[Pkg-zfsonlinux-devel] Bug#867034: zfsutils-linux: ls -l gives an input/output error

[G]

Package: zfsutils-linux
Version: 0.6.5.9-5
Severity: normal

Dear Maintainer,

ls -l gives an input/output error when running on a directory containing
an .zfs directory (all run as root):

ls -a
.  ..  efkes  .zfs

ls -al
ls: .zfs: Input/output error
total 5
drwxr-xr-x  2 root root    3 Jul  3 17:19 .
drwxr-xr-x 25 root root 4096 Jul  3 17:01 ..
-rw-r--r--  1 root root    5 Jul  3 17:19 efkes
dr-xr-xr-x  1 root root    0 Jul  3 17:23 .zfs


cd .zfs/

.zfs# ls -a
.  ..  shares  snapshot

.zfs# ls -al
ls: .: Input/output error
ls: snapshot: Input/output error
ls: shares: Input/output error
total 1
dr-xr-xr-x 1 root root 0 Jul  3 17:23 .
drwxr-xr-x 2 root root 3 Jul  3 17:19 ..
dr-xr-xr-x 2 root root 2 Jul  3 19:12 shares
dr-xr-xr-x 2 root root 2 Jul  3 19:43 snapshot



-- System Information:
Debian Release: 9.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-3-amd64 (SMP w/40 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages zfsutils-linux depends on:
ii  init-system-helpers  1.48
ii  libblkid1            2.29.2-1
ii  libc6                2.24-11+deb9u1
ii  libnvpair1linux      0.6.5.9-5
ii  libuuid1             2.29.2-1
ii  libuutil1linux       0.6.5.9-5
ii  libzfs2linux         0.6.5.9-5
ii  libzpool2linux       0.6.5.9-5
ii  python3              3.5.3-1
ii  zlib1g               1:1.2.8.dfsg-5

Versions of packages zfsutils-linux recommends:
ii  lsb-base                9.20161125
ii  zfs-dkms [zfs-modules]  0.6.5.9-5
ii  zfs-zed                 0.6.5.9-5

Versions of packages zfsutils-linux suggests:
pn  nfs-kernel-server           <none>
pn  samba-common-bin            <none>
pn  zfs-initramfs | zfs-dracut  <none>

-- no debconf information