tests: panic in TestRandomResignLeader

[lhy1024]

Flaky Test

Which jobs are failing

2023-10-26T16:54:16.7734625Z === RUN   TestMicroserviceTSOClient/TestRandomResignLeader
2023-10-26T16:54:20.7752051Z [2023/10/26 16:54:20.774 +00:00] [INFO] [lease.go:187] ["stop lease keep alive worker"] [purpose="keyspace group primary election"]
2023-10-26T16:54:20.7766489Z [2023/10/26 16:54:20.776 +00:00] [INFO] [lease.go:187] ["stop lease keep alive worker"] [purpose="keyspace group primary election"]
2023-10-26T16:54:20.7772898Z [2023/10/26 16:54:20.777 +00:00] [INFO] [lease.go:187] ["stop lease keep alive worker"] [purpose="keyspace group primary election"]
2023-10-26T16:54:20.7791238Z [2023/10/26 16:54:20.778 +00:00] [ERROR] [tso_dispatcher.go:493] ["[tso] getTS error"] [dc-location=global] [stream-addr=http://127.0.0.1:42227] [error="[PD:client:ErrClientGetTSO]get TSO failed, after processing requests"]
2023-10-26T16:54:20.7848658Z [2023/10/26 16:54:20.784 +00:00] [ERROR] [tso_dispatcher.go:493] ["[tso] getTS error"] [dc-location=global] [stream-addr=http://127.0.0.1:42227] [error="[PD:client:ErrClientGetTSO]get TSO failed, after processing requests"]
2023-10-26T16:54:20.7855432Z [2023/10/26 16:54:20.785 +00:00] [ERROR] [tso_dispatcher.go:493] ["[tso] getTS error"] [dc-location=global] [stream-addr=http://127.0.0.1:42227] [error="[PD:client:ErrClientGetTSO]get TSO failed, after processing requests"]
2023-10-26T16:54:20.7902963Z [2023/10/26 16:54:20.789 +00:00] [INFO] [leadership.go:320] ["current leadership is deleted"] [revision=140] [leader-key=/ms/7294311158318438319/tso/keyspace_groups/election/00001/primary] [purpose="keyspace group primary election"]
2023-10-26T16:54:20.7912563Z [2023/10/26 16:54:20.790 +00:00] [INFO] [leadership.go:320] ["current leadership is deleted"] [revision=140] [leader-key=/ms/7294311158318438319/tso/keyspace_groups/election/00001/primary] [purpose="keyspace group primary election"]
2023-10-26T16:54:20.7920644Z [2023/10/26 16:54:20.789 +00:00] [ERROR] [tso_dispatcher.go:493] ["[tso] getTS error"] [dc-location=global] [stream-addr=http://127.0.0.1:42227] [error="[PD:client:ErrClientGetTSO]get TSO failed, after processing requests"]
2023-10-26T16:54:20.7933581Z [2023/10/26 16:54:20.792 +00:00] [ERROR] [tso_dispatcher.go:493] ["[tso] getTS error"] [dc-location=global] [stream-addr=http://127.0.0.1:42835] [error="[PD:client:ErrClientGetTSO]get TSO failed, after processing requests"]
2023-10-26T16:54:20.7951348Z [2023/10/26 16:54:20.794 +00:00] [INFO] [global_allocator.go:645] ["no longer a primary because lease has expired, the tso primary will step down"] []
2023-10-26T16:54:20.7990599Z panic: runtime error: invalid memory address or nil pointer dereference
2023-10-26T16:54:20.7993916Z [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x2eaf654]
2023-10-26T16:54:20.7994884Z 
2023-10-26T16:54:20.7995534Z goroutine 561154 [running]:
2023-10-26T16:54:20.7996421Z github.com/tikv/pd/pkg/member.(*Participant).GetLeaderListenUrls(0xc009a53320?)
2023-10-26T16:54:20.7997532Z 	/home/runner/work/pd/pd/pkg/member/participant.go:140 +0x94
2023-10-26T16:54:20.7998544Z github.com/tikv/pd/pkg/tso.(*AllocatorManager).GetLeaderAddr(0xc006130000)
2023-10-26T16:54:20.7999586Z 	/home/runner/work/pd/pd/pkg/tso/allocator_manager.go:1415 +0xe2
2023-10-26T16:54:20.8001350Z github.com/tikv/pd/pkg/mcs/tso/server.(*Service).FindGroupByKeyspaceID(0xc0014c8b68, {0xc00e7ddd10?, 0x1041f45?}, 0xc00e7ddd10)
2023-10-26T16:54:20.8003159Z 	/home/runner/work/pd/pd/pkg/mcs/tso/server/grpc_service.go:201 +0xd16
2023-10-26T16:54:20.8004693Z github.com/pingcap/kvproto/pkg/tsopb._TSO_FindGroupByKeyspaceID_Handler({0x436da60?, 0xc0014c8b68}, {0x5146170, 0xc00e7ddce0}, 0xc0167831a0, 0x0)
2023-10-26T16:54:20.8007689Z 	/home/runner/go/pkg/mod/github.com/pingcap/kvproto@v0.0.0-20231018065736-c0689aded40c/pkg/tsopb/tsopb.pb.go:1097 +0x22e
2023-10-26T16:54:20.8009574Z google.golang.org/grpc.(*Server).processUnaryRPC(0xc0052e9980, {0x5154d00, 0xc00c7c5980}, 0xc009f0ae00, 0xc0088e6bd0, 0x6530540, 0x0)
2023-10-26T16:54:20.8011456Z 	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.26.0/server.go:1024 +0x1495
2023-10-26T16:54:20.8012734Z google.golang.org/grpc.(*Server).handleStream(0xc0052e9980, {0x5154d00, 0xc00c7c5980}, 0xc009f0ae00, 0x0)
2023-10-26T16:54:20.8014520Z 	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.26.0/server.go:1313 +0xf73
2023-10-26T16:54:20.8015525Z google.golang.org/grpc.(*Server).serveStreams.func1.1()
2023-10-26T16:54:20.8016507Z 	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.26.0/server.go:722 +0xe7
2023-10-26T16:54:20.8017613Z created by google.golang.org/grpc.(*Server).serveStreams.func1 in goroutine 80923
2023-10-26T16:54:20.8018777Z 	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.26.0/server.go:720 +0x186
2023-10-26T16:54:20.8609486Z FAIL	github.com/tikv/pd/tests/integrations/tso	178.303s
2023-10-26T16:54:20.8769148Z FAIL

CI link

https://github.com/tikv/pd/actions/runs/6657235162/job/18091509886

Reason for failure (if possible)

Anything else

[lhy1024]

pd/pkg/member/participant.go

Lines 136 to 141 in 092ec86

	func (m *Participant) GetLeaderListenUrls() []string {
	if m.GetLeader() == nil {
	return nil
	}
	return m.GetLeader().GetListenUrls()
	}