WARNING: DATA RACE
Read at 0x00c000ac1f50 by goroutine 144:
  slices.insertionSortCmpFunc[go.shape.*uint8]()
      GOROOT/src/slices/zsortanyfunc.go:12 +0xfd
  slices.pdqsortCmpFunc[go.shape.*uint8]()
      GOROOT/src/slices/zsortanyfunc.go:73 +0x6c8
  slices.SortFunc[go.shape.[]*github.com/pingcap/tidb/store/pdtypes.Region,go.shape.*uint8]()
      GOROOT/src/slices/sort.go:28 +0xc6
  github.com/pingcap/tidb/store/pdtypes.(*RegionTree).ScanRange()
      store/pdtypes/region_tree.go:55 +0x7b
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*testSplitClient).ScanRegions()
      br/pkg/lightning/backend/local/localhelper_test.go:257 +0x1cf
  github.com/pingcap/tidb/br/pkg/restore/split.PaginateScanRegion.func1()
      br/pkg/restore/split/split.go:106 +0x1b6
  github.com/pingcap/tidb/br/pkg/utils.WithRetry.func1()
      br/pkg/utils/retry.go:57 +0x41
  github.com/pingcap/tidb/br/pkg/utils.WithRetryV2[go.shape.struct {}]()
      br/pkg/utils/retry.go:75 +0xe1
  github.com/pingcap/tidb/br/pkg/utils.WithRetry()
      br/pkg/utils/retry.go:56 +0x8c
  github.com/pingcap/tidb/br/pkg/restore/split.PaginateScanRegion()
      br/pkg/restore/split/split.go:101 +0x28f
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateJobForRange()
      br/pkg/lightning/backend/local/local.go:1264 +0x2ec
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateAndSendJob.func1()
      br/pkg/lightning/backend/local/local.go:1196 +0x1f9
  golang.org/x/sync/errgroup.(*Group).Go.func1()
      external/org_golang_x_sync/errgroup/errgroup.go:75 +0x76

Previous write at 0x00c000ac1f50 by goroutine 145:
  slices.insertionSortCmpFunc[go.shape.*uint8]()
      GOROOT/src/slices/zsortanyfunc.go:13 +0x211
  slices.pdqsortCmpFunc[go.shape.*uint8]()
      GOROOT/src/slices/zsortanyfunc.go:73 +0x6c8
  slices.SortFunc[go.shape.[]*github.com/pingcap/tidb/store/pdtypes.Region,go.shape.*uint8]()
      GOROOT/src/slices/sort.go:28 +0xc6
  github.com/pingcap/tidb/store/pdtypes.(*RegionTree).ScanRange()
      store/pdtypes/region_tree.go:55 +0x7b
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*testSplitClient).ScanRegions()
      br/pkg/lightning/backend/local/localhelper_test.go:257 +0x1cf
  github.com/pingcap/tidb/br/pkg/restore/split.PaginateScanRegion.func1()
      br/pkg/restore/split/split.go:106 +0x1b6
  github.com/pingcap/tidb/br/pkg/utils.WithRetry.func1()
      br/pkg/utils/retry.go:57 +0x41
  github.com/pingcap/tidb/br/pkg/utils.WithRetryV2[go.shape.struct {}]()
      br/pkg/utils/retry.go:75 +0xe1
  github.com/pingcap/tidb/br/pkg/utils.WithRetry()
      br/pkg/utils/retry.go:56 +0x8c
  github.com/pingcap/tidb/br/pkg/restore/split.PaginateScanRegion()
      br/pkg/restore/split/split.go:101 +0x28f
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateJobForRange()
      br/pkg/lightning/backend/local/local.go:1264 +0x2ec
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateAndSendJob.func1()
      br/pkg/lightning/backend/local/local.go:1196 +0x1f9
  golang.org/x/sync/errgroup.(*Group).Go.func1()
      external/org_golang_x_sync/errgroup/errgroup.go:75 +0x76

Goroutine 144 (running) created at:
  golang.org/x/sync/errgroup.(*Group).Go()
      external/org_golang_x_sync/errgroup/errgroup.go:72 +0x124
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateAndSendJob()
      br/pkg/lightning/backend/local/local.go:1190 +0x4ae
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).prepareAndSendJob()
      br/pkg/lightning/backend/local/local.go:1134 +0xa18
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).doImport()
      br/pkg/lightning/backend/local/local.go:1645 +0x7e6
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).ImportEngine()
      br/pkg/lightning/backend/local/local.go:1531 +0x12fd
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.TestExternalEngine.func3()
      br/pkg/lightning/backend/local/local_test.go:2224 +0x124

Goroutine 145 (finished) created at:
  golang.org/x/sync/errgroup.(*Group).Go()
      external/org_golang_x_sync/errgroup/errgroup.go:72 +0x124
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).generateAndSendJob()
      br/pkg/lightning/backend/local/local.go:1190 +0x4ae
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).prepareAndSendJob()
      br/pkg/lightning/backend/local/local.go:1134 +0xa18
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).doImport()
      br/pkg/lightning/backend/local/local.go:1645 +0x7e6
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.(*Backend).ImportEngine()
      br/pkg/lightning/backend/local/local.go:1531 +0x12fd
  github.com/pingcap/tidb/br/pkg/lightning/backend/local.TestExternalEngine.func3()
      br/pkg/lightning/backend/local/local_test.go:2224 +0x124