Bug: Intermittent esr91 win7 32-bit browser/components/preferences/tests/<random test> | application crashed [@ moz_xmalloc(unsigned int)]
Status: RESOLVED
Priority: --
Resolution: FIXED
Created: 2021-09-27 12:20:00+00:00
Resolved: 2022-07-18 06:31:22+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=352779968&repo=mozilla-esr91
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Npb8S5RxQ8G4GWyT8I9EHw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-09-27T11:13:52.849Z] 11:13:52     INFO - TEST-PASS | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js | template-featureGate should not be in search results - 
[task 2021-09-27T11:13:52.849Z] 11:13:52     INFO - Leaving test bound 
[task 2021-09-27T11:13:52.850Z] 11:13:52     INFO - Entering test bound 
[task 2021-09-27T11:13:52.850Z] 11:13:52     INFO - Buffered messages finished
[task 2021-09-27T11:13:52.851Z] 11:13:52    ERROR - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js | application terminated with exit code 1
[task 2021-09-27T11:13:52.851Z] 11:13:52     INFO - runtests.py | Application ran for: 0:02:36.444643
[task 2021-09-27T11:13:52.852Z] 11:13:52     INFO - zombiecheck | Reading PID log: C:\Users\task_1632739673\AppData\Local\Temp\tmp_048qpm6pidlog
[task 2021-09-27T11:13:52.853Z] 11:13:52     INFO - ==> process 3796 launched child process 2440 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.0.731176974\417289828" -childID 1 -isForBrowser -prefsHandle 2044 -prefMapHandle 2040 -prefsLen 1 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 2128 17897648 tab)
[task 2021-09-27T11:13:52.854Z] 11:13:52     INFO - ==> process 3796 launched child process 3376 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.1.558199865\2136834655" -childID 2 -isForBrowser -prefsHandle 2444 -prefMapHandle 2440 -prefsLen 183 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 2456 1a076e28 tab)
[task 2021-09-27T11:13:52.856Z] 11:13:52     INFO - ==> process 3796 launched child process 4564 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.2.1802592144\1503178182" -childID 3 -isForBrowser -prefsHandle 2572 -prefMapHandle 2568 -prefsLen 223 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 2584 17dbecd8 tab)
[task 2021-09-27T11:13:52.857Z] 11:13:52     INFO - ==> process 3796 launched child process 4088 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.3.797916231\1970467303" -parentBuildID 20210927091514 -prefsHandle 2852 -prefMapHandle 2848 -prefsLen 1146 -prefMapSize 250464 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 2864 1033ca18 rdd)
[task 2021-09-27T11:13:52.858Z] 11:13:52     INFO - ==> process 3796 launched child process 5852 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.5.1562481418\1429909379" -childID 4 -isForBrowser -prefsHandle 3632 -prefMapHandle 1772 -prefsLen 8918 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 3652 1788d648 tab)
[task 2021-09-27T11:13:52.859Z] 11:13:52     INFO - ==> process 3796 launched child process 6120 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.6.251551042\798692701" -childID 5 -isForBrowser -prefsHandle 3824 -prefMapHandle 3820 -prefsLen 8946 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 3836 1bd1b648 tab)
[task 2021-09-27T11:13:52.860Z] 11:13:52     INFO - ==> process 3796 launched child process 5536 ("Z:\task_1632739673\build\application\firefox\firefox.exe" -contentproc --channel="3796.7.1143569119\1961600136" -childID 6 -isForBrowser -prefsHandle 4392 -prefMapHandle 4396 -prefsLen 9402 -prefMapSize 250464 -jsInit 948 285716 -parentBuildID 20210927091514 -appdir "Z:\task_1632739673\build\application\firefox\browser" - 3796 "\\.\pipe\gecko-crash-server-pipe.3796" 4156 19f33798 tab)
[task 2021-09-27T11:13:52.861Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 5536
[task 2021-09-27T11:13:52.861Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 2440
[task 2021-09-27T11:13:52.862Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 6120
[task 2021-09-27T11:13:52.862Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 3376
[task 2021-09-27T11:13:52.863Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 4564
[task 2021-09-27T11:13:52.863Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 4088
[task 2021-09-27T11:13:52.864Z] 11:13:52     INFO - zombiecheck | Checking for orphan process with PID: 5852
