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Type: Problem report
Resolution: Fixed
Priority: Trivial
Fix Version/s: 5.0.19rc2, 5.4.9rc2, 6.0.0beta2, 6.0 (plan)
Affects Version/s: 5.0.18rc1, 5.4.8rc1, 6.0.0alpha6
Component/s: Agent (G)
Labels:
- agent2
- windows
- wmi

Sprint:
Sprint 82 (Nov 2021), Sprint 83 (Dec 2021)
Story Points:
1

Steps to reproduce:

Create a host that represents a working Windows server 2022 machine ( i my case - Standard Evaluation - version 21H2)
Add template "Template OS Windows by Zabbix agent" to this host
Unlink the template
Navigate to the list of items of this host and set update interval to 1 second for all items via mass update
Start monitoring this host using a windows version of Zabbix agent2
wait for some time (can take approximately 30 min)

Result: Agent crashes with the following output (but nothing is written to log):

C:\Users\Administrator\Desktop\zabbix_agent2_old\bin>zabbix_agent2.exe
Starting Zabbix Agent 2 [Windows_host]. (5.0.18rc1)
Press Ctrl+C to exit.
Exception 0xc0000005 0x0 0xffffffffffffffff 0x7ffb3b7cdf04
PC=0x7ffb3b7cdf04
signal arrived during external code execution

syscall.Syscall(0x7ffb3b7cdd70, 0x1, 0xc0001cb040, 0x0, 0x0, 0x0, 0x0, 0x0)
        c:/go/src/runtime/syscall_windows.go:188 +0xe9
syscall.(*Proc).Call(0xc0001d8d40, 0xc0002af8b8, 0x1, 0x1, 0xe339d0, 0xc00027d5c0, 0xa81389, 0x7ffb3b74e8f0)
        c:/go/src/syscall/dll_windows.go:171 +0x136
github.com/go-ole/go-ole.VariantClear(0xc0001cb040, 0x0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/go-ole/[email protected]/com.go:248 +0x76
github.com/go-ole/go-ole.(*VARIANT).Clear(...)
        C:/Users/ZABBIX/go/pkg/mod/github.com/go-ole/[email protected]/variant.go:47
zabbix.com/pkg/wmi.clearOle(0xc0001cb040)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:54 +0x36
zabbix.com/pkg/wmi.isPropertyKeyProperty(0x291c2658, 0xcf3700, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:90 +0x1cc
zabbix.com/pkg/wmi.(*valueResult).write.func1.1(0xc0001cac00, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:147 +0x224
github.com/go-ole/go-ole/oleutil.ForEach(0x28fe2488, 0xc00027d918, 0x0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/go-ole/[email protected]/oleutil/oleutil.go:122 +0x20b
zabbix.com/pkg/wmi.(*valueResult).write.func1(0xc0001caac0, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:127 +0x18a
github.com/go-ole/go-ole/oleutil.ForEach(0x290ae568, 0xc00027da88, 0x0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/go-ole/[email protected]/oleutil/oleutil.go:122 +0x20b
zabbix.com/pkg/wmi.(*valueResult).write(0xc0004fe6e0, 0x290ae568, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:114 +0x12f
zabbix.com/pkg/wmi.performQuery(0xc0002af3c0, 0xa, 0xc00016e4c0, 0x3a, 0xf04240, 0xc0004fe6e0, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:298 +0x43f
zabbix.com/pkg/wmi.QueryValue(...)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/wmi/wmi.go:306
zabbix.com/plugins/windows/wmi.(*Plugin).Export(0x149de80, 0xc0002af3d0, 0x7, 0xc00020e1c0, 0x2, 0x2, 0xf1fbe0, 0xc0005fdd40, 0x0, 0x0, ...)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/plugins/windows/wmi/wmi.go:44 +0x136
zabbix.com/internal/agent/scheduler.(*directExporterTask).perform.func1(0xc0005fdd40, 0xf1c9a0, 0xc000250230, 0xc000106c80, 0x50)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/scheduler/task.go:266 +0x492
created by zabbix.com/internal/agent/scheduler.(*directExporterTask).perform
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/scheduler/task.go:250 +0x6c

goroutine 1 [select, 6 minutes]:
main.run(0xc0002512c0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/cmd/zabbix_agent2/zabbix_agent2.go:147 +0x215
main.main()
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/cmd/zabbix_agent2/zabbix_agent2.go:501 +0x1904

goroutine 5 [select]:
zabbix.com/internal/agent/scheduler.(*Manager).run(0xc000250230)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/scheduler/manager.go:317 +0x1c4
created by zabbix.com/internal/agent/scheduler.(*Manager).Start
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/scheduler/manager.go:457 +0x5f

goroutine 6 [chan receive]:
zabbix.com/internal/agent/resultcache.(*MemoryCache).run(0xc0000da240)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/resultcache/memorycache.go:202 +0xb2
created by zabbix.com/internal/agent/resultcache.(*MemoryCache).Start
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/resultcache/memorycache.go:232 +0x5f

goroutine 7 [select]:
zabbix.com/internal/agent/serverconnector.(*Connector).run(0xc0001a2000)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverconnector/serverconnector.go:300 +0x207
created by zabbix.com/internal/agent/serverconnector.(*Connector).Start
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverconnector/serverconnector.go:358 +0x77

