bpo-30704, bpo-30604: Fix memleak in code_dealloc() (#2455)

vstinner · web-flow · commit 23e7944eba19 · 2017-06-28T02:12:00.000+02:00
Free also co_extra-&gt;ce_extras, not only co_extra.
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
@@ -427,7 +427,8 @@ code_dealloc(PyCodeObject *co)
             }
         }
 
-        PyMem_FREE(co->co_extra);
+        PyMem_Free(co_extra->ce_extras);
+        PyMem_Free(co_extra);
     }
 
     Py_XDECREF(co->co_code);

Original file line number	Diff line number	Diff line change
`@@ -427,7 +427,8 @@ code_dealloc(PyCodeObject *co)`
`427`	`427`	`}`
`428`	`428`	`}`
`429`	`429`
`430`		`- PyMem_FREE(co->co_extra);`
	`430`	`+ PyMem_Free(co_extra->ce_extras);`
	`431`	`+ PyMem_Free(co_extra);`
`431`	`432`	`}`
`432`	`433`
`433`	`434`	`Py_XDECREF(co->co_code);`