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Description
Crash report
I have Kodi crashing when certain add-ons are enabled. I traced the error to _elementtree and repurposed a script from#90228 to reproduce the bug. Seebug.py.txt
Error messages
/opt/python-dbg/bin/python3 bug.py Fatal Python error: Segmentation faultCurrent thread 0x00007fd85f7fe640 (most recent call first): File "/home/plv/tmp/bug.py", line 18 in doIt File "/opt/python-dbg/lib/python3.10/threading.py", line 946 in run File "/opt/python-dbg/lib/python3.10/threading.py", line 1009 in _bootstrap_inner File "/opt/python-dbg/lib/python3.10/threading.py", line 966 in _bootstrapThread 0x00007fd8654d2640 (most recent call first): File "/home/plv/tmp/bug.py", line 18 in doIt File "/opt/python-dbg/lib/python3.10/threading.py", line 946 in run File "/opt/python-dbg/lib/python3.10/threading.py", line 1009 in _bootstrap_inner File "/opt/python-dbg/lib/python3.10/threading.py", line 966 in _bootstrapThread 0x00007fd865f20740 (most recent call first): File "/opt/python-dbg/lib/python3.10/threading.py", line 1109 in _wait_for_tstate_lock File "/opt/python-dbg/lib/python3.10/threading.py", line 1089 in join File "/home/plv/tmp/bug.py", line 25 in func File "/home/plv/tmp/bug.py", line 27 in <module>Extension modules: _testcapi (total: 1)Segmentation fault (core dumped)Reading symbols from /opt/python-dbg/bin/python3.10...[New LWP 3737917][New LWP 3737913][New LWP 3737914][Thread debugging using libthread_db enabled]Using host libthread_db library "/usr/lib/libthread_db.so.1".Core was generated by `/opt/python-dbg/bin/python3 bug.py'.Program terminated with signal SIGSEGV, Segmentation fault.#0 0x00007fd865da234c in __pthread_kill_implementation () from /usr/lib/libc.so.6[Current thread is 1 (Thread 0x7fd85f7fe640 (LWP 3737917))](gdb) bt#0 0x00007fd865da234c in __pthread_kill_implementation () from /usr/lib/libc.so.6#1 0x00007fd865d554b8 in raise () from /usr/lib/libc.so.6#2 <signal handler called>#3 0x00007fd8640c4c8a in expat_parse (self=0x7fd85efb45f0, data=0x7fd84c0c39e0 "<data />", data_len=8, final=0) at /home/plv/Documents/projects/aur/python-dbg/src/Python-3.10.2/Modules/_elementtree.c:3835#4 0x00007fd8640c5690 in _elementtree_XMLParser__parse_whole (self=0x7fd85efb45f0, file=<optimized out>) at /home/plv/Documents/projects/aur/python-dbg/src/Python-3.10.2/Modules/_elementtree.c:3994#5 0x00007fd8660bfbdf in method_vectorcall_O (func=func@entry=0x7fd85eef49b0, args=args@entry=0x7fd8642061e0, nargsf=<optimized out>, kwnames=0x0) at Objects/descrobject.c:460#6 0x00007fd8660b544b in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:114#7 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#8 call_function (tstate=0x7fd84c01cc00, trace_info=<optimized out>, pp_stack=0x7fd85f7fc940, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#9 0x00007fd8660ab172 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd864206050, throwflag=<optimized out>) at Python/ceval.c:4198#10 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd864206050, tstate=0x7fd84c01cc00) at ./Include/internal/pycore_ceval.h:46#11 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=3, kwnames=<optimized out>) at Python/ceval.c:5065#12 0x00007fd8660b544b in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:114#13 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#14 call_function (tstate=0x7fd84c01cc00, trace_info=<optimized out>, pp_stack=0x7fd85f7fcc10, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#15 0x00007fd8660ab172 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd864124240, throwflag=<optimized out>) at Python/ceval.c:4198#16 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd864124240, tstate=0x7fd84c01cc00) at ./Include/internal/pycore_ceval.h:46#17 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kwnames=<optimized out>) at Python/ceval.c:5065#18 0x00007fd8660b544b in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:114#19 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#20 call_function (tstate=0x7fd84c01cc00, trace_info=<optimized out>, pp_stack=0x7fd85f7fcee0, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#21 0x00007fd8660b12a6 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd864356af0, throwflag=<optimized out>) at Python/ceval.c:4181#22 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd864356af0, tstate=0x7fd84c01cc00) at ./Include/internal/pycore_ceval.h:46#23 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=0, kwnames=<optimized out>) at Python/ceval.c:5065#24 0x00007fd8661269b4 in PyEval_EvalCode (co=0x7fd864240520, globals=0x7fd86422f7d0, locals=<optimized out>) at Python/ceval.c:1134#25 0x00007fd866140884 in run_eval_code_obj (tstate=0x7fd84c01cc00, co=0x7fd864240520, globals=0x7fd86422f7d0, locals=0x7fd86422f7d0) at Python/pythonrun.c:1291#26 0x00007fd8661382d6 