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| author | Erlend Egeberg Aasland <erlend.aasland@innova.no> | 2021-04-08 23:05:44 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-08 23:05:44 (GMT) |
| commit | c0e11a3ceb9427e09db4224f394c7789bf6deec5 (patch) | |
| tree | cbb3723e713e4c3ac00185fadf2459d8d4e974db /Parser/pegen.c | |
| parent | 1e051a21b7106a93c30b74aad7e1f40d6c0c477b (diff) | |
| download | cpython-c0e11a3ceb9427e09db4224f394c7789bf6deec5.zip cpython-c0e11a3ceb9427e09db4224f394c7789bf6deec5.tar.gz cpython-c0e11a3ceb9427e09db4224f394c7789bf6deec5.tar.bz2 | |
Fix possible refleak involving _PyArena_AddPyObject (GH-25289)
Diffstat (limited to 'Parser/pegen.c')
| -rw-r--r-- | Parser/pegen.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Parser/pegen.c b/Parser/pegen.c index 82dcd3b..7b5a5e9 100644 --- a/Parser/pegen.c +++ b/Parser/pegen.c @@ -690,7 +690,10 @@ _PyPegen_fill_token(Parser *p) if (t->bytes == NULL) { return -1; } - _PyArena_AddPyObject(p->arena, t->bytes); + if (_PyArena_AddPyObject(p->arena, t->bytes) < 0) { + Py_DECREF(t->bytes); + return -1; + } int lineno = type == STRING ? p->tok->first_lineno : p->tok->lineno; const char *line_start = type == STRING ? p->tok->multi_line_start : p->tok->line_start; |