Re: [PATCH 00/11] crypto: ccree - fixes and cleanups

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Hi,

On Wed, Jan 22, 2020 at 6:51 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Gilad,
>
> On Thu, Jan 16, 2020 at 11:25 AM Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote:
> > A bunch of fixes and code cleanups for the ccree driver
>
> Thank you!
>
> I wanted to give this a try, but it looks like CCREE is no longer working
> on R-Car H3, both with/without this series.
>
> E.g. with renesas-devel[*] and renesas_defconfig +
> CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=n, I get the following crash:
>

Thank you for the bug report Geert!

My R-Car board is on loan at the moment to another project. I didn't
see this on our internal test board.
I will track down my R-Car board and reproduce this - hopefully
beginning of next week and will get back to you.

Thanks again,
Gilad

> ccree e6601000.crypto: ARM CryptoCell 630P Driver: HW version
> 0xAF400001/0xDCC63000, Driver version 5.0
> alg: No test for authenc(xcbc(aes),cbc(aes)) (authenc-xcbc-aes-cbc-aes-ccree)
> alg: No test for authenc(xcbc(aes),rfc3686(ctr(aes)))
> (authenc-xcbc-aes-rfc3686-ctr-aes-ccree)
> ------------[ cut here ]------------
> kernel BUG at kernel/dma/swiotlb.c:497!
> Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
> CPU: 7 PID: 189 Comm: cryptomgr_test Not tainted 5.5.0-rc7-arm64-renesas #463
> Hardware name: Renesas Salvator-X 2nd version board based on r8a77951 (DT)
> pstate: 80000005 (Nzcv daif -PAN -UAO)
> pc : swiotlb_tbl_map_single+0x30c/0x380
> lr : swiotlb_map+0xb0/0x300
> sp : ffff800012313430
> x29: ffff800012313430 x28: 0000000000000000
> x27: 0000000000000000 x26: 0000000738e7e000
> x25: ffff0006fa5f8010 x24: 0000000000000000
> x23: ffff800011aed000 x22: 0000000000000000
> x21: 0000000000000000 x20: 00000000000e8000
> x19: ffff80001105e000 x18: ffffffffffffffff
> x17: 0000000000000007 x16: 0000000000000001
> x15: ffff800010f5f908 x14: ffff800092313cf7
> x13: ffff0006ff0b4000 x12: 0000000000000001
> x11: 0000000000000003 x10: 0000000000200000
> x9 : 0000000000000000 x8 : 0000000000000001
> x7 : ffff800011aed9e0 x6 : 0000000000000000
> x5 : 0000000000000000 x4 : 0000000000000000
> x3 : 0000000000000000 x2 : 0000000000000000
> x1 : 0000000074000000 x0 : 0000000000000000
> Call trace:
>  swiotlb_tbl_map_single+0x30c/0x380
>  swiotlb_map+0xb0/0x300
>  dma_direct_map_page+0xb8/0x140
>  dma_direct_map_sg+0x78/0xe0
>  cc_map_sg+0x10c/0x1a8
>  cc_map_aead_request+0x160/0x990
>  cc_proc_aead+0x140/0xef8
>  cc_aead_encrypt+0x48/0x68
>  crypto_aead_encrypt+0x20/0x30
>  test_aead_vec_cfg+0x20c/0x848
>  test_aead+0xb8/0x140
>  alg_test_aead+0x94/0x178
>  alg_test+0x108/0x3f8
>  cryptomgr_test+0x40/0x48
>  kthread+0x11c/0x120
>  ret_from_fork+0x10/0x18
> Code: f9402fbc 17ffffa0 f9000bb3 f9002fbc (d4210000)
> ---[ end trace 272124cd4e3fd6f0 ]---
> note: cryptomgr_test[189] exited with preempt_count 1
> ------------[ cut here ]------------
>
> FWIW, the same happens on R-Car H3 ES1.0.
> I haven't tried investigating when it stopped working.
> I stopped running the crypto manager tests when they were broken by
> CONFIG_HARDENED_USERCOPY_PAGESPAN=y.
>
> Do you have a clue?
> Thanks!
>
> [*] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/
>
> 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



-- 
Gilad Ben-Yossef
Chief Coffee Drinker

values of β will give rise to dom!




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