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Message-ID: <CAFhhQJRkE+NnVdmrOUVqm2XLKksP59DW4HM2=nAbR8PLb-gi_A@mail.gmail.com>
Date: Mon, 7 Nov 2016 22:40:52 -0500
From: Daniel Sabogal <dsabogalcc@...il.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH v2] fix integer overflow of tm_year in __secs_to_tm
On Mon, Nov 7, 2016 at 12:09 PM, Rich Felker <dalias@...c.org> wrote:
> On Wed, Nov 02, 2016 at 10:29:36PM -0400, Daniel Sabogal wrote:
>> From: Daniel Sabogal <dsabogal@....edu>
>>
>> the overflow check for years+100 did not account for the extra
>> year computed from the remaining months. instead, perform this
>> check after obtaining the final number of years.
>> ---
>> v2: Subtract 12 from months, not 10.
>
> Thanks. I almost accepted the old patch with the error. Maybe in the
> future consider including a test case with the patch.
I provided a sample program within the patch.
Did you have something else in mind for test cases?
> I don't want to make testcases a prerequisite for bug fixes because
> that leads to bugs going unfixed for a long time, but perhaps for
> obscure issues like this unlikely to be hit in real-world use, it
> would be good to strongly encourage submission of test cases with
> patches.
I agree.
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