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Title: structseq.c: NULL dereference in get_type_attr_as_size · Issue #148119 · python/cpython · GitHub

Open Graph Title: structseq.c: NULL dereference in get_type_attr_as_size · Issue #148119 · python/cpython

X Title: structseq.c: NULL dereference in get_type_attr_as_size · Issue #148119 · python/cpython

Description: Bug report Bug description: Parent: #146102 When PyDict_GetItemWithError returns NULL due to error (not missing key), code falls through to PyLong_AsSsize_t(NULL) at line 37 → segfault. Affects PyStructSequence_New, structseq_new_impl, e...

Open Graph Description: Bug report Bug description: Parent: #146102 When PyDict_GetItemWithError returns NULL due to error (not missing key), code falls through to PyLong_AsSsize_t(NULL) at line 37 → segfault. Affects PyS...

X Description: Bug report Bug description: Parent: #146102 When PyDict_GetItemWithError returns NULL due to error (not missing key), code falls through to PyLong_AsSsize_t(NULL) at line 37 → segfault. Affects PyS...

Opengraph URL: https://github.com/python/cpython/issues/148119

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structseq.c: NULL dereference in get_type_attr_as_sizehttps://github.com/python/cpython/issues/148119#top
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on Apr 5, 2026https://github.com/python/cpython/issues/148119#issue-4206323349
#146102https://github.com/python/cpython/issues/146102
gh-148119: Refactor get_type_attr_as_size to improve error handling in structseq.c #148120https://github.com/python/cpython/pull/148120
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