Fatal error segmentation fault
I am posting this because the crash reporter told me to. Unfortunately I do not have a clear idea of the exact steps leading up to this, nor could I reproduce it.
GIMP version:2.10.14
Operating System: macOS
Package: homebrew
Description of the bug
Reproduction
Is the bug reproducible? Happened only once
Reproduction steps:
- Modify some images with script-fu
- Export one
- Load it back in
- Modify and save again
…
Expected result: Continue working Actual result: Crash.
Additional information
GNU Image Manipulation Program version 2.10.14
git-describe: Unknown, shouldn't happen
C compiler:
Configured with: --prefix=/Applications/Xcode-10.app/Contents/Developer/usr --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX10.9.sdk/usr/include/c++/4.2.1
Apple LLVM version 10.0.0 (clang-1000.11.45.2)
Target: x86_64-apple-darwin17.7.0
Thread model: posix
InstalledDir: /Applications/Xcode-10.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
using babl version 0.1.72 (compiled against version 0.1.72)
using GEGL version 0.4.18 (compiled against version 0.4.18)
using GLib version 2.60.6 (compiled against version 2.60.6)
using GdkPixbuf version 2.38.1 (compiled against version 2.38.1)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.43.0 (compiled against version 1.43.0)
using Fontconfig version 2.13.1 (compiled against version 2.13.1)
using Cairo version 1.16.0 (compiled against version 1.16.0)
fatal error: Segmentation fault: 11
Stack trace:
# Stack traces obtained from PID 12796 - Thread 0x5f83c #
(lldb) process attach --pid 12796
Process 12796 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
frame #0: 0x00007fff5fc92eee libsystem_kernel.dylib`read + 10
libsystem_kernel.dylib`read:
-> 0x7fff5fc92eee <+10>: jae 0x7fff5fc92ef8 ; <+20>
0x7fff5fc92ef0 <+12>: movq %rax, %rdi
0x7fff5fc92ef3 <+15>: jmp 0x7fff5fc9141d ; cerror
0x7fff5fc92ef8 <+20>: retq
Target 0: (gimp) stopped.
Executable module set to "/Applications/GIMP-2.10.app/Contents/MacOS/gimp".
Architecture set to: x86_64-apple-macosx-.
(lldb) thread list
Process 12796 stopped
* thread #1: tid = 0x5f83c, 0x00007fff5fc92eee libsystem_kernel.dylib`read + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
thread #2: tid = 0x5f867, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
thread #3: tid = 0x5f868, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
thread #4: tid = 0x5f869, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'worker'
thread #5: tid = 0x5f86b, 0x00007fff5fc9936a libsystem_kernel.dylib`poll + 10, name = 'gmain'
thread #6: tid = 0x5f86c, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'async'
thread #7: tid = 0x5f8c8, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
thread #8: tid = 0x5f8d0, 0x00007fff5fc9121a libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.NSEventThread'
thread #9: tid = 0x5f92f, 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'swap writer'
thread #10: tid = 0x60ce5, 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
thread #11: tid = 0x60e4d, 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
(lldb) thread backtrace all
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00007fff5fc92eee libsystem_kernel.dylib`read + 10
frame #1: 0x0000000106a9ab57 libgimpbase-2.0.0.dylib`gimp_stack_trace_print + 1415
frame #2: 0x0000000105b32336 gimp`gimp_eek + 374
frame #3: 0x0000000105b321bb gimp`gimp_fatal_error + 27
frame #4: 0x0000000105b32e7d gimp`gimp_sigfatal_handler + 45
frame #5: 0x00007fff5fd47b5d libsystem_platform.dylib`_sigtramp + 29
frame #6: 0x00000001074b4896 libgobject-2.0.0.dylib`g_type_check_instance_cast + 38
frame #7: 0x0000000105b706c1 gimp`file_save_dialog_save_image + 193
frame #8: 0x0000000105b4cc26 gimp`file_save_cmd_callback + 614
frame #9: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #10: 0x00000001074ac134 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 2004
frame #11: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #12: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #13: 0x0000000105c75875 gimp`gimp_action_emit_activate + 85
frame #14: 0x0000000105cd9d0a gimp`gimp_enum_action_activate + 122
frame #15: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #16: 0x00000001074abdd2 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1138
