Mac OS High Sierra Beta - Python Crash

@ronaldoussoren

BPO	30837
Nosy	@ronaldoussoren, @jaraco, @ned-deily

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2017-07-07.20:57:50.062>
created_at = <Date 2017-07-03.14:39:01.755>
labels = ['OS-mac', 'type-crash']
title = 'Mac OS High Sierra Beta - Python Crash'
updated_at = <Date 2021-03-01.03:00:23.080>
user = 'https://bugs.python.org/ayesjm'

bugs.python.org fields:

activity = <Date 2021-03-01.03:00:23.080>
actor = 'jaraco'
assignee = 'none'
closed = True
closed_date = <Date 2017-07-07.20:57:50.062>
closer = 'ned.deily'
components = ['macOS']
creation = <Date 2017-07-03.14:39:01.755>
creator = 'ayesjm'
dependencies = []
files = []
hgrepos = []
issue_num = 30837
keywords = []
message_count = 9.0
messages = ['297598', '297607', '297630', '297889', '297910', '387830', '387831', '387832', '387833']
nosy_count = 4.0
nosy_names = ['ronaldoussoren', 'jaraco', 'ned.deily', 'ayesjm']
pr_nums = []
priority = 'normal'
resolution = 'third party'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue30837'
versions = ['Python 2.7', 'Python 3.6']

Process: Python [13106]
Path: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: 2.7.10 (2.7.10)
Code Type: X86-64 (Native)
Parent Process: Python [13070]
Responsible: Python [13106]
User ID: 501

Date/Time: 2017-07-03 10:28:23.591 -0400
OS Version: Mac OS X 10.13 (17A291m)
Report Version: 12
Anonymous UUID: C76645A8-C44A-EAB5-D937-2BD69A20A0A9

Time Awake Since Boot: 18000 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Reason: Namespace OBJC, Code 0x1

Application Specific Information:
crashed on child side of fork pre-exec
objc[13106]: +[__NSPlaceholderDate initialize] may have been in progress in another thread when fork() was called.

