From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EFF0ECE58E for ; Thu, 17 Oct 2019 10:26:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3F96221925 for ; Thu, 17 Oct 2019 10:26:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Po2NPVxv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408793AbfJQK0I (ORCPT ); Thu, 17 Oct 2019 06:26:08 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:35094 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404947AbfJQK0I (ORCPT ); Thu, 17 Oct 2019 06:26:08 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x9HAPkmL063272; Thu, 17 Oct 2019 05:25:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1571307946; bh=31mxF62O9d5GDuux8hZIeNNr/FdCIU6rv/sQ1OV+T7Q=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=Po2NPVxvuhoxtBKmZjfkoDOxQSXwNZt5zSZ3WDGMbi776zdC8W02SsEbZ4BJeaLM5 AmoIN7c614YmmlSyEXiXFWk2F/a1gJvgqWLIxqQg4b2lKCMMf13Rjwpb41OdBnbq1Y uXj3Z7VnoBHkE1uW+m5cXJbpONcgJeHb8E8OM91M= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x9HAPktx113241 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 17 Oct 2019 05:25:46 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Thu, 17 Oct 2019 05:25:38 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Thu, 17 Oct 2019 05:25:38 -0500 Received: from [127.0.0.1] (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id x9HAPhIN052205; Thu, 17 Oct 2019 05:25:44 -0500 Subject: Re: [PATCH 05/25] crypto: omap - switch to skcipher API To: Tony Lindgren , Ard Biesheuvel CC: , Herbert Xu , "David S. Miller" , Eric Biggers , , References: <20191014121910.7264-1-ard.biesheuvel@linaro.org> <20191014121910.7264-6-ard.biesheuvel@linaro.org> <20191015172843.GB5610@atomide.com> From: Tero Kristo Message-ID: <10a69466-7677-ff66-e5e4-9e563c1e457e@ti.com> Date: Thu, 17 Oct 2019 13:25:42 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191015172843.GB5610@atomide.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On 15/10/2019 20:28, Tony Lindgren wrote: > * Ard Biesheuvel [191014 12:20]: >> Commit 7a7ffe65c8c5 ("crypto: skcipher - Add top-level skcipher interface") >> dated 20 august 2015 introduced the new skcipher API which is supposed to >> replace both blkcipher and ablkcipher. While all consumers of the API have >> been converted long ago, some producers of the ablkcipher remain, forcing >> us to keep the ablkcipher support routines alive, along with the matching >> code to expose [a]blkciphers via the skcipher API. >> >> So switch this driver to the skcipher API, allowing us to finally drop the >> blkcipher code in the near future. > > Adding Tero to loop as I think he was the last one to update this code. With this patch, I am seeing the SW fallback fail with the following crash. Any ideas why this happens? This on top of 5.4-rc2, I did not pick any other crypto patches from the lists, but have couple of local fixes to get AES working properly with latest changes to testmgr. Am I missing something? -Tero [ 11.458071] 8<--- cut here --- [ 11.461205] Unable to handle kernel NULL pointer dereference at virtual addre ss 00000000 [ 11.469352] pgd = e8df20f8 [ 11.472083] [00000000] *pgd=00000000 [ 11.475691] Internal error: Oops: 5 [#1] SMP ARM [ 11.480325] Modules linked in: syscopyarea cfbimgblt sysfillrect sysimgblt fb _sys_fops cfbcopyarea sha512_arm(+) dwc3 ecb udc_core usb_common evdev aes_arm a es_generic snd_soc_simple_card snd_soc_simple_card_utils encoder_tpd12s015 leds_ gpio led_class aes_arm_bs gpio_fan crypto_simd omapdss connector_hdmi omapdss_ba se cpufreq_dt cryptd drm omap_wdt watchdog