[issue16305] possible segfault in math.factorial

2014-04-08 Thread Roundup Robot 

Roundup Robot added the comment:

New changeset 3016a9e8061a by Benjamin Peterson in branch '2.7':
PySequence_Fast generally returns a list (#16305)
http://hg.python.org/cpython/rev/3016a9e8061a

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[issue16305] possible segfault in math.factorial

2014-04-08 Thread Benjamin Peterson 

Benjamin Peterson added the comment:

(Obviously that last message should have gone to #16395 instead.)

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[issue16305] possible segfault in math.factorial

2012-10-25 Thread Roundup Robot 

Roundup Robot added the comment:

New changeset 19ed42e84030 by Mark Dickinson in branch '3.3':
Issue #16305: Merge fix from 3.2.
http://hg.python.org/cpython/rev/19ed42e84030

New changeset cbdd6852a274 by Mark Dickinson in branch 'default':
Issue #16305: Merge fix from 3.3.
http://hg.python.org/cpython/rev/cbdd6852a274

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[issue16305] possible segfault in math.factorial

2012-10-25 Thread Mark Dickinson 

Mark Dickinson added the comment:

Fixed in 3.2, 3.3 and default.  Thanks Amaury for the report and diagnosis!

(I forget to add the issue number in the 3.2 commit:  the changeset is 
b4bfcf7a4773.)

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resolution:  - fixed
status: open - closed

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[issue16305] possible segfault in math.factorial

2012-10-24 Thread Mark Dickinson 

Mark Dickinson added the comment:

I can reproduce this on 3.2 (OS X).  I'll take a look tonight.

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assignee:  - mark.dickinson
components: +Extension Modules
priority: normal - high
stage:  - needs patch

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[issue16305] possible segfault in math.factorial

2012-10-24 Thread Mark Dickinson 

Changes by Mark Dickinson dicki...@gmail.com:


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versions: +Python 3.4

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[issue16305] possible segfault in math.factorial

2012-10-24 Thread Mark Dickinson 

Mark Dickinson added the comment:

Here's a patch.

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keywords: +patch
stage: needs patch - commit review
Added file: http://bugs.python.org/file27691/fix_factorial_segfault.patch

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[issue16305] possible segfault in math.factorial

2012-10-24 Thread Serhiy Storchaka 

Serhiy Storchaka added the comment:

LGTM.

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[issue16305] possible segfault in math.factorial

2012-10-23 Thread Amaury Forgeot d'Arc 

New submission from Amaury Forgeot d'Arc:

 import math, sys
 math.factorial(sys.maxsize - 1)
(Hit Ctrl-C)
Segmentation fault

The cause is probably in mathmodule.c::factorial_odd_part():
  error:
Py_DECREF(outer);
  done:
Py_DECREF(inner);
return outer;
In case of error, the function returns a released reference instead of NULL.

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messages: 173643
nosy: amaury.forgeotdarc
priority: normal
severity: normal
status: open
title: possible segfault in math.factorial
type: crash
versions: Python 3.2, Python 3.3

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[issue16305] possible segfault in math.factorial

2012-10-23 Thread Antoine Pitrou 

Changes by Antoine Pitrou pit...@free.fr:


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