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Author methane
Recipients audric, methane, vstinner, xiang.zhang
Date 2017-02-04.18:56:09
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1486234569.51.0.32350952359.issue29438@psf.upfronthosting.co.za>
In-reply-to
Content 
I can reproduce it on Python 3.5 with attached script.
I think this bug is from Python 3.3, since key-sharing dict is implemented.

"Trigger key sharing dict resize while callbacks (weakref or __del__) called from setitem" is step to reproduce.
It's not easy to exploit because external input (JSON, form, etc) doesn't use key-sharing dict.

Should I fix it for 3.3~ (security fix only) or 3.5~ (bugfix)?
History
Date User Action Args
2017-02-04 18:56:09methanesetrecipients: + methane, vstinner, xiang.zhang, audric
2017-02-04 18:56:09methanesetmessageid: <1486234569.51.0.32350952359.issue29438@psf.upfronthosting.co.za>
2017-02-04 18:56:09methanelinkissue29438 messages
2017-02-04 18:56:09methanecreate