From dfbed44b3e427d87dd5d91978e334f14de9f526a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Kuzn=C3=ADk?= <okuznik@symas.com>
Date: Tue, 19 Nov 2019 18:21:55 +0000
Subject: [PATCH] Do not accept requests with msgid == 0

It is used internally to identify pinned operations and should not be
encountered over the wire.
---
 servers/lloadd/operation.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/servers/lloadd/operation.c b/servers/lloadd/operation.c
index f959701c44..0fdc1f4c40 100644
--- a/servers/lloadd/operation.c
+++ b/servers/lloadd/operation.c
@@ -146,6 +146,10 @@ operation_init( LloadConnection *c, BerElement *ber )
         goto fail;
     }
 
+    if ( !op->o_client_msgid ) {
+        goto fail;
+    }
+
     CONNECTION_ASSERT_LOCKED(c);
     rc = tavl_insert( &c->c_ops, op, operation_client_cmp, avl_dup_error );
     if ( rc ) {