fix memory leak in module _hashlib (patch 158, rhbz#836285)

This commit is contained in:
Bohuslav Kabrda 2012-07-24 08:51:00 +02:00
parent 7e989460de
commit 5fd54b3bd3
3 changed files with 47 additions and 3 deletions

View File

@ -513,7 +513,7 @@ diff -up Python-2.7.2/Modules/_hashopenssl.c.hashlib-fips Python-2.7.2/Modules/_
return NULL;
}
@@ -484,55 +556,116 @@ EVP_new(PyObject *self, PyObject *args,
@@ -484,55 +556,118 @@ EVP_new(PyObject *self, PyObject *args,
digest = EVP_get_digestbyname(name);
ret_obj = EVPnew(name_obj, digest, NULL, (unsigned char*)view.buf,
@ -601,6 +601,8 @@ diff -up Python-2.7.2/Modules/_hashopenssl.c.hashlib-fips Python-2.7.2/Modules/_
+ }
+ }
+
+ PyBuffer_Release(&view);
+
+ return ret_obj;
+}
+
@ -658,7 +660,7 @@ diff -up Python-2.7.2/Modules/_hashopenssl.c.hashlib-fips Python-2.7.2/Modules/_
GEN_CONSTRUCTOR(md5)
GEN_CONSTRUCTOR(sha1)
#ifdef _OPENSSL_SUPPORTS_SHA2
@@ -565,13 +698,10 @@ init_hashlib(void)
@@ -565,13 +700,10 @@ init_hashlib(void)
{
PyObject *m;

View File

@ -0,0 +1,29 @@
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -108,12 +108,8 @@ class HashLibTestCase(unittest.TestCase)
_algo.islower()]))
def test_unknown_hash(self):
- try:
- hashlib.new('spam spam spam spam spam')
- except ValueError:
- pass
- else:
- self.assertTrue(0 == "hashlib didn't reject bogus hash name")
+ self.assertRaises(ValueError, hashlib.new, 'spam spam spam spam spam')
+ self.assertRaises(TypeError, hashlib.new, 1)
def test_get_builtin_constructor(self):
get_builtin_constructor = hashlib.__dict__[
diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -477,6 +477,7 @@ EVP_new(PyObject *self, PyObject *args,
}
if (!PyArg_Parse(name_obj, "s", &name)) {
+ PyBuffer_Release(&view);
PyErr_SetString(PyExc_TypeError, "name must be a string");
return NULL;
}

View File

@ -108,7 +108,7 @@ Summary: An interpreted, interactive, object-oriented programming language
Name: %{python}
# Remember to also rebase python-docs when changing this:
Version: 2.7.3
Release: 10%{?dist}
Release: 11%{?dist}
License: Python
Group: Development/Languages
Requires: %{python}-libs%{?_isa} = %{version}-%{release}
@ -684,6 +684,15 @@ Patch156: 00156-gdb-autoload-safepath.patch
# (rhbz#697470)
Patch157: 00157-uid-gid-overflows.patch
# 00158
# This patch fixes a memory leak in _hashlib module, as reported in
# RHBZ #836285; upstream report http://bugs.python.org/issue15219.
# The patch has been accepted upstream, so this should be commented out
# when packaging next upstream release.
# The fix for Fedora specific "implement_specific_EVP_new()" function
# has been merged into patch 00146.
Patch158: 00158-fix-hashlib-leak.patch
# (New patches go here ^^^)
#
# When adding new patches to "python" and "python3" in Fedora 17 onwards,
@ -1006,6 +1015,7 @@ done
%patch155 -p1
%patch156 -p1
%patch157 -p1 -b .uid-gid-overflows
%patch158 -p1
# This shouldn't be necesarry, but is right now (2.2a3)
@ -1836,6 +1846,9 @@ rm -fr %{buildroot}
# ======================================================
%changelog
* Tue Jul 17 2012 Bohuslav Kabrda <bkabrda@redhat.com> - 2.7.3-11
- fix memory leak in module _hashlib (patch 158, rhbz#836285)
* Tue Jun 26 2012 David Malcolm <dmalcolm@redhat.com> - 2.7.3-10
- fix missing include in uid/gid handling patch (patch 157; rhbz#830405)