bpo-35984: _xxsubinterpreters: Fix memory leak in _channel_send() (GH-11845)

Alexey Izbyshev · miss-islington · commit 36433221f06d · 2019-02-15T14:28:58.000-08:00
https://bugs.python.org/issue35984
diff --git a/Modules/_xxsubinterpretersmodule.c b/Modules/_xxsubinterpretersmodule.c
@@ -1339,6 +1339,7 @@ _channel_send(_channels *channels, int64_t id, PyObject *obj)
         return -1;
     }
     if (_PyObject_GetCrossInterpreterData(obj, data) != 0) {
+        PyMem_Free(data);
         PyThread_release_lock(mutex);
         return -1;
     }

Original file line number	Diff line number	Diff line change
`@@ -1339,6 +1339,7 @@ _channel_send(_channels channels, int64_t id, PyObject obj)`
`1339`	`1339`	`return -1;`
`1340`	`1340`	`}`
`1341`	`1341`	`if (_PyObject_GetCrossInterpreterData(obj, data) != 0) {`
	`1342`	`+ PyMem_Free(data);`
`1342`	`1343`	`PyThread_release_lock(mutex);`
`1343`	`1344`	`return -1;`
`1344`	`1345`	`}`