[mpich-discuss] Another integer overflow

Jeff Hammond jeff.science at gmail.com
Fri Feb 1 16:04:01 CST 2019


Thanks for reporting this.  I'll file a bug report against Intel MPI 2019.

Jeff

On Thu, Jan 31, 2019 at 10:41 AM Joachim Protze via discuss <
discuss at mpich.org> wrote:

> Hi all,
>
> we found another integer overflow when using MPI_Sendrecv_replace, see
> attached file.
> When the buffer size exceeds MAX_INT, a segmentation fault occurs.
> I could reproduce this with the MPICH 3.3a2 installation on my Ubuntu
> desktop.
>
> @Jeff: I could reproduce the segfault as well as with IntelMPI 2018
> IntelMPI 2019 detects a message truncation
>
>
> Best
> Joachim
> --
> Dipl.-Inf. Joachim Protze
>
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-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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