drm_panel_orientation_quirks cec omap _aes_driver(+) omap_sham(+) phy_omap_usb2 dwc3_omap omap_mailbox rtc_omap blueto oth ecdh_generic ecc libaes snd_soc_davinci_mcasp snd_soc_ti_edma snd_soc_ti_sdm a bq27xxx_battery_hdq bq27xxx_battery snd_soc_tlv320aic3x extcon_palmas rtc_palm as palmas_pwrbutton snd_soc_core snd_pcm_dmaengine omap_rng snd_pcm rng_core snd _timer omap_hdq snd at24 soundcore tmp102 wire cn rtc_ds1307 hwmon omap_des cryp to_engine omap_crypto autofs4 [ 11.552884] CPU: 0 PID: 979 Comm: cryptomgr_test Not tainted 5.4.0-rc2-00014- g6f57ec1e433d-dirty #334 [ 11.562138] Hardware name: Generic DRA74X (Flattened Device Tree) [ 11.568259] PC is at __crypto_xor+0x20/0xa0 [ 11.572454] LR is at 0x10 [ 11.575080] pc : [] lr : [<00000010>] psr: 20010113 [ 11.581369] sp : eb5f9a3c ip : 676e6953 fp : eb5f9cec [ 11.586611] r10: c0e05148 r9 : eb4a4e80 r8 : 00000010 [ 11.591853] r7 : 00000003 r6 : eb2e6000 r5 : fffffffc r4 : eb2e6000 [ 11.598403] r3 : 00000010 r2 : 00000000 r1 : eb2e6000 r0 : eb2e6000 [ 11.604955] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 11.612115] Control: 10c5387d Table: abd0806a DAC: 00000051 [ 11.617883] Process cryptomgr_test (pid: 979, stack limit = 0x99cee04c) [ 11.624521] Stack: (0xeb5f9a3c to 0xeb5fa000) [ 11.628891] 9a20: 00000010 [ 11.637101] 9a40: eb2e6000 eb2e6000 00000003 c04a45f8 edc12858 eb2e6000 edc12 858 eb2e6000 [ 11.645310] 9a60: eb057020 00000000 00000010 eb057020 00000000 00000010 00000 000 00000000 [ 11.653519] 9a80: 00000000 00000000 00000000 00000000 00000010 00000000 00000 010 00000010 [ 11.661729] 9aa0: 00000000 09865966 eb5f9b00 eb22c400 c0e05148 00000003 00000 400 00000000 [ 11.669938] 9ac0: 00000400 bf18c4c0 00000000 00000000 00000000 00000000 00000 0b3 00000000 [ 11.678147] 9ae0: 00000000 00000001 00000001 00000001 00000000 00000000 00000 000 09865966 [ 11.686356] 9b00: 00000010 00000000 eb057020 eb057020 eb379800 eb379940 00000 000 00000000 [ 11.694566] 9b20: eb4a4e80 00000400 0000084c 00000000 00000002 00000001 00000 000 00000001 [ 11.702774] 9b40: 00000000 c016e38c 00000129 00000000 00000000 00000001 00000 001 00000001 [ 11.710983] 9b60: eb379940 a8a2cc6a 00000002 09865966 c0a04b3c efd86300 eb245 7c0 efd862c0 [ 11.719193] 9b80: eb245900 a8d4a57d 00000002 00000000 eb5f9cf4 c016ef74 00000 000 efd86300 [ 11.727402] 9ba0: 00000000 00000001 00000000 00000001 00000000 c016e38c eb379 80c 09865966 [ 11.735611] 9bc0: efd86300 efd86300 eb21f240 efd862c0 eb21f380 00000000 eb5f9 d20 eb2e6010 [ 11.743819] 9be0: c0e05148 eb2e6000 00000010 c04dfdd4 00000000 00000001 c08fb 4b8 00000000 [ 11.752028] 9c00: 00000020 00000020 eb2e6000 eb057000 c0e05148 eb0570c0 00000 001 c049e5f8 [ 11.760237] 9c20: eb057000 00000000 00000000 00000010 00000000 c0a2eca8 00000 010 efd862c0 [ 11.768446] 9c40: 2eff5000 eb21f1c0 eb245740 c0e0554c eb5f9c94 ebe5c040 efd86 2c0 ebe5c000 [ 11.776656] 9c60: eb4a4e40 ebf65c80 c0a30694 00000000 00000000 09865966 c0a2e c9c 00000010 [ 11.784865] 9c80: c0a2ec9c eb057000 c0e05148 c0a2eca8 00000000 00000010 eb5f9 cac c049e6fc [ 11.793073] 9ca0: eb5f9cac 00000000 00000000 00000009 00000000 00000000 eb5f9 d28 00000000 [ 11.801282] 9cc0: bf18f880 09865966 00000000 09865966 eb22c400 eb057000 eb22c 400 c0a498f8 [ 11.809492] 9ce0: 00000000 eb5f9d28 c0a2ec9c c049f850 00000010 eb5f9d20 00000 001 7fffffff [ 11.817702] 9d00: 00000001 00000000 eb07e200 eb5f9e64 c0b7dc78 eb20ccc0 00000 000 00000000 [ 11.825910] 9d20: c0b80cf4 00000010 00000000 00000000 eb5f9d30 eb5f9d30 00000 000 00000001 [ 11.834119] 9d40: c0e05148 09865966 eb49e004 00000000 00000001 