[task 2021-09-27T11:13:52.864Z] 11:13:52     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 2021-09-27T11:13:57.338Z] 11:13:57     INFO - mozcrash Copy/paste: Z:/task_1632739673/fetches\minidump_stackwalk\minidump_stackwalk.exe C:\Users\task_1632739673\AppData\Local\Temp\tmp2klik2vc.mozrunner\minidumps\79aa42cc-809a-49c2-a1a3-e5a557e74299.dmp C:\Users\task_1632739673\AppData\Local\Temp\tmple9rrjvd
[task 2021-09-27T11:14:06.655Z] 11:14:06     INFO - mozcrash Saved minidump as Z:\task_1632739673\build\blobber_upload_dir\79aa42cc-809a-49c2-a1a3-e5a557e74299.dmp
[task 2021-09-27T11:14:06.660Z] 11:14:06     INFO - mozcrash Saved app info as Z:\task_1632739673\build\blobber_upload_dir\79aa42cc-809a-49c2-a1a3-e5a557e74299.extra
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - PROCESS-CRASH | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js | application crashed [@ moz_xmalloc(unsigned int)]
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Mozilla crash reason: MOZ_CRASH()
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Crash dump filename: C:\Users\task_1632739673\AppData\Local\Temp\tmp2klik2vc.mozrunner\minidumps\79aa42cc-809a-49c2-a1a3-e5a557e74299.dmp
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Operating system: Windows NT
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO -                   6.1.7601 Service Pack 1
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - CPU: x86
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO -      GenuineIntel family 6 model 63 stepping 2
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO -      8 CPUs
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - 
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - GPU: UNKNOWN
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - 
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Crash reason:  EXCEPTION_BREAKPOINT
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Crash address: 0x6a165070
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Process uptime: 156 seconds
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - 
[task 2021-09-27T11:14:06.979Z] 11:14:06     INFO - Thread 0 (crashed) 0  mozglue.dll!mozalloc_abort(char const* const) [mozalloc_abort.cpp:f8ef5376d115c5bd6a8f8eac5ada5858603a0eda : 33 + 0x0]
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     eip = 0x6a165070   esp = 0x002fec2c   ebp = 0x002fec38   ebx = 0x69f9f9b0
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     esi = 0x002fec44   edi = 0x00000002   eax = 0x0000000a   ecx = 0x69fa7af0
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     edx = 0x00000000   efl = 0x00000202
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     Found by: given as instruction pointer in context
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -  1  mozglue.dll!moz_xmalloc(unsigned int) [mozalloc.cpp:f8ef5376d115c5bd6a8f8eac5ada5858603a0eda : 58 + 0x6a]
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     eip = 0x6a1496d2   esp = 0x002fec40   ebp = 0x002fec84   ebx = 0x00080000
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     esi = 0x00000000   edi = 0x00000000
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -  2  xul.dll + 0x17b8475
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     eip = 0x59798475   esp = 0x002fec8c   ebp = 0x002fecc4   esi = 0x5d40811c
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     edi = 0x00986448
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -  3  xul.dll + 0x1790e66
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     eip = 0x59770e66   esp = 0x002feccc   ebp = 0x002fecfc
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -  4  xul.dll + 0x17bcde6
[task 2021-09-27T11:14:06.980Z] 11:14:06     INFO -     eip = 0x5979cde6   esp = 0x002fed04   ebp = 0x002fed54
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -  5  xul.dll + 0x7d7f22
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     eip = 0x587b7f22   esp = 0x002fed5c   ebp = 0x002fed98
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -  6  xul.dll + 0xb6b225
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     eip = 0x58b4b225   esp = 0x002feda0   ebp = 0x002fef50
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -  7  xul.dll + 0x36f087
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     eip = 0x5834f087   esp = 0x002fef58   ebp = 0x002fef74
