New submission from Charalampos Stratakis <cstra...@redhat.com>:
Coverity scan on python2 resulted in this error. Python-2.7.15/Modules/_ctypes/cfield.c:1297: alloc_fn: Storage is returned from allocation function "PyString_FromString". Python-2.7.15/Objects/stringobject.c:143:5: 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:143:5: var_assign: Assigning: "op" = "PyObject_Malloc(37UL + size)". Python-2.7.15/Objects/stringobject.c:164:5: return_alloc: Returning allocated memory "op". Python-2.7.15/Modules/_ctypes/cfield.c:1297: var_assign: Assigning: "result" = storage returned from "PyString_FromString((char *)ptr)". Python-2.7.15/Modules/_ctypes/cfield.c:1311: leaked_storage: Variable "result" going out of scope leaks the storage it points to. 1309| } else 1310| /* cannot shorten the result */ 1311|-> return PyString_FromStringAndSize(ptr, size); 1312| } 1313| This was fixed on python3 with https://github.com/python/cpython/commit/19b52545df898ec911c44e29f75badb902924c0b Partially backporting this change for this file should fix the issue. ---------- components: Extension Modules messages: 336859 nosy: cstratak, vstinner priority: normal severity: normal status: open title: [2.7] Coverity scan: Modules/_ctypes/cfield.c , Variable "result" going out of scope versions: Python 2.7 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue36147> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
