[Bug 768137] Reproducible segfault with h264

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Jun 28 13:53:40 UTC 2016 

https://bugzilla.gnome.org/show_bug.cgi?id=768137

--- Comment #4 from David Rajchenbach-Teller (please use "needinfo") <dteller at mozilla.com> ---
(lldb) bt all
* thread #1: tid = 0x3961a6, 0x00007fff94ce1f72
libsystem_kernel.dylib`mach_msg_trap + 10, queue = 'com.apple.main-thread',
stop reason = signal SIGSTOP
  * frame #0: 0x00007fff94ce1f72 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff94ce13b3 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x00007fff986c21c4 CoreFoundation`__CFRunLoopServiceMachPort +
212
    frame #3: 0x00007fff986c168c CoreFoundation`__CFRunLoopRun + 1356
    frame #4: 0x00007fff986c0ed8 CoreFoundation`CFRunLoopRunSpecific + 296
    frame #5: 0x00007fff8b1d6935 HIToolbox`RunCurrentEventLoopInMode + 235
    frame #6: 0x00007fff8b1d676f HIToolbox`ReceiveNextEventCommon + 432
    frame #7: 0x00007fff8b1d65af
HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71
    frame #8: 0x00007fff97124df6 AppKit`_DPSNextEvent + 1067
    frame #9: 0x00007fff97124226 AppKit`-[NSApplication
_nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
    frame #10: 0x00000001102ed161
libgstgl-1.0.0.dylib`gst_gl_display_cocoa_nsapp_iteration + 204
    frame #11: 0x000000010ba4cc8e libglib-2.0.0.dylib`g_timeout_dispatch + 23
    frame #12: 0x000000010ba4f7ae libglib-2.0.0.dylib`g_main_context_dispatch +
276
    frame #13: 0x000000010ba4fa98 libglib-2.0.0.dylib`g_main_context_iterate +
413
    frame #14: 0x000000010ba4fcee libglib-2.0.0.dylib`g_main_loop_run + 207
    frame #15: 0x000000010b8a08ee libgstreamer-1.0.0.dylib`gst_bus_poll + 286
    frame #16: 0x000000010b87f20a gst-launch-1.0`event_loop + 3271
    frame #17: 0x000000010b87df96 gst-launch-1.0`main + 2010
    frame #18: 0x00007fff98ab25ad libdyld.dylib`start + 1

  thread #2: tid = 0x3961a9, 0x00007fff94ce8efa
libsystem_kernel.dylib`kevent_qos + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x00007fff94ce8efa libsystem_kernel.dylib`kevent_qos + 10
    frame #1: 0x00007fff8683f165 libdispatch.dylib`_dispatch_mgr_invoke + 216
    frame #2: 0x00007fff8683edcd libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #3: tid = 0x3961ab, 0x00007fff94ce85e2
libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff94ce85e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff957eb578 libsystem_pthread.dylib`_pthread_wqthread +
1283
    frame #2: 0x00007fff957e9341 libsystem_pthread.dylib`start_wqthread + 13

