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| author | Lysandros Nikolaou <lisandrosnik@gmail.com> | 2023-10-12 09:34:12 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-10-12 09:34:12 (GMT) |
| commit | fb7843ee895ac7f6eeb58f356b1a320eea081cfc (patch) | |
| tree | 2bfacf2b0e36e0d4bd4ecc00acde803ce17a9c45 /Parser/pegen_errors.c | |
| parent | 3d180347ae73119bb51500efeeafdcd62bcc6f78 (diff) | |
| download | cpython-fb7843ee895ac7f6eeb58f356b1a320eea081cfc.zip cpython-fb7843ee895ac7f6eeb58f356b1a320eea081cfc.tar.gz cpython-fb7843ee895ac7f6eeb58f356b1a320eea081cfc.tar.bz2 | |
gh-107450: Raise OverflowError when parser column offset overflows (#110754)
Diffstat (limited to 'Parser/pegen_errors.c')
| -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 { |