[New-bugs-announce] [issue36212] [2.7] Coverity scan: Modules/_hotshot.c , Variable "s1" going out of scope leaks the storage it points to.

[Charalampos Stratakis]

New submission from Charalampos Stratakis <cstratak at redhat.com>:

Coverity scan reports a leak on _hotshot.c: 

Python-2.7.15/Modules/_hotshot.c:442: alloc_arg: "unpack_string" allocates memory that is stored into "s1".
Python-2.7.15/Modules/_hotshot.c:329:5: 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/_hotshot.c:329:5: var_assign: Assigning: "*pvalue" = "PyString_FromStringAndSize(buf, len)".
Python-2.7.15/Modules/_hotshot.c:486: leaked_storage: Variable "s1" going out of scope leaks the storage it points to.
 484|           result = PyTuple_New(4);
 485|           if (result == NULL)
 486|->             return NULL;
 487|           PyTuple_SET_ITEM(result, 0, PyInt_FromLong(what));
 488|           PyTuple_SET_ITEM(result, 2, PyInt_FromLong(fileno));

----------
components: Extension Modules
messages: 337301
nosy: cstratak
priority: normal
severity: normal
status: open
title: [2.7] Coverity scan: Modules/_hotshot.c , Variable "s1" going out of scope leaks the storage it points to.
type: resource usage
versions: Python 2.7

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36212>
_______________________________________