From edaf6205a3a58e09bf31b7ebd73d8fc470e96e07 Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Thu, 24 Sep 2020 16:15:44 +0100
Subject: [PATCH] util/vhost-user-server: check EOF when reading payload
Unexpected EOF is an error that must be reported.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20200924151549.913737-9-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
util/vhost-user-server.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/util/vhost-user-server.c b/util/vhost-user-server.c
index a7b7a9897f..981908fef0 100644
--- a/util/vhost-user-server.c
+++ b/util/vhost-user-server.c
@@ -169,8 +169,10 @@ vu_message_read(VuDev *vu_dev, int conn_fd, VhostUserMsg *vmsg)
};
if (vmsg->size) {
rc = qio_channel_readv_all_eof(ioc, &iov_payload, 1, &local_err);
- if (rc == -1) {
- error_report_err(local_err);
+ if (rc != 1) {
+ if (local_err) {
+ error_report_err(local_err);
+ }
goto fail;
}
}