Thread 0 Crashed:: 0 libsystem_kernel.dylib 1 libsystem_kernel.dylib 2 libsystem_kernel.dylib 3 libobjc.A.dylib 4 libobjc.A.dylib 5 libobjc.A.dylib 6 libobjc.A.dylib 7 libobjc.A.dylib 8 com.apple.CoreFoundation 9 com.apple.CoreFoundation 10 com.apple.CoreFoundation 11 com.apple.CoreFoundation 12 com.apple.CoreFoundation 13 com.apple.CoreFoundation 14 com.apple.CoreFoundation 15 com.apple.CoreFoundation 16 libxpc.dylib 17 com.apple.CoreFoundation 18 com.apple.CoreFoundation 19 com.apple.CoreFoundation 20 com.apple.CoreFoundation 21 libsystem_trace.dylib 22 com.apple.CoreFoundation 23 com.apple.CoreFoundation 24 com.apple.CoreFoundation 25 com.apple.CoreFoundation 26 com.apple.CoreFoundation 27 com.apple.CoreFoundation 28 com.apple.CoreFoundation 29 com.apple.CoreFoundation 30 com.apple.CoreFoundation 31 com.apple.CoreFoundation 32 com.apple.SystemConfiguration 33 _scproxy.so 34 org.python.python 35 org.python.python 36 org.python.python 37 org.python.python 38 org.python.python 39 org.python.python 40 org.python.python 41 org.python.python 42 org.python.python 43 org.python.python 44 org.python.python 45 org.python.python 46 org.python.python 47 org.python.python 48 org.python.python 49 org.python.python 50 org.python.python 51 org.python.python 52 org.python.python 53 org.python.python 54 org.python.python 55 org.python.python 56 org.python.python 57 org.python.python 58 org.python.python 59 org.python.python 60 org.python.python 61 org.python.python 62 org.python.python 63 org.python.python 64 org.python.python 65 org.python.python 66 org.python.python 67 org.python.python 68 org.python.python 69 org.python.python 70 org.python.python 71 org.python.python 72 org.python.python 73 org.python.python 74 org.python.python 75 org.python.python 76 org.python.python 77 org.python.python 78 org.python.python 79 org.python.python 80 org.python.python 81 org.python.python 82 org.python.python 83 org.python.python 84 org.python.python 85 org.python.python 86 org.python.python 87 org.python.python 88 org.python.python 89 org.python.python 90 org.python.python 91 org.python.python 92 org.python.python 93 org.python.python 94 org.python.python 95 org.python.python 96 org.python.python 97 org.python.python 98 org.python.python 99 org.python.python 100 org.python.python 101 org.python.python 102 org.python.python 103 org.python.python 104 org.python.python 105 org.python.python 106 org.python.python 107 org.python.python 108 org.python.python 109 org.python.python 110 org.python.python 111 org.python.python 112 org.python.python 113 org.python.python 114 org.python.python 115 org.python.python 116 org.python.python 117 org.python.python 118 org.python.python 119 org.python.python 120 org.python.python 121 org.python.python 122 org.python.python 123 org.python.python 124 libdyld.dylib Dispatch queue: com.apple.main-thread
0x00007fffbded33d6 __abort_with_payload + 10
0x00007fffbdecdf71 abort_with_payload_wrapper_internal + 89
0x00007fffbdecdf18 abort_with_reason + 22
0x00007fffbd1a99f2 _objc_fatalv(unsigned long long, unsigned long long, char const*, __va_list_tag*) + 108
0x00007fffbd1a98a4 _objc_fatal(char const*, ...) + 135
0x00007fffbd1aa4cb performForkChildInitialize(objc_class*, objc_class*) + 341
0x00007fffbd19ae8f lookUpImpOrForward + 228
0x00007fffbd19a914 _objc_msgSend_uncached + 68
0x00007fff96aa2a92 CFDateCreate + 34
0x00007fff96aa0168 __CFBinaryPlistCreateObjectFiltered + 1608
0x00007fff96aa1947 __CFBinaryPlistCreateObjectFiltered + 7719
0x00007fff96a86b1b __CFTryParseBinaryPlist + 187
0x00007fff96a864b1 _CFPropertyListCreateWithData + 97
0x00007fff96a863a0 CFPropertyListCreateWithData + 80
0x00007fff96a9f08b -[CFPrefsPlistSource handleReply:toRequestNewDataMessage:onConnection:retryCount:error:] + 683
0x00007fff96a9edb3 __93-[CFPrefsSearchListSource handleReply:toRequestNewDataMessage:onConnection:retryCount:error:]_block_invoke + 147
0x00007fffbe040d71 xpc_array_apply + 57
0x00007fff96a9ecec -[CFPrefsSearchListSource handleReply:toRequestNewDataMessage:onConnection:retryCount:error:] + 300
0x00007fff96c2644c __80-[CFPrefsSearchListSource alreadylocked_generationCountFromListOfSources:count:]_block_invoke_3.139 + 76
0x00007fff96c4d3e4 -[_CFXPreferences withConnectionForRole:performBlock:] + 36
0x00007fff96c263f5 __80-[CFPrefsSearchListSource alreadylocked_generationCountFromListOfSources:count:]_block_invoke_2.138 + 117
0x00007fffbe01f1ab _os_activity_initiate_impl + 53
0x00007fff96c26352 __80-[CFPrefsSearchListSource alreadylocked_generationCountFromListOfSources:count:]_block_invoke.136 + 114
0x00007fff96c25c97 CFPREFERENCES_IS_WAITING_FOR_USER_CFPREFSD + 39
0x00007fff96c25eec -[CFPrefsSearchListSource alreadylocked_generationCountFromListOfSources:count:] + 348
0x00007fff96a9d476 -[CFPrefsSearchListSource alreadylocked_copyDictionary] + 326
0x00007fff96a9cff3 -[CFPrefsSearchListSource alreadylocked_copyValueForKey:] + 67
0x00007fff96be1465 -[CFPrefsSource copyValueForKey:] + 53
0x00007fff96c4c040 __76-[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:]_block_invoke + 32
0x00007fff96c2730f __108-[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:]_block_invoke + 287
0x00007fff96c27185 -[_CFXPreferences(SearchListAdditions) withSearchListForIdentifier:container:cloudConfigurationURL:perform:] + 341
0x00007fff96c4bfe3 -[_CFXPreferences copyAppValueForKey:identifier:container:configurationURL:] + 131
0x00007fffa3022745 SCDynamicStoreCopyProxiesWithOptions + 155
0x000000010503092a 0x105030000 + 2346
0x00007fffa1339280 PyEval_EvalFrameEx + 3676
0x00007fffa133e256 0x7fffa12b8000 + 549462
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa133e256 0x7fffa12b8000 + 549462
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa133e256 0x7fffa12b8000 + 549462
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa12df935 0x7fffa12b8000 + 162101
0x00007fffa12c2581 PyObject_Call + 97
0x00007fffa12ccc9e 0x7fffa12b8000 + 85150
0x00007fffa12c2581 PyObject_Call + 97
0x00007fffa1307c78 0x7fffa12b8000 + 326776
0x00007fffa1303434 0x7fffa12b8000 + 308276
0x00007fffa12c2581 PyObject_Call + 97
0x00007fffa1338f76 PyEval_EvalFrameEx + 2898
0x00007fffa133e256 0x7fffa12b8000 + 549462
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa133e2b4 0x7fffa12b8000 + 549556
0x00007fffa1338b45 PyEval_EvalFrameEx + 1825
0x00007fffa1338232 PyEval_EvalCodeEx + 1551
0x00007fffa1337c1d PyEval_EvalCode + 32
0x00007fffa1356ad1 0x7fffa12b8000 + 649937
0x00007fffa1356b78 PyRun_FileExFlags + 130
0x00007fffa13566fa PyRun_SimpleFileExFlags + 706
0x00007fffa136796c Py_Main + 3064
0x00007fffbdd85ff9 start + 1