  thread #4: tid = 0x3961ae, 0x00007fff94ce807a libsystem_kernel.dylib`__select
+ 10, name = 'gmain'
    frame #0: 0x00007fff94ce807a libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000010ba5af33 libglib-2.0.0.dylib`g_poll + 399
    frame #2: 0x000000010ba4fa41 libglib-2.0.0.dylib`g_main_context_iterate +
326
    frame #3: 0x000000010ba4faf0 libglib-2.0.0.dylib`g_main_context_iteration +
55
    frame #4: 0x000000010ba50bd1 libglib-2.0.0.dylib`glib_worker_main + 53
    frame #5: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #6: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #7: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #8: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #5: tid = 0x3961af, 0x00007fff94ce7db6
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'pool'
    frame #0: 0x00007fff94ce7db6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff957ec75e libsystem_pthread.dylib`_pthread_cond_wait +
821
    frame #2: 0x000000010ba8a70f libglib-2.0.0.dylib`g_cond_wait_until + 129
    frame #3: 0x000000010ba29281
libglib-2.0.0.dylib`g_async_queue_pop_intern_unlocked + 89
    frame #4: 0x000000010ba29400 libglib-2.0.0.dylib`g_async_queue_timeout_pop
+ 46
    frame #5: 0x000000010ba70fdb libglib-2.0.0.dylib`g_thread_pool_thread_proxy
+ 367
    frame #6: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #7: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #6: tid = 0x3961b4, 0x00007fff94ce7db6
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'source:src'
    frame #0: 0x00007fff94ce7db6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff957ec728 libsystem_pthread.dylib`_pthread_cond_wait +
767
    frame #2: 0x000000010ba8a577 libglib-2.0.0.dylib`g_cond_wait + 46
    frame #3: 0x000000010ce5b5dc
libgstcoreelements.so`gst_queue2_chain_buffer_or_buffer_list + 958
    frame #4: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #5: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #6: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #7: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #8: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #9: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #10: 0x000000010c8ffc6f libgstbase-1.0.0.dylib`gst_base_src_loop +
2195
    frame #11: 0x000000010b8fa6f4 libgstreamer-1.0.0.dylib`gst_task_func + 339
    frame #12: 0x000000010ba70e91
libglib-2.0.0.dylib`g_thread_pool_thread_proxy + 37
    frame #13: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #14: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #15: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #16: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #7: tid = 0x3961b5, 0x00007fff94ce7db6
libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'queue2-0:src'
    frame #0: 0x00007fff94ce7db6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff957ec728 libsystem_pthread.dylib`_pthread_cond_wait +
767
    frame #2: 0x000000010ba8a577 libglib-2.0.0.dylib`g_cond_wait + 46
    frame #3: 0x00000001102e1705
libgstgl-1.0.0.dylib`gst_gl_window_default_send_message + 106
    frame #4: 0x00000001102cb0b5 libgstgl-1.0.0.dylib`gst_gl_context_thread_add
+ 203
    frame #5: 0x00000001102ccc5c libgstgl-1.0.0.dylib`_mem_free + 43
    frame #6: 0x000000010b8c5ebe libgstreamer-1.0.0.dylib`_gst_memory_free + 69
    frame #7: 0x000000010b89cbeb libgstreamer-1.0.0.dylib`_gst_buffer_free +
145
    frame #8: 0x000000010c8ee307
libgstbase-1.0.0.dylib`gst_base_sink_set_last_buffer_unlocked + 125
    frame #9: 0x000000010c8efd02
libgstbase-1.0.0.dylib`gst_base_sink_set_last_buffer + 58
    frame #10: 0x000000010c8f5c1f
libgstbase-1.0.0.dylib`gst_base_sink_chain_unlocked + 2260
    frame #11: 0x000000010c8fa14f
libgstbase-1.0.0.dylib`gst_base_sink_chain_main + 68
    frame #12: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #13: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #14: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #15: 0x000000010b8bcab6
libgstreamer-1.0.0.dylib`gst_proxy_pad_chain_default + 103
    frame #16: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #17: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #18: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #19: 0x000000010b8bcab6
libgstreamer-1.0.0.dylib`gst_proxy_pad_chain_default + 103
    frame #20: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #21: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #22: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #23: 0x000000010c82553f
libgstvideo-1.0.0.dylib`gst_video_decoder_clip_and_push_buf + 276
    frame #24: 0x000000010c824dd6
libgstvideo-1.0.0.dylib`gst_video_decoder_finish_frame + 672
    frame #25: 0x0000000110299eca
libgstapplemedia.so`gst_vtdec_push_frames_if_needed + 270
    frame #26: 0x0000000110299694 libgstapplemedia.so`gst_vtdec_handle_frame +
92
    frame #27: 0x000000010c8268c8
libgstvideo-1.0.0.dylib`gst_video_decoder_decode_frame + 448
    frame #28: 0x000000010c82cc9c
libgstvideo-1.0.0.dylib`gst_video_decoder_chain_forward + 316
    frame #29: 0x000000010c82d3d3
libgstvideo-1.0.0.dylib`gst_video_decoder_chain + 482
    frame #30: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #31: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #32: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #33: 0x000000010c907a8a
libgstbase-1.0.0.dylib`gst_base_transform_chain + 652
    frame #34: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #35: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #36: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #37: 0x000000010c8e1b52
libgstbase-1.0.0.dylib`gst_base_parse_push_frame + 1504
    frame #38: 0x000000010c8e3885
libgstbase-1.0.0.dylib`gst_base_parse_finish_frame + 814
    frame #39: 0x00000001101ff017
libgstvideoparsersbad.so`gst_h264_parse_handle_frame + 3112
    frame #40: 0x000000010c8ea374
libgstbase-1.0.0.dylib`gst_base_parse_handle_buffer + 397
    frame #41: 0x000000010c8e97fe libgstbase-1.0.0.dylib`gst_base_parse_chain +
998
    frame #42: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #43: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #44: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #45: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #46: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #47: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #48: 0x000000010b8bcab6
libgstreamer-1.0.0.dylib`gst_proxy_pad_chain_default + 103
    frame #49: 0x000000010b8ce70a
libgstreamer-1.0.0.dylib`gst_pad_chain_data_unchecked + 205
    frame #50: 0x000000010b8cf085 libgstreamer-1.0.0.dylib`gst_pad_push_data +
204
    frame #51: 0x000000010b8ceed2 libgstreamer-1.0.0.dylib`gst_pad_push + 269
    frame #52: 0x000000010ce5e8c0 libgstcoreelements.so`gst_queue2_loop + 909
    frame #53: 0x000000010b8fa6f4 libgstreamer-1.0.0.dylib`gst_task_func + 339
    frame #54: 0x000000010ba70e91
libglib-2.0.0.dylib`g_thread_pool_thread_proxy + 37
    frame #55: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #56: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #57: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #58: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #8: tid = 0x3961b8, 0x00007fff94ce7db6
libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff94ce7db6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff957ec728 libsystem_pthread.dylib`_pthread_cond_wait +
767
    frame #2: 0x00007fff99877f33 AppleGVA`___lldb_unnamed_function913$$AppleGVA
+ 1079
    frame #3: 0x00007fff99877af5 AppleGVA`___lldb_unnamed_function912$$AppleGVA
+ 9
    frame #4: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #5: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #6: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #9: tid = 0x3961c7, 0x00007fff94ce85e2
libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff94ce85e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff957eb578 libsystem_pthread.dylib`_pthread_wqthread +
1283
    frame #2: 0x00007fff957e9341 libsystem_pthread.dylib`start_wqthread + 13

