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SubjectRe: SLAB_TYPESAFE_BY_RCU without constructors (was Re: [PATCH v4 13/17] khwasan: add hooks implementation)
On Wed, Aug 1, 2018 at 12:23 PM, Eric Dumazet <> wrote:
> On 08/01/2018 02:03 AM, Andrey Ryabinin wrote:
>> I can't think of any advantage in not having the constructor.
> I can't see any advantage adding another indirect call,
> in RETPOLINE world.

Can you please elaborate what's the problem here?
If slab ctor call have RETPOLINE, then using ctors more does not
introduce any security problems and they are not _that_ slow.
If slab ctors are not protected, then we have problem that needs to be
fixed already.
What am I missing?

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