commit 3b318513561b5862944769188ae4af6b70311838
author Bram Moolenaar <Bram@vim.org> Mon Sep 06 19:19:45 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Mon Sep 06 19:19:45 2021 +0200
tree c2cc892b4c5fffd392f47676e87fcb66fe834b1d
parent 3ae5fc9a6a881e0be381e4cc70080ac5908d7520

patch 8.2.3407: using uninitialized memory with "let g:['bar'] = 2"

Problem:    Using uninitialized memory with "let g:['bar'] = 2".
Solution:   Initialize v_type of a new dict item.

src/dict.c

diff --git a/src/dict.c b/src/dict.c
index dca0b9f..aa3c611 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -229,6 +229,7 @@
 	STRCPY(di->di_key, key);
 	di->di_flags = DI_FLAGS_ALLOC;
 	di->di_tv.v_lock = 0;
+	di->di_tv.v_type = VAR_UNKNOWN;
     }
     return di;
 }