[Numeric] "put" into object array corrupts memory
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I know that Numeric is no longer maintained, but since this bug cost me two sleepless nights, I think it is appropriate to announce the bug and the fix to the list. ---------- Forwarded message ---------- From: SourceForge.net <noreply@sourceforge.net> Date: Apr 30, 2006 12:58 PM Subject: [ numpy-Bugs-1479376 ] [Numeric] "put" into object array corrupts memory To: noreply@sourceforge.net Bugs item #1479376, was opened at 2006-04-30 12:46 Message generated for change (Comment added) made by belopolsky You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=101369&aid=1479376&group_id=1369 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Fatal Error Group: Normal bug Status: Open Priority: 5 Submitted By: Alexander Belopolsky (belopolsky) Assigned to: Nobody/Anonymous (nobody) Summary: [Numeric] "put" into object array corrupts memory Initial Comment: This is one of those bugs that are easier to fix than to reproduce: $ cat test-put.py class A(object): def __del__(self): print "deleting %r" % self a = A() from Numeric import * x = array([None], 'O') y = array([a], 'O') put(x,[0],y) del a,y print "exiting" $ python test-put.py deleting <__main__.A object at 0xf7e4d24c> exiting Fatal Python error: deletion of interned string failed Aborted (core dumped) Numeric version: 24.2 ----------------------------------------------------------------------
Comment By: Alexander Belopolsky (belopolsky) Date: 2006-04-30 12:58
Message: Logged In: YES user_id=835142 Attached patch fixes the bug. ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=101369&aid=1479376&group_id=1369
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