#4387: [with patch, needs review] Fix memory leak in si2sa_ZZ in
sage/libs/singular/singular.pyx
----------------------+-----------------------------------------------------
Reporter: mabshoff | Owner: mabshoff
Type: defect | Status: new
Priority: major | Milestone: sage-3.2
Component: memleak | Keywords:
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We currently leak on mpz in si2sa_ZZ:
{{{
==696== 104 bytes in 13 blocks are definitely lost in loss record 11,644
of 19,410
==696== at 0x4A1BE1B: malloc (vg_replace_malloc.c:207)
==696== by 0x6760947: __gmpz_init (in /scratch/mabshoff/release-
cycle/sage-3.1.3.final/local/lib/libgmp.so.3.4.1)
==696== by 0x15E05AAE:
__pyx_f_4sage_4libs_8singular_8singular_10Conversion_si2sa_ZZ
(singular.cpp:2513)
==696== by 0x15E07C85:
__pyx_f_4sage_4libs_8singular_8singular_10Conversion_si2sa
(singular.cpp:4803)
==696== by 0x1572034D:
__pyx_pf_4sage_5rings_10polynomial_28multi_polynomial_libsingular_23MPolynomial_libsingular_coefficients(_object*,
_object*) (multi_polynomial_libsingular.cpp:25706)
==696== by 0x415832: PyObject_Call (abstract.c:1861)
==696== by 0x15735A21:
__pyx_pf_4sage_5rings_10polynomial_28multi_polynomial_libsingular_23MPolynomial_libsingular_gcd(_object*,
_object*, _object*) (multi_polynomial_libsingular.cpp:23546)
}}}
The attached patch fixes that.
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4387>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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