Re: XTS self test fail

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On Fri, 16 Aug 2019 at 12:50, Stephan Müller <smueller@xxxxxxxxxx> wrote:
>
> Hi,
>
> with the current cryptodev-2.6 code, I get the following with fips=1:
>
> [   22.301826] alg: skcipher: xts-aes-aesni encryption failed on test vector
> "random: len=28 klen=64"; expected_error=0, actual_error=-22, cfg="random:
> inplace may_sleep use_final src_divs=[<reimport>100.0%@+20] iv_offset=57"

This is currently being discussed: we are adding support for
ciphertext stealing (which is part of the XTS spec but currently
unimplemented)

Do you have CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y enabled?

> [   22.304800] Kernel panic - not syncing: alg: self-tests for xts-aes-aesni
> (xts(aes)) failed in fips mode!
> [   22.305709] CPU: 0 PID: 259 Comm: cryptomgr_test Not tainted 5.3.0-rc1+ #9
> [   22.305709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
> 1.12.0-2.fc30 04/01/2014
> [   22.305709] Call Trace:
> [   22.305709]  dump_stack+0x7c/0xc0
> [   22.305709]  panic+0x240/0x453
> [   22.305709]  ? add_taint.cold+0x11/0x11
> [   22.305709]  ? __atomic_notifier_call_chain+0x5/0x130
> [   22.305709]  ? notifier_call_chain+0x27/0xb0
> [   22.305709]  alg_test+0x789/0x8d0
> [   22.305709]  ? valid_testvec_config+0x1d0/0x1d0
> [   22.305709]  ? lock_downgrade+0x380/0x380
> [   22.305709]  ? lock_acquire+0xff/0x220
> [   22.305709]  ? __kthread_parkme+0x45/0xd0
> [   22.305709]  ? mark_held_locks+0x24/0x90
> [   22.305709]  ? _raw_spin_unlock_irqrestore+0x43/0x50
> [   22.305709]  ? lockdep_hardirqs_on+0x1a8/0x290
> [   22.305709]  cryptomgr_test+0x36/0x60
> [   22.305709]  kthread+0x1a8/0x200
> [   22.305709]  ? crypto_acomp_scomp_free_ctx+0x70/0x70
> [   22.305709]  ? kthread_create_on_node+0xd0/0xd0
> [   22.305709]  ret_from_fork+0x3a/0x50
> [   22.305709] Kernel Offset: 0x35000000 from 0xffffffff81000000 (relocation
> range: 0xffffffff80000000-0xffffffffbfffffff)
> [   22.305709] ---[ end Kernel panic - not syncing: alg: self-tests for xts-
> aes-aesni (xts(aes)) failed in fips mode! ]---
>
> Ciao
> Stephan
>
>




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