From: John Spray <john.spray@redhat.com>
Date: Thu, 20 Oct 2016 14:14:07 +0000 (+0100)
Subject: include/fs_types: fix crash in inodeno_t encode
X-Git-Tag: v11.1.0~568^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=9863d79a994d7c84d25e7c31e204bf4cbd747f79;p=ceph.git

include/fs_types: fix crash in inodeno_t encode

Passing by value tries to copy from a null and segfaults.

Fixes: http://tracker.ceph.com/issues/17636
Signed-off-by: John Spray <john.spray@redhat.com>
---

diff --git a/src/include/fs_types.h b/src/include/fs_types.h
index c5c4572a8f75..3a76cc2e6970 100644
--- a/src/include/fs_types.h
+++ b/src/include/fs_types.h
@@ -33,7 +33,7 @@ struct denc_traits<inodeno_t> {
   enum { supported = 2 };
   enum { featured = false };
   enum { bounded = true };
-  static void bound_encode(const inodeno_t o, size_t& p) {
+  static void bound_encode(const inodeno_t &o, size_t& p) {
     denc(o.val, p);
   }
   static void encode(const inodeno_t &o, buffer::list::contiguous_appender& p) {