B
brucepei
Guest
Hi,
I'm using UDECX to emulate a Virtual USB audio device. It requires to use Dynamic type endpoint creation along with UDE class extension.
Then I get a crash and Udecx.sys has a NULL pointer issue. Anyone could help?
System Uptime: 0 days 0:03:09.053
Break instruction exception - code 80000003 (first chance)
*******************************************************************************
* *
* You are seeing this message because you pressed either *
* CTRL+C (if you run console kernel debugger) or, *
* CTRL+BREAK (if you run GUI kernel debugger), *
* on your debugger machine's keyboard. *
* *
* THIS IS NOT A BUG OR A SYSTEM CRASH *
* *
* If you did not intend to break into the debugger, press the "g" key, then *
* press the "Enter" key now. This message might immediately reappear. If it *
* does, press "g" and "Enter" again. *
* *
*******************************************************************************
nt!DbgBreakPointWithStatus:
fffff801`4a681370 cc int 3
kd> g
KDTARGET: Refreshing KD connection
*** Fatal System Error: 0x0000010d
(0x0000000000000004,0x0000000000000000,0xFFFFF8014DB68139,0xFFFF998188651530)
Break instruction exception - code 80000003 (first chance)
A fatal system error has occurred.
Debugger entered on first try; Bugcheck callbacks have not been invoked.
A fatal system error has occurred.
For analysis of this file, run !analyze -v
nt!DbgBreakPointWithStatus:
fffff801`4a681370 cc int 3
kd> !analyze -v
Connected to Windows 10 18362 x64 target at (Sun Mar 29 13:02:41.250 2020 (UTC + 8:00)), ptr64 TRUE
Loading Kernel Symbols
...............................................................
................................................................
...............
Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long.
Run !sym noisy before .reload to track down problems loading symbols.
....................................
Loading User Symbols
Loading unloaded module list
......
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
WDF_VIOLATION (10d)
The Kernel-Mode Driver Framework was notified that Windows detected an error
in a framework-based driver. In general, the dump file will yield additional
information about the driver that caused this bug check.
Arguments:
Arg1: 0000000000000004, A NULL parameter was passed to a function that required a non-
NULL value. Use the "ln" debugger command with the value of
Parameter 3 as its argument to determine the function which
requires a non-NULL parameter.
Arg2: 0000000000000000, Reserved.
Arg3: fffff8014db68139, The caller's address.
Arg4: ffff998188651530, Reserved.
Debugging Details:
------------------
KEY_VALUES_STRING: 1
PROCESSES_ANALYSIS: 1
SERVICE_ANALYSIS: 1
STACKHASH_ANALYSIS: 1
TIMELINE_ANALYSIS: 1
DUMP_CLASS: 1
DUMP_QUALIFIER: 0
BUILD_VERSION_STRING: 18362.1.amd64fre.19h1_release.190318-1202
DUMP_TYPE: 0
BUGCHECK_P1: 4
BUGCHECK_P2: 0
BUGCHECK_P3: fffff8014db68139
BUGCHECK_P4: ffff998188651530
BUGCHECK_STR: 0x10D_4
CPU_COUNT: 1
CPU_MHZ: a98
CPU_VENDOR: GenuineIntel
CPU_FAMILY: 6
CPU_MODEL: 5e
CPU_STEPPING: 3
