innodb.innodb-get-fk failed in buildbot (server crash)

innodb.innodb-get-fk 'innodb'            w1 [ fail ]  Found warnings/errors in server log file!

        Test ended at 2017-07-06 07:46:12

line

170706  7:45:51 [ERROR] mysqld got exception 0x80000003 ;

Attempting backtrace. You can use the following information to find out

^ Found warnings in D:/winx64-debug/build/mysql-test/var/1/log/mysqld.1.err

ok

 - saving 'D:/winx64-debug/build/mysql-test/var/1/log/innodb.innodb-get-fk-innodb/' to 'D:/winx64-debug/build/mysql-test/var/log/innodb.innodb-get-fk-innodb/'

 - found 'mysqld.dmp' (2/5)

Trying 'cdb' to get a backtrace

Output from cdb follows. Faulting thread is printed twice,with and without function parameters

Search for STACK_TEXT to see the stack trace of 

the faulting thread. Callstacks of other threads are printed after it.

Microsoft (R) Windows Debugger Version 10.0.10586.567 AMD64

Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [D:\winx64-debug\build\mysql-test\var\log\innodb.innodb-get-fk-innodb\mysqld.1\data\mysqld.dmp]

User Mini Dump File: Only registers, stack and portions of memory are available

Response                         Time (ms)     Location

OK                                             D:\winx64-debug\build\sql\Debug

OK                                             C:\Windows\System32

OK                                             .

Response                         Time (ms)     Location

OK                                             D:\winx64-debug\build\sql\Debug

OK                                             C:\Windows\System32

OK                                             .

Deferred                                       cache*C:\cdb_symbols

Symbol search path is: D:\winx64-debug\build\sql\Debug;C:\Windows\System32;.;cache*C:\cdb_symbols

Executable search path is: D:\winx64-debug\build\sql\Debug;C:\Windows\System32;.

Windows 8.1 Version 9600 MP (4 procs) Free x64

Product: Server, suite: TerminalServer DataCenter SingleUserTS

Built by: 6.3.9600.17031 (winblue_gdr.140221-1952)

Machine Name:

Debug session time: Thu Jul  6 07:45:56.000 2017 (UTC + 0:00)

System Uptime: not available

Process Uptime: 0 days 0:00:09.000

.............................

This dump file has a breakpoint exception stored in it.

The stored exception information can be accessed via .ecxr.

ntdll!ZwGetContextThread:

             ret

0:007> cdb: Reading initial command '!sym prompts off; !analyze -v; .ecxr; !for_each_frame dv /t;!uniqstack -p;q'

quiet mode - symbol prompts off

Module name            Error

KERNELBASE             PDB not found : d:\winx64-debug\build\sql\debug\symbols\dll\kernelbase.pdb

                       PDB not found : c:\windows\system32\symbols\dll\kernelbase.pdb

                       PDB not found : .\symbols\dll\kernelbase.pdb

                       PDB not found : cache*c:\cdb_symbols

You can troubleshoot most symbol related issues by turning on symbol loading diagnostics (!sym noisy) and repeating the command that caused symbols to be loaded.

You should also verify that your symbol search path (.sympath) is correct.

DUMP_CLASS: 2

DUMP_QUALIFIER: 400

CONTEXT:  (.ecxr)

rax=00007ff72d28cc90 rbx=00007ff72f6b6450 rcx=0000000000000016

rdx=00004f94685dabc8 rsi=00007ff72dcb3101 rdi=0000000000000016

rip=00007ff72d100035 rsp=0000000a9761e130 rbp=0000000a9761e2f0

 r8=0000000a9761e1c0  r9=0000000a9761e1c8 r10=0000000000000000

r11=0000000a9761e1b8 r12=0000000000000910 r13=0000000000000000

r14=00000000000007a6 r15=00007ff72d100030

iopl=0         nv up ei pl nz ac pe nc

cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000212

mysqld!my_sigabrt_handler:

             int     3

Resetting default scope

FAULTING_IP: 

mysqld!my_sigabrt_handler+5 [d:\winx64-debug\build\src\mysys\my_thr_init.c @ 488]

             int     3

EXCEPTION_RECORD:  (.exr -1)

