0x39
  github.com/pingcap/tidb/util.(*WaitGroupEnhancedWrapper).Run.func1()
      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/wait_group_wrapper.go:96 +0xb7
==================

3. What did you see instead (Required)

No data race.

4. What is your TiDB version? (Required)

master