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| author | Antoine Pitrou <solipsis@pitrou.net> | 2013-04-06 19:21:04 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2013-04-06 19:21:04 (GMT) |
| commit | 55bff8919031093dad249be793d24c66956d8af3 (patch) | |
| tree | 90c5410e8449019114e74582819dd4a3f818542f | |
| parent | e8f706eda77db200728fc436dca20f0591eeec27 (diff) | |
| download | cpython-55bff8919031093dad249be793d24c66956d8af3.zip cpython-55bff8919031093dad249be793d24c66956d8af3.tar.gz cpython-55bff8919031093dad249be793d24c66956d8af3.tar.bz2 | |
Issue #17645: convert an assert() into a proper exception in _Py_Mangle().
| -rw-r--r-- | Python/compile.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Python/compile.c b/Python/compile.c index 3cf71ef..0a8f58e 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -248,8 +248,11 @@ _Py_Mangle(PyObject *privateobj, PyObject *ident) } plen -= ipriv; - assert(1 <= PY_SSIZE_T_MAX - nlen); - assert(1 + nlen <= PY_SSIZE_T_MAX - plen); + if (plen + nlen >= PY_SSIZE_T_MAX - 1) { + PyErr_SetString(PyExc_OverflowError, + "private identifier too large to be mangled"); + return NULL; + } maxchar = PyUnicode_MAX_CHAR_VALUE(ident); if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar) |