Re: consider using Hardened Malloc

[Adhemerval Zanella <adhemerval dot zanella at linaro dot org>]

On 25/11/2019 09:47, Florian Weimer wrote:
> * Patrick Schleizer:
> 
>> https://github.com/GrapheneOS/hardened_malloc
> 
> It's 64-bit only, so it's non-starter in its current form.  It also
> seems to require a large vm.max_map_count value, and that would have to
> be addressed as well.  I don't know how feasible that is in practice.
> 
> I couldn't find any performance comparisons with other hardended
> allocators (such as Scudo).

Also, it would be good to know any security deficiency that this allocator
is trying to mitigate that glibc already does not have and see if it would
make sense to pursuit, if the performance tradeoff is not feasible, or if
a different design is required.