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Bug #56830

crash: cephfs::mirror::PeerReplayer::pick_directory()

Added by Telemetry Bot 4 months ago. Updated 4 months ago.

Status:
New
Priority:
Normal
Category:
Correctness/Safety
Target version:
% Done:

0%

Source:
Telemetry
Tags:
Backport:
pacific,quincy
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
cephfs-mirror, mgr/mirroring
Labels (FS):
crash
Pull request ID:
Crash signature (v1):

3dcea1d9286cb3e9672e269bbce51783268dd21af2356f1cb2fba3a7c666fe1a


Description

http://telemetry.front.sepia.ceph.com:4000/d/jByk5HaMz/crash-spec-x-ray?orgId=1&var-sig_v2=d6f26d40363a53f0bed9a466dc262bb7e12ae4202af3300262e83f593a87af79

Sanitized backtrace:

    cephfs::mirror::PeerReplayer::pick_directory()
    cephfs::mirror::PeerReplayer::run(cephfs::mirror::PeerReplayer::SnapshotReplayerThread*)
    cephfs::mirror::PeerReplayer::SnapshotReplayerThread::entry()

Crash dump sample:
{
    "backtrace": [
        "/lib64/libpthread.so.0(+0x12ce0) [0x7f56d4ec6ce0]",
        "gsignal()",
        "abort()",
        "/lib64/libstdc++.so.6(+0x9009b) [0x7f56d40c109b]",
        "/lib64/libstdc++.so.6(+0x9653c) [0x7f56d40c753c]",
        "/lib64/libstdc++.so.6(+0x96597) [0x7f56d40c7597]",
        "/lib64/libstdc++.so.6(+0x967f8) [0x7f56d40c77f8]",
        "/lib64/libstdc++.so.6(+0x9204b) [0x7f56d40c304b]",
        "(cephfs::mirror::PeerReplayer::pick_directory[abi:cxx11]()+0x4b1) [0x559df4857ed1]",
        "(cephfs::mirror::PeerReplayer::run(cephfs::mirror::PeerReplayer::SnapshotReplayerThread*)+0x57b) [0x559df486b70b]",
        "(cephfs::mirror::PeerReplayer::SnapshotReplayerThread::entry()+0x14) [0x559df4871224]",
        "/lib64/libpthread.so.0(+0x81ca) [0x7f56d4ebc1ca]",
        "clone()" 
    ],
    "ceph_version": "17.2.1",
    "crash_id": "2022-07-04T06:16:43.280098Z_9bbad5d1-d329-45fa-809a-cca469a1304c",
    "entity_name": "client.7569faf8458207653cfd1218614297ed3448f79b",
    "os_id": "centos",
    "os_name": "CentOS Stream",
    "os_version": "8",
    "os_version_id": "8",
    "process_name": "cephfs-mirror",
    "stack_sig": "3dcea1d9286cb3e9672e269bbce51783268dd21af2356f1cb2fba3a7c666fe1a",
    "timestamp": "2022-07-04T06:16:43.280098Z",
    "utsname_machine": "x86_64",
    "utsname_release": "3.10.0-1160.42.2.el7.x86_64",
    "utsname_sysname": "Linux",
    "utsname_version": "#1 SMP Tue Sep 7 14:49:57 UTC 2021" 
}

History

#1 Updated by Telemetry Bot 4 months ago

  • Crash signature (v1) updated (diff)
  • Crash signature (v2) updated (diff)
  • Affected Versions v17.2.1 added

#2 Updated by Venky Shankar 4 months ago

  • Category set to Correctness/Safety
  • Assignee set to Dhairya Parmar
  • Target version set to v18.0.0
  • Backport set to pacific,quincy
  • Component(FS) cephfs-mirror, mgr/mirroring added
  • Labels (FS) crash added

Dhairya,

Please take a look at this. I think there is some sort of race that is causing this crash while iterating the directory list in cephfs-mirror daemon.

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