Bug: Intermittent browser/components/preferences/tests/browser_subdialogs.js | application crashed [@ xul.dll + 0xb27f39]
Status: RESOLVED
Priority: --
Resolution: DUPLICATE
Created: 2021-09-27 12:21:38+00:00
Resolved: 2021-10-04 06:07:43+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=352787370&repo=mozilla-esr91
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ef0sLd39QmSQ7SMNbH0IUQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-09-27T12:01:48.212Z] 12:01:48     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | stack children count should decrease by 1 - 1 == 1 - 
[task 2021-09-27T12:01:48.213Z] 12:01:48     INFO - Leaving test bound escape_should_close_dialog
[task 2021-09-27T12:01:48.214Z] 12:01:48     INFO - Entering test bound correct_width_and_height_should_be_used_for_dialog
[task 2021-09-27T12:01:48.214Z] 12:01:48     INFO - waiting for subdialog DOMFrameContentLoaded
[task 2021-09-27T12:01:48.215Z] 12:01:48     INFO - Buffered messages finished
[task 2021-09-27T12:01:48.216Z] 12:01:48    ERROR - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | application terminated with exit code 1
[task 2021-09-27T12:01:48.216Z] 12:01:48     INFO - runtests.py | Application ran for: 0:03:09.988979
[task 2021-09-27T12:01:48.217Z] 12:01:48     INFO - zombiecheck | Reading PID log: C:\Users\task_1632741562\AppData\Local\Temp\tmpn3s2vhtipidlog
[task 2021-09-27T12:01:48.218Z] 12:01:48     INFO - ==> process 1532 launched child process 5784 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.0.1950380669\475250030" -childID 1 -isForBrowser -prefsHandle 2068 -prefMapHandle 2064 -prefsLen 1 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 2148 20798648 tab)
[task 2021-09-27T12:01:48.219Z] 12:01:48     INFO - ==> process 1532 launched child process 1904 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.1.295145682\916662504" -childID 2 -isForBrowser -prefsHandle 2448 -prefMapHandle 2444 -prefsLen 183 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 2460 22d90e28 tab)
[task 2021-09-27T12:01:48.220Z] 12:01:48     INFO - ==> process 1532 launched child process 3184 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.2.1181049218\517539059" -childID 3 -isForBrowser -prefsHandle 2576 -prefMapHandle 2572 -prefsLen 223 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 2588 23943648 tab)
[task 2021-09-27T12:01:48.222Z] 12:01:48     INFO - ==> process 1532 launched child process 5348 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.3.1900747411\1701531370" -parentBuildID 20210927091514 -prefsHandle 2844 -prefMapHandle 2840 -prefsLen 1146 -prefMapSize 250464 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 2856 1ee1dd98 rdd)
[task 2021-09-27T12:01:48.223Z] 12:01:48     INFO - ==> process 1532 launched child process 4496 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.5.33181526\371552362" -childID 4 -isForBrowser -prefsHandle 3624 -prefMapHandle 3268 -prefsLen 8918 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 3636 207984f8 tab)
[task 2021-09-27T12:01:48.224Z] 12:01:48     INFO - ==> process 1532 launched child process 640 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.6.130355584\925195540" -childID 5 -isForBrowser -prefsHandle 3816 -prefMapHandle 3812 -prefsLen 8946 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 3828 2078e4f8 tab)
[task 2021-09-27T12:01:48.225Z] 12:01:48     INFO - ==> process 1532 launched child process 4384 ("Z:\task_1632741562\build\application\firefox\firefox.exe" -contentproc --channel="1532.7.840815934\982998072" -childID 6 -isForBrowser -prefsHandle 4132 -prefMapHandle 4420 -prefsLen 9270 -prefMapSize 250464 -jsInit 944 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632741562\build\application\firefox\browser" - 1532 "\\.\pipe\gecko-crash-server-pipe.1532" 4396 2c7b93a8 tab)
[task 2021-09-27T12:01:48.226Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 640
[task 2021-09-27T12:01:48.227Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 4384
[task 2021-09-27T12:01:48.227Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 5348
[task 2021-09-27T12:01:48.228Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 3184
[task 2021-09-27T12:01:48.228Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 1904
[task 2021-09-27T12:01:48.229Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 4496
[task 2021-09-27T12:01:48.229Z] 12:01:48     INFO - zombiecheck | Checking for orphan process with PID: 5784
[task 2021-09-27T12:01:48.230Z] 12:01:48     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/YIgvQk2nS9m7sxvJ-D7d1Q/artifacts/public/build/target.crashreporter-symbols.zip
