Extra memory mapping seen on freebsd-12 which was not seen in freebsd-11

Paul Floyd pjfloyd at wanadoo.fr
Thu Nov 5 12:20:40 UTC 2020


On 10/17/20 6:29 AM, karnajit wangkhem wrote:
> Hi Paul,
>
> The mappings of these applications existed prior to the guard change, which
> was fine as no mapping existed on the memory range. With migration to
> stable 12, I was doubting that these mappings are no longer correct. But at
> the same time, does valgrind have to own this segment, which only came post
> certain freebsd releases?

Hi

I'm not sure if Valgrind needs to own the guest stack in order to be 
able to grow it.

Could you open a bugzilla item for this (on valgrind-devel)? That way 
I'll be sure not to forget about it.


A+

Paul



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