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-rw-r--r--Objects/unicodeobject.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 4ae7377..1375ef3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -2983,6 +2983,8 @@ _Py_normalize_encoding(const char *encoding,
char *l_end;
if (encoding == NULL) {
+ if (lower_len < 6)
+ return 0;
strcpy(lower, "utf-8");
return 1;
}