From 69db0650d31f1ec2f17e6dcc695dbc378a8ba7f6 Mon Sep 17 00:00:00 2001
From: Yingxin Cheng <yingxin.cheng@intel.com>
Date: Tue, 25 May 2021 14:21:21 +0800
Subject: [PATCH] crimson/onode-staged-tree: fix an use-after-free issue in
 test

Signed-off-by: Yingxin Cheng <yingxin.cheng@intel.com>
---
 src/test/crimson/seastore/onode_tree/test_staged_fltree.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/test/crimson/seastore/onode_tree/test_staged_fltree.cc b/src/test/crimson/seastore/onode_tree/test_staged_fltree.cc
index 86c44c080404..250e1ddcd9aa 100644
--- a/src/test/crimson/seastore/onode_tree/test_staged_fltree.cc
+++ b/src/test/crimson/seastore/onode_tree/test_staged_fltree.cc
@@ -1076,8 +1076,9 @@ class DummyChildPool {
         p_keys = &left->impl->get_keys();
       }
       left->impl->reset(*p_keys, left_is_tail);
+      auto left_addr = left->impl->laddr();
       return left->parent_info().ptr->apply_children_merge<true>(
-          c, std::move(left), left->impl->laddr(), std::move(right), !stole_key);
+          c, std::move(left), left_addr, std::move(right), !stole_key);
     }
 
     DummyChildImpl* impl;
-- 
2.47.3