From a4c0119786daba999c7f74be5ef2f3363e137af5 Mon Sep 17 00:00:00 2001
From: Huihui Huang <625173@qq.com>
Date: Wed, 25 Mar 2026 19:11:13 +0000
Subject: [PATCH] patch 9.2.0242: memory leak in check_for_cryptkey()

Problem:  memory leak in check_for_cryptkey()
Solution: Free cryptkey if it had been allocated
          (Huihui Huang)

closes: #19821

Signed-off-by: Huihui Huang <625173@qq.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---
 src/fileio.c  | 4 ++++
 src/version.c | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/src/fileio.c b/src/fileio.c
index 8917a7e291..e057b78adb 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -3074,8 +3074,12 @@ check_for_cryptkey(
 
 	    header_len = crypt_get_header_len(method);
 	    if (*sizep < header_len)
+	    {
 		// invalid header, buffer can't be encrypted
+		if (cryptkey != curbuf->b_p_key)
+		    vim_free(cryptkey);
 		return NULL;
+	    }
 
 	    curbuf->b_cryptstate = crypt_create_from_header(
 							method, cryptkey, ptr);
diff --git a/src/version.c b/src/version.c
index 9bf8c84172..003ddcacb3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    242,
 /**/
     241,
 /**/