ExceptionAddress: 00007ff72d100035 (mysqld!my_sigabrt_handler)

   ExceptionCode: 80000003 (Break instruction exception)

  ExceptionFlags: 00000000

NumberParameters: 1

   Parameter[0]: 0000000000000000

BUGCHECK_STR:  59153753

WRONG_SYMBOLS_TIMESTAMP: 59153753

WRONG_SYMBOLS_SIZE: 1ad000

FAULTING_MODULE: 00007ff84c470000 ntdll

DEBUG_FLR_IMAGE_TIMESTAMP:  59153753

ADDITIONAL_DEBUG_TEXT:  

You can run '.symfix; .reload' to try to fix the symbol path and load symbols. ; Followup set based on attribute [Is_ChosenCrashFollowupThread] from Frame:[0] on thread:[PSEUDO_THREAD]

LAST_CONTROL_TRANSFER:  from 0000000000000000 to 0000000000000000

ANALYSIS_SESSION_HOST:  MARIADB-02

ANALYSIS_SESSION_TIME:  07-06-2017 07:46:12.0696

ANALYSIS_VERSION: 10.0.10586.567 amd64fre

STACK_TEXT:  

wrong_symbols!WRONG_SYMBOLS

STACK_COMMAND:  .ecxr ; kb ; ** Pseudo Context ** ; kb

THREAD_SHA1_HASH_MOD_FUNC:  8b50e467776d7660ec74f0fcf6059a449f38bc9a

THREAD_SHA1_HASH_MOD_FUNC_OFFSET:  386be9b62a7535c96acfda43762924bd7c0bcb71

THREAD_SHA1_HASH_MOD:  1c9266d4d33f329668e953be351439450e48d114

SYMBOL_STACK_INDEX:  0

FOLLOWUP_NAME:  MachineOwner

EXCEPTION_CODE: (NTSTATUS) 0x59153753 - <Unable to get error code text>

EXCEPTION_CODE_STR:  59153753

FAILURE_EXCEPTION_CODE:  59153753

EXCEPTION_STR:  PRIVATE_SYMBOLS

PROCESS_NAME:  ntdll.wrong.symbols.dll

IMAGE_NAME:  ntdll.wrong.symbols.dll

MODULE_NAME: ntdll_wrong_symbols

SYMBOL_NAME:  ntdll_wrong_symbols!591537531AD000

BUCKET_ID:  PRIVATE_SYMBOLS_X64_6.3.9600.17415_(winblue_r4.141028-1500)_TIMESTAMP_170512-041723

DEFAULT_BUCKET_ID:  PRIVATE_SYMBOLS_X64_6.3.9600.17415_(winblue_r4.141028-1500)_TIMESTAMP_170512-041723

PRIMARY_PROBLEM_CLASS:  PRIVATE_SYMBOLS

BUCKET_ID_OFFSET:  0

BUCKET_ID_MODULE_STR:  ntdll_wrong_symbols

BUCKET_ID_MODVER_STR:  

BUCKET_ID_PREFIX_STR:  PRIVATE_SYMBOLS_X64_6.3.9600.17415_(winblue_r4.141028-1500)_TIMESTAMP_170512-041723

FAILURE_PROBLEM_CLASS:  PRIVATE_SYMBOLS_X64_6.3.9600.17415_(winblue_r4.141028-1500)_TIMESTAMP_170512-041723

FAILURE_IMAGE_NAME:  ntdll.wrong.symbols.dll

FAILURE_FUNCTION_NAME:  591537531AD000

BUCKET_ID_FUNCTION_STR:  591537531AD000

FAILURE_SYMBOL_NAME:  ntdll.wrong.symbols.dll!591537531AD000

FAILURE_BUCKET_ID:  PRIVATE_SYMBOLS_X64_6.3.9600.17415_(winblue_r4.141028-1500)_TIMESTAMP_170512-041723_59153753_ntdll.wrong.symbols.dll!591537531AD000

