Hello everyone,
today I noticed some very odd behaviour, which could lead people to
believe a loss of data, because it is possible to create directories
with backslashes in them.
I am currently running kernel 3.5.
To completly reproduce the problem to the full extend you'll need a
Windows computer, but to see whats wrong Linux completly suffices :-)
On a Linux computer
1. Create a directory named TestA on an NTFS partition
2. Create a subdirectory of TestA named TestB
3. Create a third directory alongside TestA named TestA\TestB (the
fundamental problem is this: backslashes in directory names)
Connect the drive containing the NTFS partition now to a Windows
computer and navigate to the directory containing TestA and TestA\TestB.
If you navigate to the folder (not path!) TestA\TestB you'll actually
see the contents of the path TestA\TestB (the subfolder TestB) and not
the contents of the directory.
It is not possible on a Windows machine to access the contents of the
directory named TestA\TestB. This is not a bug in Windows, it's caused
by a bug in the NTFS driver, which allows illegal characters.
The solution to this would be to disallow creation of files and folders
on NTFS drives containing illegal characters.
Best regards
Marian Beermann
(notice: I'm not subscribed to linux-fsdevel...)
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