Thread 1:
0 libsystem_kernel.dylib 0x00007fffbded477a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fffbe00523e _pthread_wqthread + 995
2 libsystem_pthread.dylib 0x00007fffbe004e49 start_wqthread + 13

Thread 2:
0 libsystem_kernel.dylib 0x00007fffbded477a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fffbe005440 _pthread_wqthread + 1509
2 libsystem_pthread.dylib 0x00007fffbe004e49 start_wqthread + 13

Thread 3:
0 libsystem_kernel.dylib 0x00007fffbded477a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fffbe00523e _pthread_wqthread + 995
2 libsystem_pthread.dylib 0x00007fffbe004e49 start_wqthread + 13

Thread 4:
0 libsystem_pthread.dylib 0x00007fffbe004e3c start_wqthread + 0
1 ??? 0x00007fffc6497930 OBJC_METACLASS_$_OS_xpc_date + 40

Thread 5:
0 libsystem_pthread.dylib 0x00007fffbe004e3c start_wqthread + 0

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000002000209 rbx: 0x0000000000000001 rcx: 0x00007fff5b0d6d88 rdx: 0x0000000000000000
rdi: 0x0000000000000008 rsi: 0x0000000000000001 rbp: 0x00007fff5b0d6de0 rsp: 0x00007fff5b0d6d88
r8: 0x00007f8ac94a1580 r9: 0x0000000000000080 r10: 0x0000000000000000 r11: 0x0000000000000246
r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000008 r15: 0x0000000000000080
rip: 0x00007fffbded33d6 rfl: 0x0000000000000246 cr2: 0x0000000105307000