TARGET_TIME:  2017-07-06T07:45:56.000Z

OSBUILD:  9600

OSSERVICEPACK:  17415

SERVICEPACK_NUMBER: 0

OS_REVISION: 0

SUITE_MASK:  400

PRODUCT_TYPE:  3

OSPLATFORM_TYPE:  x64

OSNAME:  Windows 8.1

OSEDITION:  Windows 8.1 Server TerminalServer DataCenter SingleUserTS

OS_LOCALE:  

USER_LCID:  0

OSBUILD_TIMESTAMP:  2014-10-29 02:45:30

BUILDDATESTAMP_STR:  141028-1500

BUILDLAB_STR:  winblue_r4

BUILDOSVER_STR:  6.3.9600.17415

ANALYSIS_SESSION_ELAPSED_TIME: 678

ANALYSIS_SOURCE:  UM

FAILURE_ID_HASH_STRING:  um:private_symbols_x64_6.3.9600.17415_(winblue_r4.141028-1500)_timestamp_170512-041723_59153753_ntdll.wrong.symbols.dll!591537531ad000

FAILURE_ID_HASH:  {27595ce3-e414-f8be-5eee-ae574cd7b2ea}

Followup:     MachineOwner

---------

rax=00007ff72d28cc90 rbx=00007ff72f6b6450 rcx=0000000000000016

rdx=00004f94685dabc8 rsi=00007ff72dcb3101 rdi=0000000000000016

rip=00007ff72d100035 rsp=0000000a9761e130 rbp=0000000a9761e2f0

 r8=0000000a9761e1c0  r9=0000000a9761e1c8 r10=0000000000000000

r11=0000000a9761e1b8 r12=0000000000000910 r13=0000000000000000

r14=00000000000007a6 r15=00007ff72d100030

iopl=0         nv up ei pl nz ac pe nc

cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000212

mysqld!my_sigabrt_handler:

             int     3

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!my_sigabrt_handler [d:\winx64-debug\build\src\mysys\my_thr_init.c @ 488]

int sig = 0n22

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!raise [d:\th\minkernel\crts\ucrt\src\appcrt\misc\signal.cpp @ 516]

int signum = 0n22

int old_fpecode = 0n0

struct _EXCEPTION_POINTERS * old_pxcptinfoptrs = 0x00000000`00000000

bool return0 = false

bool action_is_global = true

<function> * action = 0x00007ff7`2d100030

struct __acrt_ptd * ptd = 0x00000000`00000000

<function> ** action_pointer = 0x00007ff7`2f6b6450

struct __crt_signal_action_t * local_action = <value unavailable>

int _Expr_val = <value unavailable>

struct __crt_signal_action_t * last = <value unavailable>

struct __crt_signal_action_t * first = <value unavailable>

struct __crt_signal_action_t * p = 0x0000000a`9761e1a0

unsigned int64 __acrt_signal_action_table_count = <value unavailable>

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!abort [d:\th\minkernel\crts\ucrt\src\appcrt\startup\abort.cpp @ 71]

<function> * sigabrt_action = 0x00007ff7`2d28cc90

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!common_assert_to_stderr<wchar_t> [d:\th\minkernel\crts\ucrt\src\appcrt\startup\assert.cpp @ 149]

wchar_t * expression = 0x00007ff7`2dcb3118 "!srv_read_only_mode"

wchar_t * file_name = 0x00007ff7`2dcb3140 "D:\winx64-debug\build\src\storage\innobase\log\log0log.cc"

unsigned int line_number = 0x7a6

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

(Inline Function) --------`-------- mysqld!common_assert [d:\th\minkernel\crts\ucrt\src\appcrt\startup\assert.cpp @ 383]

