From: Sasha Levin <sasha.levin@oracle.com>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: a.zummo@towertech.it, rtc-linux@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: [rtc-linux] Re: [PATCH] rtc: fix overflow and incorrect calculation in rtc_time64_to_tm
Date: Thu, 3 Dec 2015 21:06:43 -0500 [thread overview]
Message-ID: <5660F533.1070705@oracle.com> (raw)
In-Reply-To: <20151204015554.GB3515@piout.net>
On 12/03/2015 08:55 PM, Alexandre Belloni wrote:
> On 03/12/2015 at 19:12:24 -0500, Sasha Levin wrote :
>> > At some point after humans go extinct and robots cotrol the world, dividing
>> > he time64_t by 86400 to extract the days will overflow a 32bit integer,
>> > leading to incorrect conversion into rtc_time in rtc_time64_to_tm().
>> >
> And at that time, the robots won't care about 32bit platforms :)
One can only hope... :)
I'll resend.
Thanks,
Sasha
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WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: a.zummo@towertech.it, rtc-linux@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rtc: fix overflow and incorrect calculation in rtc_time64_to_tm
Date: Thu, 3 Dec 2015 21:06:43 -0500 [thread overview]
Message-ID: <5660F533.1070705@oracle.com> (raw)
In-Reply-To: <20151204015554.GB3515@piout.net>
On 12/03/2015 08:55 PM, Alexandre Belloni wrote:
> On 03/12/2015 at 19:12:24 -0500, Sasha Levin wrote :
>> > At some point after humans go extinct and robots cotrol the world, dividing
>> > he time64_t by 86400 to extract the days will overflow a 32bit integer,
>> > leading to incorrect conversion into rtc_time in rtc_time64_to_tm().
>> >
> And at that time, the robots won't care about 32bit platforms :)
One can only hope... :)
I'll resend.
Thanks,
Sasha
next prev parent reply other threads:[~2015-12-04 2:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 0:12 [rtc-linux] [PATCH] rtc: fix overflow and incorrect calculation in rtc_time64_to_tm Sasha Levin
2015-12-04 0:12 ` Sasha Levin
2015-12-04 0:21 ` [rtc-linux] " kbuild test robot
2015-12-04 0:21 ` kbuild test robot
2015-12-04 1:39 ` [rtc-linux] " kbuild test robot
2015-12-04 1:39 ` kbuild test robot
2015-12-04 1:41 ` [rtc-linux] " kbuild test robot
2015-12-04 1:41 ` kbuild test robot
2015-12-04 1:55 ` [rtc-linux] " Alexandre Belloni
2015-12-04 1:55 ` Alexandre Belloni
2015-12-04 2:06 ` Sasha Levin [this message]
2015-12-04 2:06 ` Sasha Levin
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