00000001 00000 cc0 eb057168 [ 11.842328] 9d60: eb20cd00 eb07e280 00000001 c02963a4 00000000 0000000a 00000 000 00000000 [ 11.850536] 9d80: ffffffff 00000000 00000000 ffffffff 00000000 eb1f2800 00000 dc0 00000c30 [ 11.858746] 9da0: c0e763bc edc172e0 c0a2d3dc c015d2a4 00000cc0 09865966 ec800 180 eb5f9e64 [ 11.866954] 9dc0: c0b685b2 eb5f9e44 ffffffff c0b685b2 00000002 eb5f9df4 c0aab 698 c08f6464 [ 11.875163] 9de0: ffffff0f ffff0a00 14a0619b eb5f9e64 bf18f8a8 ffffff0f ffff0 a00 09865966 [ 11.883373] 9e00: c0eac400 c0e05148 c0a498f8 eb07e200 eb07e200 00000001 eb22c 400 09865966 [ 11.891582] 9e20: c0a2d74c c0a2ec9c c0a498f8 c0a2f620 eb07e200 00000001 eb22c 400 eb057000 [ 11.899790] 9e40: c0a2d74c c049fef0 c0a2ec9c eb22c400 eb057000 eb057180 00000 000 00000000 [ 11.907998] 9e60: eb057168 eb200030 eb07e280 c049d63c eb057000 09865966 eb07e 200 eb20ccc0 [ 11.916208] 9e80: eb22c400 eb07e200 eb057000 c0a2d74c eb20cd00 eb07e280 c0a2d 3dc c04a1eb8 [ 11.924418] 9ea0: eb057000 00000000 c04a1e38 0000001b 00001185 ffffffff c0e05 148 eb07e200 [ 11.932626] 9ec0: eb07e280 c049dff0 ecb29100 00000400 efd862c0 ecb29080 c0e09 ebc ffffffff [ 11.940835] 9ee0: c08fb4b8 00000102 eb0c6018 efd862c0 ecb29080 eb245740 ebca5 000 00000001 [ 11.949043] 9f00: 00000002 eb0c7b64 eb5f9f6c c08fb4b8 00000000 eb0c7b60 00000 001 eb0c7b6c [ 11.957251] 9f20: 00000000 2eff5000 c0a04adc c08fba14 eb245b90 efd862c0 00000 000 00000000 [ 11.965460] 9f40: 00000000 09865966 eb0c7b64 eb245740 eb5f8000 09865966 ffffe 000 eb07e200 [ 11.973668] 9f60: 00000000 eb3f8b80 eb5f8000 eb07e200 c049d144 eb0c7b64 eb22e 29c c049d184 [ 11.981877] 9f80: eb22e280 c015c708 00000001 eb3f8b80 c015c5fc 00000000 00000 000 00000000 [ 11.990086] 9fa0: 00000000 00000000 00000000 c01010e8 00000000 00000000 00000 000 00000000 [ 11.998294] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.006502] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000 000 00000000 [ 12.014721] [] (__crypto_xor) from [] (crypto_cbc_encrypt +0xf4/0x13c) [ 12.022945] [] (crypto_cbc_encrypt) from [] (omap_aes_cry pt+0xc8/0x114 [omap_aes_driver]) [ 12.032924] [] (omap_aes_crypt [omap_aes_driver]) from [] (test_skcipher_vec_cfg+0x1c8/0x7e4) [ 12.043228] [] (test_skcipher_vec_cfg) from [] (test_skci pher+0x84/0xf0) [ 12.051701] [] (test_skcipher) from [] (alg_test_skcipher +0x80/0x140) [ 12.059912] [] (alg_test_skcipher) from [] (alg_test.part .8+0x8c/0x3a0) [ 12.068297] [] (alg_test.part.8) from [] (cryptomgr_test+ 0x40/0x48) [ 12.076336] [] (cryptomgr_test) from [] (kthread+0x10c/0x 148) [ 12.083853] [] (kthread) from [] (ret_from_fork+0x14/0x2c ) [ 12.091100] Exception stack(0xeb5f9fb0 to 0xeb5f9ff8) [ 12.096169] 9fa0: 00000000 00000000 00000 000 00000000 [ 12.104378] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.112593] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.119240] Code: e2425004 e1a0e003 e1a04000 e5b6c004 (e5b57004) [ 12.125437] ---[ end trace 9b4a71e796035151 ]--- -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCH 05/25] crypto: omap - switch to skcipher API Date: Thu, 17 Oct 2019 13:25:42 +0300 Message-ID: <10a69466-7677-ff66-e5e4-9e563c1e457e@ti.com> References: <20191014121910.7264-1-ard.biesheuvel@linaro.org> <20191014121910.7264-6-ard.biesheuvel@linaro.org> <20191015172843.GB5610@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191015172843.GB5610@atomide.