patch 9.0.0046: reading past end of completion with duplicate match Commit: https://github.com/vim/vim/commit/baefde14550231f6468ac2ed2ed495bc381c0c92 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 7 19:59:49 2022 +0100 patch 9.0.0046: reading past end of completion with duplicate match Problem: Reading past end of completion with duplicate match. Solution: Check string length

--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -786,7 +786,8 @@ ins_compl_add(
 	{
 	    if (!match_at_original_text(match)
 		    && STRNCMP(match->cp_str, str, len) == 0
-		    && match->cp_str[len] == NUL)
+		    && ((int)STRLEN(match->cp_str) <= len
+						 || match->cp_str[len] == NUL))
 		return NOTDONE;
 	    match = match->cp_next;
 	} while (match != NULL && !is_first_match(match));