Got Segmentation fault 11 when I use ffi to load leveldb on osx

Issue #1407 invalid
Jon Xie
created an issue

I tried 0.10.2 and 11.1 to load leveldb 1.20, but I failed to load it.

Please help me, thank you

Process:               love [13471]
Path:                  /Applications/love.app/Contents/MacOS/love
Identifier:            org.love2d.love
Version:               11.1 (???)
Code Type:             X86-64 (Native)
Parent Process:        ??? [13470]
Responsible:           love [13471]
User ID:               501

Date/Time:             2018-04-30 19:18:18.026 +0800
OS Version:            Mac OS X 10.13.4 (17E199)
Report Version:        12
Bridge OS Version:     3.0 (14Y661)
Anonymous UUID:        7EB2F1D8-91A8-2E37-CE71-355B70A799E3

Sleep/Wake UUID:       27B8957C-7328-44F1-AB29-66A3BCB25435

Time Awake Since Boot: 160000 seconds
Time Since Wake:       6600 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 0x000000000b153f98
Exception Note:        EXC_CORPSE_NOTIFY

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

VM Regions Near 0xb153f98:
    VM_ALLOCATE            000000000af25000-000000000af45000 [  128K] rw-/rwx SM=PRV  
--> 
    SBRK (reserved)        000000000b173000-000000000b573000 [ 4096K] rw-/rwx SM=NUL  reserved VM address space (unallocated)

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_malloc.dylib          0x00007fff5346e676 free + 93
1   dyld                            0x00000001097962f4 dyld::garbageCollectImages() + 851
2   dyld                            0x000000010979f2ac dlclose + 140
3   libdyld.dylib                   0x00007fff532c5d1c dlclose + 87
4   LuaJIT.LuaJIT                   0x0000000103be6ce7 0x103b93000 + 343271

Thread 1:
0   libsystem_kernel.dylib          0x00007fff53415292 __workq_kernreturn + 10
1   libsystem_pthread.dylib         0x00007fff535dc20e _pthread_wqthread + 1552
2   libsystem_pthread.dylib         0x00007fff535dbbe9 start_wqthread + 13

Thread 2:
0   libsystem_kernel.dylib          0x00007fff53415292 __workq_kernreturn + 10
1   libsystem_pthread.dylib         0x00007fff535dc009 _pthread_wqthread + 1035
2   libsystem_pthread.dylib         0x00007fff535dbbe9 start_wqthread + 13

Thread 3:
0   libsystem_kernel.dylib          0x00007fff5340b25e semaphore_timedwait_trap + 10
1   libdispatch.dylib               0x00007fff5329a99f _dispatch_sema4_timedwait + 72
2   libdispatch.dylib               0x00007fff5329299e _dispatch_semaphore_wait_slow + 58
3   libdispatch.dylib               0x00007fff5328dea3 _dispatch_worker_thread + 251
4   libsystem_pthread.dylib         0x00007fff535dc661 _pthread_body + 340
5   libsystem_pthread.dylib         0x00007fff535dc50d _pthread_start + 377
6   libsystem_pthread.dylib         0x00007fff535dbbf9 thread_start + 13

Thread 4:: com.apple.audio.IOThread.client
0   libsystem_kernel.dylib          0x00007fff5340b20a mach_msg_trap + 10
1   libsystem_kernel.dylib          0x00007fff5340a724 mach_msg + 60
2   com.apple.audio.CoreAudio       0x00007fff2aa058da HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 124
3   com.apple.audio.CoreAudio       0x00007fff2aa0584d HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 45
4   com.apple.audio.CoreAudio       0x00007fff2aa028b9 HALC_ProxyIOContext::IOWorkLoop() + 977
5   com.apple.audio.CoreAudio       0x00007fff2aa0231c HALC_ProxyIOContext::IOThreadEntry(void*) + 128
6   com.apple.audio.CoreAudio       0x00007fff2aa0205e HALB_IOThread::Entry(void*) + 72
7   libsystem_pthread.dylib         0x00007fff535dc661 _pthread_body + 340
8   libsystem_pthread.dylib         0x00007fff535dc50d _pthread_start + 377
9   libsystem_pthread.dylib         0x00007fff535dbbf9 thread_start + 13

