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[BUG] Race in simulator vm.Reconfigure while another thread is reading properties #3697

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#3700
Closed
[BUG] Race in simulator vm.Reconfigure while another thread is reading properties#3697
#3700
@prziborowski

Description

@prziborowski
prziborowski
opened on Feb 24, 2025

Describe the bug
I hit this race once as far as I'm aware during some integration tests, where we have a reconcile thread that reads VM properties, and the test thread that does a vm.Reconfigure operation (at least that is my theory since all I have in backtraces from the simulator side).

To Reproduce
Steps to reproduce the behavior:
I don't have clear steps at the moment. It appears that part of the code is for an ethernet card that doesn't have its properties filled out (macAddress/unitNumber).
I suspect some sort of lock is missing that would prevent writing to that config while property collector is reading it.

Expected behavior
Expect no data race in this part of the code.

Affected version
[email protected]

Screenshots/Debug Output

2025-02-24T16:40:54.5885532Z ==================
2025-02-24T16:40:54.5886097Z WARNING: DATA RACE
2025-02-24T16:40:54.5888491Z Read at 0x000005463148 by goroutine 508:
2025-02-24T16:40:54.5888966Z   reflect.Value.Index()
2025-02-24T16:40:54.5889427Z       /usr/local/go/src/reflect/value.go:1419 +0x256
2025-02-24T16:40:54.5991382Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.5992244Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x168d
2025-02-24T16:40:54.5992952Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.5993668Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.5994170Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.5994666Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6066985Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6067865Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x16b3
2025-02-24T16:40:54.6068466Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6069142Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6070067Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6070559Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6071289Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6072348Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6108403Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6120116Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6121871Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6133218Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6133775Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6134250Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6134622Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6135050Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x16b3
2025-02-24T16:40:54.6135638Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6136062Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6136427Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6136804Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6137152Z   github.com/vmware/govmomi/vim25/xml.(*Encoder).Encode()
2025-02-24T16:40:54.6140185Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:162 +0x64
2025-02-24T16:40:54.6142643Z   github.com/vmware/govmomi/vim25/xml.Marshal()
2025-02-24T16:40:54.6143328Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:81 +0x204
2025-02-24T16:40:54.6143826Z   github.com/vmware/govmomi/simulator.deepCopy()
2025-02-24T16:40:54.6144477Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/object.go:69 +0x44
2025-02-24T16:40:54.6145545Z   github.com/vmware/govmomi/simulator.(*retrieveResult).collect()
2025-02-24T16:40:54.6146078Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:476 +0x471
2025-02-24T16:40:54.6146530Z   github.com/vmware/govmomi/simulator.collect.func2()
2025-02-24T16:40:54.6147087Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:555 +0xa5
2025-02-24T16:40:54.6148785Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:54.6149262Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:54.6149816Z   github.com/vmware/govmomi/simulator.(*Context).WithLock()
