[NumPy-Tickets] [NumPy] #1416: functions returned by frompyfunc() cause segmentation faults

[NumPy Trac]

#1416: functions returned by frompyfunc() cause segmentation faults
-----------------------+----------------------------------------------------
 Reporter:  ernest_ac  |       Owner:  somebody
     Type:  defect     |      Status:  new     
 Priority:  normal     |   Milestone:          
Component:  Other      |     Version:          
 Keywords:             |  
-----------------------+----------------------------------------------------

Comment(by nils):

 Confirmed.

 {{{>>> numpy.__version__
 '2.0.0.dev8269'
 }}}

 {{{
 Python 2.6.2 (r262:71600, Oct 24 2009, 03:15:21)
 [GCC 4.4.1 [gcc-4_4-branch revision 150839]] on linux2
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import numpy as np
 >>> f = np.frompyfunc(lambda x: x, 1, 0)
 >>> f([1,2,3])

 Program received signal SIGSEGV, Segmentation fault.
 0x00007ffff60cc15e in PyUFunc_On_Om (args=<value optimized out>,
 dimensions=<value optimized out>,
     steps=0xae99f0, func=<value optimized out>) at
 numpy/core/src/umath/loops.c.src:434
 434                 Py_XDECREF(*op);
 (gdb) bt
 #0  0x00007ffff60cc15e in PyUFunc_On_Om (args=<value optimized out>,
 dimensions=<value optimized out>,
     steps=0xae99f0, func=<value optimized out>) at
 numpy/core/src/umath/loops.c.src:434
 #1  0x00007ffff60ce819 in PyUFunc_GenericFunction (self=<value optimized
 out>,
     args=<value optimized out>, kwds=0x0, mps=<value optimized out>)
     at numpy/core/src/umath/ufunc_object.c:2070
 #2  0x00007ffff60cf3c3 in ufunc_generic_call (self=0x8a9000, args=<value
 optimized out>, kwds=0x60b5f8)
     at numpy/core/src/umath/ufunc_object.c:3533
 #3  0x00007ffff7a9de32 in PyObject_Call (func=0x8a9000,
 arg=0x7ffff7ed5950, kw=0x60b5f8)
     at Objects/abstract.c:2492
 #4  0x00007ffff7b1aab4 in do_call (nk=<value optimized out>, na=1,
 pp_stack=<value optimized out>,
     func=<value optimized out>) at Python/ceval.c:3917
 #5  call_function (nk=<value optimized out>, na=1, pp_stack=<value
 optimized out>,
     func=<value optimized out>) at Python/ceval.c:3729
 #6  PyEval_EvalFrameEx (nk=<value optimized out>, na=1, pp_stack=<value
 optimized out>,
     func=<value optimized out>) at Python/ceval.c:2389
 #7  0x00007ffff7b1f735 in PyEval_EvalCodeEx (co=0x7ffff7ed3990,
 globals=<value optimized out>,
     locals=<value optimized out>, args=0x0, argcount=-134504368,
 kws=<value optimized out>, kwcount=0,
     defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2968
 #8  0x00007ffff7b18642 in PyEval_EvalCode (co=0x7ffff7ed5910,
 globals=0x7ffff7ed5950, locals=0x60b5f8)
     at Python/ceval.c:522
 #9  0x00007ffff7b37971 in run_mod (mod=<value optimized out>,
 filename=<value optimized out>,
     globals=0x62d750, locals=0x62d750, flags=<value optimized out>,
 arena=<value optimized out>)
     at Python/pythonrun.c:1335
 #10 0x00007ffff7b39e2c in PyRun_InteractiveOneFlags (fp=<value optimized
 out>,
     filename=0x7ffff7b6fe1f "<stdin>", flags=0x7fffffffd8b0) at
 Python/pythonrun.c:840
 #11 0x00007ffff7b39f60 in PyRun_InteractiveLoopFlags (fp=0x7ffff71d86a0,
     filename=0x7ffff7b6fe1f "<stdin>", flags=0x7fffffffd8b0) at
 Python/pythonrun.c:760
 #12 0x00007ffff7b38604 in PyRun_AnyFileExFlags (fp=0x7ffff71d86a0,
 filename=0x7ffff7b6fe1f "<stdin>",
     closeit=0, flags=0x7fffffffd8b0) at Python/pythonrun.c:729
 #13 0x00007ffff7b42e6e in Py_Main (argc=<value optimized out>, argv=<value
 optimized out>)
     at Modules/main.c:599
 #14 0x00007ffff6ea1a7d in __libc_start_main () from /lib64/libc.so.6
 #15 0x00000000004006e9 in _start () at ../sysdeps/x86_64/elf/start.S:113
 }}}

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Ticket URL: <http://projects.scipy.org/numpy/ticket/1416#comment:1>
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