void * return_address = 0x00007ff7`2ccd6b4c

int current_error_mode = <value unavailable>

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!_wassert [d:\th\minkernel\crts\ucrt\src\appcrt\startup\assert.cpp @ 404]

wchar_t * expression = 0x00007ff7`2dcb3118 "!srv_read_only_mode"

wchar_t * file_name = 0x00007ff7`2dcb3140 "D:\winx64-debug\build\src\storage\innobase\log\log0log.cc"

unsigned int line_number = 0x7a6

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!logs_empty_and_mark_files_at_shutdown [d:\winx64-debug\build\src\storage\innobase\log\log0log.cc @ 1958]

bool freed = true

unsigned int64 count = 1

unsigned int64 lsn = 0xcccccccc`cccccccc

char * thread_name = 0x00007ff7`2dcb25e0 "buf_resize_thread"

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!innodb_shutdown [d:\winx64-debug\build\src\storage\innobase\srv\srv0start.cc @ 2818]

unsigned int64 n_threads = 0xcccccccc`cccccccc

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!innobase_end [d:\winx64-debug\build\src\storage\innobase\handler\ha_innodb.cc @ 4547]

class THD * thd = 0x00000000`00000000

struct handlerton * __formal = 0x0000000a`948ead18

ha_panic_function __formal = HA_PANIC_CLOSE (0n0)

struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!ha_finalize_handlerton [d:\winx64-debug\build\src\sql\handler.cc @ 453]

struct st_plugin_int * plugin = 0x0000000a`948e4918

struct handlerton * hton = 0x0000000a`948ead18

struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!plugin_deinitialize [d:\winx64-debug\build\src\sql\sql_plugin.cc @ 1215]

struct st_plugin_int * plugin = 0x0000000a`948e4918

bool ref_check = true

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!reap_plugins [d:\winx64-debug\build\src\sql\sql_plugin.cc @ 1292]

struct st_plugin_int ** list = 0x0000000a`9761f6c0

struct st_plugin_int ** reap = 0x0000000a`9761f778

unsigned int count = 0x33

struct st_plugin_int * plugin = 0x0000000a`948e4918

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!plugin_shutdown [d:\winx64-debug\build\src\sql\sql_plugin.cc @ 1951]

unsigned int i = 0x33

unsigned int count = 0x33

struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_

struct st_plugin_int ** plugins = 0xcccccccc`cccccccc

struct st_plugin_int * plugin = 0x0000000a`948e8ce0

struct st_plugin_dl ** dl = 0xcccccccc`cccccccc

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!clean_up [d:\winx64-debug\build\src\sql\mysqld.cc @ 2208]

bool print_message = true

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!unireg_end [d:\winx64-debug\build\src\sql\mysqld.cc @ 2083]

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!kill_server [d:\winx64-debug\build\src\sql\mysqld.cc @ 2012]

int sig_ptr = 0n15

int sig = 0n15

struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!handle_shutdown [d:\winx64-debug\build\src\sql\mysqld.cc @ 3670]

void * arg = 0x00000000`00000000

struct tagMSG msg = {msg=0xcccccccc wp=0xcccccccccccccccc lp=0xcccccccccccccccc}

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!pfs_spawn_thread [d:\winx64-debug\build\src\storage\perfschema\pfs.cc @ 1864]

void * arg = 0x0000000a`94a16688

struct PFS_thread * pfs = 0x0000000a`9206d9b0

struct PFS_thread_class * klass = 0x0000000a`8ff69ff0

<function> * user_start_routine = 0x00007ff7`2c7c5570

void * user_arg = 0x00000000`00000000

struct PFS_spawn_thread_arg * typed_arg = 0x0000000a`94a16688

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!pthread_start [d:\winx64-debug\build\src\mysys\my_winthread.c @ 61]

