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authorDong-hee Na <donghee.na@python.org>2021-10-11 11:08:38 (GMT)
committerGitHub <noreply@github.com>2021-10-11 11:08:38 (GMT)
commit560a79f94e94de66a18f2a5e4194c2fe51e2adf1 (patch)
tree0e59dd124930ecfc00fc8a8a171be54f310c78ed /Python
parentab62051152cb24470056ffaeb9107c8b4311375e (diff)
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Handle error when PyUnicode_GetLength returns a negative value. (GH-28859)
Diffstat (limited to 'Python')
-rw-r--r--Python/importdl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Python/importdl.c b/Python/importdl.c
index 27ffc64..3d9cd1a 100644
--- a/Python/importdl.c
+++ b/Python/importdl.c
@@ -42,6 +42,9 @@ get_encoded_name(PyObject *name, const char **hook_prefix) {
/* Get the short name (substring after last dot) */
name_len = PyUnicode_GetLength(name);
+ if (name_len < 0) {
+ return NULL;
+ }
lastdot = PyUnicode_FindChar(name, '.', 0, name_len, -1);
if (lastdot < -1) {
return NULL;