2025-02-24T16:40:54.6203767Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/session_manager.go:432 +0x364
2025-02-24T16:40:54.6204466Z   github.com/vmware/govmomi/simulator.collect()
2025-02-24T16:40:54.6205061Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:555 +0x270
2025-02-24T16:40:54.6205591Z   github.com/vmware/govmomi/simulator.(*PropertyCollector).RetrievePropertiesEx()
2025-02-24T16:40:54.6206158Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:670 +0xaf
2025-02-24T16:40:54.6206702Z   runtime.call32()
2025-02-24T16:40:54.6208195Z       /usr/local/go/src/runtime/asm_amd64.s:776 +0x42
2025-02-24T16:40:54.6208788Z   reflect.Value.Call()
2025-02-24T16:40:54.6209181Z       /usr/local/go/src/reflect/value.go:365 +0xb5
2025-02-24T16:40:54.6209592Z   github.com/vmware/govmomi/simulator.(*Service).call.func1()
2025-02-24T16:40:54.6210955Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:217 +0x87
2025-02-24T16:40:54.6211558Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:54.6212054Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:54.6212515Z   github.com/vmware/govmomi/simulator.(*Service).call()
2025-02-24T16:40:54.6212979Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:216 +0x1bcd
2025-02-24T16:40:54.6213629Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK()
2025-02-24T16:40:54.6214248Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:514 +0xe12
2025-02-24T16:40:54.6214976Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK-fm()
2025-02-24T16:40:54.6215366Z       <autogenerated>:1 +0x51
2025-02-24T16:40:54.6215750Z   net/http.HandlerFunc.ServeHTTP()
2025-02-24T16:40:54.6216139Z       /usr/local/go/src/net/http/server.go:2220 +0x47
2025-02-24T16:40:54.6216540Z   net/http.(*ServeMux).ServeHTTP()
2025-02-24T16:40:54.6216948Z       /usr/local/go/src/net/http/server.go:2747 +0x255
2025-02-24T16:40:54.6217338Z   net/http.serverHandler.ServeHTTP()
2025-02-24T16:40:54.6217779Z       /usr/local/go/src/net/http/server.go:3210 +0x2a1
2025-02-24T16:40:54.6218135Z   net/http.(*conn).serve()
2025-02-24T16:40:54.6218490Z       /usr/local/go/src/net/http/server.go:2092 +0x12a4
2025-02-24T16:40:54.6219005Z   net/http.(*Server).Serve.gowrap3()
2025-02-24T16:40:54.6219404Z       /usr/local/go/src/net/http/server.go:3360 +0x4f
2025-02-24T16:40:54.6219654Z 
2025-02-24T16:40:54.6219847Z Previous write at 0x000005463148 by goroutine 604:
2025-02-24T16:40:54.6220297Z   github.com/vmware/govmomi/object.VirtualDeviceList.AssignController()
2025-02-24T16:40:54.6220845Z       /go/pkg/mod/github.com/vmware/[email protected]/object/virtual_device_list.go:553 +0x2b9
2025-02-24T16:40:54.6221344Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configureDevice()
2025-02-24T16:40:54.6221786Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:1348 +0x20fe
2025-02-24T16:40:54.6222268Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configureDevices()
2025-02-24T16:40:54.6222757Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:1850 +0xf46
2025-02-24T16:40:54.6223189Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configure()
2025-02-24T16:40:54.6226027Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:610 +0x848
2025-02-24T16:40:54.6226595Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).ReconfigVMTask.func1()
2025-02-24T16:40:54.6227120Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:2108 +0x3b5
2025-02-24T16:40:54.6227730Z   github.com/vmware/govmomi/simulator.(*Task).Run.func1()
2025-02-24T16:40:54.6228173Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/task.go:130 +0x13b
2025-02-24T16:40:54.6228457Z 
2025-02-24T16:40:54.6229193Z Goroutine 508 (running) created at:
2025-02-24T16:40:54.6249188Z   net/http.(*Server).Serve()
2025-02-24T16:40:54.6249537Z       /usr/local/go/src/net/http/server.go:3360 +0x8ec
2025-02-24T16:40:54.6249926Z   github.com/vmware/govmomi/simulator/internal.(*Server).goServe.func1()
2025-02-24T16:40:54.6250398Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/internal/server.go:278 +0xbb
2025-02-24T16:40:54.6250674Z 
