[issue44396] pegen _PyParser_ASTFromFile(): Use-After-Free in syntaxerror()

[Pablo Galindo Salgado]

Pablo Galindo Salgado <pablogsal at gmail.com> added the comment:

Ok, found the problem, we are not resetting the multi-line-start pointer when we are reallocating the tokenizer buffers.

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stage: patch review -> 

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44396>
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