Bug: Intermittent browser/components/preferences/tests/browser_sync_pairing.js | application crashed [@ xul.dll + 0x40808cd]
Status: RESOLVED
Priority: P3
Resolution: INCOMPLETE
Created: 2021-11-06 14:57:41+00:00
Resolved: 2023-06-02 12:03:06+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=357228467&repo=try
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/csSJAGn3SBOWqYqYfHqW4g/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-11-06T12:23:13.297Z] 12:23:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_sync_pairing.js | All expectedStyleSheetURLs should have been found - 
[task 2021-11-06T12:23:13.298Z] 12:23:13     INFO - Buffered messages finished
[task 2021-11-06T12:23:13.299Z] 12:23:13    ERROR - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_sync_pairing.js | application terminated with exit code 1
[task 2021-11-06T12:23:13.299Z] 12:23:13     INFO - runtests.py | Application ran for: 0:02:56.933692
[task 2021-11-06T12:23:13.300Z] 12:23:13     INFO - zombiecheck | Reading PID log: C:\Users\task_1636200352\AppData\Local\Temp\tmpdnljenkdpidlog
[task 2021-11-06T12:23:13.302Z] 12:23:13     INFO - ==> process 3748 launched child process 1504 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.0.11972277\624841816" -childID 1 -isForBrowser -prefsHandle 2044 -prefMapHandle 2032 -prefsLen 1 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 2128 16908a38 tab)
[task 2021-11-06T12:23:13.303Z] 12:23:13     INFO - ==> process 3748 launched child process 5408 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.1.48038093\1020374739" -childID 2 -isForBrowser -prefsHandle 2496 -prefMapHandle 2492 -prefsLen 221 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 2508 19943258 tab)
[task 2021-11-06T12:23:13.305Z] 12:23:13     INFO - ==> process 3748 launched child process 2380 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.2.161214322\353361663" -childID 3 -isForBrowser -prefsHandle 2616 -prefMapHandle 2612 -prefsLen 261 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 2628 1a2bce28 tab)
[task 2021-11-06T12:23:13.306Z] 12:23:13     INFO - ==> process 3748 launched child process 3760 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.3.1951118902\187824125" -parentBuildID 20211106100910 -prefsHandle 2904 -prefMapHandle 2900 -prefsLen 1683 -prefMapSize 254885 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 2916 1a778da8 rdd)
[task 2021-11-06T12:23:13.308Z] 12:23:13     INFO - ==> process 3748 launched child process 4976 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.5.1893442313\1128833127" -childID 4 -isForBrowser -prefsHandle 1016 -prefMapHandle 3564 -prefsLen 9247 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 3588 22b75798 tab)
[task 2021-11-06T12:23:13.309Z] 12:23:13     INFO - ==> process 3748 launched child process 4728 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.6.1811935922\395651654" -childID 5 -isForBrowser -prefsHandle 3788 -prefMapHandle 3784 -prefsLen 9275 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 3800 19943a38 tab)
[task 2021-11-06T12:23:13.310Z] 12:23:13     INFO - ==> process 3748 launched child process 3744 ("Z:\task_1636200352\build\application\firefox\firefox.exe" -contentproc --channel="3748.7.1141816313\809024360" -childID 6 -isForBrowser -prefsHandle 4512 -prefMapHandle 4548 -prefsLen 9598 -prefMapSize 254885 -jsInitHandle 896 -jsInitLen 278884 -parentBuildID 20211106100910 -appDir "Z:\task_1636200352\build\application\firefox\browser" - 3748 "\\.\pipe\gecko-crash-server-pipe.3748" 4244 374e3798 tab)
[task 2021-11-06T12:23:13.311Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 1504
[task 2021-11-06T12:23:13.311Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 5408
[task 2021-11-06T12:23:13.312Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 3744
[task 2021-11-06T12:23:13.313Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 2380
[task 2021-11-06T12:23:13.313Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 4976
[task 2021-11-06T12:23:13.314Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 3760
[task 2021-11-06T12:23:13.314Z] 12:23:13     INFO - zombiecheck | Checking for orphan process with PID: 4728
[task 2021-11-06T12:23:13.315Z] 12:23:13     INFO - mozcrash Downloading symbols from: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/QsTWSwtUTNK-AMli_iXxKQ/artifacts/public/build/target.crashreporter-symbols.zip
[task 2021-11-06T12:23:16.737Z] 12:23:16     INFO - mozcrash Copy/paste: Z:/task_1636200352/fetches\minidump_stackwalk\minidump_stackwalk.exe C:\Users\task_1636200352\AppData\Local\Temp\tmpdn9c_hbn.mozrunner\minidumps\4b3e93f1-9b38-42d6-a532-8b51d26991f1.dmp C:\Users\task_1636200352\AppData\Local\Temp\tmp11ji8x_1 https://symbols.mozilla.org/
[task 2021-11-06T12:23:17.591Z] 12:23:17     INFO - mozcrash Saved minidump as Z:\task_1636200352\build\blobber_upload_dir\4b3e93f1-9b38-42d6-a532-8b51d26991f1.dmp
[task 2021-11-06T12:23:17.596Z] 12:23:17     INFO - mozcrash Saved app info as Z:\task_1636200352\build\blobber_upload_dir\4b3e93f1-9b38-42d6-a532-8b51d26991f1.extra
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - PROCESS-CRASH | browser/components/preferences/tests/browser_sync_pairing.js | application crashed [@ xul.dll + 0x40808cd]
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Mozilla crash reason: Renderer out of memory
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Crash dump filename: C:\Users\task_1636200352\AppData\Local\Temp\tmpdn9c_hbn.mozrunner\minidumps\4b3e93f1-9b38-42d6-a532-8b51d26991f1.dmp
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Operating system: Windows NT
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO -                   6.1.7601 Service Pack 1
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - CPU: x86
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO -      GenuineIntel family 6 model 63 stepping 2
