Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
when decode astral characters.
diff --git a/Misc/NEWS b/Misc/NEWS
index 07d1b21..39ca049 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
Core and Builtins
-----------------
+- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
+ when decode astral characters. Patch by Xiang Zhang.
+
- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
build.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 7fad695..ee6eac3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -4856,7 +4856,7 @@
#if SIZEOF_WCHAR_T == 4
assert(0);
#else
- assert(Py_UNICODE_IS_SURROGATE(ch));
+ assert(ch > 0xFFFF && ch <= MAX_UNICODE);
/* compute and append the two surrogates: */
unicode[outpos++] = (wchar_t)Py_UNICODE_HIGH_SURROGATE(ch);
unicode[outpos++] = (wchar_t)Py_UNICODE_LOW_SURROGATE(ch);