From dbdd16b62560413abcc3c8e893cc3010ccf31666 Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Sun, 14 Aug 2022 21:46:07 +0100 Subject: patch 9.0.0212: invalid memory access when compiling :unlet Problem: Invalid memory access when compiling :unlet. Solution: Don't read past the end of the line. --- src/vim9cmds.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/vim9cmds.c') diff --git a/src/vim9cmds.c b/src/vim9cmds.c index 35a382138..93032d6bf 100644 --- a/src/vim9cmds.c +++ b/src/vim9cmds.c @@ -92,6 +92,12 @@ free_locals(cctx_T *cctx) int check_vim9_unlet(char_u *name) { + if (*name == NUL) + { + semsg(_(e_argument_required_for_str), "unlet"); + return FAIL; + } + if (name[1] != ':' || vim_strchr((char_u *)"gwtb", *name) == NULL) { // "unlet s:var" is allowed in legacy script. -- cgit v1.2.1