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Date: Mon, 7 Nov 2016 12:09:48 -0500
From: Rich Felker <>
Subject: Re: [PATCH v2] fix integer overflow of tm_year in __secs_to_tm

On Wed, Nov 02, 2016 at 10:29:36PM -0400, Daniel Sabogal wrote:
> From: Daniel Sabogal <>
> 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 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


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