  thread #10: tid = 0x3961c9, 0x00007fff94ce807a
libsystem_kernel.dylib`__select + 10, name = 'gstglnavigation'
    frame #0: 0x00007fff94ce807a libsystem_kernel.dylib`__select + 10
    frame #1: 0x000000010ba5af33 libglib-2.0.0.dylib`g_poll + 399
    frame #2: 0x000000010ba4fa41 libglib-2.0.0.dylib`g_main_context_iterate +
326
    frame #3: 0x000000010ba4fcee libglib-2.0.0.dylib`g_main_loop_run + 207
    frame #4: 0x00000001102e0620
libgstgl-1.0.0.dylib`gst_gl_window_navigation_thread + 177
    frame #5: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #6: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #7: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #8: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

  thread #11: tid = 0x3961ca, 0x00007fff94ce810a
libsystem_kernel.dylib`__semwait_signal + 10, name = 'gstglcontext'
    frame #0: 0x00007fff94ce810a libsystem_kernel.dylib`__semwait_signal + 10
    frame #1: 0x00007fff93b0ad17 libsystem_c.dylib`nanosleep + 199
    frame #2: 0x000000010ba712aa libglib-2.0.0.dylib`g_usleep + 69
    frame #3: 0x000000010b87f47f gst-launch-1.0`fault_handler_sighandler + 218
    frame #4: 0x00007fff8acc552a libsystem_platform.dylib`_sigtramp + 26
    frame #5: 0x00007fff93695f85 IOSurface`IOSurfaceDecrementUseCount + 10
    frame #6: 0x000000011028b5dc libgstapplemedia.so`_io_surface_memory_destroy
+ 39
    frame #7: 0x00000001102ccd6e libgstgl-1.0.0.dylib`_destroy_gl_objects + 33
    frame #8: 0x00000001102e1910 libgstgl-1.0.0.dylib`_run_message_sync + 29
    frame #9: 0x00000001102e1945 libgstgl-1.0.0.dylib`_run_message_async + 23
    frame #10: 0x000000010ba4f7ae libglib-2.0.0.dylib`g_main_context_dispatch +
276
    frame #11: 0x000000010ba4fa98 libglib-2.0.0.dylib`g_main_context_iterate +
413
    frame #12: 0x000000010ba4fcee libglib-2.0.0.dylib`g_main_loop_run + 207
    frame #13: 0x00000001102ca0b2
libgstgl-1.0.0.dylib`gst_gl_context_create_thread + 585
    frame #14: 0x000000010ba701ed libglib-2.0.0.dylib`g_thread_proxy + 90
    frame #15: 0x00007fff957eb99d libsystem_pthread.dylib`_pthread_body + 131
    frame #16: 0x00007fff957eb91a libsystem_pthread.dylib`_pthread_start + 168
    frame #17: 0x00007fff957e9351 libsystem_pthread.dylib`thread_start + 13

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