Pablo Galindo Salgado <[email protected]> added the comment:
Correcting my previous post (deleted):
You can get an assert failure without ASAN with this patch:
diff --git a/Parser/pegen.c b/Parser/pegen.c
index e29910bf86..65fa44921f 100644
--- a/Parser/pegen.c
+++ b/Parser/pegen.c
@@ -145,6 +145,9 @@ byte_offset_to_character_offset(PyObject *line, int
col_offset)
if (!str) {
return 0;
}
+ assert(col_offset <= PyUnicode_GET_LENGTH(line));
PyObject *text = PyUnicode_DecodeUTF8(str, col_offset, "replace");
if (!text) {
return 0;
----------
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<https://bugs.python.org/issue40958>
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