[Python-checkins] cpython: Fix ref leak in error case of unicode find, count, formatlong
christian.heimes
python-checkins at python.org
Sat Jun 29 21:33:49 CEST 2013
http://hg.python.org/cpython/rev/cad335e0b205
changeset: 84380:cad335e0b205
user: Christian Heimes <christian at cheimes.de>
date: Sat Jun 29 21:33:36 2013 +0200
summary:
Fix ref leak in error case of unicode find, count, formatlong
CID 983315: Resource leak (RESOURCE_LEAK)
CID 983316: Resource leak (RESOURCE_LEAK)
CID 983317: Resource leak (RESOURCE_LEAK)
files:
Objects/unicodeobject.c | 18 +++++++++++++-----
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -10875,8 +10875,10 @@
kind1 = PyUnicode_KIND(self);
kind2 = PyUnicode_KIND(substring);
- if (kind2 > kind1)
+ if (kind2 > kind1) {
+ Py_DECREF(substring);
return PyLong_FromLong(0);
+ }
kind = kind1;
buf1 = PyUnicode_DATA(self);
buf2 = PyUnicode_DATA(substring);
@@ -11054,10 +11056,14 @@
&start, &end))
return NULL;
- if (PyUnicode_READY(self) == -1)
- return NULL;
- if (PyUnicode_READY(substring) == -1)
- return NULL;
+ if (PyUnicode_READY(self) == -1) {
+ Py_DECREF(substring);
+ return NULL;
+ }
+ if (PyUnicode_READY(substring) == -1) {
+ Py_DECREF(substring);
+ return NULL;
+ }
result = any_find_slice(1, self, substring, start, end);
@@ -13581,12 +13587,14 @@
/* To modify the string in-place, there can only be one reference. */
if (Py_REFCNT(result) != 1) {
+ Py_DECREF(result);
PyErr_BadInternalCall();
return NULL;
}
buf = PyUnicode_DATA(result);
llen = PyUnicode_GET_LENGTH(result);
if (llen > INT_MAX) {
+ Py_DECREF(result);
PyErr_SetString(PyExc_ValueError,
"string too large in _PyBytes_FormatLong");
return NULL;
--
Repository URL: http://hg.python.org/cpython
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