linux-kernel - Re: [PATCH resend] rtc: Fix alarm rollover when day or month is out-of-range

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Message-ID: <20120102144138.034f5831@linux.lan.towertech.it>
Date:	Mon, 2 Jan 2012 14:41:38 +0100
From:	Alessandro Zummo <a.zummo@...ertech.it>
To:	Jonathan Nieder <jrnieder@...il.com>
Cc:	"P." <mailme667@...oo.co.uk>, rtc-linux@...glegroups.com,
	linux-kernel@...r.kernel.org, John Stultz <john.stultz@...aro.org>,
	Ben Hutchings <ben@...adent.org.uk>, akpm@...ux-foundation.org
Subject: Re: [PATCH resend] rtc: Fix alarm rollover when day or month is
 out-of-range

On Fri, 30 Dec 2011 18:35:52 -0600
Jonathan Nieder <jrnieder@...il.com> wrote:

> From: Ben Hutchings <ben@...adent.org.uk>
> Date: Thu, 29 Dec 2011 16:41:56 +0100
> 
> Commit f44f7f96a20a ('RTC: Initialize kernel state from RTC')
> introduced a potential infinite loop.  If an alarm time contains a
> wildcard month and an invalid day (> 31), or a wildcard year and an
> invalid month (>= 12), the loop searching for the next matching date
> will never terminate.  Treat the invalid values as wildcards.
> 
> Fixes <http://bugs.debian.org/646429>, <http://bugs.debian.org/653331>
> 
> Reported-by: leo weppelman <leoweppelman@...glemail.com>
> Reported-by: "P. van Gaans" <mailme667@...oo.co.uk>
> Cc: stable@...r.kernel.org
> Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> Signed-off-by: Jonathan Nieder <jrnieder@...il.com>


 Seems reasonable, ty.


 Acked-by: Alessandro Zummo <a.zummo@...ertech.it>

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it

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