DATA RACE in the TestProxyProtocolWithIpNoFallbackable

[hawkingrei]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

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

3. What did you see instead (Required)

==================
WARNING: DATA RACE
Read at 0x00c00936e380 by goroutine 290:
  github.com/pingcap/tidb/pkg/server.(*Server).Listener()
      pkg/server/server.go:159 +0x464
  pkg/server/tests/commontest/commontest_test.TestProxyProtocolWithIpNoFallbackable()
      pkg/server/tests/commontest/tidb_test.go:2974 +0x475
  github.com/pingcap/tidb/pkg/domain.(*Domain).rebuildSysVarCache()
      pkg/domain/sysvar_cache.go:146 +0x904
  github.com/pingcap/tidb/pkg/domain.(*Domain).LoadSysVarCacheLoop()
      pkg/domain/domain.go:1730 +0x93
  github.com/pingcap/tidb/pkg/session.bootstrapSessionImpl()
      pkg/session/session.go:3383 +0x844
  github.com/pingcap/tidb/pkg/domain.(*Domain).GetSessionCache()
      pkg/domain/sysvar_cache.go:62 +0x50
  github.com/pingcap/tidb/pkg/session.(*session).loadCommonGlobalVariablesIfNeeded()
      pkg/session/session.go:3751 +0x2ce
  github.com/pingcap/tidb/pkg/session.(*session).ExecuteStmt()
      pkg/session/session.go:2104 +0x184
  github.com/pingcap/tidb/pkg/session.(*session).ExecuteInternal()
      pkg/session/session.go:1619 +0x3b9
  github.com/pingcap/tidb/pkg/domain.(*Domain).LoadPrivilegeLoop()
      pkg/domain/domain.go:1673 +0x108
  github.com/pingcap/tidb/pkg/session.bootstrapSessionImpl()
      pkg/session/session.go:3376 +0x7e4
  github.com/pingcap/tidb/pkg/session.BootstrapSession()
      pkg/session/session.go:3283 +0x22a
  github.com/pingcap/tidb/pkg/server/tests/servertestkit.CreateTidbTestSuiteWithCfg()
      pkg/server/tests/servertestkit/testkit.go:69 +0x1b5
  github.com/pingcap/tidb/pkg/server/tests/servertestkit.CreateTidbTestSuite()
      pkg/server/tests/servertestkit/testkit.go:57 +0x1fa
  pkg/server/tests/commontest/commontest_test.TestProxyProtocolWithIpNoFallbackable()
      pkg/server/tests/commontest/tidb_test.go:2959 +0x231
  testing.tRunner()
      GOROOT/src/testing/testing.go:1595 +0x261
  testing.(*T).Run.func1()
      GOROOT/src/testing/testing.go:1648 +0x44
Previous write at 0x00c00936e380 by goroutine 37546:
  github.com/pingcap/tidb/pkg/server.(*Server).initTiDBListener()
      pkg/server/server.go:343 +0xbde
  github.com/pingcap/tidb/pkg/server.(*Server).Run()
      pkg/server/server.go:448 +0x4a7
  pkg/server/tests/commontest/commontest_test.TestProxyProtocolWithIpNoFallbackable.func1()
      pkg/server/tests/commontest/tidb_test.go:2966 +0x35
Goroutine 290 (running) created at:
  testing.(*T).Run()
      GOROOT/src/testing/testing.go:1648 +0x845
  testing.runTests.func1()
      GOROOT/src/testing/testing.go:2054 +0x84
  testing.tRunner()
      GOROOT/src/testing/testing.go:1595 +0x261
  testing.runTests()
      GOROOT/src/testing/testing.go:2052 +0x8ad
  testing.(*M).Run()
      GOROOT/src/testing/testing.go:1925 +0xcd7
  go.uber.org/goleak.VerifyTestMain()
      external/org_uber_go_goleak/testmain.go:53 +0x64
  pkg/server/tests/commontest/commontest_test.TestMain()
      pkg/server/tests/commontest/main_test.go:74 +0x100d
  main.main()
      bazel-out/k8-fastbuild/bin/pkg/server/tests/commontest/commontest_test_/testmain.go:217 +0x5d1
Goroutine 37546 (running) created at:
  pkg/server/tests/commontest/commontest_test.TestProxyProtocolWithIpNoFallbackable()
      pkg/server/tests/commontest/tidb_test.go:2965 +0x3d7
  github.com/pingcap/tidb/pkg/domain.(*Domain).rebuildSysVarCache()
      pkg/domain/sysvar_cache.go:146 +0x904
  github.com/pingcap/tidb/pkg/domain.(*Domain).LoadSysVarCacheLoop()
      pkg/domain/domain.go:1730 +0x93
  github.com/pingcap/tidb/pkg/session.bootstrapSessionImpl()
      pkg/session/session.go:3383 +0x844
  github.com/pingcap/tidb/pkg/domain.(*Domain).GetSessionCache()
      pkg/domain/sysvar_cache.go:62 +0x50
  github.com/pingcap/tidb/pkg/session.(*session).loadCommonGlobalVariablesIfNeeded()
      pkg/session/session.go:3751 +0x2ce
  github.com/pingcap/tidb/pkg/session.(*session).ExecuteStmt()
      pkg/session/session.go:2104 +0x184
  github.com/pingcap/tidb/pkg/session.(*session).ExecuteInternal()
      pkg/session/session.go:1619 +0x3b9
  github.com/pingcap/tidb/pkg/domain.(*Domain).LoadPrivilegeLoop()
      pkg/domain/domain.go:1673 +0x108
  github.com/pingcap/tidb/pkg/session.bootstrapSessionImpl()
      pkg/session/session.go:3376 +0x7e4
  github.com/pingcap/tidb/pkg/session.BootstrapSession()
      pkg/session/session.go:3283 +0x22a
  github.com/pingcap/tidb/pkg/server/tests/servertestkit.CreateTidbTestSuiteWithCfg()
      pkg/server/tests/servertestkit/testkit.go:69 +0x1b5
  github.com/pingcap/tidb/pkg/server/tests/servertestkit.CreateTidbTestSuite()
      pkg/server/tests/servertestkit/testkit.go:57 +0x1fa
  pkg/server/tests/commontest/commontest_test.TestProxyProtocolWithIpNoFallbackable()
      pkg/server/tests/commontest/tidb_test.go:2959 +0x231
  testing.tRunner()
      GOROOT/src/testing/testing.go:1595 +0x261
  testing.(*T).Run.func1()
      GOROOT/src/testing/testing.go:1648 +0x44
================== 

4. What is your TiDB version? (Required)

[hawkingrei]

https://tiprow.hawkingrei.com/view/gs/pingcapprow/logs/tidb_data_race/1768198753589661696#1:build-log.txt%3A18938