Bug #36033: mon: valgrind leaks from rte_log_init() - Ceph - Ceph

Actions

Copy link

Bug #36033

closed

mon: valgrind leaks from rte_log_init()

Added by Casey Bodley over 5 years ago. Updated almost 3 years ago.

Status:

Closed

Priority:

Normal

Assignee:

Category:

Target version:

% Done:

Source:

Tags:

dpdk mon

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

The rgw suite is seeing a lot of these valgrind issues from ceph-mon:

<error>
  <unique>0x12</unique>
  <tid>1</tid>
  <kind>Leak_StillReachable</kind>
  <xwhat>
    <text>249 bytes in 29 blocks are still reachable in loss record 19 of 27</text>
    <leakedbytes>249</leakedbytes>
    <leakedblocks>29</leakedblocks>
  </xwhat>
  <stack>
    <frame>
      <ip>0x4C29C23</ip>
      <obj>/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so</obj>
      <fn>malloc</fn>
      <dir>/builddir/build/BUILD/valgrind-3.13.0/coregrind/m_replacemalloc</dir>
      <file>vg_replace_malloc.c</file>
      <line>299</line>
    </frame>
    <frame>
      <ip>0x117A0809</ip>
      <obj>/usr/lib64/libc-2.17.so</obj>
      <fn>strdup</fn>
    </frame>
    <frame>
      <ip>0x2A99C4</ip>
      <obj>/usr/bin/ceph-mon</obj>
      <fn>rte_log_init</fn>
    </frame>
    <frame>
      <ip>0x835DAC</ip>
      <obj>/usr/bin/ceph-mon</obj>
      <fn>__libc_csu_init</fn>
    </frame>
    <frame>
      <ip>0x117363D4</ip>
      <obj>/usr/lib64/libc-2.17.so</obj>
      <fn>(below main)</fn>
    </frame>
  </stack>
</error>

from http://pulpito.ceph.com/teuthology-2018-09-15_03:05:01-rgw-master-distro-basic-smithi/

They're coming from dpdk, presumably before main(), so I can only assume this is somehow related to linkage.