From: zhuo li <lizhuo@chinatelecom.cn>
Date: Sun, 12 Jul 2020 09:31:20 +0000 (+0800)
Subject: rgwlc: fix Segmentation Fault related to tags.
X-Git-Tag: v14.2.11~58^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=d73a4e7839b80c2083e42fef0c66a4f74acfeacc;p=ceph.git

rgwlc: fix Segmentation Fault related to tags.

It is found that rgw crashes when putting a tag beyond the rule to the object, which can be solved by adding the return value judgment.

Fixes: https://tracker.ceph.com/issues/46485

Signed-off-by: zhuo li <lizhuo@chinatelecom.cn>
Signed-off-by: yupeng chen <chenyupeng@chinatelecom.cn>
(cherry picked from commit 5994ec12a7039f21b8f9e1077f2f721003de8cb6)

Conflicts:
	src/rgw/rgw_lc.cc
- automated cherry-pick failed due to post-nautilus refactoring:
  made the change manually
---

diff --git a/src/rgw/rgw_lc.cc b/src/rgw/rgw_lc.cc
index 438249a71b60f..9dd29627db98c 100644
--- a/src/rgw/rgw_lc.cc
+++ b/src/rgw/rgw_lc.cc
@@ -454,6 +454,8 @@ static inline bool has_all_tags(const lc_op& rule_action,
   for (const auto& tag : object_tags.get_tags()) {
     const auto& rule_tags = rule_action.obj_tags->get_tags();
     const auto& iter = rule_tags.find(tag.first);
+    if(iter == rule_tags.end())
+      continue;
     if(iter->second == tag.second)
     {
       tag_count++;