frame #17: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #18: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #19: 0x00000001064dce64 libgtk-quartz-2.0.0.dylib`_gtk_action_emit_activate + 68
frame #20: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #21: 0x00000001074abdd2 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1138
frame #22: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #23: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #24: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #25: 0x00000001064b63af libgtkmacintegration-gtk2.2.dylib`idle_call_activate + 79
frame #26: 0x000000010691b82d libgdk-quartz-2.0.0.dylib`gdk_threads_dispatch + 77
frame #27: 0x000000010753d376 libglib-2.0.0.dylib`g_main_context_dispatch + 326
frame #28: 0x000000010753d722 libglib-2.0.0.dylib`g_main_context_iterate + 514
frame #29: 0x000000010753da4f libglib-2.0.0.dylib`g_main_loop_run + 191
frame #30: 0x0000000105b31970 gimp`app_run + 1056
frame #31: 0x0000000105b34747 gimp`main + 1271
frame #32: 0x00007fff5fb5c3d5 libdyld.dylib`start + 1
frame #33: 0x00007fff5fb5c3d5 libdyld.dylib`start + 1
thread #2, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #3, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #4, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #5, name = 'gmain'
frame #0: 0x00007fff5fc9936a libsystem_kernel.dylib`poll + 10
frame #1: 0x000000010753d6c6 libglib-2.0.0.dylib`g_main_context_iterate + 422
frame #2: 0x000000010753f5cd libglib-2.0.0.dylib`glib_worker_main + 141
frame #3: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #4: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #5: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #6: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #6, name = 'async'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000105e19f87 gimp`gimp_parallel_run_async_thread_func(GimpParallelRunAsyncThread*) + 391
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #7
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x000000010695aced libgdk-quartz-2.0.0.dylib`select_thread_func + 61
frame #3: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #4: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #5: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #8, name = 'com.apple.NSEventThread'
frame #0: 0x00007fff5fc9121a libsystem_kernel.dylib`mach_msg_trap + 10
frame #1: 0x00007fff5fc91768 libsystem_kernel.dylib`mach_msg + 60
frame #2: 0x00007fff33b0c9e1 CoreFoundation`__CFRunLoopServiceMachPort + 327
frame #3: 0x00007fff33b0bf4e CoreFoundation`__CFRunLoopRun + 1619
frame #4: 0x00007fff33b0b6a9 CoreFoundation`CFRunLoopRunSpecific + 459
frame #5: 0x00007fff310fb4a2 AppKit`_NSEventThread + 175
frame #6: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #7: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #8: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #9, name = 'swap writer'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106f20342 libgegl-0.4.0.dylib`gegl_tile_backend_swap_writer_thread + 66
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #10
frame #0: 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
thread #11
frame #0: 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
frame #1: 0x00007fff5fd4f6e6 libsystem_pthread.dylib`_pthread_wqthread + 634
frame #2: 0x00007fff5fd4f3fd libsystem_pthread.dylib`start_wqthread + 13
(lldb) bt all
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00007fff5fc92eee libsystem_kernel.dylib`read + 10
frame #1: 0x0000000106a9ab57 libgimpbase-2.0.0.dylib`gimp_stack_trace_print + 1415
frame #2: 0x0000000105b32336 gimp`gimp_eek + 374
frame #3: 0x0000000105b321bb gimp`gimp_fatal_error + 27
frame #4: 0x0000000105b32e7d gimp`gimp_sigfatal_handler + 45
frame #5: 0x00007fff5fd47b5d libsystem_platform.dylib`_sigtramp + 29
frame #6: 0x00000001074b4896 libgobject-2.0.0.dylib`g_type_check_instance_cast + 38
frame #7: 0x0000000105b706c1 gimp`file_save_dialog_save_image + 193
frame #8: 0x0000000105b4cc26 gimp`file_save_cmd_callback + 614
frame #9: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #10: 0x00000001074ac134 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 2004
frame #11: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #12: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #13: 0x0000000105c75875 gimp`gimp_action_emit_activate + 85
