[Bug 1871487] Re: anon_inode:[eventfd] leaked on vgs invocation inside lxd container

[Stéphane Graber]

Ok, can you post the output of "ls -lh /proc/PID/fd/" where PID is the
PID of the "lxd --logfile ..." process and the PID of the "daemon.start"
script (lxd's parent process)?

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Title:
  anon_inode:[eventfd] leaked on vgs invocation inside lxd container

Status in lvm2 package in Ubuntu:
  Invalid
Status in lxd package in Ubuntu:
  Incomplete

Bug description:
  Steps to reproduce:

  $ lxc launch ubuntu-daily:f reproducer
  $ lxc shell reproducer
  $ vgs

  Expected behaviour:

    No output (the behaviour on an EC2 instance with no VGs).

  Actual behaviour:

    Outputs "File descriptor 25 (anon_inode:[eventfd]) leaked on vgs
  invocation. Parent PID 283: -bash"

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: lvm2 2.03.07-1ubuntu1
  ProcVersionSignature: Ubuntu 5.0.0-1028.29~18.04.1-gcp 5.0.21
  Uname: Linux 5.0.0-1028-gcp x86_64
  NonfreeKernelModules: lkp_Ubuntu_5_0_0_1028_29_gcp_65 lkp_Ubuntu_5_0_0_1028_29_gcp_64 nf_tables lkp_Ubuntu_5_0_0_1028_29_gcp_63 ebtable_filter ebtables ufs msdos xfs binfmt_misc veth ip6t_MASQUERADE ip6table_nat nf_nat_ipv6 ipt_MASQUERADE xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat_ipv4 nf_nat iptable_mangle bridge stp llc zfs zunicode zavl icp zcommon znvpair spl ip6table_filter ip6_tables iptable_filter bpfilter nls_iso8859_1 input_leds serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 crypto_simd cryptd glue_helper virtio_net net_failover failover psmouse
  ApportVersion: 2.20.11-0ubuntu24
  Architecture: amd64
  Date: Tue Apr  7 20:19:14 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: lvm2
  UpgradeStatus: No upgrade log present (probably fresh install)

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