Re: [PATCH] crypto: ccree - dec auth tag size from cryptlen map

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Hi Gilad,

On Sun, Feb 2, 2020 at 5:19 PM Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote:
> Remove the auth tag size from cryptlen before mapping the destination
> in out-of-place AEAD decryption thus resolving a crash with
> extended testmgr tests.
>
> Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
> Reported-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # v4.19+

Thanks, this fixes the crash seen on R-Car H3 ES2.0 with renesas_defconfig,
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=n, and CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y

Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Remaining issues reported during boot:
  1. alg: skcipher: blocksize for xts-aes-ccree (1) doesn't match
generic impl (16)
  2. alg: aead: rfc4543-gcm-aes-ccree decryption unexpectedly
succeeded on test vector "random: alen=16 plen=39 authsize=16 klen=20
novrfy=1"; expected_error=-EBADMSG or -22, cfg="random: may_sleep
use_digest src_divs=[4.47%@+3553, 30.80%@+4065, 12.0%@+11,
6.22%@+2999, 46.51%@alignmask+3468]"

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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