Changes by Terry J. Reedy tjre...@udel.edu:
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versions: -Python 2.6
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue12017
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Python-bugs-list
Roundup Robot devnull@devnull added the comment:
New changeset 6fa20e360e5e by Ezio Melotti in branch '2.7':
#12017: Fix segfault in json.loads() while decoding highly-nested objects using
the C accelerations.
http://hg.python.org/cpython/rev/6fa20e360e5e
New changeset 61164d09337e by Ezio
Ezio Melotti ezio.melo...@gmail.com added the comment:
Fixed, thanks Ivan for the report and Alex for suggesting Py_EnterRecursiveCall!
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resolution: - fixed
stage: commit review - committed/rejected
status: open - closed
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Python tracker
New submission from ivank b...@ludios.org:
Decoding a highly-nested object with json (_speedups enabled) can cause a
segfault due to a stack overflow:
# python -c import json; json.loads('[' * 10 + '1' + ']' * 10)
zsh: segmentation fault python -c import json; json.loads('[' * 10
Changes by Ezio Melotti ezio.melo...@gmail.com:
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components: +Extension Modules -Library (Lib)
nosy: +ezio.melotti
stage: - test needed
versions: +Python 3.1, Python 3.2, Python 3.3
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Python tracker rep...@bugs.python.org
ivank b...@ludios.org added the comment:
ivan` any opinions here on what the default max_depth should be? is there any
safe number?
ivan` I'm curious as to how many C stack frames I can use after reaching the
Python recursion limit
ivan` and what ulimit -s looks like on every platform
Alex Gaynor alex.gay...@gmail.com added the comment:
Why not use Py_EnterRecursiveCall?
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nosy: +alex
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue12017
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Changes by Antoine Pitrou pit...@free.fr:
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nosy: +barry
priority: normal - high
stage: test needed - needs patch
versions: +Python 2.6
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue12017
Changes by Ezio Melotti ezio.melo...@gmail.com:
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assignee: - ezio.melotti
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http://bugs.python.org/issue12017
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Ezio Melotti ezio.melo...@gmail.com added the comment:
Attached patch fixes the issues. The patch includes 6 tests that caused a
segfault and that now raise a RuntimeError: maximum recursion depth exceeded
error, matching the behavior of the Python version.
The recursion happen because
Barry A. Warsaw ba...@python.org added the comment:
Thanks for the patch. I'll apply this to 2.6svn for the 2.6.7rc1 release
today. Feel free to apply this to 2.6hg and forward port it to the relevant
releases.
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Python tracker
Barry A. Warsaw ba...@python.org added the comment:
Not applicable to 2.6 after all.
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priority: release blocker - high
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