summaryrefslogtreecommitdiffstats
path: root/Modules/_tkinter.c
diff options
context:
space:
mode:
authorChristian Heimes <christian@python.org>2014-02-04 23:29:48 (GMT)
committerChristian Heimes <christian@python.org>2014-02-04 23:29:48 (GMT)
commit25ff287dd7a8ed43b99433796f2d1dcf78efa878 (patch)
treef313edc91ec322c4ea9fd1e12c3afa9ba0d024fc /Modules/_tkinter.c
parent3b55f0c6226a1a1b56c661246dbbcce1bc2e3d76 (diff)
parentd33491ea76b3898d5fd0fe3ae75e73ea157a7186 (diff)
downloadcpython-25ff287dd7a8ed43b99433796f2d1dcf78efa878.zip
cpython-25ff287dd7a8ed43b99433796f2d1dcf78efa878.tar.gz
cpython-25ff287dd7a8ed43b99433796f2d1dcf78efa878.tar.bz2
Issue #20515: Fix NULL pointer dereference introduced by issue #20368
CID 1167595
Diffstat (limited to 'Modules/_tkinter.c')
-rw-r--r--Modules/_tkinter.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index d48fb17..af430fb 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -1397,6 +1397,9 @@ varname_converter(PyObject *in, void *_out)
if (PyUnicode_Check(in)) {
Py_ssize_t size;
s = PyUnicode_AsUTF8AndSize(in, &size);
+ if (s == NULL) {
+ return 0;
+ }
if (size > INT_MAX) {
PyErr_SetString(PyExc_OverflowError, "string is too long");
return 0;