CPU_MICROCODE: 6,5e,3,0 (F,M,S,R) SIG: 0'00000000 (cache) 0'00000000 (init)
DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT
PROCESS_NAME: System
CURRENT_IRQL: 0
ANALYSIS_SESSION_HOST: PCSZPEIB01
ANALYSIS_SESSION_TIME: 03-29-2020 13:02:48.0320
ANALYSIS_VERSION: 10.0.18362.1 amd64fre
LAST_CONTROL_TRANSFER: from fffff8014a761522 to fffff8014a681370
STACK_TEXT:
fffffb03`889a8b98 fffff801`4a761522 : 00000000`00000004 00000000`00000003 fffffb03`889a8d00 fffff801`4a5d5b90 : nt!DbgBreakPointWithStatus
fffffb03`889a8ba0 fffff801`4a760c12 : 00000000`00000003 fffffb03`889a8d00 fffff801`4a68db60 00000000`0000010d : nt!KiBugCheckDebugBreak+0x12
fffffb03`889a8c00 fffff801`4a6795e7 : 00000000`0000000a 00000000`00000002 fffff801`4db68139 fffff801`4b740e12 : nt!KeBugCheck2+0x952
fffffb03`889a9300 fffff801`4b78b823 : 00000000`0000010d 00000000`00000004 00000000`00000000 fffff801`4db68139 : nt!KeBugCheckEx+0x107
fffffb03`889a9340 fffff801`4b78b8b4 : fffff801`4db68139 fffffb03`889a9510 ffff9981`8902cbc0 00000000`00000000 : Wdf01000!FxVerifierBugCheckWorker+0x1f [minkernel\wdf\framework\shared\object\fxverifierbugcheck.cpp @ 68]
fffffb03`889a9380 fffff801`4b74bb1f : 0000667e`77802458 00000000`00000019 fffff801`4db494c8 00000000`00000060 : Wdf01000!FxVerifierNullBugCheck+0x44 [minkernel\wdf\framework\shared\object\fxverifierbugcheck.cpp @ 102]
fffffb03`889a93c0 fffff801`4db68139 : 0000667e`77802458 ffff9981`8902cbc0 00000000`00000000 fffff801`00000000 : Wdf01000!imp_WdfObjectGetTypedContextWorker+0x1a54f [minkernel\wdf\framework\shared\object\handleapi.cpp @ 608]
fffffb03`889a9410 fffff801`4db67a93 : 0000667e`77966fd8 0000667e`77802458 00000000`00000040 fffffb03`889a9630 : udecx!UsbDevice_UcxEndpointAdd+0x4b1
fffffb03`889a95c0 fffff801`4db8d5ab : ffff9981`891af9e0 00000001`00000024 00000001`00000000 00000000`00000000 : udecx!EvtUcxUsbDeviceDefaultEndpointAdd+0x73
fffffb03`889a9600 fffff801`4dbf3373 : ffff9981`89827370 00000000`00000fa0 ffff9981`89827568 ffff9981`89827370 : ucx01000!DefaultEndpoint_Create+0xbb
fffffb03`889a96f0 fffff801`4dbecff0 : 00000000`00000fed fffffb03`889a97a8 00000000`00000004 fffffb03`889a97b0 : UsbHub3!HUBUCX_CreateDefaultEndpointInUCX+0x33
fffffb03`889a9730 fffff801`4dbd9db3 : 00000000`00000fed fffff801`4dbd9c4b 00000000`000010f6 fffff801`4dbd95cc : UsbHub3!HUBDSM_CreatingUCXDefaultEndpoint+0x10
fffffb03`889a9760 fffff801`4dbdb00a : ffff9981`00000fa0 00000000`00000fed fffffb03`00000fa0 fffff801`4dc33b50 : UsbHub3!HUBSM_ExecuteEntryFunctionsAndPushPopStateMachinesForCurrentState+0x4f
fffffb03`889a9800 fffff801`4dbda9a5 : ffff9981`00000fa0 00000000`00000f00 00000000`00000fd6 00000000`00000000 : UsbHub3!HUBSM_RunStateMachine+0x632
fffffb03`889a9890 fffff801`4dbd9640 : ffff9981`812820d0 00000000`00000000 00000000`00000bb8 fffffb03`889a9978 : UsbHub3!HUBSM_AddEvent+0x421
fffffb03`889a98e0 fffff801`4dbe01e6 : 00000000`00000004 fffffb03`889a9988 00000000`00000004 fffffb03`889a9990 : UsbHub3!HUBSM_AddDsmEvent+0x10
fffffb03`889a9910 fffff801`4dbd9db3 : 00000000`00000bc5 fffff801`4dbd9c4b 00000000`00000c22 00000000`00000001 : UsbHub3!HUBPSM20_ReleasingInterruptReferenceOnSuccessfulReset+0x26
