From 9eaa7a63945f6775a8c1850e9af96be30992a5c0 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Mon, 13 Jan 2025 14:16:54 +0100
Subject: [PATCH] sftp: Avoid memory leaks from extended attributes

Thanks coverity CID 1589433

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/sftp_common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sftp_common.c b/src/sftp_common.c
index 9116cfe1..71245e61 100644
--- a/src/sftp_common.c
+++ b/src/sftp_common.c
@@ -418,6 +418,9 @@ static sftp_attributes sftp_parse_attr_4(sftp_session sftp,
                    (attr->extended_type = ssh_buffer_get_ssh_string(buf)) &&
                    (attr->extended_data = ssh_buffer_get_ssh_string(buf))) {
                 attr->extended_count--;
+                /* just ignore the extensions -- we can't interpret them */
+                SSH_STRING_FREE(attr->extended_type);
+                SSH_STRING_FREE(attr->extended_data);
             }
 
             if (attr->extended_count) {