Bug #59741: crash: void MDCache::remove_inode(CInode*): assert(o->get_num_ref() == 0) - CephFS - Ceph

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Bug #59741

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crash: void MDCache::remove_inode(CInode*): assert(o->get_num_ref() == 0)

Added by Telemetry Bot 12 months ago. Updated 10 months ago.

Status:

New

Priority:

Normal

Assignee:

Jos Collin

Category:

Target version:

% Done:

Source:

Telemetry

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

Ceph - v16.2.5, Ceph - v17.2.5

ceph-qa-suite:

Component(FS):

Labels (FS):

Pull request ID:

Crash signature (v1):

1ed1c0746043cb953bc68341d9230224ebeb5e388f92f9d47f1c053950d8d8c3
ba9dcaa33a52a1f5f305b116f24497fc9cf45e3de5033f473b660ebeb417195e

Crash signature (v2):

f60159ef05cf6bfbf51c668869ceea1032fd7ddd1499df20783c00d13c0699c0

Description

http://telemetry.front.sepia.ceph.com:4000/d/jByk5HaMz/crash-spec-x-ray?orgId=1&var-sig_v2=f60159ef05cf6bfbf51c668869ceea1032fd7ddd1499df20783c00d13c0699c0

Assert condition: o->get_num_ref() == 0
Assert function: void MDCache::remove_inode(CInode*)

Sanitized backtrace:

    MDCache::remove_inode(CInode*)
    StrayManager::_purge_stray_logged(CDentry*, unsigned long, boost::intrusive_ptr<MutationImpl>&)
    MDSContext::complete(int)
    MDSIOContextBase::complete(int)
    MDSLogContextBase::complete(int)
    Finisher::finisher_thread_entry()

Crash dump sample:

{
    "archived": "2023-04-12 12:57:34.584346",
    "assert_condition": "o->get_num_ref() == 0",
    "assert_file": "mds/MDCache.cc",
    "assert_func": "void MDCache::remove_inode(CInode*)",
    "assert_line": 345,
    "assert_msg": "mds/MDCache.cc: In function 'void MDCache::remove_inode(CInode*)' thread 7f296c270700 time 2023-04-12T10:17:04.420262+0000\nmds/MDCache.cc: 345: FAILED ceph_assert(o->get_num_ref() == 0)",
    "assert_thread_name": "MR_Finisher",
    "backtrace": [
        "/lib64/libpthread.so.0(+0x12cf0) [0x7f2979eadcf0]",
        "gsignal()",
        "abort()",
        "(ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x18f) [0x7f297aeb3499]",
        "/usr/lib64/ceph/libceph-common.so.2(+0x269605) [0x7f297aeb3605]",
        "(MDCache::remove_inode(CInode*)+0x608) [0x55d39a24fec8]",
        "(StrayManager::_purge_stray_logged(CDentry*, unsigned long, boost::intrusive_ptr<MutationImpl>&)+0x18a) [0x55d39a3074da]",
        "(MDSContext::complete(int)+0x5f) [0x55d39a4826df]",
        "(MDSIOContextBase::complete(int)+0x534) [0x55d39a482e74]",
        "(MDSLogContextBase::complete(int)+0x45) [0x55d39a483225]",
        "(Finisher::finisher_thread_entry()+0x18d) [0x7f297af5178d]",
        "/lib64/libpthread.so.0(+0x81ca) [0x7f2979ea31ca]",
        "clone()" 
    ],
    "ceph_version": "17.2.5",
    "crash_id": "2023-04-12T10:17:04.425456Z_47258019-847d-4f77-b999-1f63e747a84b",
    "entity_name": "mds.b08583ef19f21bc9e11d9655d62ef20666b405b0",
    "os_id": "centos",
    "os_name": "CentOS Stream",
    "os_version": "8",
    "os_version_id": "8",
    "process_name": "ceph-mds",
    "stack_sig": "1ed1c0746043cb953bc68341d9230224ebeb5e388f92f9d47f1c053950d8d8c3",
    "timestamp": "2023-04-12T10:17:04.425456Z",
    "utsname_machine": "x86_64",
    "utsname_release": "4.18.0-425.10.1.el8_7.x86_64",
    "utsname_sysname": "Linux",
    "utsname_version": "#1 SMP Thu Jan 12 16:32:13 UTC 2023" 
}