[Bug malloc/25223] consider using Hardened Malloc

["adhemerval.zanella at linaro dot org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=25223

Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:

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--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Which is the exact idea of this enhancement request? GLIBC already has support
for interposable malloc, so the usage of an external interposable malloc is
straightforward. 

If the idea is *replace* current malloc implementation I think a better
strategy would bring this up to libc-alpha instead of opening a bug report.
This is a huge task, that would require to take into consideration multiple
factors, and it will require much discussion. 

Also, the malloc implementation has been improved both in security, (for
instance 5b06f538c5, c0e82f11735, ebe544bf6e8e), usability and performance (the
tache support for instance). So I would prefer to work by identifying issues
with the current implementation and work towards fixing them while taking into
consideration not only security but performance metrics as well (as we have
done in the past).

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