Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Data race in sessionctx/variable.(*SessionVars).InitStatementContext #27114

Closed
Tracked by #25899
zhouqiang-cl opened this issue Aug 11, 2021 · 2 comments
Closed
Tracked by #25899

Data race in sessionctx/variable.(*SessionVars).InitStatementContext #27114

zhouqiang-cl opened this issue Aug 11, 2021 · 2 comments
Labels
component/test severity/major sig/execution SIG execution type/bug The issue is confirmed as a bug.

Comments

@zhouqiang-cl
Copy link
Contributor

Bug Report

Please answer these questions before submitting your issue. Thanks!

[2021-08-11T08:33:28.493Z] WARNING: DATA RACE
[2021-08-11T08:33:28.493Z] Write at 0x00c0889e3a68 by goroutine 341:
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/sessionctx/variable.(*SessionVars).InitStatementContext()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/sessionctx/variable/session.go:896 +0x3312
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/executor.ResetContextOfStmt()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/executor.go:1662 +0x3386
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/session.(*session).ExecuteStmt()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/session/session.go:1633 +0x204
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/util/testkit.(*TestKit).Exec()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:170 +0x2fc
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/util/testkit.(*TestKit).MustExec()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:216 +0x96
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/ddl_test.(*testSerialSuite).TestIssue23872()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/db_test.go:7206 +0x6b7
[2021-08-11T08:33:28.493Z]   runtime.call16()
[2021-08-11T08:33:28.493Z]       /usr/local/go/src/runtime/asm_amd64.s:550 +0x3d
[2021-08-11T08:33:28.493Z]   reflect.Value.Call()
[2021-08-11T08:33:28.493Z]       /usr/local/go/src/reflect/value.go:337 +0xd8
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).forkTest.func1()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:850 +0xb3b
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).forkCall.func1()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:739 +0x11d
[2021-08-11T08:33:28.493Z] 
[2021-08-11T08:33:28.493Z] Previous write at 0x00c0889e3a68 by goroutine 179:
[2021-08-11T08:33:28.493Z]   sync/atomic.AddInt32()
[2021-08-11T08:33:28.493Z]       /usr/local/go/src/runtime/race_amd64.s:292 +0xb
[2021-08-11T08:33:28.493Z]   sync.(*Mutex).Unlock()
[2021-08-11T08:33:28.493Z]       /usr/local/go/src/sync/mutex.go:186 +0x51
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/util/memory.(*Tracker).getParent()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/memory/tracker.go:506 +0xa4
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/util/memory.(*Tracker).Consume()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/memory/tracker.go:312 +0x9d
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/store/copr.(*copIteratorWorker).sendToRespCh()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:517 +0x290
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/store/copr.(*copIteratorWorker).handleCopResponse()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:979 +0xc39
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/store/copr.(*copIteratorWorker).handleTaskOnce()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:748 +0x1264
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/store/copr.(*copIteratorWorker).handleTask()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:640 +0x1e4
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/store/copr.(*copIteratorWorker).run()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:377 +0x15a
[2021-08-11T08:33:28.493Z] 
[2021-08-11T08:33:28.493Z] Goroutine 341 (running) created at:
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).forkCall()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:734 +0x4cc
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).forkTest()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:832 +0x1c4
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).doRun()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:666 +0x144
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.(*suiteRunner).run()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:696 +0x144
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.Run()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/run.go:150 +0x5a
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.RunAll()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/run.go:136 +0x968
[2021-08-11T08:33:28.493Z]   github.com/pingcap/check.TestingT()
[2021-08-11T08:33:28.493Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/run.go:99 +0x756
[2021-08-11T08:33:28.493Z]   github.com/pingcap/tidb/ddl.TestT()
[2021-08-11T08:33:28.493Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/ddl_test.go:93 +0x3aa
[2021-08-11T08:33:28.494Z]   testing.tRunner()
[2021-08-11T08:33:28.494Z]       /usr/local/go/src/testing/testing.go:1193 +0x202
[2021-08-11T08:33:28.494Z] 
[2021-08-11T08:33:28.494Z] Goroutine 179 (finished) created at:
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/store/copr.(*copIterator).open()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:414 +0xe7
