From 1ff38f34b4c4545eb28106629cafa1e0496bc726 Mon Sep 17 00:00:00 2001
From: Shchelkunov Artem <a.shchelkunov@ideco.ru>
Date: Wed, 11 Aug 2021 18:07:58 +0500
Subject: [PATCH] Fix memory leak in error path.

*info is allocated via xstrdup but was leaked in the PAM_AUTH_ERR path.
From github PR#266.
---
 auth-pam.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/auth-pam.c b/auth-pam.c
index f39d03f4b..29034e40d 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -886,6 +886,7 @@ sshpam_query(void *ctx, char **name, char **info,
 		case PAM_AUTH_ERR:
 			debug3("PAM: %s", pam_strerror(sshpam_handle, type));
 			if (**prompts != NULL && strlen(**prompts) != 0) {
+				free(*info);
 				*info = **prompts;
 				**prompts = NULL;
 				*num = 0;