[ovs-dev] [PATCH] ofp-util: Avoid use-after-free error in ofputil_append_meter_config()

[Ben Pfaff]

Reported-by: weizj <334965317 at qq.com>
Reported-at: https://github.com/openvswitch/ovs/pull/97
Signed-off-by: Ben Pfaff <blp at ovn.org>
---
 AUTHORS        | 1 +
 lib/ofp-util.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/AUTHORS b/AUTHORS
index c5c9d51..cc1673c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -413,6 +413,7 @@ kk yap                  yapkke at stanford.edu
 likunyun                kunyunli at hotmail.com
 neeraj mehta            mehtaneeraj07 at gmail.com
 rahim entezari          rahim.entezari at gmail.com
+weizj                   34965317 at qq.com
 俊 赵                    zhaojun12 at outlook.com
 冯全树(Crab)            fqs888 at 126.com
 胡靖飞                  hujingfei914 at msn.com
diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index d7e9ccc..31f9e93 100644
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -2039,6 +2039,7 @@ ofputil_append_meter_config(struct ovs_list *replies,
 
     ofputil_put_bands(mc->n_bands, mc->bands, msg);
 
+    reply = ofpbuf_at_assert(msg, start_ofs, sizeof *reply);
     reply->length = htons(msg->size - start_ofs);
 
     ofpmp_postappend(replies, start_ofs);
-- 
2.1.3