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Date: Fri, 13 Dec 2013 07:36:51 +0100
From: Szabolcs Nagy <>
Subject: Re: validation of utf-8 strings passed as system call

* Rich Felker <> [2013-12-12 23:39:41 -0500]:
> that filenames can contain arbitrary byte sequences. And Linus in
> particular is opposed to changing this, though there's been some
> indicastion (I don't have references right off) that he might be open
> to optional restrictions at the kernel level.

he didnt look very persuadable some time ago

(i actually like the kernel that way: what would you do when
mounting a filesystem with invalid filenames? would you also
reject surrogate pairs, pua codes or do unicode normalization?)

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