Logical CPU: 0
Error Code: 0x02000209
Trap Number: 133

Binary Images:
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0x104c75000 - 0x104c76fff _locale.so (109) <D782AA04-BB60-3682-8329-5AED24C72B84> /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_locale.so
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0x10524a000 - 0x10524bfff termios.so (109) <9067E25A-DC89-3123-BC27-11DA5C570518> /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/termios.so
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0x7fffa301b000 - 0x7fffa308bffb com.apple.SystemConfiguration (1.17 - 1.17) <4F0BBE4D-F8EC-3FD1-9BF1-782A008153CA> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
0x7fffa5c65000 - 0x7fffa5c7dfe7 com.apple.APFS (1.0 - 1) <E9A8EFB8-3F0F-30F4-80DC-82FC008EDF8E> /System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS
0x7fffa69bc000 - 0x7fffa6a04fff com.apple.AppleJPEG (1.0 - 1) <CCBAB335-8836-3537-8934-649137E0998A> /System/Library/PrivateFrameworks/AppleJPEG.framework/Versions/A/AppleJPEG
0x7fffa6a3f000 - 0x7fffa6a67fff com.apple.applesauce (1.0 - ???) <3545BBCF-8FF3-3B74-9A3F-92CFC1A01289> /System/Library/PrivateFrameworks/AppleSauce.framework/Versions/A/AppleSauce
0x7fffa7210000 - 0x7fffa7217fff com.apple.coreservices.BackgroundTaskManagement (1.0 - 57.1) <8FAB0EF3-7F2A-3C46-A30E-F3342A5940C6> /System/Library/PrivateFrameworks/BackgroundTaskManagement.framework/Versions/A/BackgroundTaskManagement
0x7fffa8be2000 - 0x7fffa8bebffb com.apple.CommonAuth (4.0 - 2.0) <1ACD12C4-783F-3B3F-9EB5-399940FDB3DD> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
0x7fffa95cb000 - 0x7fffa95dbff7 com.apple.CoreEmoji (1.0 - 65) <E935F3C5-7807-306C-81AF-C5E73A84A5FD> /System/Library/PrivateFrameworks/CoreEmoji.framework/Versions/A/CoreEmoji
0x7fffaa92e000 - 0x7fffaa932ff7 com.apple.DSExternalDisplay (3.1 - 380) <476A7E1A-AB8F-358A-8424-B34FBEFAB2F4> /System/Library/PrivateFrameworks/DSExternalDisplay.framework/Versions/A/DSExternalDisplay
0x7fffab89e000 - 0x7fffabcccfff com.apple.vision.FaceCore (3.3.2 - 3.3.2) <6E154CD6-4762-32A5-A48F-B999441A517B> /System/Library/PrivateFrameworks/FaceCore.framework/Versions/A/FaceCore
0x7fffafc9d000 - 0x7fffafcacfff com.apple.GraphVisualizer (1.0 - 5) <FDA4EE2B-BEDA-3AD5-8E71-D8CB6A6BCCB6> /System/Library/PrivateFrameworks/GraphVisualizer.framework/Versions/A/GraphVisualizer
0x7fffafcff000 - 0x7fffafd73ff3 com.apple.Heimdal (4.0 - 2.0) <9921343D-4CDB-359C-B6E2-FD8E75F46946> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
0x7fffb05d3000 - 0x7fffb05daff7 com.apple.IOAccelerator (358 - 358) <6F656737-5EE3-3817-AAF1-527C0575B9DB> /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator
0x7fffb05de000 - 0x7fffb05f4ff7 com.apple.IOPresentment (1.0 - 32.1) <DDE2EC99-458B-3362-9CC7-C970B1CEDE20> /System/Library/PrivateFrameworks/IOPresentment.framework/Versions/A/IOPresentment
0x7fffb0c5b000 - 0x7fffb0d4dff7 com.apple.LanguageModeling (1.0 - 152) <76D222F3-C960-320B-97F1-E063C2747742> /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
0x7fffb0d4e000 - 0x7fffb0d93fff com.apple.Lexicon-framework (1.0 - 28) <54325E87-E536-3FEA-9CD4-882059B797F8> /System/Library/PrivateFrameworks/Lexicon.framework/Versions/A/Lexicon
0x7fffb1948000 - 0x7fffb19adfff com.apple.gpusw.MetalTools (1.0 - 1) <76937F06-7C1B-3620-9078-FD5073F0CC4A> /System/Library/PrivateFrameworks/MetalTools.framework/Versions/A/MetalTools
0x7fffb1bb6000 - 0x7fffb1bdeff3 com.apple.MultitouchSupport.framework (431 - 431) <B2B1427B-412B-3907-A8D8-624A318DFDB6> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
0x7fffb1e3e000 - 0x7fffb1e49fff com.apple.NetAuth (6.2 - 6.2) <EB2F64C1-0747-3D58-ADB1-9503AE568D8F> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