goroutine 8 [IO wait]:
internal/poll.runtime_pollWait(0x2a0c0f08, 0x72, 0xf05160)
        c:/go/src/runtime/netpoll.go:203 +0x5c
internal/poll.(*pollDesc).wait(0xc000016448, 0x72, 0xc1b400, 0x0, 0x0)
        c:/go/src/internal/poll/fd_poll_runtime.go:87 +0x4c
internal/poll.(*ioSrv).ExecIO(0x149a130, 0xc000016298, 0xc00020e380, 0x1, 0x0, 0x43c)
        c:/go/src/internal/poll/fd_windows.go:228 +0x121
internal/poll.(*FD).acceptOne(0xc000016280, 0x43c, 0xc00013b770, 0x2, 0x2, 0xc000016298, 0x5, 0x14, 0x5, 0x2)
        c:/go/src/internal/poll/fd_windows.go:896 +0xa9
internal/poll.(*FD).Accept(0xc000016280, 0xc00006de08, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        c:/go/src/internal/poll/fd_windows.go:930 +0x15f
net.(*netFD).accept(0xc000016280, 0xadd6ca, 0xc00006def0, 0xadd6f8)
        c:/go/src/net/fd_windows.go:193 +0x7b
net.(*TCPListener).accept(0xc0000986e0, 0x7f3, 0xc0002afac0, 0xe)
        c:/go/src/net/tcpsock_posix.go:139 +0x39
net.(*TCPListener).Accept(0xc0000986e0, 0xc00020e340, 0xcf40e0, 0xc0004fe920, 0xcf40e0)
        c:/go/src/net/tcpsock.go:261 +0x6b
zabbix.com/pkg/zbxcomms.(*Listener).Accept(0xc000098720, 0xb2d05e00, 0x1, 0x0, 0x1, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/pkg/zbxcomms/comms.go:307 +0x3e
zabbix.com/internal/agent/serverlistener.(*ServerListener).run(0xc0002512c0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverlistener/serverlistener.go:71 +0x169
created by zabbix.com/internal/agent/serverlistener.(*ServerListener).Start
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverlistener/serverlistener.go:111 +0x256

goroutine 9 [syscall, 6 minutes]:
os/signal.signal_recv(0x0)
        c:/go/src/runtime/sigqueue.go:147 +0xa3
os/signal.loop()
        c:/go/src/os/signal/signal_unix.go:23 +0x29
created by os/signal.Notify.func1
        c:/go/src/os/signal/signal.go:127 +0x4b

goroutine 10 [syscall, 6 minutes, locked to thread]:
syscall.Syscall(0x7ffb3b303920, 0x2, 0x5e0, 0xffffffff, 0x0, 0x0, 0x0, 0x0)
        c:/go/src/runtime/syscall_windows.go:188 +0xe9
syscall.WaitForSingleObject(0x5e0, 0xc0ffffffff, 0x0, 0x0, 0x435d2d)
        c:/go/src/syscall/zsyscall_windows.go:738 +0x6b
github.com/natefinch/npipe.waitForCompletion(0x5d0, 0xc000140160, 0xf05160, 0xc0001bbfd0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/natefinch/[email protected]/npipe_windows.go:182 +0x42
github.com/natefinch/npipe.(*PipeListener).AcceptPipe(0xc0000e6000, 0x0, 0x0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/natefinch/[email protected]/npipe_windows.go:327 +0x2fa
github.com/natefinch/npipe.(*PipeListener).Accept(0xc0000e6000, 0x0, 0x0, 0x0, 0x0)
        C:/Users/ZABBIX/go/pkg/mod/github.com/natefinch/[email protected]/npipe_windows.go:263 +0x36
zabbix.com/internal/agent/remotecontrol.(*Conn).run(0xc000098740)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/remotecontrol/remote.go:64 +0x4f
created by zabbix.com/internal/agent/remotecontrol.(*Conn).Start
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/remotecontrol/remote.go:80 +0x56

goroutine 11330 [select]:
zabbix.com/internal/agent/scheduler.(*Manager).PerformTask(0xc000250230, 0xc000106c80, 0x50, 0xdf8475800, 0x1, 0x50, 0x0, 0x0, 0x0)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/scheduler/manager.go:500 +0x246
zabbix.com/internal/agent/serverlistener.(*passiveCheck).handleCheck(0xc00020e080, 0xc00017480d, 0x50, 0x7f3)
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverlistener/passivecheck.go:48 +0xd3
created by zabbix.com/internal/agent/serverlistener.(*ServerListener).processConnection
        C:/Users/ZABBIX/build-agents-dev/zabbix-5.0.18rc1/src/go/internal/agent/serverlistener/serverlistener.go:61 +0x25a
rax     0x5ade573fda4eef2b
rbx     0x9
rcx     0x291c3538
rdi     0xc0001cb040
rsi     0x0
rbp     0x9
rsp     0x2b0ffd50
r8      0x0
r9      0x0
r10     0xbaac1f10365eb170
r11     0xc0002af8b0
r12     0x2000
r13     0x1000ff7ffc
r14     0x0
r15     0x6000
rip     0x7ffb3b7cdf04
rflags  0x10202
cs      0x33
fs      0x53
gs      0x2b

Expected: no agent crashes should be observed

duplicates

ZBX-19595 ZabbixAgent2 crashes when certain WQLs are used in wmi.getall

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