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren , Ard Biesheuvel Cc: Herbert Xu , Eric Biggers , linux-crypto@vger.kernel.org, linux-omap@vger.kernel.org, "David S. Miller" , linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org On 15/10/2019 20:28, Tony Lindgren wrote: > * Ard Biesheuvel [191014 12:20]: >> Commit 7a7ffe65c8c5 ("crypto: skcipher - Add top-level skcipher interface") >> dated 20 august 2015 introduced the new skcipher API which is supposed to >> replace both blkcipher and ablkcipher. While all consumers of the API have >> been converted long ago, some producers of the ablkcipher remain, forcing >> us to keep the ablkcipher support routines alive, along with the matching >> code to expose [a]blkciphers via the skcipher API. >> >> So switch this driver to the skcipher API, allowing us to finally drop the >> blkcipher code in the near future. > > Adding Tero to loop as I think he was the last one to update this code. With this patch, I am seeing the SW fallback fail with the following crash. Any ideas why this happens? This on top of 5.4-rc2, I did not pick any other crypto patches from the lists, but have couple of local fixes to get AES working properly with latest changes to testmgr. Am I missing something? -Tero [ 11.458071] 8<--- cut here --- [ 11.461205] Unable to handle kernel NULL pointer dereference at virtual addre ss 00000000 [ 11.469352] pgd = e8df20f8 [ 11.472083] [00000000] *pgd=00000000 [ 11.475691] Internal error: Oops: 5 [#1] SMP ARM [ 11.480325] Modules linked in: syscopyarea cfbimgblt sysfillrect sysimgblt fb _sys_fops cfbcopyarea sha512_arm(+) dwc3 ecb udc_core usb_common evdev aes_arm a es_generic snd_soc_simple_card snd_soc_simple_card_utils encoder_tpd12s015 leds_ gpio led_class aes_arm_bs gpio_fan crypto_simd omapdss connector_hdmi omapdss_ba se cpufreq_dt cryptd drm omap_wdt watchdog drm_panel_orientation_quirks cec omap _aes_driver(+) omap_sham(+) phy_omap_usb2 dwc3_omap omap_mailbox rtc_omap blueto oth ecdh_generic ecc libaes snd_soc_davinci_mcasp snd_soc_ti_edma snd_soc_ti_sdm a bq27xxx_battery_hdq bq27xxx_battery snd_soc_tlv320aic3x extcon_palmas rtc_palm as palmas_pwrbutton snd_soc_core snd_pcm_dmaengine omap_rng snd_pcm rng_core snd _timer omap_hdq snd at24 soundcore tmp102 wire cn rtc_ds1307 hwmon omap_des cryp to_engine omap_crypto autofs4 [ 11.552884] CPU: 0 PID: 979 Comm: cryptomgr_test Not tainted 5.4.0-rc2-00014- g6f57ec1e433d-dirty #334 [ 11.562138] Hardware name: Generic DRA74X (Flattened Device Tree) [ 11.568259] PC is at __crypto_xor+0x20/0xa0 [ 11.572454] LR is at 0x10 [ 11.575080] pc : [] lr : [<00000010>] psr: 20010113 [ 11.581369] sp : eb5f9a3c ip : 676e6953 fp : eb5f9cec [ 11.586611] r10: c0e05148 r9 : eb4a4e80 r8 : 00000010 [ 11.591853] r7 : 00000003 r6 : eb2e6000 r5 : fffffffc r4 : eb2e6000 [ 11.598403] r3 : 00000010 r2 : 00000000 r1 : eb2e6000 r0 : eb2e6000 [ 11.604955] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 11.612115] Control: 10c5387d Table: abd0806a DAC: 00000051 [ 11.617883] Process cryptomgr_test (pid: 979, stack limit = 0x99cee04c) [ 11.624521] Stack: (0xeb5f9a3c to 0xeb5fa000) [ 11.628891] 9a20: 00000010 [ 11.637101] 9a40: eb2e6000 eb2e6000 00000003 c04a45f8 edc12858 eb2e6000 edc12 858 eb2e6000 [ 11.645310] 9a60: eb057020 00000000 00000010 eb057020 00000000 00000010 00000 000 00000000 [ 11.653519] 9a80: 00000000 00000000 00000000 00000000 00000010 00000000 00000 010 00000010 [ 11.661729] 9aa0: 00000000 09865966 eb5f9b00 eb22c400 c0e05148 00000003 00000 400 00000000 [ 11.669938] 9ac0: 00000400 bf18c4c0 00000000 00000000 00000000 00000000 00000 0b3 00000000 [ 11.678147] 9ae0: 00000000 00000001 00000001 00000001 00000000 00000000 00000 000 09865966 [ 11.686356] 9b00: 00000010 00000000 eb057020 