[issue31347] possible undefined behavior in _PyObject_FastCall_Prepend

Changes by Benjamin Peterson : -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker ___

[issue31347] possible undefined behavior in _PyObject_FastCall_Prepend

Benjamin Peterson added the comment: New changeset a3070d530c70477273cacbc61660b318582fff44 by Benjamin Peterson in branch 'master': bpo-31347: _PyObject_FastCall_Prepend: do not call memcpy if args might not be null (#3329)

[issue31347] possible undefined behavior in _PyObject_FastCall_Prepend

Changes by Benjamin Peterson : -- pull_requests: +3351 ___ Python tracker ___ ___

[issue31347] possible undefined behavior in _PyObject_FastCall_Prepend

New submission from Benjamin Peterson: As seen by ubsan: ../cpython/Objects/call.c:858:9: runtime error: null pointer passed as argument 2, which is declared to never be null -- messages: 301283 nosy: benjamin.peterson priority: normal severity: normal status: open title: possible