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| author | Pablo Galindo <Pablogsal@gmail.com> | 2019-05-11 19:54:37 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-11 19:54:37 (GMT) |
| commit | 5833e94d8615ea18b14e4830ecdb868aec81b378 (patch) | |
| tree | dad68ea555f6e6d92e867ce51f94c31c69339325 /Python | |
| parent | 90fb04c1e23c0fddd438bd0f73e7c018cacef4bc (diff) | |
| download | cpython-5833e94d8615ea18b14e4830ecdb868aec81b378.zip cpython-5833e94d8615ea18b14e4830ecdb868aec81b378.tar.gz cpython-5833e94d8615ea18b14e4830ecdb868aec81b378.tar.bz2 | |
bpo-36817: Fix reference leak for expr_text in f-string = parsing (GH-13249)
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/ast.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Python/ast.c b/Python/ast.c index 21abd7e..585f8b3 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -5228,10 +5228,15 @@ fstring_find_expr(const char **str, const char *end, int raw, int recurse_lvl, } if (equal_flag) { - Py_ssize_t len = expr_text_end-expr_start; + Py_ssize_t len = expr_text_end - expr_start; expr_text = PyUnicode_FromStringAndSize(expr_start, len); - if (!expr_text) + if (!expr_text) { goto error; + } + if (PyArena_AddPyObject(c->c_arena, expr_text) < 0) { + Py_DECREF(expr_text); + goto error; + } } /* Check for the format spec, if present. */ |