[task 2021-09-27T12:01:53.748Z] 12:01:53     INFO - mozcrash Copy/paste: Z:/task_1632741562/fetches\minidump_stackwalk\minidump_stackwalk.exe C:\Users\task_1632741562\AppData\Local\Temp\tmpjphreiem.mozrunner\minidumps\e4a3f293-692c-41b2-9d47-f9ed33756f74.dmp C:\Users\task_1632741562\AppData\Local\Temp\tmpyqo9fwp4
[task 2021-09-27T12:02:06.270Z] 12:02:06     INFO - mozcrash Saved minidump as Z:\task_1632741562\build\blobber_upload_dir\e4a3f293-692c-41b2-9d47-f9ed33756f74.dmp
[task 2021-09-27T12:02:06.276Z] 12:02:06     INFO - mozcrash Saved app info as Z:\task_1632741562\build\blobber_upload_dir\e4a3f293-692c-41b2-9d47-f9ed33756f74.extra
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO - PROCESS-CRASH | browser/components/preferences/tests/browser_subdialogs.js | application crashed [@ xul.dll + 0xb27f39]
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO - Mozilla crash reason: MOZ_CRASH(Unhandlable OOM while clearing document dependent slots.)
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO - Crash dump filename: C:\Users\task_1632741562\AppData\Local\Temp\tmpjphreiem.mozrunner\minidumps\e4a3f293-692c-41b2-9d47-f9ed33756f74.dmp
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO - Operating system: Windows NT
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO -                   6.1.7601 Service Pack 1
[task 2021-09-27T12:02:06.592Z] 12:02:06     INFO - CPU: x86
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -      GenuineIntel family 6 model 63 stepping 2
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -      8 CPUs
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - 
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - GPU: UNKNOWN
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - 
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - Crash reason:  EXCEPTION_BREAKPOINT
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - Crash address: 0x594f1c78
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - Process uptime: 189 seconds
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - 
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO - Thread 0 (crashed) 0  xul.dll + 0x131c78
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     eip = 0x594f1c78   esp = 0x0032e6b8   ebp = 0x0032e6d4   ebx = 0x00000000
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     esi = 0x3e036400   edi = 0x02212800   eax = 0x6b79d794   ecx = 0xee80316b
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     edx = 0x02212800   efl = 0x00000246
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     Found by: given as instruction pointer in context
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -  1  xul.dll + 0xb27f39
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     eip = 0x59ee7f39   esp = 0x0032e6dc   ebp = 0x0032e7d0
[task 2021-09-27T12:02:06.593Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  2  xul.dll + 0x12b1a0
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x594eb1a0   esp = 0x0032e7d8   ebp = 0x0032e844
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  3  xul.dll + 0x12af6c
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x594eaf6c   esp = 0x0032e84c   ebp = 0x0032e868
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  4  xul.dll + 0x102a3e8
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x5a3ea3e8   esp = 0x0032e870   ebp = 0x0032e8ec
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  5  xul.dll + 0x1025064
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x5a3e5064   esp = 0x0032e8f4   ebp = 0x0032eabc
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  6  xul.dll + 0x102481b
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x5a3e481b   esp = 0x0032eac4   ebp = 0x0032eb00
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -  7  xul.dll + 0xa10644
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     eip = 0x59dd0644   esp = 0x0032eb08   ebp = 0x0032eb60
[task 2021-09-27T12:02:06.594Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -  8  xul.dll + 0xa10902
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     eip = 0x59dd0902   esp = 0x0032eb68   ebp = 0x0032eb6c
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -  9  xul.dll + 0x174997
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     eip = 0x59534997   esp = 0x0032eb74   ebp = 0x0032ec20
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO - 10  xul.dll + 0x186cfd
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     eip = 0x59546cfd   esp = 0x0032ec28   ebp = 0x0032ec38
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO - 11  xul.dll + 0x18648b