0x7fffb7c20000 - 0x7fffb7eb2ff3 com.apple.SkyLight (1.600.0 - 286) <9ED9DEED-8A5F-33EA-9EB1-C38FD3A57C92> /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight
0x7fffb9707000 - 0x7fffb970efff com.apple.TCC (1.0 - 1) <6CDAEC6B-05D1-3DF8-9BC5-683EFD0A1437> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
0x7fffb9a6c000 - 0x7fffb9a6dfff com.apple.TrustEvaluationAgent (2.0 - 31) <39F533B2-211E-3635-AF47-23F27749FF4A> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent
0x7fffbb44e000 - 0x7fffbb450ff7 com.apple.loginsupport (1.0 - 1) <2AE0AB82-6613-3B2E-A967-C880DEDAD628> /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport
0x7fffbb756000 - 0x7fffbb78ffff libCRFSuite.dylib (41) <823C0426-8EB2-3437-BEA5-B8435EFB4B1C> /usr/lib/libCRFSuite.dylib
0x7fffbb790000 - 0x7fffbb79bfff libChineseTokenizer.dylib (28) <625D4CE0-9C6A-3857-AA15-AD30D50B650E> /usr/lib/libChineseTokenizer.dylib
0x7fffbb82d000 - 0x7fffbb82eff7 libDiagnosticMessagesClient.dylib (103) <495B43F1-F21B-3CA1-8F95-59B8F36A79A2> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fffbb865000 - 0x7fffbba2fff3 libFosl_dynamic.dylib (17.6) <92B9E75B-4A2B-34F8-BAAF-AF5897B247D6> /usr/lib/libFosl_dynamic.dylib
0x7fffbba67000 - 0x7fffbba67fff libOpenScriptingUtil.dylib (172) <D43A5945-28B5-392B-9D0B-40D861F50C18> /usr/lib/libOpenScriptingUtil.dylib
0x7fffbbb95000 - 0x7fffbbb96ff3 libSystem.B.dylib (1252) <CFC085EA-300E-3950-96A6-370404E04290> /usr/lib/libSystem.B.dylib
0x7fffbbc29000 - 0x7fffbbc29fff libapple_crypto.dylib (97.0.0.0.1) <0865224F-F38B-392B-8DBB-84E582C54D7F> /usr/lib/libapple_crypto.dylib
0x7fffbbc2a000 - 0x7fffbbc40ff3 libapple_nghttp2.dylib (1.20.3) <BDFAB4A0-D204-3DD3-BC62-B9E80A325BDA> /usr/lib/libapple_nghttp2.dylib
0x7fffbbc41000 - 0x7fffbbc6bff3 libarchive.2.dylib (54) <0B7FD7AD-0CFD-3F2C-88F0-ACBCBE8ECC2C> /usr/lib/libarchive.2.dylib
0x7fffbbcf1000 - 0x7fffbbcf1ff3 libauto.dylib (187) <A05C7900-F8C7-3E75-8D3F-909B40C19717> /usr/lib/libauto.dylib
0x7fffbbcf2000 - 0x7fffbbd9dff7 libboringssl.dylib (97.0.0.0.1) <90BBDFFB-9517-331B-AC61-C9B31547DE9D> /usr/lib/libboringssl.dylib
0x7fffbbd9e000 - 0x7fffbbdadff3 libbsm.0.dylib (39) <8423D62C-DA49-3581-8018-9CF1983A6EEE> /usr/lib/libbsm.0.dylib
0x7fffbbdae000 - 0x7fffbbdbbffb libbz2.1.0.dylib (38) <0A5086BB-4724-3C14-979D-5AD4F26B5B45> /usr/lib/libbz2.1.0.dylib
0x7fffbbdbc000 - 0x7fffbbe12fff libc++.1.dylib (400.9) <FCF5E1F6-2B04-3545-8004-F3AB32FED172> /usr/lib/libc++.1.dylib
0x7fffbbe13000 - 0x7fffbbe37ff7 libc++abi.dylib (400.7) <217656D5-BC40-37FF-B322-91CB2AAD4F34> /usr/lib/libc++abi.dylib
0x7fffbbe39000 - 0x7fffbbe49fff libcmph.dylib (6) <A5509EE8-7E00-3224-8814-015B077A3CF5> /usr/lib/libcmph.dylib
0x7fffbbe4a000 - 0x7fffbbe60fd3 libcompression.dylib (44) <F814591F-9653-34EA-AE68-FD971B8DA3F6> /usr/lib/libcompression.dylib
0x7fffbc11b000 - 0x7fffbc133ff7 libcoretls.dylib (154) <AC7B8B15-8327-3F4F-B03B-2D92E7B1FFB2> /usr/lib/libcoretls.dylib
0x7fffbc134000 - 0x7fffbc135ffb libcoretls_cfhelpers.dylib (154) <B7EC65D4-7056-3062-A862-C82AC6A10DE2> /usr/lib/libcoretls_cfhelpers.dylib
0x7fffbc2ce000 - 0x7fffbc45efff libcrypto.35.dylib (22) <067CFC21-249D-392D-ADE1-785100BF0F83> /usr/lib/libcrypto.35.dylib
0x7fffbc605000 - 0x7fffbc65affb libcups.2.dylib (457) <5FAD96AA-8F31-3B76-B2F1-3D7F3392DB79> /usr/lib/libcups.2.dylib
0x7fffbc798000 - 0x7fffbc798fff libenergytrace.dylib (16) <A92AB8B8-B986-3CE6-980D-D55090FEF387> /usr/lib/libenergytrace.dylib
0x7fffbc799000 - 0x7fffbc7b1ffb libexpat.1.dylib (15) <D4B9CF9A-4854-3AB4-924A-DBF2ED9124E6> /usr/lib/libexpat.1.dylib
