linux-kernel - Re: [PATCH v21 00/10] NTFS read-write driver GPL implementation by Paragon Software

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 15 Feb 2021 14:07:32 +0700
From:   kasep pisan <babam.yes@...il.com>
To:     Hanabishi Recca <irecca.kun@...il.com>
Cc:     Oleksandr Natalenko <oleksandr@...alenko.name>,
        Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
        linux-kernel@...r.kernel.org, pali@...nel.org, dsterba@...e.cz,
        aaptel@...e.com, willy@...radead.org, rdunlap@...radead.org,
        joe@...ches.com, mark@...mstone.com, nborisov@...e.com,
        linux-ntfs-dev@...ts.sourceforge.net, anton@...era.com,
        dan.carpenter@...cle.com, hch@....de, ebiggers@...nel.org,
        andy.lavr@...il.com
Subject: Re: [PATCH v21 00/10] NTFS read-write driver GPL implementation by
 Paragon Software

The bug can be reproduced easily with following step:
find mountpoint -exec ls -d {} + 1>/dev/null


2021-02-14 2:00 GMT+07.00, Hanabishi Recca <irecca.kun@...il.com>:
> On Sat, Feb 13, 2021 at 2:27 AM Oleksandr Natalenko
> <oleksandr@...alenko.name> wrote:
>
>> Hanabishi, babam (both in Cc), here [2] you've reported some issues with
>> accessing some files and with hidden attributes. You may reply to this
>> email of mine with detailed description of your issues, and maybe
>> developers will answer you.
>
> There is strange files access issue since v18 update. Some random
> files on partition became inaccessible, can't be read or even deleted.
> For example:
>
> # ls -la
> ls: cannot access 'NlsStrings.js': No such file or directory
> total 176
> drwxrwxrwx 1 root root  4096 Oct 20 10:41 .
> drwxrwxrwx 1 root root 12288 Oct 20 10:42 ..
> -rwxrwxrwx 1 root root  8230 Oct 19 17:02 Layer.js < this file is ok
> -????????? ? ?    ?        ?            ? NlsStrings.js < this file is
> inaccessible
> ...
>
> To reproduce the issue try to mount a NTFS partition with deep
> structure and large files amout. Then run on it some recursive file
> command, e.g. 'du -sh', it will list all access errors.
> Can't say what exactly causes it. Filesystem itself is not damaged,
> when mounting it via ntfs-3g, ntfs3 <18 or in Windows it works
> normally. The files is not damaged and chkdsk report no errors.
>


-- 
Sorry, my English is bad.