in run_mod (mod=<optimized out>, filename=<optimized out>, globals=0x7fd86422f7d0, locals=0x7fd86422f7d0, flags=<optimized out>, arena=<optimized out>) at Python/pythonrun.c:1312#27 0x00007fd86612c561 in PyRun_StringFlags (str=<optimized out>, start=257, globals=0x7fd86422f7d0, locals=0x7fd86422f7d0, flags=0x7fd85f7fd220) at Python/pythonrun.c:1183#28 0x00007fd86612c480 in PyRun_SimpleStringFlags (command=0x7fd8656802b0 "\nimport xml.etree.ElementTree as ETree\nETree.parse(\"data.xml\")\n", flags=flags@entry=0x7fd85f7fd220) at Python/pythonrun.c:503#29 0x00007fd8655e0120 in run_in_subinterp (self=<optimized out>, args=<optimized out>) at /home/plv/Documents/projects/aur/python-dbg/src/Python-3.10.2/Modules/_testcapimodule.c:3639#30 0x00007fd8660b9438 in cfunction_call (func=0x7fd8656e9c10, args=<optimized out>, kwargs=<optimized out>) at Objects/methodobject.c:552#31 0x00007fd8660b6468 in _PyObject_MakeTpCall (tstate=0x556284058d10, callable=0x7fd8656e9c10, args=<optimized out>, nargs=<optimized out>, keywords=<optimized out>) at Objects/call.c:215#32 0x00007fd8660b55d9 in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:112#33 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#34 call_function (tstate=0x556284058d10, trace_info=<optimized out>, pp_stack=0x7fd85f7fd3c0, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#35 0x00007fd8660b12a6 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd865563b60, throwflag=<optimized out>) at Python/ceval.c:4181#36 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd865563b60, tstate=0x556284058d10) at ./Include/internal/pycore_ceval.h:46#37 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=0, kwnames=<optimized out>) at Python/ceval.c:5065#38 0x00007fd8660ae50a in PyObject_Call (kwargs=0x7fd864c33650, args=0x7fd865700250, callable=0x7fd8657d4940) at Objects/call.c:317--Type <RET> for more, q to quit, c to continue without paging--c#39 do_call_core (kwdict=0x7fd864c33650, callargs=0x7fd865700250, func=0x7fd8657d4940, trace_info=0x7fd85f7fd660, tstate=<optimized out>) at Python/ceval.c:5919#40 _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd86552abd0, throwflag=<optimized out>) at Python/ceval.c:4277#41 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd86552abd0, tstate=0x556284058d10) at ./Include/internal/pycore_ceval.h:46#42 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kwnames=<optimized out>) at Python/ceval.c:5065#43 0x00007fd8660b544b in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:114#44 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#45 call_function (tstate=0x556284058d10, trace_info=<optimized out>, pp_stack=0x7fd85f7fd900, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#46 0x00007fd8660ab172 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd84c000ba0, throwflag=<optimized out>) at Python/ceval.c:4198#47 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd84c000ba0, tstate=0x556284058d10) at ./Include/internal/pycore_ceval.h:46#48 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kwnames=<optimized out>) at Python/ceval.c:5065#49 0x00007fd8660b544b in _PyObject_VectorcallTstate (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>, tstate=<optimized out>) at ./Include/cpython/abstract.h:114#50 PyObject_Vectorcall (kwnames=<optimized out>, nargsf=<optimized out>, args=<optimized out>, callable=<optimized out>) at ./Include/cpython/abstract.h:123#51 call_function (tstate=0x556284058d10, trace_info=<optimized out>, pp_stack=0x7fd85f7fdbd0, oparg=<optimized out>, kwnames=<optimized out>) at Python/ceval.c:5867#52 0x00007fd8660ab172 in _PyEval_EvalFrameDefault (tstate=<optimized out>, f=0x7fd86552aa00, throwflag=<optimized out>) at Python/ceval.c:4198#53 0x00007fd8660a980b in _PyEval_EvalFrame (throwflag=0, f=0x7fd86552aa00, tstate=0x556284058d10) at ./Include/internal/pycore_ceval.h:46#54 _PyEval_Vector (tstate=<optimized out>, con=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kwnames=<optimized out>) at Python/ceval.c:5065#55 0x00007fd8660c0e2c in _PyObject_VectorcallTstate (kwnames=0x0, nargsf=1, args=0x7fd85f7fddb8, callable=0x7fd86555f540, tstate=0x556284058d10) at ./Include/cpython/abstract.h:114#56 method_vectorcall (method=<optimized out>, args=<optimized out>, nargsf=<optimized out>, kwnames=<optimized out>) at Objects/classobject.c:61#57 0x00007fd86618ac9a in thread_run (boot_raw=0x7fd864bf5ee0) at ./Modules/_threadmodule.c:1090#58 0x00007fd866165f18 in pythread_wrapper (arg=<optimized out>) at Python/thread_pthread.h:248#59 0x00007fd865da05c2 in start_thread () from /usr/lib/libc.so.6#60 0x00007fd865e25584 in clone () from /usr/lib/libc.so.6Your environment
- CPython versions tested on:
python --with-pydebug 3.10.2 - Operating system and architecture:
Linux 5.17.1-zen1-1-zen #1 ZEN SMP PREEMPT Mon, 28 Mar 2022 21:56:46 +0000 x86_64 GNU/Linux