[issue38479] Segmentation fault: 11 Python3.6 on Macbook

[Ned Deily]

Ned Deily  added the comment:

Your system appears to be running Cylance, which I gather is some sort of 
third-party virus protection system; from the system crash trace, the crash 
ssems to have happened in /Library/Application 
Support/Cylance/Desktop/CyMemDef.dylib which presumably is part of Cylance.  I 
suggest you try disabling it or contacting the vendor for support.  Note also 
that Python 3.6.5 is no longer supported; as of today, 3.8.0 is now available 
and 3.7.x has been and will be supported for some time.

Good luck!

--
nosy: +ned.deily
resolution:  -> third party
stage:  -> resolved
status: open -> closed

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[issue38479] Segmentation fault: 11 Python3.6 on Macbook

[Young Y]

New submission from Young Y :

Segmentation fault: 11Process:   Python [5343]
Path:  
/Library/Frameworks/Python.framework/Versions/3.6/Resources/Python.app/Contents/MacOS/Python
Identifier:Python
Version:   3.6.5 (3.6.5)
Code Type: X86-64 (Native)
Parent Process:bash [3524]
Responsible:   Python [5343]
User ID:   501

Date/Time: 2019-10-15 13:26:45.395 +0800
OS Version:Mac OS X 10.14.1 (18B75)
Report Version:12
Anonymous UUID:4552DCD6-6528-6E1A-0C86-24A09F7835F8


Time Awake Since Boot: 9600 seconds

System Integrity Protection: enabled

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

Exception Type:EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:   KERN_INVALID_ADDRESS at 0x000201c49b57
Exception Note:EXC_CORPSE_NOTIFY

Termination Signal:Segmentation fault: 11
Termination Reason:Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [5343]

VM Regions Near 0x201c49b57:
VM_ALLOCATE000181c4a000-000181c4b000 [4K] r-x/rwx 
SM=PRV  
--> 
__UNIXSTACK7fff5b00-7fff5c00 [ 16.0M] rw-/rwx 
SM=ALI  
/Library/Frameworks/Python.framework/Versions/3.6/Resources/Python.app/Contents/MacOS/Python

Application Specific Information:
dyld: launch, running initializers
/Library/Application Support/Cylance/Desktop/CyMemDef.dylib

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   ??? 0x000201c49b57 0 + 8619596631
1   CyMemDef.dylib  0x000100a77737 _vm_protect(unsigned 
int, unsigned long, unsigned long, unsigned int, int) + 149
2   CyMemDef.dylib  0x000100a73e3e mach_override_setup 
+ 219
3   CyMemDef.dylib  0x000100a79297 injector(inject_s*, 
unsigned long) + 355
4   CyMemDef.dylib  0x000100a790a5 
MemDefMemory_initialize() + 35
5   CyMemDef.dylib  0x000100a77050 memdefosx_initialize 
+ 28
6   dyld0x7fff5f67dcc8 
ImageLoaderMachO::doModInitFunctions(ImageLoader::LinkContext const&) + 518
7   dyld0x7fff5f67dec6 
ImageLoaderMachO::doInitialization(ImageLoader::LinkContext const&) + 40
8   dyld0x7fff5f6790da 
ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&, unsigned 
int, char const*, ImageLoader::InitializerTimingList&, 
ImageLoader::UninitedUpwards&) + 358
9   dyld0x7fff5f67906d 
ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&, unsigned 
int, char const*, ImageLoader::InitializerTimingList&, 
ImageLoader::UninitedUpwards&) + 249
10  dyld0x7fff5f678254 
ImageLoader::processInitializers(ImageLoader::LinkContext const&, unsigned int, 
ImageLoader::InitializerTimingList&, ImageLoader::UninitedUpwards&) + 134
11  dyld0x7fff5f6782e8 
ImageLoader::runInitializers(ImageLoader::LinkContext const&, 
ImageLoader::InitializerTimingList&) + 74
12  dyld0x7fff5f667774 
dyld::initializeMainExecutable() + 199
13  dyld0x7fff5f66c78f 
dyld::_main(macho_header const*, unsigned long, int, char const**, char 
const**, char const**, unsigned long*) + 6237
14  dyld0x7fff5f6664f6 
dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header 
const*, unsigned long*) + 1154
15  dyld0x7fff5f666036 _dyld_start + 54

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x000100a94178  rbx: 0x000101c4ab3a  rcx: 0x  
rdx: 0x0008
  rdi: 0x0103  rsi: 0x000101c4ab3a  rbp: 0x7fff5bffdef0  
rsp: 0x7fff5bffdaa8
   r8: 0x0005   r9: 0x  r10: 0x  
r11: 0x0246
  r12: 0x0005  r13: 0x0103  r14: 0x  
r15: 0x0008
  rip: 0x000201c49b57  rfl: 0x00010246  cr2: 0x000201c49b57
  
Logical CPU: 1
Error Code:  0x0014
Trap Number: 14


Binary Images:
   0x1 -0x10ff7 +org.python.python (3.6.5 - 3.6.5) 
 
/Library/Frameworks/Python.framework/Versions/3.6/Resources/Python.app/Contents/MacOS/Python
   0x13000 -0x100450fe7  com.apple.CoreFoundation (6.9 - 
1560.12)  
/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
   0x1006fb000 -0x100922fef +org.python.python (3.6.5, [c] 
2001-2018 Python Software Foundation. - 3.6.5) 
 
/Library/Frameworks/Python.framework/Versions/3.6/Python
   0x100a6b000 -0x100a6cffb  libSystem.B.dylib (1252.200.5) 
 /usr/lib/libSystem.B.dylib