2025-02-24T16:40:54.6250818Z Goroutine 604 (finished) created at:
2025-02-24T16:40:54.6251147Z   github.com/vmware/govmomi/simulator.(*Task).Run()
2025-02-24T16:40:54.6251597Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/task.go:125 +0x724
2025-02-24T16:40:54.6252020Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).ReconfigVMTask()
2025-02-24T16:40:54.6252469Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:2115 +0x164
2025-02-24T16:40:54.6252867Z   runtime.call32()
2025-02-24T16:40:54.6253263Z       /usr/local/go/src/runtime/asm_amd64.s:776 +0x42
2025-02-24T16:40:54.6253550Z   reflect.Value.Call()
2025-02-24T16:40:54.6253910Z       /usr/local/go/src/reflect/value.go:365 +0xb5
2025-02-24T16:40:54.6254252Z   github.com/vmware/govmomi/simulator.(*Service).call.func1()
2025-02-24T16:40:54.6254611Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:217 +0x87
2025-02-24T16:40:54.6255001Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:54.6255617Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:54.6256010Z   github.com/vmware/govmomi/simulator.(*Service).call()
2025-02-24T16:40:54.6256373Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:216 +0x1bcd
2025-02-24T16:40:54.6256811Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK()
2025-02-24T16:40:54.6257219Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:514 +0xe12
2025-02-24T16:40:54.6257955Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK-fm()
2025-02-24T16:40:54.6258385Z       <autogenerated>:1 +0x51
2025-02-24T16:40:54.6258721Z   net/http.HandlerFunc.ServeHTTP()
2025-02-24T16:40:54.6259098Z       /usr/local/go/src/net/http/server.go:2220 +0x47
2025-02-24T16:40:54.6259619Z   net/http.(*ServeMux).ServeHTTP()
2025-02-24T16:40:54.6259964Z       /usr/local/go/src/net/http/server.go:2747 +0x255
2025-02-24T16:40:54.6260416Z   net/http.serverHandler.ServeHTTP()
2025-02-24T16:40:54.6260810Z       /usr/local/go/src/net/http/server.go:3210 +0x2a1
2025-02-24T16:40:54.6261144Z   net/http.(*conn).serve()
2025-02-24T16:40:54.6261442Z       /usr/local/go/src/net/http/server.go:2092 +0x12a4
2025-02-24T16:40:54.6261763Z   net/http.(*Server).Serve.gowrap3()
2025-02-24T16:40:54.6262073Z       /usr/local/go/src/net/http/server.go:3360 +0x4f
2025-02-24T16:40:54.6262376Z ==================
2025-02-24T16:40:54.6262599Z ==================
2025-02-24T16:40:54.6262873Z WARNING: DATA RACE
2025-02-24T16:40:54.6263314Z Read at 0x00c0010e053c by goroutine 508:
2025-02-24T16:40:54.6263644Z   reflect.Value.Int()
2025-02-24T16:40:54.6263918Z       /usr/local/go/src/reflect/value.go:1458 +0x150
2025-02-24T16:40:54.6264296Z   github.com/vmware/govmomi/vim25/xml.isEmptyValue()
2025-02-24T16:40:54.6264683Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:1057 +0xb4
2025-02-24T16:40:54.6265050Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6265460Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:413 +0x10b
2025-02-24T16:40:54.6265808Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6266180Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x16b3
2025-02-24T16:40:54.6266561Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6266939Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6267303Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6267809Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6268192Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6268587Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x16b3
2025-02-24T16:40:54.6268968Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6269401Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6269768Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6270294Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6270692Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6271193Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6271544Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6271899Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6272259Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6272607Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6272998Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6273469Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6273869Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6274246Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:455 +0x16b3
