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3.11only security fixesonly security fixes3.12only security fixesonly security fixestype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errortype-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump
Description
If the getpath.joinpath() is called without arguments, it tries to return an empty string and calls PyUnicode_FromString(NULL) for this, which causes a crash. The correct way of creating an empty string is PyUnicode_FromStringAndSize(NULL, 0), or PyUnicode_FromString(""), or PyUnicode_FromStringAndSize("", 0).
Alternatively, the function could raise a TypeError instead of returning an empty string.
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3.11only security fixesonly security fixes3.12only security fixesonly security fixestype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errortype-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump