Ceph

valgrind reports:

  <kind>InvalidRead</kind>
  <what>Invalid read of size 8</what>
  <stack>
    <frame>
      <ip>0x58F430</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>operator()</fn>
      <dir>/usr/src/debug/ceph-12.0.1-1252-gfc32356/src/osd</dir>
      <file>OSD.cc</file>
      <line>2386</line>
    </frame>
    <frame>
      <ip>0x58F430</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>std::_Function_handler&lt;MPGStats* (), OSD::init()::{lambda()#1}&gt;::_M_invoke(std::_Any_data const&amp;)</fn>
      <dir>/usr/include/c++/4.8.2</dir>
      <file>functional</file>
      <line>2057</line>
    </frame>
    <frame>
      <ip>0xB1A11E</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>operator()</fn>
      <dir>/usr/include/c++/4.8.2</dir>
      <file>functional</file>
      <line>2471</line>
    </frame>
    <frame>
      <ip>0xB1A11E</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>MgrClient::send_report()</fn>
      <dir>/usr/src/debug/ceph-12.0.1-1252-gfc32356/src/mgr</dir>
      <file>MgrClient.cc</file>
      <line>260</line>
    </frame>
    <frame>
      <ip>0x74D2E9</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>operator()</fn>
      <dir>/usr/src/debug/ceph-12.0.1-1252-gfc32356/build/boost/include/boost/function</dir>
      <file>function_template.hpp</file>
      <line>771</line>
    </frame>
    <frame>
      <ip>0x74D2E9</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>FunctionContext::finish(int)</fn>
      <dir>/usr/src/debug/ceph-12.0.1-1252-gfc32356/src/include</dir>
      <file>Context.h</file>
      <line>489</line>
    </frame>
    <frame>
      <ip>0x5CF0C8</ip>
      <obj>/usr/bin/ceph-osd</obj>
      <fn>Context::complete(int)</fn>
      <dir>/usr/src/debug/ceph-12.0.1-1252-gfc32356/src/include</dir>
      <file>Context.h</file>
      <line>70</line>
    </frame>
...

on /a/sage-2017-04-21_02:10:47-rados-wip-sage-testing2---basic-smithi/1050968