eb057020 eb379800 eb379940 00000 000 00000000 [ 11.694566] 9b20: eb4a4e80 00000400 0000084c 00000000 00000002 00000001 00000 000 00000001 [ 11.702774] 9b40: 00000000 c016e38c 00000129 00000000 00000000 00000001 00000 001 00000001 [ 11.710983] 9b60: eb379940 a8a2cc6a 00000002 09865966 c0a04b3c efd86300 eb245 7c0 efd862c0 [ 11.719193] 9b80: eb245900 a8d4a57d 00000002 00000000 eb5f9cf4 c016ef74 00000 000 efd86300 [ 11.727402] 9ba0: 00000000 00000001 00000000 00000001 00000000 c016e38c eb379 80c 09865966 [ 11.735611] 9bc0: efd86300 efd86300 eb21f240 efd862c0 eb21f380 00000000 eb5f9 d20 eb2e6010 [ 11.743819] 9be0: c0e05148 eb2e6000 00000010 c04dfdd4 00000000 00000001 c08fb 4b8 00000000 [ 11.752028] 9c00: 00000020 00000020 eb2e6000 eb057000 c0e05148 eb0570c0 00000 001 c049e5f8 [ 11.760237] 9c20: eb057000 00000000 00000000 00000010 00000000 c0a2eca8 00000 010 efd862c0 [ 11.768446] 9c40: 2eff5000 eb21f1c0 eb245740 c0e0554c eb5f9c94 ebe5c040 efd86 2c0 ebe5c000 [ 11.776656] 9c60: eb4a4e40 ebf65c80 c0a30694 00000000 00000000 09865966 c0a2e c9c 00000010 [ 11.784865] 9c80: c0a2ec9c eb057000 c0e05148 c0a2eca8 00000000 00000010 eb5f9 cac c049e6fc [ 11.793073] 9ca0: eb5f9cac 00000000 00000000 00000009 00000000 00000000 eb5f9 d28 00000000 [ 11.801282] 9cc0: bf18f880 09865966 00000000 09865966 eb22c400 eb057000 eb22c 400 c0a498f8 [ 11.809492] 9ce0: 00000000 eb5f9d28 c0a2ec9c c049f850 00000010 eb5f9d20 00000 001 7fffffff [ 11.817702] 9d00: 00000001 00000000 eb07e200 eb5f9e64 c0b7dc78 eb20ccc0 00000 000 00000000 [ 11.825910] 9d20: c0b80cf4 00000010 00000000 00000000 eb5f9d30 eb5f9d30 00000 000 00000001 [ 11.834119] 9d40: c0e05148 09865966 eb49e004 00000000 00000001 00000001 00000 cc0 eb057168 [ 11.842328] 9d60: eb20cd00 eb07e280 00000001 c02963a4 00000000 0000000a 00000 000 00000000 [ 11.850536] 9d80: ffffffff 00000000 00000000 ffffffff 00000000 eb1f2800 00000 dc0 00000c30 [ 11.858746] 9da0: c0e763bc edc172e0 c0a2d3dc c015d2a4 00000cc0 09865966 ec800 180 eb5f9e64 [ 11.866954] 9dc0: c0b685b2 eb5f9e44 ffffffff c0b685b2 00000002 eb5f9df4 c0aab 698 c08f6464 [ 11.875163] 9de0: ffffff0f ffff0a00 14a0619b eb5f9e64 bf18f8a8 ffffff0f ffff0 a00 09865966 [ 11.883373] 9e00: c0eac400 c0e05148 c0a498f8 eb07e200 eb07e200 00000001 eb22c 400 09865966 [ 11.891582] 9e20: c0a2d74c c0a2ec9c c0a498f8 c0a2f620 eb07e200 00000001 eb22c 400 eb057000 [ 11.899790] 9e40: c0a2d74c c049fef0 c0a2ec9c eb22c400 eb057000 eb057180 00000 000 00000000 [ 11.907998] 9e60: eb057168 eb200030 eb07e280 c049d63c eb057000 09865966 eb07e 200 eb20ccc0 [ 11.916208] 9e80: eb22c400 eb07e200 eb057000 c0a2d74c eb20cd00 eb07e280 c0a2d 3dc c04a1eb8 [ 11.924418] 9ea0: eb057000 00000000 c04a1e38 0000001b 00001185 ffffffff c0e05 148 eb07e200 [ 11.932626] 9ec0: eb07e280 c049dff0 ecb29100 00000400 efd862c0 ecb29080 c0e09 ebc ffffffff [ 11.940835] 9ee0: c08fb4b8 00000102 eb0c6018 efd862c0 ecb29080 eb245740 ebca5 000 00000001 [ 11.949043] 9f00: 00000002 eb0c7b64 eb5f9f6c c08fb4b8 00000000 eb0c7b60 00000 001 eb0c7b6c [ 11.957251] 9f20: 00000000 2eff5000 c0a04adc c08fba14 eb245b90 efd862c0 00000 000 00000000 [ 11.965460] 9f40: 00000000 09865966 eb0c7b64 eb245740 eb5f8000 09865966 ffffe 000 eb07e200 [ 11.973668] 9f60: 00000000 eb3f8b80 eb5f8000 eb07e200 c049d144 eb0c7b64 eb22e 29c c049d184 [ 11.981877] 9f80: eb22e280 c015c708 00000001 eb3f8b80 c015c5fc 00000000 00000 000 00000000 [ 11.990086] 9fa0: 00000000 00000000 00000000 c01010e8 00000000 00000000 00000 000 00000000 [ 11.998294] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.006502] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000 