Thread 5:: AudioPool
0   libsystem_kernel.dylib          0x00007fff53414d8a __semwait_signal + 10
1   libsystem_c.dylib               0x00007fff5338f724 nanosleep + 199
2   org.libsdl.SDL2                 0x0000000103c8094e 0x103c59000 + 162126
3   love2d.love                     0x00000001036581d3 love::audio::openal::Audio::PoolThread::threadFunction() + 67
4   love2d.love                     0x000000010370498c love::thread::sdl::Thread::thread_runner(void*) + 28
5   org.libsdl.SDL2                 0x0000000103c7ed40 0x103c59000 + 154944
6   libsystem_pthread.dylib         0x00007fff535dc661 _pthread_body + 340
7   libsystem_pthread.dylib         0x00007fff535dc50d _pthread_start + 377
8   libsystem_pthread.dylib         0x00007fff535dbbf9 thread_start + 13

Thread 6:: VideoWorker
0   libsystem_kernel.dylib          0x00007fff53414a1e __psynch_cvwait + 10
1   libsystem_pthread.dylib         0x00007fff535dd589 _pthread_cond_wait + 732
2   org.libsdl.SDL2                 0x0000000103c7cc7e 0x103c59000 + 146558
3   love2d.love                     0x000000010366483c love::thread::sdl::Conditional::wait(love::thread::Mutex*, int) + 28
4   love2d.love                     0x00000001036a21dd love::video::theora::Worker::threadFunction() + 109
5   love2d.love                     0x000000010370498c love::thread::sdl::Thread::thread_runner(void*) + 28
6   org.libsdl.SDL2                 0x0000000103c7ed40 0x103c59000 + 154944
7   libsystem_pthread.dylib         0x00007fff535dc661 _pthread_body + 340
8   libsystem_pthread.dylib         0x00007fff535dc50d _pthread_start + 377
9   libsystem_pthread.dylib         0x00007fff535dbbf9 thread_start + 13

Thread 7:
0   libsystem_kernel.dylib          0x00007fff53415292 __workq_kernreturn + 10
1   libsystem_pthread.dylib         0x00007fff535dc009 _pthread_wqthread + 1035
2   libsystem_pthread.dylib         0x00007fff535dbbe9 start_wqthread + 13

Thread 8:
0   libsystem_kernel.dylib          0x00007fff53415292 __workq_kernreturn + 10
1   libsystem_pthread.dylib         0x00007fff535dc009 _pthread_wqthread + 1035
2   libsystem_pthread.dylib         0x00007fff535dbbe9 start_wqthread + 13

Thread 9:: Event Tap Loop
0   libsystem_kernel.dylib          0x00007fff5340b20a mach_msg_trap + 10
1   libsystem_kernel.dylib          0x00007fff5340a724 mach_msg + 60
2   com.apple.CoreFoundation        0x00007fff2afaf7d5 __CFRunLoopServiceMachPort + 341
3   com.apple.CoreFoundation        0x00007fff2afaeb27 __CFRunLoopRun + 1783
4   com.apple.CoreFoundation        0x00007fff2afae1a3 CFRunLoopRunSpecific + 483
5   com.apple.CoreFoundation        0x00007fff2afecc33 CFRunLoopRun + 99
6   org.libsdl.SDL2                 0x0000000103d38053 0x103c59000 + 913491
7   org.libsdl.SDL2                 0x0000000103c7ed40 0x103c59000 + 154944
8   libsystem_pthread.dylib         0x00007fff535dc661 _pthread_body + 340
9   libsystem_pthread.dylib         0x00007fff535dc50d _pthread_start + 377
10  libsystem_pthread.dylib         0x00007fff535dbbf9 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000003668000  rbx: 0x000000000b153f88  rcx: 0x0000000000000000  rdx: 0x00000001097de078
  rdi: 0x000000000b153f88  rsi: 0x00007f9d9a4227d0  rbp: 0x00007ffeec5b9d20  rsp: 0x00007ffeec5b9cf0
   r8: 0x00007ffeec5b9d00   r9: 0x0000000000000000  r10: 0x0000000000000000  r11: 0x0000000000000246
  r12: 0x0000000000000003  r13: 0x0000000000000009  r14: 0x00007f9d9a4227d0  r15: 0x00007f9d9a4227d0
  rip: 0x00007fff5346e676  rfl: 0x0000000000010246  cr2: 0x000000000b153f98