fffffb03`889a9940 fffff801`4dbdb00a : ffff9981`00000bb8 00000000`00000bc5 fffffb03`00000bb8 fffff801`4dc332d0 : UsbHub3!HUBSM_ExecuteEntryFunctionsAndPushPopStateMachinesForCurrentState+0x4f
fffffb03`889a99e0 fffff801`4dbda558 : ffff9981`00000bb8 00000000`00000c00 00000000`00000c01 fffff801`4dc33201 : UsbHub3!HUBSM_RunStateMachine+0x632
fffffb03`889a9a70 fffff801`4db93c57 : ffff9981`812821e0 ffff9981`880bc900 ffff9981`880bc9d0 ffff9981`8124daf0 : UsbHub3!HUBSM_EvtSmWorkItem+0x48
fffffb03`889a9aa0 fffff801`4db93d39 : ffff9981`8902c220 ffff9981`880bc9d0 00000000`00000000 fffff801`4db93d30 : ucx01000!Controller_ForwardProgressWorkItemCallback+0x5b
fffffb03`889a9ad0 fffff801`4a51fba2 : 00000000`00000000 ffff9981`81c06040 ffff9981`00000000 fffff804`cac68480 : ucx01000!Controller_ForwardProgressWorkItemWdmCallback+0x9
fffffb03`889a9b00 fffff801`4a575095 : ffff9981`8124daf0 ffff9981`818c2480 fffff801`4a51fb10 00000000`0000000c : nt!IopProcessWorkItem+0x92
fffffb03`889a9b70 fffff801`4a5e27a5 : ffff9981`818c2480 00000000`00000080 ffff9981`8127f300 0000240d`b19b3dfe : nt!ExpWorkerThread+0x105
fffffb03`889a9c10 fffff801`4a680b2a : fffff801`496b6180 ffff9981`818c2480 fffff801`4a5e2750 00000000`00000000 : nt!PspSystemThreadStartup+0x55
fffffb03`889a9c60 00000000`00000000 : fffffb03`889aa000 fffffb03`889a4000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x2a
THREAD_SHA1_HASH_MOD_FUNC: b0a83e3e0b5825cf249e55a1c6edd750f3e11ab5
THREAD_SHA1_HASH_MOD_FUNC_OFFSET: 5466d4c73e9ebb8c7b8023f6c1ae85ac583e0b1b
THREAD_SHA1_HASH_MOD: dec394c79534cd7606f1ae6ce766d868cd3a360a
FOLLOWUP_IP:
udecx!UsbDevice_UcxEndpointAdd+4b1
fffff801`4db68139 4c8bf8 mov r15,rax
FAULT_INSTR_CODE: 45f88b4c
SYMBOL_STACK_INDEX: 7
SYMBOL_NAME: udecx!UsbDevice_UcxEndpointAdd+4b1
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: udecx
IMAGE_NAME: udecx.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 3ea0b3d7
STACK_COMMAND: .thread ; .cxr ; kb
BUCKET_ID_FUNC_OFFSET: 4b1
FAILURE_BUCKET_ID: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
BUCKET_ID: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
PRIMARY_PROBLEM_CLASS: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
TARGET_TIME: 2020-03-29T05:02:30.000Z
OSBUILD: 18362
OSSERVICEPACK: 0
SERVICEPACK_NUMBER: 0
OS_REVISION: 0
SUITE_MASK: 272
PRODUCT_TYPE: 1
OSPLATFORM_TYPE: x64
OSNAME: Windows 10
OSEDITION: Windows 10 WinNt TerminalServer SingleUserTS
OS_LOCALE:
USER_LCID: 0
OSBUILD_TIMESTAMP: 1972-08-22 08:24:00
BUILDDATESTAMP_STR: 190318-1202
BUILDLAB_STR: 19h1_release
BUILDOSVER_STR: 10.0.18362.1.amd64fre.19h1_release.190318-1202
ANALYSIS_SESSION_ELAPSED_TIME: 5d7d4
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:0x10d_4_udecx!usbdevice_ucxendpointadd
FAILURE_ID_HASH: {e32a0be1-eb20-2e03-cbb6-af35a775a8ce}
Followup: MachineOwner
---------
kd> ln fffff8014db68139
Browse module
Set bu breakpoint
(fffff801`4db67c88) udecx!UsbDevice_UcxEndpointAdd+0x4b1 | (fffff801`4db683b0) udecx!UsbDevice_UdeUsbDeviceCleanup
kd> kp
Continue reading...
