diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index 0f894d09157b..975f1fa153fd 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -1834,6 +1834,12 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 	ctx->password = NULL;
 	kfree_sensitive(ctx->password2);
 	ctx->password2 = NULL;
+	kfree(ctx->source);
+	ctx->source = NULL;
+	if (fc) {
+		kfree(fc->source);
+		fc->source = NULL;
+	}
 	return -EINVAL;
 }