Message337933
The coverity scan was run on python2, however the same defect seems to exist in python3 as well.
Error: RESOURCE_LEAK (CWE-772): [#def69]
Python-2.7.15/Objects/longobject.c:3793: alloc_fn: Storage is returned from allocation function "_PyLong_New".
Python-2.7.15/Objects/longobject.c:76:5: 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/longobject.c:76:5: identity_transfer: Passing "(PyVarObject *)PyObject_Malloc((size_t)(PyLong_Type.tp_basicsize + size * PyLong_Type.tp_itemsize + 7L & 0xfffffffffffffff8L))" as argument 1 to function "PyObject_InitVar", which returns that argument.
Python-2.7.15/Objects/object.c:237:5: return_parm: Returning parameter "op".
Python-2.7.15/Objects/longobject.c:76:5: return_alloc_fn: Directly returning storage allocated by "PyObject_InitVar".
Python-2.7.15/Objects/longobject.c:3793: var_assign: Assigning: "z" = storage returned from "_PyLong_New(size_a)".
Python-2.7.15/Objects/longobject.c:3797: var_assign: Assigning: "a" = "z".
Python-2.7.15/Objects/longobject.c:3847: leaked_storage: Variable "z" going out of scope leaks the storage it points to.
Python-2.7.15/Objects/longobject.c:3847: leaked_storage: Returning without freeing "a" leaks the storage that it points to.
3845| default:
3846| PyErr_BadArgument();
3847|-> return NULL;
3848| }
3849|
Error: RESOURCE_LEAK (CWE-772): [#def70]
Python-2.7.15/Objects/longobject.c:3793: alloc_fn: Storage is returned from allocation function "_PyLong_New".
Python-2.7.15/Objects/longobject.c:76:5: 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/longobject.c:76:5: identity_transfer: Passing "(PyVarObject *)PyObject_Malloc((size_t)(PyLong_Type.tp_basicsize + size * PyLong_Type.tp_itemsize + 7L & 0xfffffffffffffff8L))" as argument 1 to function "PyObject_InitVar", which returns that argument.
Python-2.7.15/Objects/object.c:237:5: return_parm: Returning parameter "op".
Python-2.7.15/Objects/longobject.c:76:5: return_alloc_fn: Directly returning storage allocated by "PyObject_InitVar".
Python-2.7.15/Objects/longobject.c:3793: var_assign: Assigning: "z" = storage returned from "_PyLong_New(size_a)".
Python-2.7.15/Objects/longobject.c:3797: var_assign: Assigning: "a" = "z".
Python-2.7.15/Objects/longobject.c:3820: var_assign: Assigning: "z" = "a".
Python-2.7.15/Objects/longobject.c:3820: var_assign: Assigning: "b" = "z".
Python-2.7.15/Objects/longobject.c:3847: leaked_storage: Variable "z" going out of scope leaks the storage it points to.
Python-2.7.15/Objects/longobject.c:3847: leaked_storage: Returning without freeing "b" leaks the storage that it points to.
3845| default:
3846| PyErr_BadArgument();
3847|-> return NULL;
3848| }
3849| |
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Date |
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2019-03-14 15:16:32 | cstratak | set | recipients:
+ cstratak |
2019-03-14 15:16:32 | cstratak | set | messageid: <1552576592.77.0.356319566545.issue36292@roundup.psfhosted.org> |
2019-03-14 15:16:32 | cstratak | link | issue36292 messages |
2019-03-14 15:16:32 | cstratak | create | |
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