2025-02-24T16:40:54.6274663Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalStruct()
2025-02-24T16:40:54.6275016Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:960 +0x14c5
2025-02-24T16:40:54.6275385Z   github.com/vmware/govmomi/vim25/xml.(*printer).marshalValue()
2025-02-24T16:40:54.6275735Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:532 +0x14a4
2025-02-24T16:40:54.6276145Z   github.com/vmware/govmomi/vim25/xml.(*Encoder).Encode()
2025-02-24T16:40:54.6276498Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:162 +0x64
2025-02-24T16:40:54.6277136Z   github.com/vmware/govmomi/vim25/xml.Marshal()
2025-02-24T16:40:54.6277724Z       /go/pkg/mod/github.com/vmware/[email protected]/vim25/xml/marshal.go:81 +0x204
2025-02-24T16:40:54.6278159Z   github.com/vmware/govmomi/simulator.deepCopy()
2025-02-24T16:40:54.6278625Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/object.go:69 +0x44
2025-02-24T16:40:54.6279036Z   github.com/vmware/govmomi/simulator.(*retrieveResult).collect()
2025-02-24T16:40:54.6279460Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:476 +0x471
2025-02-24T16:40:54.6279989Z   github.com/vmware/govmomi/simulator.collect.func2()
2025-02-24T16:40:54.6280474Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:555 +0xa5
2025-02-24T16:40:54.6280840Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:54.6281277Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:54.6281680Z   github.com/vmware/govmomi/simulator.(*Context).WithLock()
2025-02-24T16:40:54.6282194Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/session_manager.go:432 +0x364
2025-02-24T16:40:54.6282639Z   github.com/vmware/govmomi/simulator.collect()
2025-02-24T16:40:54.6283171Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:555 +0x270
2025-02-24T16:40:54.6283708Z   github.com/vmware/govmomi/simulator.(*PropertyCollector).RetrievePropertiesEx()
2025-02-24T16:40:54.6284212Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/property_collector.go:670 +0xaf
2025-02-24T16:40:54.6284580Z   runtime.call32()
2025-02-24T16:40:54.6284895Z       /usr/local/go/src/runtime/asm_amd64.s:776 +0x42
2025-02-24T16:40:54.6285244Z   reflect.Value.Call()
2025-02-24T16:40:54.6285636Z       /usr/local/go/src/reflect/value.go:365 +0xb5
2025-02-24T16:40:54.6285968Z   github.com/vmware/govmomi/simulator.(*Service).call.func1()
2025-02-24T16:40:54.6286356Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:217 +0x87
2025-02-24T16:40:54.6286745Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:54.6287129Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:54.6287535Z   github.com/vmware/govmomi/simulator.(*Service).call()
2025-02-24T16:40:54.6288001Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:216 +0x1bcd
2025-02-24T16:40:54.6288408Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK()
2025-02-24T16:40:54.6288761Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:514 +0xe12
2025-02-24T16:40:54.6289382Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK-fm()
2025-02-24T16:40:54.6289718Z       <autogenerated>:1 +0x51
2025-02-24T16:40:54.6290030Z   net/http.HandlerFunc.ServeHTTP()
2025-02-24T16:40:56.4717854Z       /usr/local/go/src/net/http/server.go:2220 +0x47
2025-02-24T16:40:56.4718360Z   net/http.(*ServeMux).ServeHTTP()
2025-02-24T16:40:56.4814289Z       /usr/local/go/src/net/http/server.go:2747 +0x255
2025-02-24T16:40:56.4815169Z   net/http.serverHandler.ServeHTTP()
2025-02-24T16:40:56.4858061Z       /usr/local/go/src/net/http/server.go:3210 +0x2a1
2025-02-24T16:40:56.4858416Z   net/http.(*conn).serve()
2025-02-24T16:40:56.4865379Z       /usr/local/go/src/net/http/server.go:2092 +0x12a4
2025-02-24T16:40:56.4878180Z   net/http.(*Server).Serve.gowrap3()
2025-02-24T16:40:56.4878650Z       /usr/local/go/src/net/http/server.go:3360 +0x4f
2025-02-24T16:40:56.4884495Z 
2025-02-24T16:40:56.4884706Z Previous write at 0x00c0010e053c by goroutine 604:
