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SEGFAULT calling lua #84

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#192
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SEGFAULT calling lua#84
#192
@mickeprag

Description

@mickeprag
mickeprag
opened on Apr 20, 2017

I am getting segfaults from time to time. It seems to happen when python objects are wrapped and sent to the lua runtime.
Lupa version 1.4
Lua: tested version 5.1.5, 5.2.3, and luajit 2.0.4

Backtraces of the crash:
Lua:

#0  0x00007f639189c261 in lua_type () from /usr/lib64/liblua5.2.so.0
#1  0x00007f6391ae1b21 in __pyx_f_4lupa_5_lupa_lua_object_repr ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#2  0x00007f6391adf4ac in __pyx_pf_4lupa_5_lupa_10_LuaObject_14__str__ ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#3  0x00007f6391ade33d in __pyx_pw_4lupa_5_lupa_10_LuaObject_15__str__ ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#4  0x00007f63994c974a in _PyObject_Str () from /usr/lib64/libpython2.7.so.1.0
#5  0x00007f63994dad98 in PyString_Format () from /usr/lib64/libpython2.7.so.1.0
#6  0x00007f639952735f in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#7  0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#8  0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#9  0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#10 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#11 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#13 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#14 0x00007f6399529ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#15 0x00007f63994b30cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#16 0x00007f639948d333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#17 0x00007f639952365e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#18 0x00007f6399529ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#19 0x00007f63994b30cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#20 0x00007f639948d333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#21 0x00007f639952365e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#22 0x00007f6399529ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#23 0x00007f63995264ae in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#24 0x00007f6399529ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#25 0x00007f63994b30cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#26 0x00007f639948d333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#27 0x00007f639952365e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#28 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#29 0x00007f63995265cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#30 0x00007f6399529ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#31 0x00007f63994b2fec in ?? () from /usr/lib64/libpython2.7.so.1.0
#32 0x00007f639948d333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#33 0x00007f639949c275 in ?? () from /usr/lib64/libpython2.7.so.1.0
#34 0x00007f639948d333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#35 0x00007f639951fd77 in PyEval_CallObjectWithKeywords () from /usr/lib64/libpython2.7.so.1.0
#36 0x00007f6399558ab2 in ?? () from /usr/lib64/libpython2.7.so.1.0
#37 0x00007f639922c444 in start_thread () from /lib64/libpthread.so.0
#38 0x00007f6398f735ed in clone () from /lib64/libc.so.6

Luajit:

#0  0x00007f555d8a3c78 in lua_rawgeti () from /usr/lib64/libluajit-5.1.so.2
#1  0x00007f555db13b3e in __pyx_f_4lupa_5_lupa_10_LuaObject_push_lua_object ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#2  0x00007f555db15736 in __pyx_pf_4lupa_5_lupa_10_LuaObject_14__str__ ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#3  0x00007f555db152f7 in __pyx_pw_4lupa_5_lupa_10_LuaObject_15__str__ ()
   from /home/micke/Documents/dev/telldus/tellstick-server/build/env/lib/python2.7/site-packages/lupa/_lupa.so
#4  0x00007f556550074a in _PyObject_Str () from /usr/lib64/libpython2.7.so.1.0
#5  0x00007f5565511d98 in PyString_Format () from /usr/lib64/libpython2.7.so.1.0
#6  0x00007f556555e35f in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#7  0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#8  0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#9  0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#10 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#11 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#13 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#14 0x00007f5565560ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#15 0x00007f55654ea0cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#16 0x00007f55654c4333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#17 0x00007f556555a65e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#18 0x00007f5565560ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#19 0x00007f55654ea0cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#20 0x00007f55654c4333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#21 0x00007f556555a65e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#22 0x00007f5565560ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#23 0x00007f556555d4ae in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#24 0x00007f5565560ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#25 0x00007f55654ea0cd in ?? () from /usr/lib64/libpython2.7.so.1.0
#26 0x00007f55654c4333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#27 0x00007f556555a65e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#28 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#29 0x00007f556555d5cb in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#30 0x00007f5565560ad0 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#31 0x00007f55654e9fec in ?? () from /usr/lib64/libpython2.7.so.1.0
#32 0x00007f55654c4333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#33 0x00007f55654d3275 in ?? () from /usr/lib64/libpython2.7.so.1.0
#34 0x00007f55654c4333 in PyObject_Call () from /usr/lib64/libpython2.7.so.1.0
#35 0x00007f5565556d77 in PyEval_CallObjectWithKeywords () from /usr/lib64/libpython2.7.so.1.0
#36 0x00007f556558fab2 in ?? () from /usr/lib64/libpython2.7.so.1.0
#37 0x00007f5565263444 in start_thread () from /lib64/libpthread.so.0
#38 0x00007f5564faa5ed in clone () from /lib64/libc.so.6

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