From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 21 Nov 2020 10:45:50 +0000 (+0100)
Subject: patch 8.2.2023: Vim: memory leak when :execute fails
X-Git-Tag: v8.2.2023
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c71ee829efa948eefec3b8f0dbacf172fc1a4992;p=vim

patch 8.2.2023: Vim: memory leak when :execute fails

Problem:    Vim: memory leak when :execute fails.
Solution:   Clear the growarray.
---

diff --git a/src/version.c b/src/version.c
index 303ecb3ee..5996bd67f 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 */
+/**/
+    2023,
 /**/
     2022,
 /**/
diff --git a/src/vim9execute.c b/src/vim9execute.c
index eca99f3aa..f15424907 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -1200,7 +1200,10 @@ call_def_function(
 		    }
 		    ectx.ec_stack.ga_len -= count;
 		    if (failed)
+		    {
+			ga_clear(&ga);
 			goto on_error;
+		    }
 
 		    if (ga.ga_data != NULL)
 		    {
@@ -1209,7 +1212,10 @@ call_def_function(
 			    SOURCING_LNUM = iptr->isn_lnum;
 			    do_cmdline_cmd((char_u *)ga.ga_data);
 			    if (did_emsg)
+			    {
+				ga_clear(&ga);
 				goto on_error;
+			    }
 			}
 			else
 			{