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     eip = 0x5954648b   esp = 0x0032ec40   ebp = 0x0032ec9c
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO - 12  xul.dll + 0x90ff73
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     eip = 0x59ccff73   esp = 0x0032eca4   ebp = 0x0032eccc
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.595Z] 12:02:06     INFO - 13  xul.dll + 0x916f3c
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x59cd6f3c   esp = 0x0032ecd4   ebp = 0x0032ecec
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 14  xul.dll + 0x7c302f
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x59b8302f   esp = 0x0032ecf4   ebp = 0x0032ed04
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 15  xul.dll + 0x17d1f4b
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x5ab91f4b   esp = 0x0032ed0c   ebp = 0x0032f018
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 16  xul.dll + 0x14c8c12
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x5a888c12   esp = 0x0032f020   ebp = 0x0032f2ac
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 17  xul.dll + 0x17f5781
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x5abb5781   esp = 0x0032f2b4   ebp = 0x0032f360
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 18  xul.dll + 0x91db8f
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     eip = 0x59cddb8f   esp = 0x0032f368   ebp = 0x0032f398
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.596Z] 12:02:06     INFO - 19  xul.dll + 0x1e92f
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x593de92f   esp = 0x0032f3a0   ebp = 0x0032f3bc
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO - 20  xul.dll + 0x159935
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x59519935   esp = 0x0032f3c4   ebp = 0x0032f3cc
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO - 21  xul.dll + 0x158e48
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x59518e48   esp = 0x0032f3d4   ebp = 0x0032f508
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO - 22  xul.dll + 0x3bdace7
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x5cf9ace7   esp = 0x0032f510   ebp = 0x0032f528
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO - 23  xul.dll + 0x3c3ab22
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x5cffab22   esp = 0x0032f530   ebp = 0x0032f7c0
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO - 24  xul.dll + 0x3c3b631
[task 2021-09-27T12:02:06.597Z] 12:02:06     INFO -     eip = 0x5cffb631   esp = 0x0032f7c8   ebp = 0x0032f810
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 25  xul.dll + 0x1c95326
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     eip = 0x5b055326   esp = 0x0032f818   ebp = 0x0032f8e8
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 26  xul.dll + 0x3c40ff1
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     eip = 0x5d000ff1   esp = 0x0032f8f0   ebp = 0x0032f8fc
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 27  firefox.exe!wmain(int, wchar_t**) [nsWindowsWMain.cpp:f8ef5376d115c5bd6a8f8eac5ada5858603a0eda : 138 + 0x1c3]
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     eip = 0x012d6eb9   esp = 0x0032f904   ebp = 0x0032fa94
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 28  firefox.exe!__scrt_common_main_seh() [exe_common.inl : 288 + 0x1c]
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     eip = 0x012e566c   esp = 0x0032fa9c   ebp = 0x0032fadc   ebx = 0x7ffdb000
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     esi = 0x6b55f0b0   edi = 0x0011f270
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: call frame info
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 29  kernel32.dll!BaseThreadInitThunk + 0x12
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     eip = 0x773def3c   esp = 0x0032fae4   ebp = 0x0032fae8
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO -     Found by: call frame info
[task 2021-09-27T12:02:06.598Z] 12:02:06     INFO - 30  ntdll.dll!BaseCheckVDMp + 0x8ff
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO -     eip = 0x77a53618   esp = 0x0032faf0   ebp = 0x0032fb28
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO -     Found by: call frame info
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO - 31  ntdll.dll!BaseCheckVDMp + 0x8d2
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO -     eip = 0x77a535eb   esp = 0x0032fb30   ebp = 0x0032fb40
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO -     Found by: call frame info
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO - 
[task 2021-09-27T12:02:06.599Z] 12:02:06     INFO - Thread 1
```