diff options
| author | Pablo Galindo Salgado <Pablogsal@gmail.com> | 2021-12-20 15:43:26 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-20 15:43:26 (GMT) |
| commit | e9898bf153d26059261ffef11f7643ae991e2a4c (patch) | |
| tree | 07923519cbb9265c39c1d7139ae725b4db7ac586 /Parser/pegen.c | |
| parent | 6ca78affc8023bc5023189d64d8050857662042a (diff) | |
| download | cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.zip cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.tar.gz cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.tar.bz2 | |
bpo-46110: Add a recursion check to avoid stack overflow in the PEG parser (GH-30177)
Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
Diffstat (limited to 'Parser/pegen.c')
| -rw-r--r-- | Parser/pegen.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Parser/pegen.c b/Parser/pegen.c index 870085e..cfea1c8 100644 --- a/Parser/pegen.c +++ b/Parser/pegen.c @@ -815,6 +815,7 @@ void * _PyPegen_run_parser(Parser *p) { void *res = _PyPegen_parse(p); + assert(p->level == 0); if (res == NULL) { if (PyErr_Occurred() && !PyErr_ExceptionMatches(PyExc_SyntaxError)) { return NULL; |