000 00000000 [ 12.014721] [] (__crypto_xor) from [] (crypto_cbc_encrypt +0xf4/0x13c) [ 12.022945] [] (crypto_cbc_encrypt) from [] (omap_aes_cry pt+0xc8/0x114 [omap_aes_driver]) [ 12.032924] [] (omap_aes_crypt [omap_aes_driver]) from [] (test_skcipher_vec_cfg+0x1c8/0x7e4) [ 12.043228] [] (test_skcipher_vec_cfg) from [] (test_skci pher+0x84/0xf0) [ 12.051701] [] (test_skcipher) from [] (alg_test_skcipher +0x80/0x140) [ 12.059912] [] (alg_test_skcipher) from [] (alg_test.part .8+0x8c/0x3a0) [ 12.068297] [] (alg_test.part.8) from [] (cryptomgr_test+ 0x40/0x48) [ 12.076336] [] (cryptomgr_test) from [] (kthread+0x10c/0x 148) [ 12.083853] [] (kthread) from [] (ret_from_fork+0x14/0x2c ) [ 12.091100] Exception stack(0xeb5f9fb0 to 0xeb5f9ff8) [ 12.096169] 9fa0: 00000000 00000000 00000 000 00000000 [ 12.104378] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.112593] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.119240] Code: e2425004 e1a0e003 e1a04000 e5b6c004 (e5b57004) [ 12.125437] ---[ end trace 9b4a71e796035151 ]--- -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D32BCFA372A for ; Thu, 17 Oct 2019 10:26:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 984922082C for ; Thu, 17 Oct 2019 10:26:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ur4KU9/z"; 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Thu, 17 Oct 2019 05:25:46 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Thu, 17 Oct 2019 05:25:38 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Thu, 17 Oct 2019 05:25:38 -0500 Received: from [127.0.0.1] (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id x9HAPhIN052205; Thu, 17 Oct 2019 05:25:44 -0500 Subject: Re: [PATCH 05/25] crypto: omap - switch to skcipher API To: Tony Lindgren , Ard Biesheuvel References: <20191014121910.7264-1-ard.biesheuvel@linaro.org> <20191014121910.7264-6-ard.biesheuvel@linaro.org> <20191015172843.GB5610@atomide.com> From: Tero Kristo Message-ID: <10a69466-7677-ff66-e5e4-9e563c1e457e@ti.com> Date: Thu, 17 Oct 2019 13:25:42 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191015172843.GB5610@atomide.com> Content-Language: en-US X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191017_032604_632117_E6C64F8C X-CRM114-Status: GOOD ( 16.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Herbert Xu , Eric Biggers , linux-crypto@vger.kernel.org, linux-omap@vger.kernel.org, "David S. Miller" , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 15/10/2019 20:28, Tony Lindgren wrote: > * Ard Biesheuvel [191014 12:20]: >> Commit 7a7ffe65c8c5 ("crypto: skcipher - Add top-level skcipher interface") >> dated 20 august 2015 introduced the new skcipher API which is supposed to >> replace both blkcipher and ablkcipher. While all consumers of the API have >> been converted long ago, some producers of the ablkcipher remain, forcing >> us to keep the ablkcipher support routines alive, along with the matching >> code to expose [a]blkciphers via the skcipher API. >> >> So switch this driver to the skcipher API, allowing us to finally drop the >> blkcipher code in the near future. > > Adding Tero to loop as I think he was the last one to update this code. With this patch, I am seeing the SW fallback fail with the following crash. Any ideas why this happens? This on top of 5.4-rc2, I did not pick any other crypto patches from the lists, but have couple of local fixes to get AES working properly with latest changes to testmgr. Am I missing something? -Tero [ 11.458071] 8<--- cut here --- [ 11.461205] Unable to handle kernel