linux-kernel - Re: VDSO gettimeofday() x86

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] [day] [month] [year] [list]

Date:	Tue, 16 Oct 2012 14:36:47 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	wilson self <wself00@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: VDSO gettimeofday() x86_64 linux 3.2

On Tue, Oct 16, 2012 at 12:43 PM, wilson self <wself00@...il.com> wrote:
> I am just using gcc timetest.c -o timetest
>
> Should be dynamically linked. glibc is 2.5, which is quite old, but I
> think this should still work with it, no?

You need at least glibc 2.7 for this to work well on modern kernels.
FWIW, glibc 2.7 is five years old.

--Andy
--
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/