void * p = 0x0000000a`910beaf0

void * arg = 0x0000000a`94a16688

<function> * func = 0x00007ff7`2d0a7760

struct thread_start_parameter * par = 0x0000000a`910beaf0

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

(Inline Function) --------`-------- mysqld!invoke_thread_procedure [d:\th\minkernel\crts\ucrt\src\appcrt\startup\thread.cpp @ 91]

void * context = 0x0000000a`910beaf0

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!thread_start<unsigned int (__cdecl*)(void * __ptr64)> [d:\th\minkernel\crts\ucrt\src\appcrt\startup\thread.cpp @ 115]

void * parameter = 0x00007ff7`2d2c3840

<function> * procedure = 0x00007ff7`2d153630

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

kernel32!BaseThreadInitThunk

Unable to enumerate locals, HRESULT 0x80004005

Private symbols (symbols.pri) are required for locals.

Type ".hh dbgerr005" for details.

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

ntdll!RtlUserThreadStart

Unable to enumerate locals, Win32 error 0n318

Private symbols (symbols.pri) are required for locals.

Type ".hh dbgerr005" for details.

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

mysqld!my_sigabrt_handler [d:\winx64-debug\build\src\mysys\my_thr_init.c @ 488]

Processing 9 threads, please wait

.  0  Id: 1780.1354 Suspend: 0 Teb: 00007ff7`2c0be000 Unfrozen

      Priority: 0  Priority class: 32

ntdll!NtWaitForAlertByThreadId

ntdll!RtlSleepConditionVariableCS

KERNELBASE!SleepConditionVariableCS

mysqld!pthread_cond_timedwait(struct _RTL_CONDITION_VARIABLE * cond = 0x00007ff7`2ee2b9e8, struct _RTL_CRITICAL_SECTION * mutex = 0x00007ff7`2ee2b7d8, struct timespec * abstime = 0x00000000`00000000) [d:\winx64-debug\build\src\mysys\my_wincond.c @ 82]

mysqld!pthread_cond_wait(struct _RTL_CONDITION_VARIABLE * cond = 0x00007ff7`2ee2b9e8, struct _RTL_CRITICAL_SECTION * mutex = 0x00007ff7`2ee2b7d8) [d:\winx64-debug\build\src\mysys\my_wincond.c @ 91]

mysqld!inline_mysql_cond_wait(struct st_mysql_cond * that = 0x00007ff7`2ee2b9e8, struct st_mysql_mutex * mutex = 0x00007ff7`2ee2b7d8, char * src_file = 0x00007ff7`2d58d638 "D:\winx64-debug\build\src\sql\mysqld.cc", unsigned int src_line = 0x17b0) [d:\winx64-debug\build\src\include\mysql\psi\mysql_thread.h @ 1138]

mysqld!win_main(int argc = 0n147, char ** argv = 0x0000000a`8ff54a48) [d:\winx64-debug\build\src\sql\mysqld.cc @ 6064]

mysqld!mysql_service(void * p = 0x00000000`00000000) [d:\winx64-debug\build\src\sql\mysqld.cc @ 6103]

mysqld!mysqld_main(int argc = 0n24, char ** argv = 0x0000000a`8ff41f70) [d:\winx64-debug\build\src\sql\mysqld.cc @ 6296]

mysqld!main(int argc = 0n24, char ** argv = 0x0000000a`8ff41f70) [d:\winx64-debug\build\src\sql\main.cc @ 26]