NULL pointer dereference at virtual addre ss 00000000 [ 11.469352] pgd = e8df20f8 [ 11.472083] [00000000] *pgd=00000000 [ 11.475691] Internal error: Oops: 5 [#1] SMP ARM [ 11.480325] Modules linked in: syscopyarea cfbimgblt sysfillrect sysimgblt fb _sys_fops cfbcopyarea sha512_arm(+) dwc3 ecb udc_core usb_common evdev aes_arm a es_generic snd_soc_simple_card snd_soc_simple_card_utils encoder_tpd12s015 leds_ gpio led_class aes_arm_bs gpio_fan crypto_simd omapdss connector_hdmi omapdss_ba se cpufreq_dt cryptd drm omap_wdt watchdog drm_panel_orientation_quirks cec omap _aes_driver(+) omap_sham(+) phy_omap_usb2 dwc3_omap omap_mailbox rtc_omap blueto oth ecdh_generic ecc libaes snd_soc_davinci_mcasp snd_soc_ti_edma snd_soc_ti_sdm a bq27xxx_battery_hdq bq27xxx_battery snd_soc_tlv320aic3x extcon_palmas rtc_palm as palmas_pwrbutton snd_soc_core snd_pcm_dmaengine omap_rng snd_pcm rng_core snd _timer omap_hdq snd at24 soundcore tmp102 wire cn rtc_ds1307 hwmon omap_des cryp to_engine omap_crypto autofs4 [ 11.552884] CPU: 0 PID: 979 Comm: cryptomgr_test Not tainted 5.4.0-rc2-00014- g6f57ec1e433d-dirty #334 [ 11.562138] Hardware name: Generic DRA74X (Flattened Device Tree) [ 11.568259] PC is at __crypto_xor+0x20/0xa0 [ 11.572454] LR is at 0x10 [ 11.575080] pc : [] lr : [<00000010>] psr: 20010113 [ 11.581369] sp : eb5f9a3c ip : 676e6953 fp : eb5f9cec [ 11.586611] r10: c0e05148 r9 : eb4a4e80 r8 : 00000010 [ 11.591853] r7 : 00000003 r6 : eb2e6000 r5 : fffffffc r4 : eb2e6000 [ 11.598403] r3 : 00000010 r2 : 00000000 r1 : eb2e6000 r0 : eb2e6000 [ 11.604955] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 11.612115] Control: 10c5387d Table: abd0806a DAC: 00000051 [ 11.617883] Process cryptomgr_test (pid: 979, stack limit = 0x99cee04c) [ 11.624521] Stack: (0xeb5f9a3c to 0xeb5fa000) [ 11.628891] 9a20: 00000010 [ 11.637101] 9a40: eb2e6000 eb2e6000 00000003 c04a45f8 edc12858 eb2e6000 edc12 858 eb2e6000 [ 11.645310] 9a60: eb057020 00000000 00000010 eb057020 00000000 00000010 00000 000 00000000 [ 11.653519] 9a80: 00000000 00000000 00000000 00000000 00000010 00000000 00000 010 00000010 [ 11.661729] 9aa0: 00000000 09865966 eb5f9b00 eb22c400 c0e05148 00000003 00000 400 00000000 [ 11.669938] 9ac0: 00000400 bf18c4c0 00000000 00000000 00000000 00000000 00000 0b3 00000000 [ 11.678147] 9ae0: 00000000 00000001 00000001 00000001 00000000 00000000 00000 000 09865966 [ 11.686356] 9b00: 00000010 00000000 eb057020 eb057020 eb379800 eb379940 00000 000 00000000 [ 11.694566] 9b20: eb4a4e80 00000400 0000084c 00000000 00000002 00000001 00000 000 00000001 [ 11.702774] 9b40: 00000000 c016e38c 00000129 00000000 00000000 00000001 00000 001 00000001 [ 11.710983] 9b60: eb379940 a8a2cc6a 00000002 09865966 c0a04b3c efd86300 eb245 7c0 efd862c0 [ 11.719193] 9b80: eb245900 a8d4a57d 00000002 00000000 eb5f9cf4 c016ef74 00000 000 efd86300 [ 11.727402] 9ba0: 00000000 00000001 00000000 00000001 00000000 c016e38c eb379 80c 09865966 [ 11.735611] 9bc0: efd86300 efd86300 eb21f240 efd862c0 eb21f380 00000000 eb5f9 d20 eb2e6010 [ 11.743819] 9be0: c0e05148 eb2e6000 00000010 c04dfdd4 00000000 00000001 c08fb 4b8 00000000 [ 11.752028] 9c00: 00000020 00000020 eb2e6000 eb057000 c0e05148 eb0570c0 00000 001 c049e5f8 [ 11.760237] 9c20: eb057000 00000000 00000000 00000010 00000000 c0a2eca8 00000 010 efd862c0 [ 11.768446] 9c40: 2eff5000 eb21f1c0 eb245740 c0e0554c eb5f9c94 ebe5c040 efd86 2c0 ebe5c000 [ 11.776656] 9c60: eb4a4e40 ebf65c80 c0a30694 00000000 00000000 09865966 c0a2e c9c 00000010 [ 11.784865] 9c80: c0a2ec9c eb057000 c0e05148 c0a2eca8 00000000 00000010 eb5f9 