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Bug #49972
closedmds: failed to decode message of type 29 v1: void CapInfoPayload::decode
Status:
Resolved
Priority:
Urgent
Assignee:
Category:
Correctness/Safety
Target version:
% Done:
0%
Source:
Community (dev)
Tags:
Backport:
pacific
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
qa-failure
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
This was seen in pacific backport branch: https://pulpito.ceph.com/vshankar-2021-03-25_05:53:38-fs-wip-cephfs-mirror-pacific-backport-2-20210325-093706-distro-basic-smithi/5997033/
(Not sure if we hit this in master)
Basically, CapInfoPayload message from client to the MDS (mds.c) fails decode:
2021-03-25T06:25:13.694+0000 7fad52b3c700 1 -- [v2:172.21.15.16:6836/2167551815,v1:172.21.15.16:6837/2167551815] --> [v2:172.21.15.16:3300/0,v1:172.21.15.16:6789/0] -- mon_subscribe({osdmap=83}) v3 -- 0x55e8dfe85d40 con 0x55e8df14e800
2021-03-25T06:25:13.938+0000 7fad50337700 10 mds.pinger is_rank_lagging: rank=0
2021-03-25T06:25:13.938+0000 7fad50337700 1 -- [v2:172.21.15.16:6836/2167551815,v1:172.21.15.16:6837/2167551815] --> [v2:172.21.15.16:6832/16896,v1:172.21.15.16:6833/16896] -- mgrreport(unknown.c +0-0 packed 1494) v9 -- 0x55e8dff12380 con 0x55e8df14f800
2021-03-25T06:25:13.966+0000 7fad55341700 -1 failed to decode message of type 29 v1: void CapInfoPayload::decode(ceph::buffer::v15_2_0::list::const_iterator&) decode past end of struct encoding: Malformed input
2021-03-25T06:25:13.966+0000 7fad55341700 1 dump:
00000000 08 00 00 00 00 00 00 00 01 01 18 00 00 00 03 00 |................|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 |................|
00000020 00 00 00 00 00 00 01 00 00 00 01 01 08 00 00 00 |................|
00000030 00 00 00 00 00 00 00 00 02 00 00 00 01 01 08 00 |................|
00000040 00 00 00 00 00 00 00 00 00 00 03 00 00 00 01 01 |................|
00000050 08 00 00 00 fa 99 00 00 00 b5 5b 12 04 00 00 00 |..........[.....|
00000060 01 01 18 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000070 00 00 00 00 00 00 01 00 00 00 00 00 00 00 05 00 |................|
00000080 00 00 01 01 10 00 00 00 00 00 00 00 00 00 00 00 |................|
00000090 01 00 00 00 00 00 00 00 06 00 00 00 01 01 10 00 |................|
000000a0 00 00 01 00 00 00 00 00 00 00 01 00 00 00 00 00 |................|
000000b0 00 00 07 00 00 00 01 01 10 00 00 00 00 00 00 00 |................|
000000c0 00 00 00 00 01 00 00 00 00 00 00 00 |............|
000000cc
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