New submission from Charalampos Stratakis <cstra...@redhat.com>:

Coverity reports a leak within the json module:

Error: RESOURCE_LEAK (CWE-772): [#def26]
Python-2.7.15/Modules/_json.c:1367: alloc_fn: Storage is returned from 
allocation function "PyString_FromStringAndSize".
Python-2.7.15/Objects/stringobject.c:88:5: alloc_fn: Storage is returned from 
allocation function "PyObject_Malloc".
Python-2.7.15/Objects/obmalloc.c:982:5: alloc_fn: Storage is returned from 
allocation function "malloc".
Python-2.7.15/Objects/obmalloc.c:982:5: return_alloc_fn: Directly returning 
storage allocated by "malloc".
Python-2.7.15/Objects/stringobject.c:88:5: var_assign: Assigning: "op" = 
"PyObject_Malloc(37UL + size)".
Python-2.7.15/Objects/stringobject.c:111:5: return_alloc: Returning allocated 
memory "op".
Python-2.7.15/Modules/_json.c:1367: var_assign: Assigning: "numstr" = storage 
returned from "PyString_FromStringAndSize(&str[start], idx - start)".
Python-2.7.15/Modules/_json.c:1379: leaked_storage: Variable "numstr" going out 
of scope leaks the storage it points to.
 1377|                                                NULL, NULL);
 1378|               if (d == -1.0 && PyErr_Occurred())
 1379|->                 return NULL;
 1380|               rval = PyFloat_FromDouble(d);
 1381|           }

----------
components: Extension Modules
messages: 337927
nosy: cstratak
priority: normal
severity: normal
status: open
title: [2.7] Coverity Scan: Modules/_json.c: leaked_storage: Variable "numstr" 
going out of scope leaks the storage it points to.
versions: Python 2.7

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36291>
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