[Bug 206613] New: On hitting tab key from terminal against a directory name ending with ':\' doesnot shows files/dir inside it rather shows dir name itself

[Bug 206613] New: On hitting tab key from terminal against a directory name ending with ':\' doesnot shows files/dir inside it rather shows dir name itself

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=206613

            Bug ID: 206613
           Summary: On hitting tab key from terminal against a directory
                    name ending with ':\' doesnot shows files/dir inside
                    it rather shows dir name itself
           Product: File System
           Version: 2.5
    Kernel Version: 5.5.0-050500-generic
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: low
          Priority: P1
         Component: ext4
          Assignee: fs_ext4@kernel-bugs.osdl.org
          Reporter: cubonix@gmail.com
        Regression: No

Hi All.
Recently I bought a new laptop for usability purpose of my wife I created some
folders by Name C:\ D:\ E:\ and mounted  3 partitions (as she is a win user),
lately I have observed if hit tab againt these 3 dir , it does not exposes
files/dir which is contained. Which generally doesnot happens.

Log Snippet
===========
root@jarvis:~# uname -a
Linux jarvis 5.5.0-050500-generic #202001262030 SMP Mon Jan 27 01:33:36 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
root@jarvis:~# 
root@jarvis:~# cat /etc/os-release 
NAME="Ubuntu"
VERSION="19.10 (Eoan Ermine)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 19.10"
VERSION_ID="19.10"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=eoan
UBUNTU_CODENAME=eoan

When I normally hit tab against any dir it exposes files/dir 
=============================================================
root@jarvis:~# cd /
bin/        cdrom/      etc/        lib/        lib64/      lost+found/ mnt/   
    proc/       run/        srv/        tmp/        var/
boot/       dev/        home/       lib32/      libx32/     media/      opt/   
    root/       sbin/       sys/        usr/        
root@jarvis:~# 

But when I try to hit tab against any dir ending with :\
==============================================================

root@jarvis:/home/abhishek/Desktop# ls
'C:\'  'D:\'  'E:\'

abhishek@jarvis:~/Desktop$ cd 'C:\'^C =========>does not recommends any thing
abhishek@jarvis:~/Desktop$ cd C:\\ =========>does not recommends any thing

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[Bug 206613] On hitting tab key from terminal against a directory name ending with ':\' doesnot shows files/dir inside it

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=206613

Abhishek Srivastava (cubonix@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|On hitting tab key from     |On hitting tab key from
                   |terminal against a          |terminal against a
                   |directory name ending with  |directory name ending with
                   |':\' doesnot shows          |':\' doesnot shows
                   |files/dir inside it rather  |files/dir inside it
                   |shows dir name itself       |

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[Bug 206613] On hitting tab key from terminal against a directory name ending with ':\' doesnot shows files/dir inside it

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=206613

Andreas Dilger (adilger.kernelbugzilla@dilger.ca) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |adilger.kernelbugzilla@dilg
                   |                            |er.ca

--- Comment #1 from Andreas Dilger (adilger.kernelbugzilla@dilger.ca) ---
This has nothing to do with ext4, but rather "bash-completion".

I suspect that including "\" into the directory name will make a lot of tools
unhappy, so it would be better to name these directories just "C:", "D:", "E:",
since you will need to use "/" as the pathname separator anyway, and
"C:\/dir/file" is going to get old quickly.

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