16:46 ~ $ sudo gdb $(which python3) 9440
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Reading symbols from /usr/bin/python3...(no debugging symbols found)...done.
Attaching to program: /usr/bin/python3, process 9440
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007f4c02ccbf19 in syscall () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007f4c02ccbf19 in syscall () from /usr/lib/libc.so.6
#1  0x00007f4bfd3017bc in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f4b1258fc9e in ?? () from /usr/lib/libgstadaptivedemux-1.0.so.0
#3  0x00007f4b1964633d in ?? () from /usr/lib/gstreamer-1.0/libgsthls.so
#4  0x00007f4bf173e1be in gst_element_change_state ()
   from /usr/lib/libgstreamer-1.0.so.0
#5  0x00007f4bf173e92f in ?? () from /usr/lib/libgstreamer-1.0.so.0
#6  0x00007f4bf171d25d in ?? () from /usr/lib/libgstreamer-1.0.so.0
#7  0x00007f4b4da1ada8 in ?? () from /usr/lib/gstreamer-1.0/libgstplayback.so
#8  0x00007f4bf173e1be in gst_element_change_state ()
   from /usr/lib/libgstreamer-1.0.so.0
#9  0x00007f4bf173e92f in ?? () from /usr/lib/libgstreamer-1.0.so.0
#10 0x00007f4bf171d25d in ?? () from /usr/lib/libgstreamer-1.0.so.0
#11 0x00007f4b4da25906 in ?? () from /usr/lib/gstreamer-1.0/libgstplayback.so
#12 0x00007f4bf173e1be in gst_element_change_state ()
   from /usr/lib/libgstreamer-1.0.so.0
#13 0x00007f4bf173e92f in ?? () from /usr/lib/libgstreamer-1.0.so.0
#14 0x00007f4bf171d25d in ?? () from /usr/lib/libgstreamer-1.0.so.0
#15 0x00007f4b4da30f3f in ?? () from /usr/lib/gstreamer-1.0/libgstplayback.so
#16 0x00007f4bf173e1be in gst_element_change_state ()
   from /usr/lib/libgstreamer-1.0.so.0
#17 0x00007f4bf173e92f in ?? () from /usr/lib/libgstreamer-1.0.so.0
#18 0x00007f4bf35edfc1 in ?? () from /usr/lib/libQt5WebKit.so.5
#19 0x00007f4bf35ee139 in ?? () from /usr/lib/libQt5WebKit.so.5
#20 0x00007f4bf35e9256 in ?? () from /usr/lib/libQt5WebKit.so.5
#21 0x00007f4bf35e92b9 in ?? () from /usr/lib/libQt5WebKit.so.5
#22 0x00007f4bf3f28e9d in ?? () from /usr/lib/libQt5WebKit.so.5
#23 0x00007f4bf3f29bfe in ?? () from /usr/lib/libQt5WebKit.so.5
#24 0x00007f4bf3f29e30 in ?? () from /usr/lib/libQt5WebKit.so.5
#25 0x00007f4bf41f2b74 in ?? () from /usr/lib/libQt5WebKit.so.5
#26 0x00007f4bf32a89df in ?? () from /usr/lib/libQt5WebKit.so.5
#27 0x00007f4bf3ee7417 in ?? () from /usr/lib/libQt5WebKit.so.5
#28 0x00007f4bf4234ae8 in ?? () from /usr/lib/libQt5WebKit.so.5
#29 0x00007f4bf4266ca9 in ?? () from /usr/lib/libQt5WebKit.so.5
#30 0x00007f4bf380ab7d in ?? () from /usr/lib/libQt5WebKit.so.5
#31 0x00007f4ba25630e5 in ?? ()
#32 0xffff000000000002 in ?? ()
#33 0x00007f4bf453a4fb in ?? () from /usr/lib/libQt5WebKit.so.5
#34 0x00007f4b0adb6a70 in ?? ()
#35 0x00007f4bf43d5d61 in JSC::Heap::reportExtraMemoryCostSlowCase(unsigned long)
    () from /usr/lib/libQt5WebKit.so.5
#36 0x00007f4bf45f5978 in ?? () from /usr/lib/libQt5WebKit.so.5
#37 0x00007f4bf44c0201 in ?? () from /usr/lib/libQt5WebKit.so.5
#38 0x00007f4bf45d4438 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) ()
   from /usr/lib/libQt5WebKit.so.5
#39 0x00007f4bf4618647 in ?? () from /usr/lib/libQt5WebKit.so.5