Re: [PATCH] random: add and use memzero_explicit() for clearing data

From: Dan Carpenter
Date: Mon Dec 01 2014 - 06:39:14 EST


On Mon, Dec 01, 2014 at 02:29:57PM +0300, Dan Carpenter wrote:
> On Mon, Dec 01, 2014 at 12:04:57PM +0100, Daniel Borkmann wrote:
> > Well, BSD has helpers such as bzero_explicit() for such cases to work
> > around this, which memzero_explicit() similarly does; see also [1].
> >
> > [1] https://gcc.gnu.org/ml/gcc-help/2014-10/msg00059.html
>
> We should make memset() a define and call a custom function internally.
>

Or we could specify -fno-builtin-memset like the GCC people suggest.

regards,
dan carpenter

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