WaitGroup is reused before previous Wait has returned in the TestCacheTablePointGet

[hawkingrei]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

make test

[2021-12-12T07:37:40.094Z] --- FAIL: TestCacheTablePointGet (3.24s)

[2021-12-12T07:37:40.094Z] [2021/12/12 15:35:54.132 +08:00] [WARN] [builder.go:4741] ["Update Lock Info Error"]

[2021-12-12T07:37:40.094Z] panic: sync: WaitGroup is reused before previous Wait has returned [recovered]

[2021-12-12T07:37:40.094Z] 	panic: sync: WaitGroup is reused before previous Wait has returned

[2021-12-12T07:37:40.094Z] 

[2021-12-12T07:37:40.094Z] goroutine 2172 [running]:

[2021-12-12T07:37:40.094Z] testing.tRunner.func1.2(0x3792ce0, 0x4172f80)

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/testing/testing.go:1143 +0x332

[2021-12-12T07:37:40.094Z] testing.tRunner.func1(0xc0051de780)

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/testing/testing.go:1146 +0x4b6

[2021-12-12T07:37:40.094Z] panic(0x3792ce0, 0x4172f80)

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/runtime/panic.go:965 +0x1b9

[2021-12-12T07:37:40.094Z] sync.(*WaitGroup).Wait(0xc00553c8f0)

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/sync/waitgroup.go:132 +0xae

[2021-12-12T07:37:40.094Z] github.com/tikv/client-go/v2/tikv.(*KVStore).Close(0xc00553c7e0, 0x0, 0x0)

[2021-12-12T07:37:40.094Z] 	/nfs/cache/mod/github.com/tikv/client-go/[email protected]/tikv/kv.go:329 +0x47

[2021-12-12T07:37:40.094Z] github.com/pingcap/tidb/store/mockstore/mockstorage.(*mockStorage).Close(0xc001117200, 0x0, 0xc004fbc0e0)

[2021-12-12T07:37:40.094Z] 	/home/jenkins/agent/workspace/tidb_ghpr_unit_test/go/src/github.com/pingcap/tidb/store/mockstore/mockstorage/storage.go:117 +0x45

[2021-12-12T07:37:40.094Z] github.com/pingcap/tidb/testkit.bootstrap.func1()

[2021-12-12T07:37:40.094Z] 	/home/jenkins/agent/workspace/tidb_ghpr_unit_test/go/src/github.com/pingcap/tidb/testkit/mockstore.go:56 +0x66

[2021-12-12T07:37:40.094Z] github.com/pingcap/tidb/table/tables_test.TestCacheTablePointGet(0xc0051de780)

[2021-12-12T07:37:40.094Z] 	/home/jenkins/agent/workspace/tidb_ghpr_unit_test/go/src/github.com/pingcap/tidb/table/tables/cache_test.go:367 +0xf37

[2021-12-12T07:37:40.094Z] testing.tRunner(0xc0051de780, 0x3dd7c58)

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/testing/testing.go:1193 +0xef

[2021-12-12T07:37:40.094Z] created by testing.(*T).Run

[2021-12-12T07:37:40.094Z] 	/usr/local/go/src/testing/testing.go:1238 +0x2b3

https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_unit_test/detail/tidb_ghpr_unit_test/24306/pipeline

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

[hawkingrei]

/assign

[github-actions]

Please check whether the issue should be labeled with 'affects-x.y' or 'fixes-x.y.z', and then remove 'needs-more-info' label.