frame #14: 0x0000000105cd9d0a gimp`gimp_enum_action_activate + 122
frame #15: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #16: 0x00000001074abdd2 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1138
frame #17: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #18: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #19: 0x00000001064dce64 libgtk-quartz-2.0.0.dylib`_gtk_action_emit_activate + 68
frame #20: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #21: 0x00000001074abdd2 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 1138
frame #22: 0x00000001074acfb0 libgobject-2.0.0.dylib`g_signal_emit_valist + 2240
frame #23: 0x00000001074ad7a2 libgobject-2.0.0.dylib`g_signal_emit + 130
frame #24: 0x00000001074951cc libgobject-2.0.0.dylib`g_closure_invoke + 204
frame #25: 0x00000001064b63af libgtkmacintegration-gtk2.2.dylib`idle_call_activate + 79
frame #26: 0x000000010691b82d libgdk-quartz-2.0.0.dylib`gdk_threads_dispatch + 77
frame #27: 0x000000010753d376 libglib-2.0.0.dylib`g_main_context_dispatch + 326
frame #28: 0x000000010753d722 libglib-2.0.0.dylib`g_main_context_iterate + 514
frame #29: 0x000000010753da4f libglib-2.0.0.dylib`g_main_loop_run + 191
frame #30: 0x0000000105b31970 gimp`app_run + 1056
frame #31: 0x0000000105b34747 gimp`main + 1271
frame #32: 0x00007fff5fb5c3d5 libdyld.dylib`start + 1
frame #33: 0x00007fff5fb5c3d5 libdyld.dylib`start + 1
thread #2, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #3, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #4, name = 'worker'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106ee01c3 libgegl-0.4.0.dylib`gegl_parallel_distribute_thread_func + 147
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #5, name = 'gmain'
frame #0: 0x00007fff5fc9936a libsystem_kernel.dylib`poll + 10
frame #1: 0x000000010753d6c6 libglib-2.0.0.dylib`g_main_context_iterate + 422
frame #2: 0x000000010753f5cd libglib-2.0.0.dylib`glib_worker_main + 141
frame #3: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #4: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #5: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #6: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #6, name = 'async'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000105e19f87 gimp`gimp_parallel_run_async_thread_func(GimpParallelRunAsyncThread*) + 391
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #7
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x000000010695aced libgdk-quartz-2.0.0.dylib`select_thread_func + 61
frame #3: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #4: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #5: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #8, name = 'com.apple.NSEventThread'
frame #0: 0x00007fff5fc9121a libsystem_kernel.dylib`mach_msg_trap + 10
frame #1: 0x00007fff5fc91768 libsystem_kernel.dylib`mach_msg + 60
frame #2: 0x00007fff33b0c9e1 CoreFoundation`__CFRunLoopServiceMachPort + 327
frame #3: 0x00007fff33b0bf4e CoreFoundation`__CFRunLoopRun + 1619
frame #4: 0x00007fff33b0b6a9 CoreFoundation`CFRunLoopRunSpecific + 459
frame #5: 0x00007fff310fb4a2 AppKit`_NSEventThread + 175
frame #6: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #7: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #8: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #9, name = 'swap writer'
frame #0: 0x00007fff5fc94866 libsystem_kernel.dylib`__psynch_cvwait + 10
frame #1: 0x00007fff5fd5356e libsystem_pthread.dylib`_pthread_cond_wait + 722
frame #2: 0x00000001075950af libglib-2.0.0.dylib`g_cond_wait + 47
frame #3: 0x0000000106f20342 libgegl-0.4.0.dylib`gegl_tile_backend_swap_writer_thread + 66
frame #4: 0x000000010756b3a2 libglib-2.0.0.dylib`g_thread_proxy + 66
frame #5: 0x00007fff5fd502eb libsystem_pthread.dylib`_pthread_body + 126
frame #6: 0x00007fff5fd53249 libsystem_pthread.dylib`_pthread_start + 66
frame #7: 0x00007fff5fd4f40d libsystem_pthread.dylib`thread_start + 13
thread #10
frame #0: 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
thread #11
frame #0: 0x00007fff5fc92bfa libsystem_kernel.dylib`__workq_kernreturn + 10
frame #1: 0x00007fff5fd4f6e6 libsystem_pthread.dylib`_pthread_wqthread + 634
frame #2: 0x00007fff5fd4f3fd libsystem_pthread.dylib`start_wqthread + 13