Logical CPU:     0
Error Code:      0x00000004
Trap Number:     14


Binary Images:
         0x3704000 -          0x3708ffb  com.apple.audio.AppleHDAHALPlugIn (281.51 - 281.51) <DCCD4E19-B09A-36D6-A19D-2549FCD7D5F0> /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn
         0x6188000 -          0x6330fff  com.apple.audio.units.Components (1.14 - 1.14) <540CC580-7CEE-3B00-ADF7-F6BFBBF70999> /System/Library/Components/CoreAudio.component/Contents/MacOS/CoreAudio
         0x7918000 -          0x7925ff7  com.apple.iokit.IOHIDLib (2.0.0 - 2.0.0) <0EE39934-EEA4-3A7D-AF86-7B6D6470EEC1> /System/Library/Extensions/IOHIDFamily.kext/Contents/PlugIns/IOHIDLib.plugin/Contents/MacOS/IOHIDLib
         0x8f59000 -          0x9d9aff7  com.apple.driver.AppleIntelSKLGraphicsGLDriver (10.32.48 - 10.3.2) <E5D92E1F-16E6-3E72-94DC-D17B8A6C87B2> /System/Library/Extensions/AppleIntelSKLGraphicsGLDriver.bundle/Contents/MacOS/AppleIntelSKLGraphicsGLDriver
         0xa21a000 -          0xa2dcffb  com.apple.AMDRadeonX4000GLDriver (1.66.31 - 1.6.6) <B94F207D-D81B-3C1E-AB07-D81561280435> /System/Library/Extensions/AMDRadeonX4000GLDriver.bundle/Contents/MacOS/AMDRadeonX4000GLDriver
       0x103644000 -        0x103646ff7 +org.love2d.love (11.1 - ???) <05127646-4843-3A93-8221-5EBC807D6566> /Applications/love.app/Contents/MacOS/love
       0x10364d000 -        0x103a15fff +love2d.love (11.1 - 9) <45F23ED3-2064-3CE7-970C-3DC6F7E737EC> /Applications/love.app/Contents/Frameworks/love.framework/Versions/A/love
       0x103b93000 -        0x103c0dfff +LuaJIT.LuaJIT (2.0.5 - 2.0.5) <66706741-5408-352D-8F18-C8A34BB8B05D> /Applications/love.app/Contents/Frameworks/Lua.framework/Versions/A/Lua
       0x103c18000 -        0x103c52ff7 +theora (1) <CC1DE78D-BC72-3DF8-90F3-CE287635AF6B> /Applications/love.app/Contents/Frameworks/theora.framework/Versions/A/theora
       0x103c59000 -        0x103d71fff +org.libsdl.SDL2 (2.0.8 - 2.0.8) <1F364A5D-18ED-32D1-A258-4D07EFD372F1> /Applications/love.app/Contents/Frameworks/SDL2.framework/Versions/A/SDL2
       0x103d92000 -        0x103e37ff7 +alsoft.openal (1.18.2 - 1.18.2) <E3B9C406-93FB-3F90-9AEC-E683C8AA4DDB> /Applications/love.app/Contents/Frameworks/OpenAL-Soft.framework/Versions/A/OpenAL-Soft
       0x103e4e000 -        0x103ed5ff7 +freetype (1.0 - ???) <48CB3F3F-2C71-3FF4-91D9-97D0F71209E4> /Applications/love.app/Contents/Frameworks/freetype.framework/Versions/2.8.1/freetype
       0x103ef2000 -        0x103f31ff7 +net.sourceforge.libmodplug (1.0 - 1) <AF1BB950-8E55-3D7A-89BC-44D24217A325> /Applications/love.app/Contents/Frameworks/libmodplug.framework/Versions/A/libmodplug
       0x103fc5000 -        0x103ff3fff +de.mpg123 (1.0 - 1) <7B8078CC-3E49-3029-8903-E478FC540BA4> /Applications/love.app/Contents/Frameworks/mpg123.framework/Versions/A/mpg123
       0x104010000 -        0x104014fff +ogg (1) <9F11C6B4-83AC-3FF2-8AE4-976C53514E15> /Applications/love.app/Contents/Frameworks/ogg.framework/Versions/A/ogg
       0x10401c000 -        0x1040cbff7 +vorbis (1) <137D10F4-AE83-3919-94B6-BC1DFD9DA0A6> /Applications/love.app/Contents/Frameworks/vorbis.framework/Versions/A/vorbis
       0x109791000 -        0x1097db9df  dyld (551.3) <AFAB4EFA-7020-34B1-BBEF-0F26C6D3CA36> /usr/lib/dyld
    0x7fff23a78000 -     0x7fff242ceff7  ATIRadeonX4000SCLib.dylib (1.66.31) <488870F0-FE0A-335D-9F28-397CAB5083A0> /System/Library/Extensions/AMDRadeonX4000GLDriver.bundle/Contents/MacOS/ATIRadeonX4000SCLib.dylib
    0x7fff274a3000 -     0x7fff274a3fff  com.apple.Accelerate (1.11 - Accelerate 1.11) <8632A9C5-19EA-3FD7-A44D-80765CC9C540> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff274a4000 -     0x7fff274bafef  libCGInterfaces.dylib (417.2) <ED0EAE3C-D963-3DF7-A408-4F00FF1C8C34> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/Libraries/libCGInterfaces.dylib
