bpo-15108: Prevent accessing the result tuple from Python in PySequence_Tuple#24510
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pablogsal wants to merge 1 commit into
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bpo-15108: Prevent accessing the result tuple from Python in PySequence_Tuple#24510pablogsal wants to merge 1 commit into
pablogsal wants to merge 1 commit into
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vstinner
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Feb 15, 2021
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| // bpo-15108: Code can access the result tuple while being | ||
| // incomplete when calling PyIter_Next(). | ||
| PyObject_GC_UnTrack(result); |
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I would prefer to add a new API to create an untracked tuple: https://bugs.python.org/issue15108#msg387029
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Let's discuss int the issue, then I can modify the PR :)
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FWIW: Traditionally any "crasher" that depended on gc.get_referrers was not considered a bug. These do not seem to affect "normal code" and are hard to fix without doing brain surgery to Python. |
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Yeah, I have to say that I am not very convinced about this change because it also fixes a bigger problem only on one place. What worries me the most here is not using |
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https://bugs.python.org/issue15108