0x7fffbc7bf000 - 0x7fffbc7c0fff libffi.dylib (18.1) <02011073-8CB7-362F-BC52-43B4E83687B0> /usr/lib/libffi.dylib
0x7fffbc7ce000 - 0x7fffbc7d3ffb libheimdal-asn1.dylib (518) <BBEEC607-5C6D-3E83-804C-F6BF98746DEE> /usr/lib/libheimdal-asn1.dylib
0x7fffbc7ff000 - 0x7fffbc8f0ff7 libiconv.2.dylib (51) <0772997F-4109-38A1-91ED-0F3F16AE99E5> /usr/lib/libiconv.2.dylib
0x7fffbc8f1000 - 0x7fffbcb17ffb libicucore.A.dylib (59108.0.1) <7F51EA4C-8285-3714-A5C0-B775725707FD> /usr/lib/libicucore.A.dylib
0x7fffbcb64000 - 0x7fffbcb65fff liblangid.dylib (128) <39C39393-0D05-301D-93B2-F224FC4949AA> /usr/lib/liblangid.dylib
0x7fffbcb66000 - 0x7fffbcb7fffb liblzma.5.dylib (10) <3D419A50-961F-37D2-8A01-3DC7AB7B8D18> /usr/lib/liblzma.5.dylib
0x7fffbcb80000 - 0x7fffbcb96ff7 libmarisa.dylib (9) <D6D2D55D-1D2E-3442-B152-B18803C0ABB4> /usr/lib/libmarisa.dylib
0x7fffbcc47000 - 0x7fffbce76ff7 libmecabra.dylib (770) <E252BDBA-65C3-3CCE-83FF-340CF6980DC2> /usr/lib/libmecabra.dylib
0x7fffbce7b000 - 0x7fffbceabffb libncurses.5.4.dylib (53) <030DF747-F71B-367A-83EE-2F30B7947929> /usr/lib/libncurses.5.4.dylib
0x7fffbd04e000 - 0x7fffbd11dff3 libnetwork.dylib (1196.0.0.1.1) <E362551B-F260-3789-88AB-C1824A583C5B> /usr/lib/libnetwork.dylib
0x7fffbd193000 - 0x7fffbd5817f7 libobjc.A.dylib (720) <BD4749EC-0FF9-3113-9B15-50B536CC7B07> /usr/lib/libobjc.A.dylib
0x7fffbd594000 - 0x7fffbd598fff libpam.2.dylib (22) <7B4D2CE2-1438-387A-9802-5CEEFBF26F86> /usr/lib/libpam.2.dylib
0x7fffbd59b000 - 0x7fffbd5cffff libpcap.A.dylib (77) <FC02E20A-541B-3613-AD0A-89706C87EBB6> /usr/lib/libpcap.A.dylib
0x7fffbd64f000 - 0x7fffbd66bffb libresolv.9.dylib (65) <E8F3415B-4472-3202-8901-41FD87981DB2> /usr/lib/libresolv.9.dylib
0x7fffbd6bb000 - 0x7fffbd849ffb libsqlite3.dylib (266) <0009E8DA-7879-3920-B2D1-A5552DE3735C> /usr/lib/libsqlite3.dylib
0x7fffbd8a5000 - 0x7fffbd8f8ffb libssl.35.dylib (22) <4D77B502-E065-3794-90E7-39E83F9683F6> /usr/lib/libssl.35.dylib
0x7fffbda18000 - 0x7fffbda4ffff libusrtcp.dylib (1196.0.0.1.1) <61712622-6D7B-3D04-B90B-03C06A51C5A8> /usr/lib/libusrtcp.dylib
0x7fffbda50000 - 0x7fffbda53ffb libutil.dylib (51) <58C59F00-031B-3798-B697-A8A4C58E70AA> /usr/lib/libutil.dylib
0x7fffbda54000 - 0x7fffbda61fff libxar.1.dylib (400) <A6626CFD-5CC1-32E6-9CEF-C652885631F0> /usr/lib/libxar.1.dylib
0x7fffbda65000 - 0x7fffbdb4cfff libxml2.2.dylib (31.5) <7679E85C-C3F0-302A-AE40-5F7FEE879AAC> /usr/lib/libxml2.2.dylib
0x7fffbdb4d000 - 0x7fffbdb75ffb libxslt.1.dylib (15.9) <DDD75DF9-C7B9-34E4-8841-17253CF4E40F> /usr/lib/libxslt.1.dylib
0x7fffbdb76000 - 0x7fffbdb87ff7 libz.1.dylib (68) <3DDAEFB9-66FA-3E2D-8C0F-5A18AB8150A6> /usr/lib/libz.1.dylib
0x7fffbdc1e000 - 0x7fffbdc22ff7 libcache.dylib (79) <1457D615-F582-3A52-A546-28C1A26A8FE0> /usr/lib/system/libcache.dylib
0x7fffbdc23000 - 0x7fffbdc2dff3 libcommonCrypto.dylib (60117) <D448CBEF-E229-3969-9CFB-6065D760E1D9> /usr/lib/system/libcommonCrypto.dylib
0x7fffbdc2e000 - 0x7fffbdc35fff libcompiler_rt.dylib (62) <2C282262-54F9-3A67-B53E-CB5F7418DD21> /usr/lib/system/libcompiler_rt.dylib
0x7fffbdc36000 - 0x7fffbdc3efff libcopyfile.dylib (146) <6FC59A4F-7A15-3BD0-9C24-477B5B7A982D> /usr/lib/system/libcopyfile.dylib
0x7fffbdc3f000 - 0x7fffbdcc3ffb libcorecrypto.dylib (551) <BBF295F0-2470-3009-AED4-F32E2B9B2C25> /usr/lib/system/libcorecrypto.dylib
0x7fffbdd4a000 - 0x7fffbdd84ff7 libdispatch.dylib (893) <50BBCB27-E361-3929-8513-70FEB437A61F> /usr/lib/system/libdispatch.dylib
0x7fffbdd85000 - 0x7fffbdda0ffb libdyld.dylib (513.2) <E4CCB3B8-5D08-3D73-A568-145857DE7EFE> /usr/lib/system/libdyld.dylib
0x7fffbdda1000 - 0x7fffbdda1ffb libkeymgr.dylib (28) <A67248BC-5361-3629-9497-DB6D59AC87E8> /usr/lib/system/libkeymgr.dylib