    0x7fff274bb000 -     0x7fff279b9fc3  com.apple.vImage (8.1 - ???) <A243A7EF-0C8E-3A9A-AA38-44AFD7507F00> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff279ba000 -     0x7fff27b14fe3  libBLAS.dylib (1211.50.2) <62C659EB-3E32-3B5F-83BF-79F5DF30D5CE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fff27b15000 -     0x7fff27b43fef  libBNNS.dylib (38.1) <7BAEFDCA-3227-3E07-80D8-59B6370B89C6> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
    0x7fff27b44000 -     0x7fff27f03ff7  libLAPACK.dylib (1211.50.2) <40ADBA5F-8B2D-30AC-A7AD-7B17C37EE52D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fff27f04000 -     0x7fff27f19ff7  libLinearAlgebra.dylib (1211.50.2) <E8E0B7FD-A0B7-31E5-AF01-81781F71EBBE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
    0x7fff27f1a000 -     0x7fff27f1fff3  libQuadrature.dylib (3) <3D6BF66A-55B2-3692-BAC7-DEB0C676ED29> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
    0x7fff27f20000 -     0x7fff27fa0fff  libSparse.dylib (79.50.2) <0DC25CDD-F8C1-3D6E-B472-8B060708424F> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
    0x7fff27fa1000 -     0x7fff27fb4fff  libSparseBLAS.dylib (1211.50.2) <722573CC-31CC-34B2-9032-E4F652A9CCFE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
    0x7fff27fb5000 -     0x7fff28162fc3  libvDSP.dylib (622.50.5) <40690941-CF89-3F90-A0AC-A4D200744A5D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff28163000 -     0x7fff28214fff  libvMisc.dylib (622.50.5) <BA2532DF-2D68-3DD0-9B59-D434BF702AA4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff28215000 -     0x7fff28215fff  com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <54FF3B43-E66C-3F36-B34B-A2B3B0A36502> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff28508000 -     0x7fff29366fff  com.apple.AppKit (6.9 - 1561.40.112) <C839B0C1-F7EE-3056-985C-63CF1A030EC4> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
    0x7fff293b8000 -     0x7fff293b8fff  com.apple.ApplicationServices (48 - 50) <8DA47D38-B07B-3AE2-B343-4579864430C6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
    0x7fff293b9000 -     0x7fff2941ffff  com.apple.ApplicationServices.ATS (377 - 445.3) <000C4E9F-E0D9-371D-B304-83BA37460724> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
    0x7fff294b8000 -     0x7fff295dafff  libFontParser.dylib (222.1.4) <FF68FAF6-70BB-3E39-A263-E17B6F5E00D0> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
    0x7fff295db000 -     0x7fff29625ff7  libFontRegistry.dylib (221.3) <C84F7112-4764-3F4B-9FBA-4A022CF6346B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
    0x7fff296ca000 -     0x7fff296fdff7  libTrueTypeScaler.dylib (222.1.4) <4734ECD6-6F41-3A16-AE35-265BDC1572C5> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libTrueTypeScaler.dylib
    0x7fff29767000 -     0x7fff2976bff3  com.apple.ColorSyncLegacy (4.13.0 - 1) <A5FB2694-1559-34A8-A3D3-2029F68A63CA> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy
    0x7fff2980b000 -     0x7fff2985dffb  com.apple.HIServices (1.22 - 624) <828E189A-62F9-3961-8A89-22F508870CC5> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff2985e000 -     0x7fff2986cfff  com.apple.LangAnalysis (1.7.0 - 1.7.0) <B65FF7E6-E9B5-34D8-8CA7-63D415A8A9A6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff2986d000 -     0x7fff298b9fff  com.apple.print.framework.PrintCore (13.4 - 503.2) <B90C67C1-0292-3CEC-885D-F1882CD104BE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff298ba000 -     0x7fff298f4fff  com.apple.QD (3.12 - 404.2) <38B20AFF-9D54-3B52-A6DC-C0D71380AA5F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff298f5000 -     0x7fff29901fff  com.apple.speech.synthesis.framework (7.5.1 - 7.5.1) <84ADDF38-36F1-3D3B-B28D-8865FA10FCD7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
