TiDB panic: fatal error: concurrent map writes

[fubinzh]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

TiDB repeated panic seen

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

no panic

3. What did you see instead (Required)

fatal error: concurrent map writes

goroutine 1521 [running]:
github.com/pingcap/tidb/pkg/statistics.(*ColAndIdxExistenceMap).InsertCol(...)
	/workspace/source/tidb/pkg/statistics/table.go:138
github.com/pingcap/tidb/pkg/statistics/handle.(*Handle).initStatsHistograms4ChunkLite(0xc003c7f000, {0x66566f8, 0xc013826000}, {0x6641460, 0xc000125fb0}, 0xc0166d8780)
	/workspace/source/tidb/pkg/statistics/handle/bootstrap.go:146 +0x36d
github.com/pingcap/tidb/pkg/statistics/handle/initstats.(*Worker).loadStats(0xc01c7fd1a0, {0x66566f8, 0xc013826000}, {0x6641460, 0xc000125fb0}, 0xc0210a42d0)
	/workspace/source/tidb/pkg/statistics/handle/initstats/load_stats.go:73 +0xee
github.com/pingcap/tidb/pkg/statistics/handle/initstats.(*Worker).LoadStats.func1()
	/workspace/source/tidb/pkg/statistics/handle/initstats/load_stats.go:56 +0x6e
github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).Run.func1()
	/workspace/source/tidb/pkg/util/wait_group_wrapper.go:157 +0x4f
created by github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).Run in goroutine 1184
	/workspace/source/tidb/pkg/util/wait_group_wrapper.go:155 +0x73

tidb.panic.txt

4. What is your TiDB version? (Required)

Release Version: v8.0.0-alpha-663-g8d9e67b
Edition: Community
Git Commit Hash: 8d9e67b
Git Branch: HEAD
UTC Build Time: 2024-03-28 13:24:05
GoVersion: go1.21.4
Race Enabled: false
Check Table Before Drop: false
Store: unistore

[fubinzh]

/severity critical

[fubinzh]

It seems that panic happens after TiDB upgrade from 094f4df to 089cba4

[hawkingrei]

It only affects the master.