2025-02-24T16:40:56.4885221Z   github.com/vmware/govmomi/object.VirtualDeviceList.AssignController()
2025-02-24T16:40:56.4899486Z       /go/pkg/mod/github.com/vmware/[email protected]/object/virtual_device_list.go:553 +0x295
2025-02-24T16:40:56.4899937Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configureDevice()
2025-02-24T16:40:56.4905076Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:1348 +0x20fe
2025-02-24T16:40:56.5024788Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configureDevices()
2025-02-24T16:40:56.5025562Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:1850 +0xf46
2025-02-24T16:40:56.5026008Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).configure()
2025-02-24T16:40:56.5026394Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:610 +0x848
2025-02-24T16:40:56.5046602Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).ReconfigVMTask.func1()
2025-02-24T16:40:56.5059847Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:2108 +0x3b5
2025-02-24T16:40:56.5069014Z   github.com/vmware/govmomi/simulator.(*Task).Run.func1()
2025-02-24T16:40:56.5069547Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/task.go:130 +0x13b
2025-02-24T16:40:56.5069752Z 
2025-02-24T16:40:56.5069851Z Goroutine 508 (running) created at:
2025-02-24T16:40:56.5089844Z   net/http.(*Server).Serve()
2025-02-24T16:40:56.5106194Z       /usr/local/go/src/net/http/server.go:3360 +0x8ec
2025-02-24T16:40:56.5106563Z   github.com/vmware/govmomi/simulator/internal.(*Server).goServe.func1()
2025-02-24T16:40:56.5118419Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/internal/server.go:278 +0xbb
2025-02-24T16:40:56.5122850Z 
2025-02-24T16:40:56.5122985Z Goroutine 604 (finished) created at:
2025-02-24T16:40:56.5127782Z   github.com/vmware/govmomi/simulator.(*Task).Run()
2025-02-24T16:40:56.5149109Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/task.go:125 +0x724
2025-02-24T16:40:56.5311240Z   github.com/vmware/govmomi/simulator.(*VirtualMachine).ReconfigVMTask()
2025-02-24T16:40:56.5311719Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/virtual_machine.go:2115 +0x164
2025-02-24T16:40:56.5312006Z   runtime.call32()
2025-02-24T16:40:56.5312254Z       /usr/local/go/src/runtime/asm_amd64.s:776 +0x42
2025-02-24T16:40:56.5312566Z   reflect.Value.Call()
2025-02-24T16:40:56.5312853Z       /usr/local/go/src/reflect/value.go:365 +0xb5
2025-02-24T16:40:56.5423780Z   github.com/vmware/govmomi/simulator.(*Service).call.func1()
2025-02-24T16:40:56.5438778Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:217 +0x87
2025-02-24T16:40:56.5444339Z   github.com/vmware/govmomi/simulator.(*Registry).WithLock()
2025-02-24T16:40:56.5444893Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/registry.go:666 +0x58
2025-02-24T16:40:56.5457578Z   github.com/vmware/govmomi/simulator.(*Service).call()
2025-02-24T16:40:56.5458091Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:216 +0x1bcd
2025-02-24T16:40:56.5464050Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK()
2025-02-24T16:40:56.5470007Z       /go/pkg/mod/github.com/vmware/[email protected]/simulator/simulator.go:514 +0xe12
2025-02-24T16:40:56.5470807Z   github.com/vmware/govmomi/simulator.(*Service).ServeSDK-fm()
2025-02-24T16:40:56.5478472Z       <autogenerated>:1 +0x51
2025-02-24T16:40:56.5478828Z   net/http.HandlerFunc.ServeHTTP()
2025-02-24T16:40:56.5490070Z       /usr/local/go/src/net/http/server.go:2220 +0x47
2025-02-24T16:40:56.5494627Z   net/http.(*ServeMux).ServeHTTP()
2025-02-24T16:40:56.5500572Z       /usr/local/go/src/net/http/server.go:2747 +0x255
2025-02-24T16:40:56.5505791Z   net/http.serverHandler.ServeHTTP()
2025-02-24T16:40:56.5515330Z       /usr/local/go/src/net/http/server.go:3210 +0x2a1
2025-02-24T16:40:56.5515652Z   net/http.(*conn).serve()
2025-02-24T16:40:56.5533084Z       /usr/local/go/src/net/http/server.go:2092 +0x12a4
2025-02-24T16:40:56.5602891Z   net/http.(*Server).Serve.gowrap3()
2025-02-24T16:40:56.5603345Z       /usr/local/go/src/net/http/server.go:3360 +0x4f
2025-02-24T16:40:56.5649478Z ==================

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