[issue3666] atexit.register with bad input segfaults on exit

2008-09-22 Thread Skip Montanaro 

Changes by Skip Montanaro [EMAIL PROTECTED]:


Removed file: http://bugs.python.org/file11517/atexit.diff

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-22 Thread Skip Montanaro 

Skip Montanaro [EMAIL PROTECTED] added the comment:

I've taken this ticket.  Can someone please review and give
it a thumbs up or thumbs down?

--
assignee:  - skip.montanaro

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-22 Thread Christian Heimes 

Christian Heimes [EMAIL PROTECTED] added the comment:

*thumbs up*

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-22 Thread Skip Montanaro 

Skip Montanaro [EMAIL PROTECTED] added the comment:

Checked in as revision 66562.

--
resolution:  - fixed
status: open - closed

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-18 Thread Skip Montanaro 

Skip Montanaro [EMAIL PROTECTED] added the comment:

Why not just have atexit_callfuncs call atexit_cleanup at the end of its
execution?

--
nosy: +skip.montanaro

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-18 Thread Skip Montanaro 

Skip Montanaro [EMAIL PROTECTED] added the comment:

The attached patch causes an exception to print
at exit on my Mac:

 import sys, atexit
 atexit.register(lambda: 1, 0, 0, (x for x in (1,2)), 0, 0)
function lambda at 0x5c91e0
 sys.exit()
Error in atexit._run_exitfuncs:
TypeError: print_exception(): Exception expected for value, str found

Without the patch I get the same TypeError but it's
followed by a Bus error.

I don't know if the patch is right or wrong, better or worse than the
status quo, but I'll toss it out there for consideration.  It
certainly seems to subscribe to Christian's theme of calling
atexit_cleanup() earlier.

--
keywords: +patch
Added file: http://bugs.python.org/file11517/atexit.diff

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-18 Thread Skip Montanaro 

Skip Montanaro [EMAIL PROTECTED] added the comment:

New patch.  This also makes the various atexit_*
functions static.

Added file: http://bugs.python.org/file11519/atexit.diff

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-17 Thread Barry A. Warsaw 

Changes by Barry A. Warsaw [EMAIL PROTECTED]:


--
priority: deferred blocker - release blocker

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[issue3666] atexit.register with bad input segfaults on exit

2008-09-03 Thread Benjamin Peterson 

Changes by Benjamin Peterson [EMAIL PROTECTED]:


--
priority: release blocker - deferred blocker

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[issue3666] atexit.register with bad input segfaults on exit

2008-08-24 Thread Daniel Diniz 

New submission from Daniel Diniz [EMAIL PROTECTED]:

The following crashes the interpreter on exit:

import sys, atexit; atexit.register(lambda: 1, 0, 0, (x for x in (1,2)),
0, 0); sys.exit()

Found with Fusil.

--
messages: 71862
nosy: ajaksu2
severity: normal
status: open
title: atexit.register with bad input segfaults on exit
type: crash
versions: Python 3.0

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[issue3666] atexit.register with bad input segfaults on exit

2008-08-24 Thread Christian Heimes 

Changes by Christian Heimes [EMAIL PROTECTED]:


--
priority:  - release blocker

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[issue3666] atexit.register with bad input segfaults on exit

2008-08-24 Thread Christian Heimes 

Christian Heimes [EMAIL PROTECTED] added the comment:

I'm getting hundreds of lines

Fatal Python error: PyThreadState_Get: no current thread

The Python process segfaults in call_ll_exitfuncs - atexit_cleanup() -
atexit_clear() -  atexit_delete_cb - Py_DECREF(cb-args)

--
nosy: +christian.heimes

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[issue3666] atexit.register with bad input segfaults on exit

2008-08-24 Thread Christian Heimes 

Christian Heimes [EMAIL PROTECTED] added the comment:

I was able to trace the error to its apartment. During the cleanup
gen_del calls PyErr_Fetch() which fails in PyThreadState_GET().

Conclusion:
The atexit cleanup method must be called much earlier.
call_ll_exitfunc() is too late. I suggest a new function that calls
atexit_cleanup() right after atexit_callfuncs().

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