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Bug #21274

closed

Client: if request gets aborted, its reference leaks

Added by Zheng Yan over 6 years ago. Updated over 6 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

/a/pdonnell-2017-09-06_15:30:20-fs-wip-pdonnell-testing-20170906-distro-basic-smithi/1601384/teuthology.log

log of crashed client
/a/pdonnell-2017-09-06_15:30:20-fs-wip-pdonnell-testing-20170906-distro-basic-smithi/1601384/remote/smithi100/log/ceph-client.guest.68356.log.gz

The reason is that client got backlisted while there is a pending request. No one cleaned up the request and the request held a reference to dentry. So client crashed on shutdown

/build/ceph-13.0.0-437-g3490d03/src/client/Client.cc: 337: FAILED assert(lru.lru_get_size() == 0)

 ceph version 13.0.0-437-g3490d03 (3490d03974d47fae7bd3846d2443cb7c5d7360cb) mimic (dev)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x102) [0xc165fc1812]
 2: (Client::tear_down_cache()+0x75a) [0xc165f1e40a]
 3: (Client::~Client()+0x53) [0xc165f56113]
 4: (StandaloneClient::~StandaloneClient()+0x9) [0xc165f566e9]
 5: (main()+0x8e1) [0xc165ecab81]
 6: (__libc_start_main()+0xf0) [0x7f3daaf46830]
 7: (_start()+0x29) [0xc165ed3739]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
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