Hi Andreas,

I'll see what I can do..but it may take a few months, due to the
upcoming semester...I think your hunch is correct, I just need to
re-establish an environmet to reproduce the defect (in a virtual box).

In the meantime: have fun!
Carsten

Den ons. 14. aug. 2019 kl. 16.01 skrev Andreas Hasenack <email address hidden>:
>
> Hello Carsten, thanks for coming back to us
>
> I have a feeling this is about secrets stored in the keyring, so any
> clue around that area would help. In the end we might just put keyutils
> back as a Recommends, but I would like to understand in which scenario
> this is needed.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1772148
>
> Title:
>   Mount.cifs does not work without keyutils being installed
>
> Status in cifs-utils package in Ubuntu:
>   Confirmed
>
> Bug description:
>   In 17.10 you could mount a cifs network-drive via
>
>   > sudo mount -t cifs  //xx.yy.zz/abc t -o
>   vers=1.0,username=xxxxxx,sec=ntlm,uid=1000,gid=1000,iocharset=utf8,domain=DD
>
>   having cifs-utils (and smbclient) installed manually.
>
>   But in 18.04 (both with SMB1 and moving til SMB3) it does not work
>   until keyutils has been installed.
>
>   The only error I see, when the cifs mount is not working, is a -2
>   error ("mount error(2): No such file or directory"  or  "CIFS VFS:
>   cifs_mount failed w/return code = -2"):
>
>   mbmount> sudo mount -t cifs //xx.yy.zz/abc t --verbose -o vers=3,username=xxxxxx,sec=ntlmv2,uid=1000,gid=1000,iocharset=utf8,domain=DD,nounix
>   Password for xxxxx:  ********
>   mount error(2): No such file or directory
>   Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
>
>   Smbmount> dmesg | tail
>   [   89.915840] [UFW BLOCK] IN=wlp4s0 OUT= MAC=28:16:ad:18:e7:87:00:18:4d:4f:f5:1c:08:00 SRC=10.88.128.13 DST=192.168.1.3 LEN=40 TOS=0x00 PREC=0x00 TTL=255 ID=17677 PROTO=TCP SPT=445 DPT=55514 WINDOW=0 RES=0x00 RST URGP=0
>   [   89.916307] [UFW BLOCK] IN=wlp4s0 OUT= MAC=28:16:ad:18:e7:87:00:18:4d:4f:f5:1c:08:00 SRC=10.88.4.188 DST=192.168.1.3 LEN=40 TOS=0x00 PREC=0x00 TTL=255 ID=5527 PROTO=TCP SPT=445 DPT=52714 WINDOW=0 RES=0x00 RST URGP=0
>   [  362.580011] FS-Cache: Loaded
>   [  362.592410] FS-Cache: Netfs 'cifs' registered for caching
>   [  362.592495] Key type cifs.spnego registered
>   [  362.592498] Key type cifs.idmap registered
>   [  362.752492] CIFS VFS: BAD_NETWORK_NAME: \\xx.yy.zz\abc
>   [  362.787329] CIFS VFS: cifs_mount failed w/return code = -2
>   [  381.832633] CIFS VFS: BAD_NETWORK_NAME: \\xx.yy.zz\abc
>   [  381.870721] CIFS VFS: cifs_mount failed w/return code = -2
>
>   > apt install keyutils
>   ...
>
>   Smbmount> sudo mount -t cifs //xx.yy.zz/abc t --verbose -o
>   vers=3,username=xxxxxx,sec=ntlmv2,uid=1000,gid=1000,iocharset=utf8,domain=DD,nounix
>
>   >MOUNT OK HERE>
>
>   Smbmount> dmesg  | tail
>   [   89.916307] [UFW BLOCK] IN=wlp4s0 OUT= MAC=28:16:ad:18:e7:87:00:18:4d:4f:f5:1c:08:00 SRC=10.88.4.188 DST=192.168.1.3 LEN=40 TOS=0x00 PREC=0x00 TTL=255 ID=5527 PROTO=TCP SPT=445 DPT=52714 WINDOW=0 RES=0x00 RST URGP=0
>   [  362.580011] FS-Cache: Loaded
>   [  362.592410] FS-Cache: Netfs 'cifs' registered for caching
>   [  362.592495] Key type cifs.spnego registered
>   [  362.592498] Key type cifs.idmap registered
>   [  362.752492] CIFS VFS: BAD_NETWORK_NAME: \\xx.yy.zz\abc
>   [  362.787329] CIFS VFS: cifs_mount failed w/return code = -2
>   [  381.832633] CIFS VFS: BAD_NETWORK_NAME: \\xx.yy.zz\abc
>   [  381.870721] CIFS VFS: cifs_mount failed w/return code = -2
