Re: incoming

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On Wed, Feb 24, 2021 at 1:30 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hmm. I haven't bisected things yet, but I suspect it's something with
> the KASAN patches. With this all applied, I get:
>
>   lib/crypto/curve25519-hacl64.c: In function ‘ladder_cmult.constprop’:
>   lib/crypto/curve25519-hacl64.c:601:1: warning: the frame size of
> 2288 bytes is larger than 2048 bytes [-Wframe-larger-than=]
>
> and
>
>   lib/bitfield_kunit.c: In function ‘test_bitfields_constants’:
>   lib/bitfield_kunit.c:93:1: warning: the frame size of 11200 bytes is
> larger than 2048 bytes [-Wframe-larger-than=]
>
> which is obviously not really acceptable. A 11kB stack frame _will_
> cause issues.

A quick bisect shoes that this was introduced by "[patch 101/173]
kasan: remove redundant config option".

I didn't check what part of that patch screws up, but it's definitely
doing something bad.

I will drop that patch.

               Linus




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