linux-kernel - Re: [PATCH v2] hex2bin: make the function hex_to

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Message-ID: <CAHk-=witNAEG7rRsbxD0-4mxhtijRT8fwSc3QCi5HN1sR=0YcA@mail.gmail.com>
Date:   Wed, 4 May 2022 13:00:36 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...el.com>,
        Stafford Horne <shorne@...il.com>,
        Mikulas Patocka <mpatocka@...hat.com>,
        Andy Shevchenko <andy@...nel.org>,
        device-mapper development <dm-devel@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Mike Snitzer <msnitzer@...hat.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Milan Broz <gmazyland@...il.com>
Subject: Re: [PATCH v2] hex2bin: make the function hex_to_bin constant-time

On Wed, May 4, 2022 at 12:51 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> But I don't think that it's the browser, actually. Even 'nslookup'
> refuses to touch it with
>
>    ** server can't find א.cc: SERVFAIL
>
> and it seems it's literally the local dns caching (dnsmasq?)

Looks like Fedora builds dnsmasq with 'no-i18n', although "dnsmasq -v"
also shows "IDN2", so who knows.. Maybe it's some default config issue
rather than the build configuration.

                  Linus