linux-kernel - Re: [PATCH] alternative to sys

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 24 Apr 2008 08:45:45 -0700
From:	Ulrich Drepper <drepper@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Subject: Re: [PATCH] alternative to sys_indirect, part 1

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Alan Cox wrote:
> Kernel socket type values are assigned by the kernel team so that
> isn't a problem.

Again, it's not about assigned values.  It about those not yet assigned.

> POSIX has no interface for this new behaviour you propose so that is
> complete crap. The moment you use one of these features you stepped
> outside of the POSIX spec - and you know that. If there was an existing
> standard we wouldn't have a problem.

Oh really?  You open a server socket, use fcntl(FD_CLOEXEC), and then
accept().  This is identical to the new behavior and it is very well
defined in POSIX.  Hence, code which uses fcntl() this way today will
see a change with your proposal.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)

iD8DBQFIEKsp2ijCOnn/RHQRAl7yAJ40IosF+DLjiFtmuOt/t9LShBt46ACfbVi6
BXwZE0fKUAh0Iqmrme3On6A=
=iDY5
-----END PGP SIGNATURE-----
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/