    0x7fff29902000 -     0x7fff29b8fff7  com.apple.audio.toolbox.AudioToolbox (1.14 - 1.14) <87D81714-F167-39F5-B5E7-A7A432EDAB5B> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff29b91000 -     0x7fff29b91fff  com.apple.audio.units.AudioUnit (1.14 - 1.14) <513C9A4B-4F6D-3A21-921F-2CA101B97830> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
    0x7fff29eb3000 -     0x7fff2a24dff7  com.apple.CFNetwork (897.15 - 897.15) <0C03AF39-3527-3E0D-8413-8E1B2A962F0D> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
    0x7fff2a262000 -     0x7fff2a262fff  com.apple.Carbon (158 - 158) <F8B370D9-2103-3276-821D-ACC756167F86> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
    0x7fff2a263000 -     0x7fff2a266ffb  com.apple.CommonPanels (1.2.6 - 98) <2391761C-5CAA-3F68-86B7-50B37927B104> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
    0x7fff2a267000 -     0x7fff2a56cfff  com.apple.HIToolbox (2.1.1 - 911.10) <BF7F9C0E-C732-3FB2-9BBC-362888BDA57B> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
    0x7fff2a56d000 -     0x7fff2a570ffb  com.apple.help (1.3.8 - 66) <DEBADFA8-C189-3195-B0D6-A1F2DE95882A> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
    0x7fff2a571000 -     0x7fff2a576fff  com.apple.ImageCapture (9.0 - 9.0) <23B4916F-3B43-3DFF-B956-FC390EECA284> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
    0x7fff2a577000 -     0x7fff2a60cffb  com.apple.ink.framework (10.9 - 221) <5206C8B0-22DA-36C9-998E-846EDB626D5B> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
    0x7fff2a60d000 -     0x7fff2a627ff7  com.apple.openscripting (1.7 - 174) <1B2A1F9E-5534-3D61-83CA-9199B39E8708> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
    0x7fff2a648000 -     0x7fff2a649fff  com.apple.print.framework.Print (12 - 267) <3682ABFB-2561-3419-847D-02C247F4800D> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
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    0x7fff535f3000 -     0x7fff53606fff  libsystem_trace.dylib (829.50.17) <6568D68B-1D4C-38EE-90A9-54821D6403C0> /usr/lib/system/libsystem_trace.dylib
    0x7fff53608000 -     0x7fff5360dff7  libunwind.dylib (35.3) <BEF3FB49-5604-3B5F-82B5-332B80023AC3> /usr/lib/system/libunwind.dylib
    0x7fff5360e000 -     0x7fff5363bfff  libxpc.dylib (1205.50.76) <25DB244E-217D-3CE0-A8F2-0C4255783B42> /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: 5944881
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=369.4M resident=0K(0%) swapped_out_or_unallocated=369.4M(100%)
Writable regions: Total=190.6M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=190.6M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Activity Tracing                   256K        2 
CoreUI image data                  148K        2 
CoreUI image file                  128K        3 
Dispatch continuations            16.0M        2 
Foundation                           4K        2 
IOKit                             15.5M        2 
Kernel Alloc Once                    8K        2 
MALLOC                           143.1M       27 
MALLOC guard page                   48K       12 
MALLOC_LARGE (reserved)           1280K        3         reserved VM address space (unallocated)
OpenGL GLSL                        256K        4 
SBRK (reserved)                   4096K        2         reserved VM address space (unallocated)
STACK GUARD                       56.0M       11 
Stack                             12.6M       11 
VM_ALLOCATE                       11.6M       18 
__DATA                            26.2M      251 
__FONT_DATA                          4K        2 
__GLSLBUILTINS                    2588K        2 
__LINKEDIT                       197.9M       19 
__TEXT                           171.5M      248 
__UNICODE                          560K        2 
mapped file                       36.3M       11 
shared memory                     2680K       12 
===========                     =======  ======= 
TOTAL                            698.4M      627 
TOTAL, minus reserved VM space   693.2M      627 