0x7fffbdda2000 - 0x7fffbddaeff7 libkxld.dylib (4481.0.0.1.1) <024232DE-7D70-370F-BB4C-A07DFE1363C6> /usr/lib/system/libkxld.dylib
0x7fffbddaf000 - 0x7fffbddafff7 liblaunch.dylib (1173) <7FBD9B64-07C1-3EF6-974E-70C107B0E793> /usr/lib/system/liblaunch.dylib
0x7fffbddb0000 - 0x7fffbddb4ffb libmacho.dylib (900) <58A84A1F-7C96-3CD5-9637-C4AD35FC856A> /usr/lib/system/libmacho.dylib
0x7fffbddb5000 - 0x7fffbddb7ff3 libquarantine.dylib (86) <6FAC40D2-BA20-3BE8-AB51-7B552F4F6103> /usr/lib/system/libquarantine.dylib
0x7fffbddb8000 - 0x7fffbddb9ff3 libremovefile.dylib (45) <3193FFE3-1254-3C3D-B6D4-198644BCF995> /usr/lib/system/libremovefile.dylib
0x7fffbddba000 - 0x7fffbddd1ff3 libsystem_asl.dylib (356) <C1D99B58-4045-3D2D-B932-B59E2C4FAE1D> /usr/lib/system/libsystem_asl.dylib
0x7fffbddd2000 - 0x7fffbddd2fff libsystem_blocks.dylib (67) <BCEA848B-879B-313D-9F1A-63785DF96024> /usr/lib/system/libsystem_blocks.dylib
0x7fffbddd3000 - 0x7fffbde5cfe7 libsystem_c.dylib (1230) <D0C52CD7-BB10-3C0A-9885-C5EFD3DEB8C3> /usr/lib/system/libsystem_c.dylib
0x7fffbde5d000 - 0x7fffbde60ffb libsystem_configuration.dylib (951) <31DA1200-2A3C-3D55-982E-4BA3050B6038> /usr/lib/system/libsystem_configuration.dylib
0x7fffbde61000 - 0x7fffbde64ffb libsystem_coreservices.dylib (50) <277C9353-70E0-3FB6-B137-EDD6D32FEDD5> /usr/lib/system/libsystem_coreservices.dylib
0x7fffbde65000 - 0x7fffbde66ff3 libsystem_darwin.dylib (1230) <843F09DC-D5E8-3EF3-90A9-B211578138D3> /usr/lib/system/libsystem_darwin.dylib
0x7fffbde67000 - 0x7fffbde6dff7 libsystem_dnssd.dylib (869) <EBA0FD33-D391-3EF8-AAE9-6FAE99215ACC> /usr/lib/system/libsystem_dnssd.dylib
0x7fffbde6e000 - 0x7fffbdeb7ff7 libsystem_info.dylib (513) <9F729295-12B6-34FC-84C2-C341BC47DCC6> /usr/lib/system/libsystem_info.dylib
0x7fffbdeb8000 - 0x7fffbdeddff7 libsystem_kernel.dylib (4481.0.0.1.1) <6D4CA4C4-82D1-3C58-B383-B6FD3C789DE7> /usr/lib/system/libsystem_kernel.dylib
0x7fffbdede000 - 0x7fffbdf29fcb libsystem_m.dylib (3145) <B1D3F17D-048A-3F4E-9F5B-9F5B9EEECC42> /usr/lib/system/libsystem_m.dylib
0x7fffbdf2a000 - 0x7fffbdf49fff libsystem_malloc.dylib (135) <C44399B2-0AE9-31CC-82B4-9901E542D71D> /usr/lib/system/libsystem_malloc.dylib
0x7fffbdf4a000 - 0x7fffbdfe4ff7 libsystem_network.dylib (1196.0.0.1.1) <9C77C0C9-A18F-3BA0-868D-7469E6A39CF1> /usr/lib/system/libsystem_network.dylib
0x7fffbdfe5000 - 0x7fffbdfefffb libsystem_networkextension.dylib (739) <BCC9B0E4-497D-3C72-9A6A-5910F1618BAD> /usr/lib/system/libsystem_networkextension.dylib
0x7fffbdff0000 - 0x7fffbdff9ff3 libsystem_notify.dylib (170) <4C874E44-8D5F-35FA-8BE6-26E5CB04FF59> /usr/lib/system/libsystem_notify.dylib
0x7fffbdffa000 - 0x7fffbe001ff7 libsystem_platform.dylib (158) <ABB49DE6-7918-325A-9D3F-98D393DFC70B> /usr/lib/system/libsystem_platform.dylib
0x7fffbe002000 - 0x7fffbe00dfff libsystem_pthread.dylib (293) <5EDB59B9-556E-3AD3-871A-BB634DFB8020> /usr/lib/system/libsystem_pthread.dylib
0x7fffbe00e000 - 0x7fffbe011ffb libsystem_sandbox.dylib (745.0.0.0.1) <D8674767-FB66-39AB-AA2D-A10777407B0C> /usr/lib/system/libsystem_sandbox.dylib
0x7fffbe012000 - 0x7fffbe013ff3 libsystem_secinit.dylib (29) <DA243870-EC66-339D-B07A-E5BE6214AE78> /usr/lib/system/libsystem_secinit.dylib
0x7fffbe014000 - 0x7fffbe01bffb libsystem_symptoms.dylib (787) <437DF646-70A9-3CFE-AF3B-EEBDD569A104> /usr/lib/system/libsystem_symptoms.dylib
0x7fffbe01c000 - 0x7fffbe02ffff libsystem_trace.dylib (793) <28C3B223-F0EE-315D-82B7-1B6529AEA58A> /usr/lib/system/libsystem_trace.dylib
0x7fffbe031000 - 0x7fffbe036ff7 libunwind.dylib (35.3) <05D93F98-913F-315C-9817-B6CEE7741CE4> /usr/lib/system/libunwind.dylib
0x7fffbe037000 - 0x7fffbe062fff libxpc.dylib (1173) <C636ADC4-2C4D-3DF0-BA21-B97275B90214> /usr/lib/system/libxpc.dylib