cac c049e6fc [ 11.793073] 9ca0: eb5f9cac 00000000 00000000 00000009 00000000 00000000 eb5f9 d28 00000000 [ 11.801282] 9cc0: bf18f880 09865966 00000000 09865966 eb22c400 eb057000 eb22c 400 c0a498f8 [ 11.809492] 9ce0: 00000000 eb5f9d28 c0a2ec9c c049f850 00000010 eb5f9d20 00000 001 7fffffff [ 11.817702] 9d00: 00000001 00000000 eb07e200 eb5f9e64 c0b7dc78 eb20ccc0 00000 000 00000000 [ 11.825910] 9d20: c0b80cf4 00000010 00000000 00000000 eb5f9d30 eb5f9d30 00000 000 00000001 [ 11.834119] 9d40: c0e05148 09865966 eb49e004 00000000 00000001 00000001 00000 cc0 eb057168 [ 11.842328] 9d60: eb20cd00 eb07e280 00000001 c02963a4 00000000 0000000a 00000 000 00000000 [ 11.850536] 9d80: ffffffff 00000000 00000000 ffffffff 00000000 eb1f2800 00000 dc0 00000c30 [ 11.858746] 9da0: c0e763bc edc172e0 c0a2d3dc c015d2a4 00000cc0 09865966 ec800 180 eb5f9e64 [ 11.866954] 9dc0: c0b685b2 eb5f9e44 ffffffff c0b685b2 00000002 eb5f9df4 c0aab 698 c08f6464 [ 11.875163] 9de0: ffffff0f ffff0a00 14a0619b eb5f9e64 bf18f8a8 ffffff0f ffff0 a00 09865966 [ 11.883373] 9e00: c0eac400 c0e05148 c0a498f8 eb07e200 eb07e200 00000001 eb22c 400 09865966 [ 11.891582] 9e20: c0a2d74c c0a2ec9c c0a498f8 c0a2f620 eb07e200 00000001 eb22c 400 eb057000 [ 11.899790] 9e40: c0a2d74c c049fef0 c0a2ec9c eb22c400 eb057000 eb057180 00000 000 00000000 [ 11.907998] 9e60: eb057168 eb200030 eb07e280 c049d63c eb057000 09865966 eb07e 200 eb20ccc0 [ 11.916208] 9e80: eb22c400 eb07e200 eb057000 c0a2d74c eb20cd00 eb07e280 c0a2d 3dc c04a1eb8 [ 11.924418] 9ea0: eb057000 00000000 c04a1e38 0000001b 00001185 ffffffff c0e05 148 eb07e200 [ 11.932626] 9ec0: eb07e280 c049dff0 ecb29100 00000400 efd862c0 ecb29080 c0e09 ebc ffffffff [ 11.940835] 9ee0: c08fb4b8 00000102 eb0c6018 efd862c0 ecb29080 eb245740 ebca5 000 00000001 [ 11.949043] 9f00: 00000002 eb0c7b64 eb5f9f6c c08fb4b8 00000000 eb0c7b60 00000 001 eb0c7b6c [ 11.957251] 9f20: 00000000 2eff5000 c0a04adc c08fba14 eb245b90 efd862c0 00000 000 00000000 [ 11.965460] 9f40: 00000000 09865966 eb0c7b64 eb245740 eb5f8000 09865966 ffffe 000 eb07e200 [ 11.973668] 9f60: 00000000 eb3f8b80 eb5f8000 eb07e200 c049d144 eb0c7b64 eb22e 29c c049d184 [ 11.981877] 9f80: eb22e280 c015c708 00000001 eb3f8b80 c015c5fc 00000000 00000 000 00000000 [ 11.990086] 9fa0: 00000000 00000000 00000000 c01010e8 00000000 00000000 00000 000 00000000 [ 11.998294] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.006502] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000 000 00000000 [ 12.014721] [] (__crypto_xor) from [] (crypto_cbc_encrypt +0xf4/0x13c) [ 12.022945] [] (crypto_cbc_encrypt) from [] (omap_aes_cry pt+0xc8/0x114 [omap_aes_driver]) [ 12.032924] [] (omap_aes_crypt [omap_aes_driver]) from [] (test_skcipher_vec_cfg+0x1c8/0x7e4) [ 12.043228] [] (test_skcipher_vec_cfg) from [] (test_skci pher+0x84/0xf0) [ 12.051701] [] (test_skcipher) from [] (alg_test_skcipher +0x80/0x140) [ 12.059912] [] (alg_test_skcipher) from [] (alg_test.part .8+0x8c/0x3a0) [ 12.068297] [] (alg_test.part.8) from [] (cryptomgr_test+ 0x40/0x48) [ 12.076336] [] (cryptomgr_test) from [] (kthread+0x10c/0x 148) [ 12.083853] [] (kthread) from [] (ret_from_fork+0x14/0x2c ) [ 12.091100] Exception stack(0xeb5f9fb0 to 0xeb5f9ff8) [ 12.096169] 9fa0: 00000000 00000000 00000 000 00000000 [ 12.104378] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000 000 00000000 [ 12.112593] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.119240] Code: e2425004 e1a0e003 e1a04000 e5b6c004 (e5b57004) [ 12.125437] ---[ end trace 9b4a71e796035151 ]--- -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel