[issue41459] pickle.load raises SystemError on malformed input

Change by Eric V. Smith : -- resolution: -> wont fix stage: -> resolved status: open -> closed ___ Python tracker ___ ___

[issue41459] pickle.load raises SystemError on malformed input

Guillaume added the comment: Hi Eric, I'm not aware of a practical problem caused by this. This was discovered via fuzzing. I reported it because the unexpected error suggest an internal issue within the pickle library. Just before reporting this, I browsed the bug tracker and noticed a

[issue41459] pickle.load raises SystemError on malformed input

Eric V. Smith added the comment: As a rule, we don't put a lot of effort into handling malformed pickle input. Is this causing some practical problem? -- nosy: +eric.smith ___ Python tracker

[issue41459] pickle.load raises SystemError on malformed input

Change by Larry Hastings : -- nosy: -larry ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue41459] pickle.load raises SystemError on malformed input

Guillaume added the comment: Updated Components. I believe pickle fit in the Library category. Note this was discovered with python 3.8.5 -- components: +Library (Lib) -Argument Clinic ___ Python tracker

[issue41459] pickle.load raises SystemError on malformed input

New submission from Guillaume : pickle.load() raises a criptic SystemError with malformed input, whereas I would have expected an UnpicklingError. "SystemError: deallocated bytearray object has exported buffers" Because pickle is not meant for use on untrusted input, this likely would not