From: Sage Weil <sage@newdream.net>
Date: Wed, 8 Sep 2010 22:38:11 +0000 (-0700)
Subject: mds: fix use-after-free
X-Git-Tag: v0.21.3~33
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=717f458e2374e9099fe855823482f13bc5d6b1de;p=ceph.git

mds: fix use-after-free

We copied the name, but forgot to use it.
---

diff --git a/src/mds/SessionMap.cc b/src/mds/SessionMap.cc
index 51f12f3f1566..9ffcb240ed58 100644
--- a/src/mds/SessionMap.cc
+++ b/src/mds/SessionMap.cc
@@ -203,7 +203,7 @@ void SessionMap::decode(bufferlist::iterator& p)
 	dout(10) << " already had session for " << s->inst.name << ", recovering" << dendl;
 	entity_name_t n = s->inst.name;
 	delete s;
-	s = session_map[s->inst.name];
+	s = session_map[n];
 	p = p2;
 	s->decode(p);
       } else {