External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 48961
thread_create: 0
thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=290.6M resident=0K(0%) swapped_out_or_unallocated=290.6M(100%)
Writable regions: Total=135.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=135.9M(100%)

                            VIRTUAL   REGION

REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 2
Dispatch continuations 16.0M 2
Kernel Alloc Once 8K 2
MALLOC 83.6M 23
MALLOC guard page 32K 9
STACK GUARD 56.0M 7
Stack 18.6M 9
Stack Guard 8K 3
VM_ALLOCATE 17.3M 32
__DATA 15.0M 229
__FONT_DATA 4K 2
__LINKEDIT 186.6M 49
__TEXT 104.0M 229
__UNICODE 556K 2
shared memory 60K 7
=========== ======= =======
TOTAL 497.9M 592

Model: MacBookPro11,4, BootROM MBP114.0172.B16, 4 processors, Intel Core i7, 2.2 GHz, 16 GB, SMC 2.29f24
Graphics: Intel Iris Pro, Intel Iris Pro, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533642465238412D50422020
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343147533642465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x152), Broadcom BCM43xx 1.0 (7.77.28.0.1a2)
Bluetooth: Version 6.0.0d47, 3 services, 27 devices, 1 incoming serial ports
Network Service: Thunderbolt Ethernet Slot 3, Ethernet, en7
Network Service: Wi-Fi, AirPort, en0
PCI Card: pci1b73,1100, USB eXtensible Host Controller, Thunderbolt@194,0,0
PCI Card: ethernet, Ethernet Controller, Thunderbolt@193,0,0
PCI Card: pci1b73,1100, USB eXtensible Host Controller, Thunderbolt@192,0,0
PCI Card: pci11c1,5901, IEEE 1394 Open HCI, Thunderbolt@191,0,0
Serial ATA Device: OWC Aura SSD, 960.04 GB
Serial ATA Device: MARVELL VIRTUAL
USB Device: USB 3.0 Bus
USB Device: Internal Memory Card Reader
USB Device: Apple Internal Keyboard / Trackpad
USB Device: Bluetooth USB Host Controller
USB Device: USB 3.0 Bus
USB Device: USB audio CODEC
USB Device: USB 3.0 Bus
USB Device: USB Receiver
Thunderbolt Bus: MacBook Pro, Apple Inc., 27.1
Thunderbolt Device: Thunderbolt 2 Dock, Other World Computing, Inc., 1, 25.1

Sorry, without more information, there is not much we can do about this. Can you supply a reproducible test case? In any case, the crash is from use of the Apple-supplied system Python 2.7.10 which is a few releases behind the most recent released upstream (2.7.13). And it is running on pre-release public beta. You should report the problem to Apple using their Feedback Assistant.

All that said, the crash trace does show the Python helper extension module _scproxy in the chain and _scproxy has been problematic in the past: it is used to get network proxy information from the System Configuration framework. Previous crashes seemed to be due to lack of thread-safety in Apple's libdispatch, see for bpo-30385, but that doesn't seem to be the case here. Things may work differently under the covers in High Sierra. If you are able to reliably reproduce the problem, it would be interesting to see if the workaround in http://bugs.python.org/issue30385#msg293958 helps.

Joshua: does your script use os.fork(), or multiprocessing?

In that case this is a known issue made worse on High Sierra: _scproxy uses Cocoa libraries, and those cause problems when using for without exec. In High Sierra the Cocoa libraries are more strict and are hence more likely to cause problems like this.

There's not much we can do about that, other than avoiding using _scproxy. If you don't use a proxy server setting "no_proxy" in your shell environment should do the trick.

I proprose closing this issue as there's too little information to reproduce the problem, the crash is using a system build of Python on a beta version of macOS and this appears to be a known issue.

I agree with Ronald. Feel free to reopen if a reproducible test case can be supplied and duplicated with, say, a python.org Python. We still may not be able to do much about it other than suggest avoiding the proxy lookup.

I've stumbled into this issue and it's started occurring reliably on keyring in Python 3.6 as found on Github CI (https://github.com/jaraco/keyring/runs/1994652010?check_suite_focus=true).

It's not a highly-reproducible environment. I can't replicate it on my local machine, so there's probably something about how Github CI has changed the environment that's started to trigger the error.

It happens in the multiprocessing tests.

I started tracking it down in jaraco/keyring#494 and found I'd previously delved deep into a related issue (jaraco/keyring#281).

If the crashes are occurring while the multiprocessing fork tests are running, it's likely the issue described in bpo-33725. In Python 3.8, the default start method for multiprocessing on macOS was changed to be "spawn" rather than "fork" because of the inherent issues with fork/no-exec on macOS. You could try backporting that to your 3.6.

https://docs.python.org/3.8/library/multiprocessing.html#contexts-and-start-methods

All good. Thanks for the references. As with the prior issues, I'm going to just suppress those failures.

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Mac OS High Sierra Beta - Python Crash #75020

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Mac OS High Sierra Beta - Python Crash #75020

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ayesjm commented on Jul 3, 2017

ned-deily commented on Jul 3, 2017

ronaldoussoren commented on Jul 4, 2017

ronaldoussoren commented on Jul 7, 2017

ned-deily commented on Jul 7, 2017

jaraco commented on Mar 1, 2021

jaraco commented on Mar 1, 2021

ned-deily commented on Mar 1, 2021

jaraco commented on Mar 1, 2021

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