From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Roman Zippel <zippel@linux-m68k.org>,
john stultz <johnstul@us.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] ntp: avoid integer overflow in do_adjtimex()
Date: Sun, 25 Mar 2007 15:01:00 +0200 [thread overview]
Message-ID: <1174827661.10840.514.camel@localhost.localdomain> (raw)
In-Reply-To: <20070325111420.GA16988@elte.hu>
On Sun, 2007-03-25 at 13:14 +0200, Ingo Molnar wrote:
> * Thomas Gleixner <tglx@linutronix.de> wrote:
>
> > Here you go. It's ugly, but it should do the trick for now.
> >
> > tglx
>
> here's your patch with proper metadata:
>
> --------------------->
> From: Thomas Gleixner <tglx@linutronix.de>
> Subject: [patch] ntp: avoid integer overflow in do_adjtimex()
>
> John Stultz traced back ntpd problems to the following issue:
> do_adjtimex() [used by ntpd] can overflow if there's a too long delay
> between timer interrupts - as it can happen on NO_HZ. Expand the
> time_adjust calculation/division from 32 bits to 64 bits.
Wrong metadata. This is a patch to fix John's patch vs. signedness.
tglx
prev parent reply other threads:[~2007-03-25 12:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-24 0:40 [PATCH] Avoid time_offset overflows john stultz
2007-03-24 5:20 ` Roman Zippel
2007-03-25 9:09 ` Andrew Morton
2007-03-25 11:07 ` Thomas Gleixner
2007-03-25 11:14 ` [patch] ntp: avoid integer overflow in do_adjtimex() Ingo Molnar
2007-03-25 13:01 ` Thomas Gleixner [this message]
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