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -  8  xul.dll + 0x7f33c5
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     eip = 0x587d33c5   esp = 0x002fef7c   ebp = 0x002fefec
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -  9  xul.dll + 0x7f39a5
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     eip = 0x587d39a5   esp = 0x002feff4   ebp = 0x002feff8
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.981Z] 11:14:06     INFO - 10  xul.dll + 0x17d29f7
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x597b29f7   esp = 0x002ff000   ebp = 0x002ff308
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO - 11  xul.dll + 0x14ca289
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x594aa289   esp = 0x002ff310   ebp = 0x002ff59c
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO - 12  xul.dll + 0x17f5781
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x597d5781   esp = 0x002ff5a4   ebp = 0x002ff650
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO - 13  xul.dll + 0x91db8f
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x588fdb8f   esp = 0x002ff658   ebp = 0x002ff688
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO - 14  xul.dll + 0x1e92f
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x57ffe92f   esp = 0x002ff690   ebp = 0x002ff6ac
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO - 15  xul.dll + 0x159935
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     eip = 0x58139935   esp = 0x002ff6b4   ebp = 0x002ff6bc
[task 2021-09-27T11:14:06.982Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO - 16  xul.dll + 0x158e48
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     eip = 0x58138e48   esp = 0x002ff6c4   ebp = 0x002ff7f8
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO - 17  xul.dll + 0x3bdace7
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     eip = 0x5bbbace7   esp = 0x002ff800   ebp = 0x002ff818
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO - 18  xul.dll + 0x3c3ab22
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     eip = 0x5bc1ab22   esp = 0x002ff820   ebp = 0x002ffab0
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO - 19  xul.dll + 0x3c3b631
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     eip = 0x5bc1b631   esp = 0x002ffab8   ebp = 0x002ffb00
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO - 20  xul.dll + 0x1c95326
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     eip = 0x59c75326   esp = 0x002ffb08   ebp = 0x002ffbd8
[task 2021-09-27T11:14:06.983Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO - 21  xul.dll + 0x3c40ff1
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     eip = 0x5bc20ff1   esp = 0x002ffbe0   ebp = 0x002ffbec
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO - 22  firefox.exe!wmain(int, wchar_t**) [nsWindowsWMain.cpp:f8ef5376d115c5bd6a8f8eac5ada5858603a0eda : 138 + 0x1c3]
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     eip = 0x00da6eb9   esp = 0x002ffbf4   ebp = 0x002ffd84
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     Found by: previous frame's frame pointer
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO - 23  firefox.exe!__scrt_common_main_seh() [exe_common.inl : 288 + 0x1c]
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     eip = 0x00db566c   esp = 0x002ffd8c   ebp = 0x002ffdcc   ebx = 0x7ffd3000
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     esi = 0x6a07f0b0   edi = 0x0050f1a0
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO - 24  kernel32.dll!BaseThreadInitThunk + 0x12
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     eip = 0x768aef3c   esp = 0x002ffdd4   ebp = 0x002ffdd8
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO - 25  ntdll.dll!BaseCheckVDMp + 0x8ff
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     eip = 0x77463618   esp = 0x002ffde0   ebp = 0x002ffe18
[task 2021-09-27T11:14:06.984Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.985Z] 11:14:06     INFO - 26  ntdll.dll!BaseCheckVDMp + 0x8d2
[task 2021-09-27T11:14:06.985Z] 11:14:06     INFO -     eip = 0x774635eb   esp = 0x002ffe20   ebp = 0x002ffe30
[task 2021-09-27T11:14:06.985Z] 11:14:06     INFO -     Found by: call frame info
[task 2021-09-27T11:14:06.985Z] 11:14:06     INFO - 
[task 2021-09-27T11:14:06.985Z] 11:14:06     INFO - Thread 1
```