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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/15813] Multiple issues in __gen_tempname
Date: Tue, 15 Sep 2020 13:38:37 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D15813

--- Comment #11 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #10)
> I meant the updated gnulib version from its repository, not the outdated
> version glibc packs now.  The gnulib version currently does not use neith=
er
> the process pid nor the clock for source of entropy, it uses either
> getrandom or a simple linear congruential generator if getrandom fails.
>=20
> I think using getentropy where available should make it more robust. These
> interface contains inherent concurrent issues and applications should eit=
her
> use O_TMPFILE or at leat tmpfile.

We should backport this to the release branch also since this is a regressi=
on.

--=20
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