diff options
Diffstat (limited to 'Lib/pickle.py')
| -rw-r--r-- | Lib/pickle.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index fdeadee..0aee77a 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -1154,16 +1154,22 @@ class _Unpickler: def load_put(self): i = int(self.readline()[:-1]) + if i < 0: + raise ValueError("negative PUT argument") self.memo[i] = self.stack[-1] dispatch[PUT[0]] = load_put def load_binput(self): i = self.read(1)[0] + if i < 0: + raise ValueError("negative BINPUT argument") self.memo[i] = self.stack[-1] dispatch[BINPUT[0]] = load_binput def load_long_binput(self): i = mloads(b'i' + self.read(4)) + if i < 0: + raise ValueError("negative LONG_BINPUT argument") self.memo[i] = self.stack[-1] dispatch[LONG_BINPUT[0]] = load_long_binput |