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO -      8 CPUs
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - 
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - GPU: UNKNOWN
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - 
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Crash reason:  EXCEPTION_BREAKPOINT
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Crash address: 0x5256da51
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - Process uptime: 177 seconds
[task 2021-11-06T12:23:17.872Z] 12:23:17     INFO - 
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO - Thread 28 tid 636 (crashed) 0  xul.dll + 0x6eda51
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     eip = 0x5256da51   esp = 0x0cddeb38   ebp = 0x0cddeb38   ebx = 0x56da02ac
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     esi = 0x000006e1   edi = 0x00000024   eax = 0x0cdded52   ecx = 0x000006e1
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     edx = 0x6b3e38ec   efl = 0x00000202
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     Found by: given as instruction pointer in context
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -  1  xul.dll + 0x40808cd
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     eip = 0x55f008cd   esp = 0x0cddeb40   ebp = 0x0cddef68
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -  2  xul.dll + 0x40806cb
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     eip = 0x55f006cb   esp = 0x0cddef70   ebp = 0x0cddef70
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -  3  xul.dll + 0x4846e4
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     eip = 0x523046e4   esp = 0x0cddef78   ebp = 0x0cddefe0
[task 2021-11-06T12:23:17.873Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  4  xul.dll + 0x41356a4
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     eip = 0x55fb56a4   esp = 0x0cddefe8   ebp = 0x0cddf004
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  5  xul.dll + 0x413564e
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     eip = 0x55fb564e   esp = 0x0cddf00c   ebp = 0x0cddf018
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  6  xul.dll + 0x4135677
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     eip = 0x55fb5677   esp = 0x0cddf020   ebp = 0x0cddf034
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  7  xul.dll + 0x14096fe
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     eip = 0x532896fe   esp = 0x0cddf03c   ebp = 0x0cddf4c4
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  8  xul.dll + 0x112e178
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     eip = 0x52fae178   esp = 0x0cddf4cc   ebp = 0x0cddf610
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.874Z] 12:23:17     INFO -  9  xul.dll + 0xa4ffef
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x528cffef   esp = 0x0cddf618   ebp = 0x0cddf7f8
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO - 10  xul.dll + 0xa4f962
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x528cf962   esp = 0x0cddf800   ebp = 0x0cddf8bc
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO - 11  xul.dll + 0xa55ee9
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x528d5ee9   esp = 0x0cddf8c4   ebp = 0x0cddf8e4
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO - 12  xul.dll + 0x149e5b7
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x5331e5b7   esp = 0x0cddf8ec   ebp = 0x0cddfb94
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO - 13  xul.dll + 0x149cae8
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x5331cae8   esp = 0x0cddfb9c   ebp = 0x0cddfbec
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO - 14  xul.dll + 0x875def
[task 2021-11-06T12:23:17.875Z] 12:23:17     INFO -     eip = 0x526f5def   esp = 0x0cddfbf4   ebp = 0x0cddfc24
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO - 15  xul.dll + 0x1e0ef
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     eip = 0x51e9e0ef   esp = 0x0cddfc2c   ebp = 0x0cddfc48
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO - 16  xul.dll + 0x73ddcd
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     eip = 0x525bddcd   esp = 0x0cddfc50   ebp = 0x0cddfd28
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO - 17  nss3.dll!_PR_NativeRunThread(void*) [pruthr.c:3ad572324f0121fd7fa26a1a9993436ae0906a20 : 399 + 0x11]
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     eip = 0x6b5066d0   esp = 0x0cddfd30   ebp = 0x0cddfd5c
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO - 18  nss3.dll!pr_root(void*) [w95thred.c:3ad572324f0121fd7fa26a1a9993436ae0906a20 : 139 + 0xf]
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     eip = 0x6b51d4e6   esp = 0x0cddfd64   ebp = 0x0cddfd6c   ebx = 0x001c26a0
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     esi = 0x0f4d12e0   edi = 0x001c26a0
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO -     Found by: call frame info
[task 2021-11-06T12:23:17.876Z] 12:23:17     INFO - 19  ucrtbase.dll + 0x3e16f
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     eip = 0x6b1ce16f   esp = 0x0cddfd74   ebp = 0x0cddfda8   esi = 0x6b51d4d0
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     Found by: call frame info
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO - 20  kernel32.dll + 0x4ef3c
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     eip = 0x7716ef3c   esp = 0x0cddfdb0   ebp = 0x0cddfdb4
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO - 21  ntdll.dll + 0x63618
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     eip = 0x77d13618   esp = 0x0cddfdbc   ebp = 0x0cddfdf4
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO - 22  ntdll.dll + 0x635eb
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     eip = 0x77d135eb   esp = 0x0cddfdfc   ebp = 0x0cddfe0c
[task 2021-11-06T12:23:17.877Z] 12:23:17     INFO -     Found by: previous frame's frame pointer
```