From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 15 Aug 2018 01:29:14 +0000 (+0800)
Subject: mds: check auth name before reclaiming session
X-Git-Tag: v14.0.1~80^2~1
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=0c0256ea2bd0d92e878126fa40f9df6fb52c5092;p=ceph-ci.git

mds: check auth name before reclaiming session

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 9dbd5924235..205b8bda8b8 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -346,6 +346,13 @@ void Server::reclaim_session(Session *session, const MClientReclaim::const_ref &
 
   Session* target = find_session_by_uuid(m->get_uuid());
   if (target) {
+    if (session->info.auth_name != target->info.auth_name) {
+      dout(10) << __func__ << " session auth_name " << session->info.auth_name
+	       << " != target auth_name " << target->info.auth_name << dendl;
+      reply->set_result(-EPERM);
+      mds->send_message_client(reply, session);
+    }
+
     assert(!target->reclaiming_from);
     assert(!session->reclaiming_from);
     session->reclaiming_from = target;