(Inline Function) --------`-------- mysqld!invoke_main [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 64]

mysqld!__scrt_common_main_seh(void) [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl @ 259]

kernel32!BaseThreadInitThunk

ntdll!RtlUserThreadStart

.  1  Id: 1780.a08 Suspend: 0 Teb: 00007ff7`2c0bc000 Unfrozen

      Priority: 0  Priority class: 32

ntdll!NtWaitForAlertByThreadId

ntdll!RtlSleepConditionVariableCS

KERNELBASE!SleepConditionVariableCS

mysqld!pthread_cond_timedwait(struct _RTL_CONDITION_VARIABLE * cond = 0x00007ff7`2f6a9a78, struct _RTL_CRITICAL_SECTION * mutex = 0x00007ff7`2f6a9a48, struct timespec * abstime = 0x0000000a`950cf728) [d:\winx64-debug\build\src\mysys\my_wincond.c @ 82]

mysqld!inline_mysql_cond_timedwait(struct st_mysql_cond * that = 0x00007ff7`2f6a9a78, struct st_mysql_mutex * mutex = 0x00007ff7`2f6a9a48, struct timespec * abstime = 0x0000000a`950cf728, char * src_file = 0x00007ff7`2ec37218 "--- memory read error at address 0x00007ff7`2ec37218 ---", unsigned int src_line = 0x124) [d:\winx64-debug\build\src\include\mysql\psi\mysql_thread.h @ 1175]

mysqld!timer_handler(void * arg = 0x00000000`00000000) [d:\winx64-debug\build\src\mysys\thr_timer.c @ 293]

mysqld!pfs_spawn_thread(void * arg = 0x0000000a`8ff35f18) [d:\winx64-debug\build\src\storage\perfschema\pfs.cc @ 1864]

mysqld!pthread_start(void * p = 0x0000000a`910be950) [d:\winx64-debug\build\src\mysys\my_winthread.c @ 61]

(Inline Function) --------`-------- mysqld!invoke_thread_procedure [d:\th\minkernel\crts\ucrt\src\appcrt\startup\thread.cpp @ 91]

mysqld!thread_start<unsigned int (void * parameter = 0x00007ff7`2d2c3840) [d:\th\minkernel\crts\ucrt\src\appcrt\startup\thread.cpp @ 115]

kernel32!BaseThreadInitThunk

ntdll!RtlUserThreadStart

.  2  Id: 1780.11e0 Suspend: 0 Teb: 00007ff7`2c0ba000 Unfrozen

      Priority: 0  Priority class: 32

ntdll!NtRemoveIoCompletion

KERNELBASE!GetQueuedCompletionStatus

mysqld!os_aio_windows_handler(unsigned int64 segment = 0, unsigned int64 pos = 0, struct fil_node_t ** m1 = 0x0000000a`9627f8f8, void ** m2 = 0x0000000a`9627f948, class IORequest * type = 0x0000000a`9627f918) [d:\winx64-debug\build\src\storage\innobase\os\os0file.cc @ 6453]

mysqld!os_aio_handler(unsigned int64 segment = 0, struct fil_node_t ** m1 = 0x0000000a`9627f8f8, void ** m2 = 0x0000000a`9627f948, class IORequest * request = 0x0000000a`9627f918) [d:\winx64-debug\build\src\storage\innobase\os\os0file.cc @ 5648]

mysqld!fil_aio_wait(unsigned int64 segment = 0) [d:\winx64-debug\build\src\storage\innobase\fil\fil0fil.cc @ 5435]

mysqld!io_handler_thread(void * arg = 0x00007ff7`2ee98040) [d:\winx64-debug\build\src\storage\innobase\srv\srv0start.cc @ 344]

kernel32!BaseThreadInitThunk

ntdll!RtlUserThreadStart

.  6  Id: 1780.1098 Suspend: 0 Teb: 00007ff7`2bf8a000 Unfrozen

      Priority: 0  Priority class: 32

ntdll!ZwWaitForWorkViaWorkerFactory

ntdll!RtlFreeUnicodeString

kernel32!BaseThreadInitThunk

ntdll!RtlUserThreadStart

.  7  Id: 1780.13a4 Suspend: 0 Teb: 00007ff7`2bf88000 Unfrozen

      Priority: 0  Priority class: 32

ntdll!ZwGetContextThread

Total threads: 9

Duplicate callstacks: 4 (windbg thread #s follow):

3, 4, 5, 8

quit: