New submission from Charalampos Stratakis <[email protected]>:
Coverity scan reports this for bufferedio.c :
Error: RESOURCE_LEAK (CWE-772): [#def23]
Python-2.7.15/Modules/_io/bufferedio.c:1353: 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/_io/bufferedio.c:1353: var_assign: Assigning: "data" =
storage returned from "PyString_FromStringAndSize(self->buffer + self->pos,
current_size)".
Python-2.7.15/Modules/_io/bufferedio.c:1366: leaked_storage: Variable "data"
going out of scope leaks the storage it points to.
1364| if (res == NULL) {
1365| Py_DECREF(chunks);
1366|-> return NULL;
1367| }
1368| Py_CLEAR(res);
----------
components: Extension Modules
messages: 337923
nosy: cstratak
priority: normal
severity: normal
status: open
title: [2.7] Coverity scan: Modules/_io/bufferedio.c leaked_storage: Variable
"data" going out of scope leaks the storage it points to.
versions: Python 2.7
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Python tracker <[email protected]>
<https://bugs.python.org/issue36289>
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