From: Bram Moolenaar <Bram@vim.org>
Date: Fri, 18 Feb 2022 13:24:52 +0000 (+0000)
Subject: patch 8.2.4413: Vim9: Coverity warns for using NULL pointer
X-Git-Tag: v8.2.4413
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56acd1f8ed4d86e92684f90b3b8e0e9a355208d1;p=thirdparty%2Fvim.git

patch 8.2.4413: Vim9: Coverity warns for using NULL pointer

Problem:    Vim9: Coverity warns for using NULL pointer.
Solution:   Give an internal error when funcref function can't be found.
---

diff --git a/src/version.c b/src/version.c
index 9db5ad3b04..cbe988b1cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4413,
 /**/
     4412,
 /**/
diff --git a/src/vim9execute.c b/src/vim9execute.c
index d2c7d5daa8..3c23ad4110 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -3553,6 +3553,12 @@ exec_instructions(ectx_T *ectx)
 		    {
 			ufunc = find_func(funcref->fr_func_name, FALSE);
 		    }
+		    if (ufunc == NULL)
+		    {
+			SOURCING_LNUM = iptr->isn_lnum;
+			iemsg("ufunc unexpectedly NULL for FUNCREF");
+			goto theend;
+		    }
 		    if (fill_partial_and_closure(pt, ufunc, ectx) == FAIL)
 			goto theend;
 		    tv = STACK_TV_BOT(0);