#11942: segfault on Graph().connected_component_containing_vertex('')
----------------------------+-----------------------------------------------
Reporter: kini | Owner: jason, ncohen, rlm
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.3
Component: graph theory | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
----------------------------+-----------------------------------------------
As title.
{{{
fs@zhenghe /tmp $ sage -c
"Graph().connected_component_containing_vertex('')"
/opt/sage/local/lib/libcsage.so(print_backtrace+0x31)[0x7f14e1a96df2]
/opt/sage/local/lib/libcsage.so(sigdie+0x14)[0x7f14e1a96e24]
/opt/sage/local/lib/libcsage.so(sage_signal_handler+0x20c)[0x7f14e1a96a72]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xf020)[0x7f14e31fa020]
/opt/sage/local/lib/python2.6/site-
packages/sage/graphs/base/c_graph.so(+0x11aa1)[0x7f14be4d8aa1]
/opt/sage/local/lib/libpython2.6.so.1.0(+0x75876)[0x7f14e347c876]
/opt/sage/local/lib/libpython2.6.so.1.0(+0x75b92)[0x7f14e347cb92]
/opt/sage/local/lib/libpython2.6.so.1.0(+0xa0f08)[0x7f14e34a7f08]
/opt/sage/local/lib/libpython2.6.so.1.0(PyObject_Call+0x53)[0x7f14e3451cd3]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalFrameEx+0x395d)[0x7f14e34e835d]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalFrameEx+0x602d)[0x7f14e34eaa2d]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalCodeEx+0x879)[0x7f14e34eb549]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalCode+0x32)[0x7f14e34eb642]
/opt/sage/local/lib/libpython2.6.so.1.0(+0xdb07e)[0x7f14e34e207e]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalFrameEx+0x4f8d)[0x7f14e34e998d]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalCodeEx+0x879)[0x7f14e34eb549]
/opt/sage/local/lib/libpython2.6.so.1.0(PyEval_EvalCode+0x32)[0x7f14e34eb642]
/opt/sage/local/lib/libpython2.6.so.1.0(PyRun_FileExFlags+0xb0)[0x7f14e350d9b0]
/opt/sage/local/lib/libpython2.6.so.1.0(PyRun_SimpleFileExFlags+0xdf)[0x7f14e350e3ef]
/opt/sage/local/lib/libpython2.6.so.1.0(Py_Main+0xb23)[0x7f14e351b693]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7f14e27fcead]
python[0x4006a1]
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and is not properly wrapped with sig_on(), sig_off(). You might
want to run Sage under gdb with 'sage -gdb' to debug this.
Sage will now terminate.
------------------------------------------------------------------------
/opt/sage/local/bin/sage-sage: line 772: 19065 Segmentation fault
sage-eval "$@"
fs@zhenghe /tmp $
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11942>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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