tidb restart due to “handleOneItemTask panicked” after lightning finished

[Lily2025]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1、lightning import
2、lightning import success

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

no panic

3. What did you see instead (Required)

tidb restart due to “handleOneItemTask panicked”

[2024/04/23 05:24:38.567 +08:00] [ERROR] [stats_syncload.go:271] ["handleOneItemTask panicked"] [recover="runtime error: invalid memory address or nil pointer dereference"] [stack="github.com/pingcap/tidb/pkg/statistics/handle/syncload.(*statsSyncLoad).handleOneItemTask.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/syncload/stats_syncload.go:271\nruntime.gopanic\n\t/usr/local/go/src/runtime/panic.go:914\ngithub.com/pingcap/tidb/pkg/executor.(*ExecStmt).Exec.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/adapter.go:451\nruntime.gopanic\n\t/usr/local/go/src/runtime/panic.go:914\nruntime.panicmem\n\t/usr/local/go/src/runtime/panic.go:261\nruntime.sigpanic\n\t/usr/local/go/src/runtime/signal_unix.go:861\ngithub.com/pingcap/tidb/pkg/sessiontxn/isolation.(*baseTxnContextProvider).ActivateTxn\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/sessiontxn/isolation/base.go:290\ngithub.com/pingcap/tidb/pkg/sessiontxn/isolation.(*baseTxnContextProvider).GetStmtReadTS\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/sessiontxn/isolation/base.go:186\ngithub.com/pingcap/tidb/pkg/sessiontxn/isolation.(*baseTxnContextProvider).GetSnapshotWithStmtReadTS\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/sessiontxn/isolation/base.go:402\ngithub.com/pingcap/tidb/pkg/session.(*txnManager).GetSnapshotWithStmtReadTS\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/txnmanager.go:140\ngithub.com/pingcap/tidb/pkg/executor.(*executorBuilder).getSnapshot\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/builder.go:1819\ngithub.com/pingcap/tidb/pkg/executor.(*executorBuilder).buildPointGet\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/point_get.go:83\ngithub.com/pingcap/tidb/pkg/executor.(*executorBuilder).build\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/builder.go:193\ngithub.com/pingcap/tidb/pkg/executor.(*ExecStmt).buildExecutor\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/adapter.go:1171\ngithub.com/pingcap/tidb/pkg/executor.(*ExecStmt).Exec\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/executor/adapter.go:521\ngithub.com/pingcap/tidb/pkg/session.runStmt\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:2276\ngithub.com/pingcap/tidb/pkg/session.(*session).ExecuteStmt\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:2137\ngithub.com/pingcap/tidb/pkg/session.(*session).ExecuteInternalStmt\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:1989\ngithub.com/pingcap/tidb/pkg/session.(*session).ExecRestrictedSQL.func1\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:1954\ngithub.com/pingcap/tidb/pkg/session.(*session).withRestrictedSQLExecutor\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:1940\ngithub.com/pingcap/tidb/pkg/session.(*session).ExecRestrictedSQL\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/session/session.go:1944\ngithub.com/pingcap/tidb/pkg/statistics/handle/util.ExecRows\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/util/util.go:213\ngithub.com/pingcap/tidb/pkg/statistics/handle/storage.HistMetaFromStorage\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/storage/read.go:66\ngithub.com/pingcap/tidb/pkg/statistics/handle/syncload.(*statsSyncLoad).readStatsForOneItem\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/syncload/stats_syncload.go:348\ngithub.com/pingcap/tidb/pkg/statistics/handle/syncload.(*statsSyncLoad).handleOneItemTask\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/syncload/stats_syncload.go:316\ngithub.com/pingcap/tidb/pkg/statistics/handle/syncload.(*statsSyncLoad).HandleOneTask.func2\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/pkg/statistics/handle/syncload/stats_syncload.go:234\ngolang.org/x/sync/singleflight.(*Group).doCall.func2\n\t/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:198\ngolang.org/x/sync/singleflight.(*Group).doCall\n\t/go/pkg/mod/golang.org/x/sync@v0.7.0/singleflight/singleflight.go:200"]

4. What is your TiDB version? (Required)

"Git Commit Hash"=cfcc770e8a0451c9786fa288b910b784e36633f2

[Lily2025]

/assign hawkingrei

[Lily2025]

/severity major