I'm using UDECX to emulate a Virtual USB audio device. It requires to use Dynamic type endpoint creation along with UDE class extension.
Then I get a crash and Udecx.sys has a NULL pointer issue. Anyone could help?
System Uptime: 0 days 0:03:09.053
Break instruction exception - code 80000003 (first chance)
*******************************************************************************
* *
* You are seeing this message because you pressed either *
* CTRL+C (if you run console kernel debugger) or, *
* CTRL+BREAK (if you run GUI kernel debugger), *
* on your debugger machine's keyboard. *
* *
* THIS IS NOT A BUG OR A SYSTEM CRASH *
* *
* If you did not intend to break into the debugger, press the "g" key, then *
* press the "Enter" key now. This message might immediately reappear. If it *
* does, press "g" and "Enter" again. *
* *
*******************************************************************************
nt!DbgBreakPointWithStatus:
fffff801`4a681370 cc int 3
kd> g
KDTARGET: Refreshing KD connection
*** Fatal System Error: 0x0000010d
(0x0000000000000004,0x0000000000000000,0xFFFFF8014DB68139,0xFFFF998188651530)
Break instruction exception - code 80000003 (first chance)
A fatal system error has occurred.
Debugger entered on first try; Bugcheck callbacks have not been invoked.
A fatal system error has occurred.
For analysis of this file, run !analyze -v
nt!DbgBreakPointWithStatus:
fffff801`4a681370 cc int 3
kd> !analyze -v
Connected to Windows 10 18362 x64 target at (Sun Mar 29 13:02:41.250 2020 (UTC + 8:00)), ptr64 TRUE
Loading Kernel Symbols
...............................................................
................................................................
...............
Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long.
Run !sym noisy before .reload to track down problems loading symbols.
....................................
Loading User Symbols
Loading unloaded module list
......
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
WDF_VIOLATION (10d)
The Kernel-Mode Driver Framework was notified that Windows detected an error
in a framework-based driver. In general, the dump file will yield additional
information about the driver that caused this bug check.
Arguments:
Arg1: 0000000000000004, A NULL parameter was passed to a function that required a non-
NULL value. Use the "ln" debugger command with the value of
Parameter 3 as its argument to determine the function which
requires a non-NULL parameter.
Arg2: 0000000000000000, Reserved.
Arg3: fffff8014db68139, The caller's address.
Arg4: ffff998188651530, Reserved.
Debugging Details:
------------------
KEY_VALUES_STRING: 1
PROCESSES_ANALYSIS: 1
SERVICE_ANALYSIS: 1
STACKHASH_ANALYSIS: 1
TIMELINE_ANALYSIS: 1
DUMP_CLASS: 1
DUMP_QUALIFIER: 0
BUILD_VERSION_STRING: 18362.1.amd64fre.19h1_release.190318-1202
DUMP_TYPE: 0
BUGCHECK_P1: 4
BUGCHECK_P2: 0
BUGCHECK_P3: fffff8014db68139
BUGCHECK_P4: ffff998188651530
BUGCHECK_STR: 0x10D_4
CPU_COUNT: 1
CPU_MHZ: a98
CPU_VENDOR: GenuineIntel
CPU_FAMILY: 6
CPU_MODEL: 5e
CPU_STEPPING: 3
