panic in tests/pdctl/operator

[lhy1024]

Flaky Test

Which jobs are failing

[2023/11/22 07:04:19.297 +00:00] [FATAL] [log.go:87] [panic] [recover="\"invalid memory address or nil pointer dereference\""] [stack="github.com/tikv/pd/pkg/utils/logutil.LogPanic\n\t/home/runner/work/pd/pd/pkg/utils/logutil/log.go:87\nruntime.gopanic\n\t/opt/hostedtoolcache/go/1.21.4/x64/src/runtime/panic.go:920\nruntime.panicmem\n\t/opt/hostedtoolcache/go/1.21.4/x64/src/runtime/panic.go:261\nruntime.sigpanic\n\t/opt/hostedtoolcache/go/1.21.4/x64/src/runtime/signal_unix.go:861\ngithub.com/tikv/pd/pkg/schedule/checker.(*RuleChecker).CheckWithFit\n\t/home/runner/work/pd/pd/pkg/schedule/checker/rule_checker.go:142\ngithub.com/tikv/pd/pkg/schedule/checker.(*Controller).CheckRegion\n\t/home/runner/work/pd/pd/pkg/schedule/checker/checker_controller.go:103\ngithub.com/tikv/pd/pkg/schedule.(*Coordinator).tryAddOperators\n\t/home/runner/work/pd/pd/pkg/schedule/coordinator.go:301\ngithub.com/tikv/pd/pkg/schedule.(*Coordinator).checkSuspectRegions\n\t/home/runner/work/pd/pd/pkg/schedule/coordinator.go:212\ngithub.com/tikv/pd/pkg/schedule.(*Coordinator).PatrolRegions\n\t/home/runner/work/pd/pd/pkg/schedule/coordinator.go:170"]

CI link

https://github.com/tikv/pd/actions/runs/6952490392/job/18916139666?pr=7403
https://github.com/tikv/pd/actions/runs/6953924973/job/18919849256?pr=7368

Reason for failure (if possible)

Anything else