flaky test TestTopNFallBackAction #56306
Description
Bug Report
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topn_spill_test.go:209:
Error Trace: pkg/executor/sortexec/topn_spill_test.go:209
pkg/executor/sortexec/topn_spill_test.go:519
Error: Received unexpected error:
panic is triggered by random fail
github.com/pingcap/tidb/pkg/util.GetRecoverError
pkg/util/util.go:290
github.com/pingcap/tidb/pkg/executor/sortexec.processPanicAndLog
pkg/executor/sortexec/sort_util.go:50
github.com/pingcap/tidb/pkg/executor/sortexec.(*TopNExec).executeTopN.func1
pkg/executor/sortexec/topn.go:449
runtime.gopanic
GOROOT/src/runtime/panic.go:914
github.com/pingcap/tidb/pkg/executor/sortexec.injectParallelSortRandomFail
pkg/executor/sortexec/sort_util.go:73
github.com/pingcap/tidb/pkg/executor/sortexec.(*TopNExec).generateResultWithMultiWayMerge
pkg/executor/sortexec/topn.go:519
github.com/pingcap/tidb/pkg/executor/sortexec.(*TopNExec).generateTopNResultsWhenSpillTriggered
pkg/executor/sortexec/topn.go:576
github.com/pingcap/tidb/pkg/executor/sortexec.(*TopNExec).generateTopNResults
pkg/executor/sortexec/topn.go:593
github.com/pingcap/tidb/pkg/executor/sortexec.(*TopNExec).executeTopN
pkg/executor/sortexec/topn.go:473
runtime.goexit
src/runtime/asm_a