CPU_MICROCODE: 6,5e,3,0 (F,M,S,R) SIG: 0'00000000 (cache) 0'00000000 (init)
DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT
PROCESS_NAME: System
CURRENT_IRQL: 0
ANALYSIS_SESSION_HOST: PCSZPEIB01
ANALYSIS_SESSION_TIME: 03-29-2020 13:02:48.0320
ANALYSIS_VERSION: 10.0.18362.1 amd64fre
LAST_CONTROL_TRANSFER: from fffff8014a761522 to fffff8014a681370
STACK_TEXT:
fffffb03`889a8b98 fffff801`4a761522 : 00000000`00000004 00000000`00000003 fffffb03`889a8d00 fffff801`4a5d5b90 : nt!DbgBreakPointWithStatus
fffffb03`889a8ba0 fffff801`4a760c12 : 00000000`00000003 fffffb03`889a8d00 fffff801`4a68db60 00000000`0000010d : nt!KiBugCheckDebugBreak+0x12
fffffb03`889a8c00 fffff801`4a6795e7 : 00000000`0000000a 00000000`00000002 fffff801`4db68139 fffff801`4b740e12 : nt!KeBugCheck2+0x952
fffffb03`889a9300 fffff801`4b78b823 : 00000000`0000010d 00000000`00000004 00000000`00000000 fffff801`4db68139 : nt!KeBugCheckEx+0x107
fffffb03`889a9340 fffff801`4b78b8b4 : fffff801`4db68139 fffffb03`889a9510 ffff9981`8902cbc0 00000000`00000000 : Wdf01000!FxVerifierBugCheckWorker+0x1f [minkernel\wdf\framework\shared\object\fxverifierbugcheck.cpp @ 68]
fffffb03`889a9380 fffff801`4b74bb1f : 0000667e`77802458 00000000`00000019 fffff801`4db494c8 00000000`00000060 : Wdf01000!FxVerifierNullBugCheck+0x44 [minkernel\wdf\framework\shared\object\fxverifierbugcheck.cpp @ 102]
fffffb03`889a93c0 fffff801`4db68139 : 0000667e`77802458 ffff9981`8902cbc0 00000000`00000000 fffff801`00000000 : Wdf01000!imp_WdfObjectGetTypedContextWorker+0x1a54f [minkernel\wdf\framework\shared\object\handleapi.cpp @ 608]
fffffb03`889a9410 fffff801`4db67a93 : 0000667e`77966fd8 0000667e`77802458 00000000`00000040 fffffb03`889a9630 : udecx!UsbDevice_UcxEndpointAdd+0x4b1
fffffb03`889a95c0 fffff801`4db8d5ab : ffff9981`891af9e0 00000001`00000024 00000001`00000000 00000000`00000000 : udecx!EvtUcxUsbDeviceDefaultEndpointAdd+0x73
fffffb03`889a9600 fffff801`4dbf3373 : ffff9981`89827370 00000000`00000fa0 ffff9981`89827568 ffff9981`89827370 : ucx01000!DefaultEndpoint_Create+0xbb
fffffb03`889a96f0 fffff801`4dbecff0 : 00000000`00000fed fffffb03`889a97a8 00000000`00000004 fffffb03`889a97b0 : UsbHub3!HUBUCX_CreateDefaultEndpointInUCX+0x33
fffffb03`889a9730 fffff801`4dbd9db3 : 00000000`00000fed fffff801`4dbd9c4b 00000000`000010f6 fffff801`4dbd95cc : UsbHub3!HUBDSM_CreatingUCXDefaultEndpoint+0x10
fffffb03`889a9760 fffff801`4dbdb00a : ffff9981`00000fa0 00000000`00000fed fffffb03`00000fa0 fffff801`4dc33b50 : UsbHub3!HUBSM_ExecuteEntryFunctionsAndPushPopStateMachinesForCurrentState+0x4f
fffffb03`889a9800 fffff801`4dbda9a5 : ffff9981`00000fa0 00000000`00000f00 00000000`00000fd6 00000000`00000000 : UsbHub3!HUBSM_RunStateMachine+0x632
fffffb03`889a9890 fffff801`4dbd9640 : ffff9981`812820d0 00000000`00000000 00000000`00000bb8 fffffb03`889a9978 : UsbHub3!HUBSM_AddEvent+0x421
fffffb03`889a98e0 fffff801`4dbe01e6 : 00000000`00000004 fffffb03`889a9988 00000000`00000004 fffffb03`889a9990 : UsbHub3!HUBSM_AddDsmEvent+0x10
fffffb03`889a9910 fffff801`4dbd9db3 : 00000000`00000bc5 fffff801`4dbd9c4b 00000000`00000c22 00000000`00000001 : UsbHub3!HUBPSM20_ReleasingInterruptReferenceOnSuccessfulReset+0x26
