#16850: Interrupt in NTL malloc() hangs Sage
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: cython | Resolution:
Keywords: interrupt | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by jdemeyer:
Old description:
> Inspired by #16667, the following usually breaks Sage badly:
> {{{
> sage: x = polygen(GF(2^8, 'a')); alarm(0.1); x^1000000
> }}}
New description:
Inspired by #16667, the following usually breaks Sage badly:
{{{
sage: x = polygen(GF(2^8, 'a')); alarm(0.1); x^1000000
}}}
This reason is that this tends to interrupt during a `malloc()` call,
which can totally mess up the heap. We always knew this could happen, but
now we have a case which is relatively easy to reproduce.
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Ticket URL: <http://trac.sagemath.org/ticket/16850#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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