Title: Use of uninitialized pointer in Argument Clinic generated code · Issue #97728 · python/cpython · GitHub
Open Graph Title: Use of uninitialized pointer in Argument Clinic generated code · Issue #97728 · python/cpython
X Title: Use of uninitialized pointer in Argument Clinic generated code · Issue #97728 · python/cpython
Description: The code generated for the Py_UNICODE converter (and derived converter LPCWSTR) looks like: const Py_UNICODE *name; ... if (!_PyArg_ParseXXX(..., name, ...)) { goto exit; } ... exit: PyMem_Free((void *)name); If parsing fails, PyMem_Free...
Open Graph Description: The code generated for the Py_UNICODE converter (and derived converter LPCWSTR) looks like: const Py_UNICODE *name; ... if (!_PyArg_ParseXXX(..., name, ...)) { goto exit; } ... exit: PyMem_Free((vo...
X Description: The code generated for the Py_UNICODE converter (and derived converter LPCWSTR) looks like: const Py_UNICODE *name; ... if (!_PyArg_ParseXXX(..., name, ...)) { goto exit; } ... exit: PyMem_Free((vo...
Opengraph URL: https://github.com/python/cpython/issues/97728
X: @github
Domain: github.com
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Use of uninitialized pointer in Argument Clinic generated code","articleBody":"The code generated for the Py_UNICODE converter (and derived converter LPCWSTR) looks like:\r\n```c\r\nconst Py_UNICODE *name;\r\n...\r\nif (!_PyArg_ParseXXX(..., name, ...)) {\r\n goto exit;\r\n}\r\n...\r\nexit:\r\n PyMem_Free((void *)name);\r\n```\r\nIf parsing fails, `PyMem_Free()` is called for uninitialized variable.\r\n\r\nIt is the only converter with non-trivial cleanup which does not have a mandatory initializer.","author":{"url":"https://github.com/serhiy-storchaka","@type":"Person","name":"serhiy-storchaka"},"datePublished":"2022-10-02T08:31:31.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/97728/cpython/issues/97728"}| route-pattern | /_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format) |
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| og:image:alt | The code generated for the Py_UNICODE converter (and derived converter LPCWSTR) looks like: const Py_UNICODE *name; ... if (!_PyArg_ParseXXX(..., name, ...)) { goto exit; } ... exit: PyMem_Free((vo... |
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