Ticket #3289 (closed defect: fixed)
linear_code -- segfaults on ubuntu linux
| Reported by: | was | Owned by: | rlm |
|---|---|---|---|
| Priority: | major | Milestone: | sage-3.0.2 |
| Component: | coding theory | Keywords: | |
| Cc: | Work issues: | ||
| Report Upstream: | Reviewers: | ||
| Authors: | Merged in: | ||
| Dependencies: | Stopgaps: |
Description
This might be related to #3288
This is on an ubuntu 32-bit linux box with 512MB RAM.
./sage -t --verbose devel/sage/sage/coding/linear_code.py
...
Trying:
for B in self_orthogonal_binary_codes(Integer(7),Integer(3)):###line 402:_sage_ >>> for B in self_orthogonal_binary_codes(7,3):
print B
Expecting:
Linear code of length 2, dimension 1 over Finite Field of size 2
Linear code of length 4, dimension 2 over Finite Field of size 2
Linear code of length 6, dimension 3 over Finite Field of size 2
Linear code of length 4, dimension 1 over Finite Field of size 2
Linear code of length 6, dimension 2 over Finite Field of size 2
Linear code of length 6, dimension 2 over Finite Field of size 2
Linear code of length 7, dimension 3 over Finite Field of size 2
Linear code of length 6, dimension 1 over Finite Field of size 2
*** glibc detected *** /home/was/build/sage-3.0.2.rc0/local/bin/python: free(): invalid next size (fast): 0x09d2a578 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7e297cd]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7e2ce30]
/home/was/build/sage-3.0.2.rc0/local/lib/python/site-packages/sage/coding/binary_code.so[0xb2b8672f]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0x66f9)[0x80c97c9]
/home/was/build/sage-3.0.2.rc0/local/bin/python[0x810f87d]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0xa1a)[0x80c3aea]
/home/was/build/sage-3.0.2.rc0/local/bin/python[0x810f87d]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0xa1a)[0x80c3aea]
/home/was/build/sage-3.0.2.rc0/local/bin/python[0x810f87d]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0xa1a)[0x80c3aea]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCodeEx+0x785)[0x80c9ff5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0x5c0b)[0x80c8cdb]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCodeEx+0x785)[0x80c9ff5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0x52f5)[0x80c83c5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCodeEx+0x785)[0x80c9ff5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0x52f5)[0x80c83c5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCodeEx+0x785)[0x80c9ff5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalFrameEx+0x52f5)[0x80c83c5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCodeEx+0x785)[0x80c9ff5]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyEval_EvalCode+0x57)[0x80ca067]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyRun_FileExFlags+0xf8)[0x80e9328]
/home/was/build/sage-3.0.2.rc0/local/bin/python(PyRun_SimpleFileExFlags+0x187)[0x80e95b7]
/home/was/build/sage-3.0.2.rc0/local/bin/python(Py_Main+0x9aa)[0x80592da]
/home/was/build/sage-3.0.2.rc0/local/bin/python(main+0x22)[0x8058822]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7dd7ebc]
/home/was/build/sage-3.0.2.rc0/local/bin/python[0x8058771]
======= Memory map: ========
08048000-0813e000 r-xp 00000000 08:01 444247 /home/was/build/sage-3.0.2.rc0/local/bin/python
0813e000-08163000 rwxp 000f5000 08:01 444247 /home/was/build/sage-3.0.2.rc0/local/bin/python
08163000-0a905000 rwxp 08163000 00:00 0 [heap]
b2800000-b2821000 rwxp b2800000 00:00 0
b2821000-b2900000 ---p b2821000 00:00 0
b2953000-b2b68000 rwxp b2953000 00:00 0
b2b68000-b2b9c000 r-xp 00000000 08:01 540553 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/coding/binary_code.so
b2b9c000-b2ba9000 rwxp 00033000 08:01 540553 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/coding/binary_code.so
b2ba9000-b2baa000 rwxp b2ba9000 00:00 0
b2baa000-b2bc0000 r-xp 00000000 08:01 540885 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/matrix/strassen.so
b2bc0000-b2bc2000 rwxp 00015000 08:01 540885 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/matrix/strassen.so
b2bc2000-b2bce000 r-xp 00000000 08:01 540912 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/matrix/action.so
b2bce000-b2bd0000 rwxp 0000c000 08:01 540912 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/matrix/action.so
b2bd0000-b2bd7000 r-xp 00000000 08:01 540923 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/ext/interactive_constructors_c.so
b2bd7000-b2bd9000 rwxp 00007000 08:01 540923 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/ext/interactive_constructors_c.so
b2bd9000-b2bee000 r-xp 00000000 08:01 540952 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/probability_distribution.so
b2bee000-b2bf0000 rwxp 00014000 08:01 540952 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/probability_distribution.so
b2bf0000-b2bf1000 rwxp b2bf0000 00:00 0
b2bf1000-b2c02000 r-xp 00000000 08:01 540949 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/ode.so
b2c02000-b2c05000 rwxp 00011000 08:01 540949 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/ode.so
b2c05000-b2c08000 r-xp 00000000 08:01 540953 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/gsl_array.so
b2c08000-b2c09000 rwxp 00002000 08:01 540953 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/gsl_array.so
b2c09000-b2c0f000 r-xp 00000000 08:01 540945 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/dwt.so
b2c0f000-b2c11000 rwxp 00005000 08:01 540945 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/dwt.so
b2c11000-b2c1b000 r-xp 00000000 08:01 540950 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/fft.so
b2c1b000-b2c1d000 rwxp 00009000 08:01 540950 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/gsl/fft.so
b2c1d000-b2c26000 r-xp 00000000 08:01 541024 /home/was/build/sage-3.0.2.rc0/devel/sage-main/build/sage/combinat/matrices/dancing_links.so
Change History
comment:2 Changed 5 years ago by mabshoff
Valgrind says:
==23674== Memcheck, a memory error detector. ==23674== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al. ==23674== Using LibVEX rev 1804, a library for dynamic binary translation. ==23674== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP. ==23674== Using valgrind-3.3.0, a dynamic binary instrumentation framework. ==23674== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al. ==23674== For more details, rerun with: -v ==23674== ==23674== My PID = 23674, parent PID = 23660. Prog and args are: ==23674== /scratch/mabshoff/release-cycle/sage-3.0.2.rc1/local/bin/python ==23674== /scratch/mabshoff/release-cycle/sage-3.0.2.rc1/tmp/.doctest_linear_code.py ==23674== --23674-- DWARF2 CFI reader: unhandled CFI instruction 0:10 --23674-- DWARF2 CFI reader: unhandled CFI instruction 0:10 ==23674== Conditional jump or move depends on uninitialised value(s) ==23674== at 0x235EE139: __pyx_f_4sage_6coding_11binary_code_20BinaryCodeClassifier_aut_gp_and_can_label (binary_code.c:22181) ==23674== by 0x235E4EA1: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier__aut_gp_and_can_label (binary_code.c:19523) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x48491B: PyEval_EvalFrameEx (ceval.c:3659) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== ==23674== Invalid write of size 4 ==23674== at 0x235CE5B1: __pyx_f_4sage_6coding_11binary_code_expand_to_ortho_basis (binary_code.c:5485) ==23674== by 0x235D8F8F: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:24336) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== Address 0x12b5d5dc is 0 bytes after a block of size 12 alloc'd ==23674== at 0x4A1BDEB: malloc (vg_replace_malloc.c:207) ==23674== by 0x235CE4C8: __pyx_f_4sage_6coding_11binary_code_expand_to_ortho_basis (binary_code.c:5186) ==23674== by 0x235D8F8F: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:24336) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== ==23674== Conditional jump or move depends on uninitialised value(s) ==23674== at 0x235EE139: __pyx_f_4sage_6coding_11binary_code_20BinaryCodeClassifier_aut_gp_and_can_label (binary_code.c:22181) ==23674== by 0x235E4EA1: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier__aut_gp_and_can_label (binary_code.c:19523) ==23674== by 0x415832: PyObject_Call (abstract.c:1861) ==23674== by 0x235D8FEE: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:24349) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Conditional jump or move depends on uninitialised value(s) ==23674== at 0x235EE139: __pyx_f_4sage_6coding_11binary_code_20BinaryCodeClassifier_aut_gp_and_can_label (binary_code.c:22181) ==23674== by 0x235E4EA1: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier__aut_gp_and_can_label (binary_code.c:19523) ==23674== by 0x415832: PyObject_Call (abstract.c:1861) ==23674== by 0x235DAF08: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:25146) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Invalid read of size 4 ==23674== at 0x235CB0AC: __pyx_f_4sage_6coding_11binary_code_create_array_word_perm (binary_code.c:3483) ==23674== by 0x235DB1DE: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4693) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== Address 0x12d5cc00 is 0 bytes after a block of size 16 alloc'd ==23674== at 0x4A1BDEB: malloc (vg_replace_malloc.c:207) ==23674== by 0x235DB138: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4624) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Invalid read of size 4 ==23674== at 0x235CB0BD: __pyx_f_4sage_6coding_11binary_code_create_array_word_perm (binary_code.c:3483) ==23674== by 0x235DB1DE: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4693) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== Address 0x12d5cc04 is 4 bytes after a block of size 16 alloc'd ==23674== at 0x4A1BDEB: malloc (vg_replace_malloc.c:207) ==23674== by 0x235DB138: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4624) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Invalid read of size 4 ==23674== at 0x235CB0D1: __pyx_f_4sage_6coding_11binary_code_create_array_word_perm (binary_code.c:3483) ==23674== by 0x235DB1DE: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4693) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== Address 0x12d5cc08 is 8 bytes after a block of size 16 alloc'd ==23674== at 0x4A1BDEB: malloc (vg_replace_malloc.c:207) ==23674== by 0x235DB138: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4624) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Invalid read of size 4 ==23674== at 0x235CB0E5: __pyx_f_4sage_6coding_11binary_code_create_array_word_perm (binary_code.c:3483) ==23674== by 0x235DB1DE: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4693) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== Address 0x12d5cc0c is 12 bytes after a block of size 16 alloc'd ==23674== at 0x4A1BDEB: malloc (vg_replace_malloc.c:207) ==23674== by 0x235DB138: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:4624) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x483F76: PyEval_EvalFrameEx (ceval.c:3669) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== Conditional jump or move depends on uninitialised value(s) ==23674== at 0x235EE139: __pyx_f_4sage_6coding_11binary_code_20BinaryCodeClassifier_aut_gp_and_can_label (binary_code.c:22181) ==23674== by 0x235E4EA1: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier__aut_gp_and_can_label (binary_code.c:19523) ==23674== by 0x415832: PyObject_Call (abstract.c:1861) ==23674== by 0x235DBD4E: __pyx_pf_4sage_6coding_11binary_code_20BinaryCodeClassifier_generate_children (binary_code.c:25635) ==23674== by 0x483E46: PyEval_EvalFrameEx (ceval.c:3573) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x4CD076: gen_send_ex (genobject.c:82) ==23674== by 0x47EFBC: PyEval_EvalFrameEx (ceval.c:2169) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== by 0x484AF1: PyEval_EvalFrameEx (ceval.c:494) ==23674== by 0x485DB1: PyEval_EvalCodeEx (ceval.c:2836) ==23674== ==23674== ERROR SUMMARY: 1415 errors from 9 contexts (suppressed: 559 from 2) ==23674== malloc/free: in use at exit: 36,525,652 bytes in 227,271 blocks. ==23674== malloc/free: 16,184,639 allocs, 15,957,368 frees, 2,452,463,805 bytes allocated. ==23674== For counts of detected errors, rerun with: -v ==23674== searching for pointers to 227,271 not-freed blocks. ==23674== checked 41,055,744 bytes. ==23674== ==23674== LEAK SUMMARY: ==23674== definitely lost: 245,231 bytes in 4,071 blocks. ==23674== possibly lost: 485,538 bytes in 1,282 blocks. ==23674== still reachable: 35,794,883 bytes in 221,918 blocks. ==23674== suppressed: 0 bytes in 0 blocks. ==23674== Rerun with --leak-check=full to see details of leaked memory.
Cheers,
Michael
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Here's a clean backtrace of the above run under gdb.
Also, note that *sometimes* the crash happens on exit only: