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authorGregory P. Smith <greg@krypto.org>2020-06-22 07:39:28 (GMT)
committerGitHub <noreply@github.com>2020-06-22 07:39:28 (GMT)
commitd780fa7931d8ce94994827232d7cca79b0be3bf1 (patch)
tree1953bde8cd8d55482b4a48fc9ea8c7f17e94cf6d /Modules/_zoneinfo.c
parent81328f30703bd7225e7e73aedb0994a7293ce190 (diff)
downloadcpython-d780fa7931d8ce94994827232d7cca79b0be3bf1.zip
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bpo-41056: Fix a possible MemoryError leak within zoneinfo. (GH-21007)
This was detected by our Coverity scan as a REVERSE_INULL issue. Automerge-Triggered-By: @gpshead
Diffstat (limited to 'Modules/_zoneinfo.c')
-rw-r--r--Modules/_zoneinfo.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/Modules/_zoneinfo.c b/Modules/_zoneinfo.c
index e8b2831..a288349 100644
--- a/Modules/_zoneinfo.c
+++ b/Modules/_zoneinfo.c
@@ -278,13 +278,11 @@ zoneinfo_new(PyTypeObject *type, PyObject *args, PyObject *kw)
instance =
PyObject_CallMethod(weak_cache, "setdefault", "OO", key, tmp);
- ((PyZoneInfo_ZoneInfo *)instance)->source = SOURCE_CACHE;
-
Py_DECREF(tmp);
-
if (instance == NULL) {
return NULL;
}
+ ((PyZoneInfo_ZoneInfo *)instance)->source = SOURCE_CACHE;
}
update_strong_cache(type, key, instance);
@@ -1622,7 +1620,7 @@ parse_abbr(const char *const p, PyObject **abbr)
}
*abbr = PyUnicode_FromStringAndSize(str_start, str_end - str_start);
- if (abbr == NULL) {
+ if (*abbr == NULL) {
return -1;
}