diff options
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-08-11-09-19-55.gh-issue-95876.YpQfoV.rst | 4 | ||||
| -rw-r--r-- | Parser/pegen_errors.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-08-11-09-19-55.gh-issue-95876.YpQfoV.rst b/Misc/NEWS.d/next/Core and Builtins/2022-08-11-09-19-55.gh-issue-95876.YpQfoV.rst new file mode 100644 index 0000000..96b6901 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-08-11-09-19-55.gh-issue-95876.YpQfoV.rst @@ -0,0 +1,4 @@ +Fix format string in ``_PyPegen_raise_error_known_location`` that can lead +to memory corruption on some 64bit systems. The function was building a +tuple with ``i`` (int) instead of ``n`` (Py_ssize_t) for Py_ssize_t +arguments. diff --git a/Parser/pegen_errors.c b/Parser/pegen_errors.c index c87d50a..95bbd43 100644 --- a/Parser/pegen_errors.c +++ b/Parser/pegen_errors.c @@ -371,7 +371,7 @@ _PyPegen_raise_error_known_location(Parser *p, PyObject *errtype, } } } - tmp = Py_BuildValue("(OiiNii)", p->tok->filename, lineno, col_number, error_line, end_lineno, end_col_number); + tmp = Py_BuildValue("(OnnNnn)", p->tok->filename, lineno, col_number, error_line, end_lineno, end_col_number); if (!tmp) { goto error; } |