From: Bingyin Zhang <zhangbingyin@cloudin.cn>
Date: Tue, 26 Dec 2017 09:06:44 +0000 (+0800)
Subject: rgw: put bucket policy panics RGW process
X-Git-Tag: v12.2.3~203^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=9db61c8b14a915c8f99dfe896610a2431f277f68;p=ceph.git

rgw: put bucket policy panics RGW process

Fixes: http://tracker.ceph.com/issues/22541
Signed-off-by: Bingyin Zhang <zhangbingyin@cloudin.cn>
(cherry picked from commit f05a044cad18c16ebc2c9a177f38b4bdc76cfd66)
---

diff --git a/src/rgw/rgw_iam_policy.cc b/src/rgw/rgw_iam_policy.cc
index cff4fa493351..f8ef3af7996b 100644
--- a/src/rgw/rgw_iam_policy.cc
+++ b/src/rgw/rgw_iam_policy.cc
@@ -809,7 +809,7 @@ bool ParseState::do_string(CephContext* cct, const char* s, size_t l) {
 
   } else if (w->id == TokenID::Sid) {
     t->sid.emplace(s, l);
-  } else if ((w->id == TokenID::Effect) &&
+  } else if ((w->id == TokenID::Effect) && k &&
 	     k->kind == TokenKind::effect_key) {
     t->effect = static_cast<Effect>(k->specific);
   } else if (w->id == TokenID::Principal && s && *s == '*') {