On 07/03/18 14:32, s3rj1k wrote:
> Package: libopenmpt0
> Version: 0.2.7386~beta20.3-3+deb9u2
> Severity: important
> Dear Maintainer,
>  Using this shared library with external application creates segfault
>  with memcopy related functions.

I'm not sure I understand what you mean.

Do you have any logs? A stack backtrace? Specifically what commands do
you run to get the segfault?

>  This can be avoided if one would recompile with -O3 optimization as actually
>  does upstream in their makefile (not autotool sources)
>  Adding this to rules effectively fixes issue:

If this flag genuinely does fix the segfault, then there's likely some
undefined behavior in libopenmpt which the compiler is exploiting and
your suggested fix would just hide the real bug.


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