fffffb03`889a9940 fffff801`4dbdb00a : ffff9981`00000bb8 00000000`00000bc5 fffffb03`00000bb8 fffff801`4dc332d0 : UsbHub3!HUBSM_ExecuteEntryFunctionsAndPushPopStateMachinesForCurrentState+0x4f
fffffb03`889a99e0 fffff801`4dbda558 : ffff9981`00000bb8 00000000`00000c00 00000000`00000c01 fffff801`4dc33201 : UsbHub3!HUBSM_RunStateMachine+0x632
fffffb03`889a9a70 fffff801`4db93c57 : ffff9981`812821e0 ffff9981`880bc900 ffff9981`880bc9d0 ffff9981`8124daf0 : UsbHub3!HUBSM_EvtSmWorkItem+0x48
fffffb03`889a9aa0 fffff801`4db93d39 : ffff9981`8902c220 ffff9981`880bc9d0 00000000`00000000 fffff801`4db93d30 : ucx01000!Controller_ForwardProgressWorkItemCallback+0x5b
fffffb03`889a9ad0 fffff801`4a51fba2 : 00000000`00000000 ffff9981`81c06040 ffff9981`00000000 fffff804`cac68480 : ucx01000!Controller_ForwardProgressWorkItemWdmCallback+0x9
fffffb03`889a9b00 fffff801`4a575095 : ffff9981`8124daf0 ffff9981`818c2480 fffff801`4a51fb10 00000000`0000000c : nt!IopProcessWorkItem+0x92
fffffb03`889a9b70 fffff801`4a5e27a5 : ffff9981`818c2480 00000000`00000080 ffff9981`8127f300 0000240d`b19b3dfe : nt!ExpWorkerThread+0x105
fffffb03`889a9c10 fffff801`4a680b2a : fffff801`496b6180 ffff9981`818c2480 fffff801`4a5e2750 00000000`00000000 : nt!PspSystemThreadStartup+0x55
fffffb03`889a9c60 00000000`00000000 : fffffb03`889aa000 fffffb03`889a4000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x2a
THREAD_SHA1_HASH_MOD_FUNC: b0a83e3e0b5825cf249e55a1c6edd750f3e11ab5
THREAD_SHA1_HASH_MOD_FUNC_OFFSET: 5466d4c73e9ebb8c7b8023f6c1ae85ac583e0b1b
THREAD_SHA1_HASH_MOD: dec394c79534cd7606f1ae6ce766d868cd3a360a
FOLLOWUP_IP:
udecx!UsbDevice_UcxEndpointAdd+4b1
fffff801`4db68139 4c8bf8 mov r15,rax
FAULT_INSTR_CODE: 45f88b4c
SYMBOL_STACK_INDEX: 7
SYMBOL_NAME: udecx!UsbDevice_UcxEndpointAdd+4b1
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: udecx
IMAGE_NAME: udecx.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 3ea0b3d7
STACK_COMMAND: .thread ; .cxr ; kb
BUCKET_ID_FUNC_OFFSET: 4b1
FAILURE_BUCKET_ID: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
BUCKET_ID: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
PRIMARY_PROBLEM_CLASS: 0x10D_4_udecx!UsbDevice_UcxEndpointAdd
TARGET_TIME: 2020-03-29T05:02:30.000Z
OSBUILD: 18362
OSSERVICEPACK: 0
SERVICEPACK_NUMBER: 0
OS_REVISION: 0
SUITE_MASK: 272
PRODUCT_TYPE: 1
OSPLATFORM_TYPE: x64
OSNAME: Windows 10
OSEDITION: Windows 10 WinNt TerminalServer SingleUserTS
OS_LOCALE:
USER_LCID: 0
OSBUILD_TIMESTAMP: 1972-08-22 08:24:00
BUILDDATESTAMP_STR: 190318-1202
BUILDLAB_STR: 19h1_release
BUILDOSVER_STR: 10.0.18362.1.amd64fre.19h1_release.190318-1202
ANALYSIS_SESSION_ELAPSED_TIME: 5d7d4
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:0x10d_4_udecx!usbdevice_ucxendpointadd
FAILURE_ID_HASH: {e32a0be1-eb20-2e03-cbb6-af35a775a8ce}
Followup: MachineOwner
---------
kd> ln fffff8014db68139
Browse module
Set bu breakpoint
(fffff801`4db67c88) udecx!UsbDevice_UcxEndpointAdd+0x4b1 | (fffff801`4db683b0) udecx!UsbDevice_UdeUsbDeviceCleanup
kd> kp
Continue reading...