>   [  432.322763] CIFS VFS: BAD_NETWORK_NAME: \\xx.yy.zz\abc
>
>   Keyutils were not manually installed in my 17.10 system. And I am
>   aware of the change in default SMB versions from kernel 4.13.5 and on
>   (cause me to insert the vers=1.0 in the mount options):
>
>   From man mount.cifs:
>    "The  default since v4.13.5 is for the client and server to negotiate the highest possible
>    version greater than or equal to 2.1. In kernels prior to
>    v4.13, the default was 1.0. For kernels between v4.13 and v4.13.5 the default is 3.0."
>
>   And there are no fundamental change in the packages for cifs-utils, as
>   I can see (both suggests to use keyutils!).
>
>   My 17.10:
>   Package: cifs-utils
>   Status: install ok installed
>   Priority: optional
>   Section: otherosfs
>   Installed-Size: 229
>   Maintainer: Ubuntu Developers <email address hidden>
>   Architecture: amd64
>   Version: 2:6.7-1
>   Replaces: smbfs (<< 2:4.0~rc1-1)
>   Depends: samba-common, libc6 (>= 2.17), libcap-ng0, libkeyutils1 (>= 1.4), libkrb5-3 (>= 1.13~alpha1+dfsg), libpam0g (>= 0.99.7.1), libtalloc2 (>= 2.0.4~git20101213), libwbclient0 (>= 2:4.0.3+dfsg1)
>   Suggests: keyutils, smbclient, winbind
>   Conffiles:
>    /etc/request-key.d/cifs.idmap.conf 4c95734a68b45b65a5dc7b108836427b
>    /etc/request-key.d/cifs.spnego.conf db5289bad3063aea58e1814380259a28
>   Description: Common Internet File System utilities
>    The SMB/CIFS protocol provides support for cross-platform file sharing with
>    Microsoft Windows, OS X, and other Unix systems.
>    .
>    This package provides utilities for managing mounts of CIFS network
>    file systems.
>   Original-Maintainer: Debian Samba Maintainers <email address hidden>
>   Homepage: http://www.samba.org/~jlayton/cifs-utils/
>
>   My 18.04:
>   Package: cifs-utils
>   Status: install ok installed
>   Priority: optional
>   Section: otherosfs
>   Installed-Size: 226
>   Maintainer: Ubuntu Developers <email address hidden>
>   Architecture: amd64
>   Version: 2:6.8-1
>   Replaces: smbfs (<< 2:4.0~rc1-1)
>   Depends: samba-common, libc6 (>= 2.17), libcap-ng0, libkeyutils1 (>= 1.4), libkrb5-3 (>= 1.13~alpha1+dfsg), libpam0g (>= 0.99.7.1), libtalloc2 (>= 2.0.4~git20101213), libwbclient0 (>= 2:4.0.3+dfsg1)
>   Suggests: keyutils, smbclient, winbind
>   Conffiles:
>    /etc/request-key.d/cifs.idmap.conf 4c95734a68b45b65a5dc7b108836427b
>    /etc/request-key.d/cifs.spnego.conf db5289bad3063aea58e1814380259a28
>   Description: Common Internet File System utilities
>    The SMB/CIFS protocol provides support for cross-platform file sharing with
>    Microsoft Windows, OS X, and other Unix systems.
>    .
>    This package provides utilities for managing mounts of CIFS network
>    file systems.
>   Original-Maintainer: Debian Samba Maintainers <email address hidden>
>   Homepage: http://www.samba.org/~jlayton/cifs-utils/
>
>
>   My system info:
>
>   My old linux, 17.10 box:
>         mount.cifs version: 6.7
>         Linux cef-leno 4.13.0-39-generic #44-Ubuntu SMP Thu Apr 5 14:25:01 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>
>   My new linux: 18:04 box:
>         mount.cifs version: 6.8
>
>         Distributor ID: Ubuntu
>         Description:    Ubuntu 18.04 LTS
>         Release:        18.04
>         Codename:       bionic
>
>           Linux xxxxxx 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24
>   06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>
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