Re: [PATCH] vfs: hard-ban creating files with control characters in the name

From: Matthew Wilcox
Date: Fri Oct 06 2017 - 10:55:04 EST


On Thu, Oct 05, 2017 at 12:07:57PM +0200, Olivier Galibert wrote:
> On Tue, Oct 3, 2017 at 5:22 AM, Adam Borowski <kilobyte@xxxxxxxxxx> wrote:
> > Well, what about just \n then? Unlike all the others which are relatively
> > straightforward, \n requires -print0 which not all programs implement, and
> > way too many people consider too burdensome to use.
>
> If you don't use -print0, you're vulnerable to spaces. Go on, try to
> disallow spaces in file names, I'll pass the popcorn.

The David Wheeler argument for this is to change IFS to "\n\t" from " \n\t".
Personally, I think it's easier to use -print0.