diff options
Diffstat (limited to 'Parser')
| -rw-r--r-- | Parser/pegen_errors.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Parser/pegen_errors.c b/Parser/pegen_errors.c index 2baae52..15e99e2 100644 --- a/Parser/pegen_errors.c +++ b/Parser/pegen_errors.c @@ -235,6 +235,12 @@ _PyPegen_raise_error(Parser *p, PyObject *errtype, int use_mark, const char *err col_offset = 0; } else { const char* start = p->tok->buf ? p->tok->line_start : p->tok->buf; + if (p->tok->cur - start > INT_MAX) { + PyErr_SetString(PyExc_OverflowError, + "Parser column offset overflow - source line is too big"); + p->error_indicator = 1; + return NULL; + } col_offset = Py_SAFE_DOWNCAST(p->tok->cur - start, intptr_t, int); } } else { |