From: Daniel P. Berrangé <berrange@redhat.com>
Date: Mon, 12 Dec 2022 10:21:49 +0000 (-0500)
Subject: rpc: fix buffer offset updates after decoding payload
X-Git-Tag: v9.0.0-rc1~165
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8868cb2f7c3bed0caaaeeca3cd49b6be85675841;p=thirdparty%2Flibvirt.git

rpc: fix buffer offset updates after decoding payload

The buffer length refers to the allocated buffer memory size,
while the offset refers to have much of the buffer we have
read/written. After reading the message payload we must thus
update the latter.

Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---

diff --git a/src/rpc/virnetmessage.c b/src/rpc/virnetmessage.c
index ceba1a5a8e..438c75b049 100644
--- a/src/rpc/virnetmessage.c
+++ b/src/rpc/virnetmessage.c
@@ -423,7 +423,7 @@ int virNetMessageDecodePayload(virNetMessage *msg,
     }
 
     /* Get the length stored in buffer. */
-    msg->bufferLength += xdr_getpos(&xdr);
+    msg->bufferOffset += xdr_getpos(&xdr);
     xdr_destroy(&xdr);
     return 0;