Model: MacBookPro13,3, BootROM MBP133.0242.B00, 4 processors, Intel Core i7, 2.7 GHz, 16 GB, SMC 2.38f7
Graphics: Intel HD Graphics 530, Intel HD Graphics 530, Built-In
Graphics: Radeon Pro 455, AMD Radeon Pro 455, PCIe
Memory Module: BANK 0/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x80CE, 0x4B3445424533303445422D45474347202020
Memory Module: BANK 1/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x80CE, 0x4B3445424533303445422D45474347202020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x15A), Broadcom BCM43xx 1.0 (7.77.37.29.1a7)
Bluetooth: Version 6.0.5f3, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.0 Bus
USB Device: M10TBL Gaming keyboar
USB Device: iBridge
Thunderbolt Bus: MacBook Pro, Apple Inc., 33.1
Thunderbolt Bus: MacBook Pro, Apple Inc., 33.1

Comments (5)

  1. Bart van Strien

    It's very hard to debug this with the current information, but it's highly likely the problem is in your (ffi) code or in leveldb's code. Looking at the backtrace, the segfault occurs when unloading a dynamic library, something love doesn't really do by itself.

  2. Bart van Strien

    Like I said, it seems to be happening when a library is unloaded, and since leveldb isn't in the list of mapped libraries, it's likely it happens when leveldb is unloaded. Maybe ruby just never unloads it? Maybe it conflicts with symbols already present?

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