Bug #20338: mem leak in Journaler::_issue_read() in ceph-mds - CephFS - Ceph

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Bug #20338

closed

mem leak in Journaler::_issue_read() in ceph-mds

Added by Kefu Chai almost 7 years ago. Updated almost 7 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Category:

Target version:

% Done:

Source:

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Component(FS):

Labels (FS):

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

<error>
  <unique>0x24f</unique>
  <tid>1</tid>
  <threadname>ceph-mds</threadname>
  <kind>Leak_DefinitelyLost</kind>
  <xwhat>
    <text>27,232 bytes in 1,702 blocks are definitely lost in loss record 592 of 604</text>
    <leakedbytes>27232</leakedbytes>
    <leakedblocks>1702</leakedblocks>
  </xwhat>
  <stack>
    <frame>
      <ip>0x9C6919F</ip>
      <obj>/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so</obj>
      <fn>operator new(unsigned long)</fn>
    </frame>
    <frame>
      <ip>0x643416</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Journaler::_issue_read(unsigned long)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/osdc</dir>
      <file>Journaler.cc</file>
      <line>977</line>
    </frame>
    <frame>
      <ip>0x6439D6</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Journaler::_prefetch()</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/osdc</dir>
      <file>Journaler.cc</file>
      <line>1057</line>
    </frame>
    <frame>
      <ip>0x384768</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Context::complete(int)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/include</dir>
      <file>Context.h</file>
      <line>70</line>
    </frame>
    <frame>
      <ip>0x64634A</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>void finish_contexts&lt;Context&gt;(CephContext*, std::__cxx11::list&lt;Context*, std::allocator&lt;Context*&gt; &gt;&amp;, int)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/include</dir>
      <file>Context.h</file>
      <line>156</line>
    </frame>
    <frame>
      <ip>0x63C701</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Journaler::_finish_flush(int, unsigned long, std::chrono::time_point&lt;ceph::time_detail::real_clock, std::chrono::duration&lt;unsigned long, std::ratio&lt;1l, 1000000000l&gt; &gt; &gt;)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/osdc</dir>
      <file>Journaler.cc</file>
      <line>532</line>
    </frame>
    <frame>
      <ip>0x384768</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Context::complete(int)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/include</dir>
      <file>Context.h</file>
      <line>70</line>
    </frame>
    <frame>
      <ip>0x6D09BF</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Context::complete(int)</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/include</dir>
      <file>Context.h</file>
      <line>70</line>
    </frame>
    <frame>
      <ip>0x6D09BF</ip>
      <obj>/usr/bin/ceph-mds</obj>
      <fn>Finisher::finisher_thread_entry()</fn>
      <dir>/build/ceph-12.0.3-1841-g8e4665d/src/common</dir>
      <file>Finisher.cc</file>
      <line>72</line>
    </frame>
    <frame>
      <ip>0xAA28709</ip>
      <obj>/lib/x86_64-linux-gnu/libpthread-2.23.so</obj>
      <fn>start_thread</fn>
      <dir>/build/glibc-Qz8a69/glibc-2.23/nptl</dir>
      <file>pthread_create.c</file>
      <line>333</line>
    </frame>
    <frame>
      <ip>0xBA0E82C</ip>
      <obj>/lib/x86_64-linux-gnu/libc-2.23.so</obj>
      <fn>clone</fn>
      <dir>/build/glibc-Qz8a69/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64</dir>
      <file>clone.S</file>
      <line>109</line>
    </frame>
  </stack>
</error>