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Backport #20088

Updated by Nathan Cutler over 2 years ago

https://github.com/ceph/ceph/pull/15382 similar leak report on RGWReadRemoteMDLogShardInfoCR as well

<pre>
<error>
<unique>0xc2</unique>
<tid>1</tid>
<kind>Leak_DefinitelyLost</kind>
<xwhat>
<text>3,196,292 (51,600 direct, 3,144,692 indirect) bytes in 43 blocks are definitely lost in loss record 195 of 203</text>
<leakedbytes>3196292</leakedbytes>
<leakedblocks>43</leakedblocks>
</xwhat>
<stack>
<frame>
<ip>0x4C2B0E0</ip>
<obj>/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so</obj>
<fn>operator new(unsigned long)</fn>
</frame>
<frame>
<ip>0x51AE1E6</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWReadRemoteMetadataCR::operate()</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_sync.cc</file>
<line>938</line>
</frame>
<frame>
<ip>0x510DECA</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWCoroutinesStack::operate(RGWCoroutinesEnv*)</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_coroutine.cc</file>
<line>184</line>
</frame>
<frame>
<ip>0x51107C9</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWCoroutinesManager::run(std::list&lt;RGWCoroutinesStack*, std::allocator&lt;RGWCoroutinesStack*&gt; &gt;&amp;)</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_coroutine.cc</file>
<line>474</line>
</frame>
<frame>
<ip>0x51112DC</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWCoroutinesManager::run(RGWCoroutine*)</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_coroutine.cc</file>
<line>600</line>
</frame>
<frame>
<ip>0x51A8AC2</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWRemoteMetaLog::run_sync()</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_sync.cc</file>
<line>2006</line>
</frame>
<frame>
<ip>0x528136C</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>run</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_sync.h</file>
<line>278</line>
</frame>
<frame>
<ip>0x528136C</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWMetaSyncProcessorThread::process()</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_rados.cc</file>
<line>2964</line>
</frame>
<frame>
<ip>0x5225230</ip>
<obj>/usr/lib/librgw.so.2.0.0</obj>
<fn>RGWRadosThread::Worker::entry()</fn>
<dir>/build/ceph-10.2.7-312-g8a7442e/src/rgw</dir>
<file>rgw_rados.cc</file>
<line>2821</line>
</frame>
<frame>
<ip>0xF0F2183</ip>
<obj>/lib/x86_64-linux-gnu/libpthread-2.19.so</obj>
<fn>start_thread</fn>
<dir>/build/eglibc-oGUzwX/eglibc-2.19/nptl</dir>
<file>pthread_create.c</file>
<line>312</line>
</frame>
<frame>
<ip>0xF91C37C</ip>
<obj>/lib/x86_64-linux-gnu/libc-2.19.so</obj>
<fn>clone</fn>
<dir>/build/eglibc-oGUzwX/eglibc-2.19/misc/../sysdeps/unix/sysv/linux/x86_64</dir>
<file>clone.S</file>
<line>111</line>
</frame>
</stack>
</error>
</pre>

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