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/store/copr.(*CopClient).Send()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/store/copr/coprocessor.go:127 +0xc49
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/distsql.Select()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/distsql/distsql.go:77 +0x328
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/distsql.SelectWithRuntimeStats()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/distsql/distsql.go:126 +0xbd
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/executor.selectResultHook.SelectResult()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/table_reader.go:51 +0x22b
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/executor.(*TableReaderExecutor).buildResp()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/table_reader.go:303 +0xa15
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/executor.(*TableReaderExecutor).Open()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/table_reader.go:197 +0xba6
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/executor.(*ExecStmt).Exec()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/adapter.go:388 +0x4e2
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/session.runStmt()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/session/session.go:1783 +0x323
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/session.(*session).ExecuteStmt()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/session/session.go:1677 +0xcd7
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/util/testkit.(*TestKit).Exec()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:170 +0x2fc
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/ddl_test.(*testSerialSuite).TestIssue23872()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/db_test.go:7194 +0x1fb
[2021-08-11T08:33:28.494Z]   runtime.call16()
[2021-08-11T08:33:28.494Z]       /usr/local/go/src/runtime/asm_amd64.s:550 +0x3d
[2021-08-11T08:33:28.494Z]   reflect.Value.Call()
[2021-08-11T08:33:28.494Z]       /usr/local/go/src/reflect/value.go:337 +0xd8
[2021-08-11T08:33:28.494Z]   github.com/pingcap/check.(*suiteRunner).forkTest.func1()
[2021-08-11T08:33:28.494Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:850 +0xb3b
[2021-08-11T08:33:28.494Z]   github.com/pingcap/check.(*suiteRunner).forkCall.func1()
[2021-08-11T08:33:28.494Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:739 +0x11d
[2021-08-11T08:33:28.494Z] ==================
[2021-08-11T08:33:28.494Z] ==================
[2021-08-11T08:33:28.494Z] WARNING: DATA RACE
[2021-08-11T08:33:28.494Z] Write at 0x00c0889e3a70 by goroutine 341:
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/sessionctx/variable.(*SessionVars).InitStatementContext()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/sessionctx/variable/session.go:896 +0x3312
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/executor.ResetContextOfStmt()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/executor/executor.go:1662 +0x3386
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/session.(*session).ExecuteStmt()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/session/session.go:1633 +0x204
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/util/testkit.(*TestKit).Exec()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:170 +0x2fc
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/util/testkit.(*TestKit).MustExec()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:216 +0x96
[2021-08-11T08:33:28.494Z]   github.com/pingcap/tidb/ddl_test.(*testSerialSuite).TestIssue23872()
[2021-08-11T08:33:28.494Z]       /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/db_test.go:7206 +0x6b7
[2021-08-11T08:33:28.494Z]   runtime.call16()
[2021-08-11T08:33:28.494Z]       /usr/local/go/src/runtime/asm_amd64.s:550 +0x3d
[2021-08-11T08:33:28.494Z]   reflect.Value.Call()
[2021-08-11T08:33:28.494Z]       /usr/local/go/src/reflect/value.go:337 +0xd8
[2021-08-11T08:33:28.494Z]   github.com/pingcap/check.(*suiteRunner).forkTest.func1()
[2021-08-11T08:33:28.494Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:850 +0xb3b
[2021-08-11T08:33:28.494Z]   github.com/pingcap/check.(*suiteRunner).forkCall.func1()
[2021-08-11T08:33:28.494Z]       /nfs/cache/mod/github.com/pingcap/[email protected]/check.go:739 +0x11d

1. Minimal reproduce step (Required)

in ci https://ci.pingcap.net/blue/rest/organizations/jenkins/pipelines/tidb-unit-test-nightly/runs/8205/nodes/108/steps/373/log/?start=0

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)
@zhouqiang-cl zhouqiang-cl added the type/bug The issue is confirmed as a bug. label Aug 11, 2021
@zhouqiang-cl zhouqiang-cl mentioned this issue Aug 11, 2021
Closed
@jebter jebter added the sig/execution SIG execution label Dec 7, 2021
@hawkingrei
Copy link
Member

Close by #30355.

@github-actions
Copy link

github-actions bot commented Dec 7, 2021

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

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
component/test severity/major sig/execution SIG execution type/bug The issue is confirmed as a bug.
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
4 participants
@hawkingrei @jebter @jingshanglu @zhouqiang-cl