From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Sat, 18 Jul 2026 14:27:24 +0000 (+0000)
Subject: patch 9.2.0799: Memory leak in compile_def_function_body() on alloc failure
X-Git-Tag: v9.2.0799^0
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=304ccd74a502322ab8a01f8e62a595b93d6b9e6b;p=thirdparty%2Fvim.git

patch 9.2.0799: Memory leak in compile_def_function_body() on alloc failure

Problem:  Memory leak in compile_def_function_body() on alloc failure
Solution: Call vim_free with the line var (Yasuhiro Matsumoto).

related: #20668
related: #20745

Signed-off-by: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---

diff --git a/src/version.c b/src/version.c
index b3d1e6aed7..0c85088f49 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    799,
 /**/
     798,
 /**/
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 3b1b9e9ef8..65d7580f90 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4319,7 +4319,10 @@ compile_def_function_body(
 	    {
 		line = vim_strsave(line);
 		if (ga_add_string(lines_to_free, line) == FAIL)
+		{
+		    vim_free(line);
 		    return FAIL;
+		}
 	    }
 	}