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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support
Date: Sun, 12 Sep 2021 06:22:59 +0800	[thread overview]
Message-ID: <202109120620.ZHmW3VFp-lkp@intel.com> (raw)
In-Reply-To: <20210910064322.67705-9-hare@suse.de>

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Hi Hannes,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.14 next-20210910]
[cannot apply to cryptodev/master crypto/master linux-nvme/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Hannes-Reinecke/nvme-In-band-authentication-support/20210910-144627
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bf9f243f23e6623f310ba03fbb14e10ec3a61290
config: powerpc-randconfig-s032-20210911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/8b89de04a6eef68be62dcebf344e946c3e6843de
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hannes-Reinecke/nvme-In-band-authentication-support/20210910-144627
        git checkout 8b89de04a6eef68be62dcebf344e946c3e6843de
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/nvme/host/ drivers/nvme/target/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/nvme/host/auth.c:235:24: sparse: sparse: Using plain integer as NULL pointer
>> drivers/nvme/host/auth.c:509:26: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [assigned] [usertype] tl @@     got unsigned long [usertype] tl @@
   drivers/nvme/host/auth.c:509:26: sparse:     expected restricted __le32 [assigned] [usertype] tl
   drivers/nvme/host/auth.c:509:26: sparse:     got unsigned long [usertype] tl
>> drivers/nvme/host/auth.c:537:29: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [assigned] [usertype] al @@     got unsigned long [usertype] al @@
   drivers/nvme/host/auth.c:537:29: sparse:     expected restricted __le32 [assigned] [usertype] al
   drivers/nvme/host/auth.c:537:29: sparse:     got unsigned long [usertype] al
>> drivers/nvme/host/auth.c:618:54: sparse: sparse: restricted __le16 degrades to integer
>> drivers/nvme/host/auth.c:735:46: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned long [usertype] size @@     got restricted __le16 [usertype] dhvlen @@
   drivers/nvme/host/auth.c:735:46: sparse:     expected unsigned long [usertype] size
   drivers/nvme/host/auth.c:735:46: sparse:     got restricted __le16 [usertype] dhvlen
>> drivers/nvme/host/auth.c:738:36: sparse: sparse: incorrect type in assignment (different base types) @@     expected int ctrl_key_len @@     got restricted __le16 [usertype] dhvlen @@
   drivers/nvme/host/auth.c:738:36: sparse:     expected int ctrl_key_len
   drivers/nvme/host/auth.c:738:36: sparse:     got restricted __le16 [usertype] dhvlen
   drivers/nvme/host/auth.c:740:28: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long [usertype] size @@     got restricted __le16 [usertype] dhvlen @@
   drivers/nvme/host/auth.c:740:28: sparse:     expected unsigned long [usertype] size
   drivers/nvme/host/auth.c:740:28: sparse:     got restricted __le16 [usertype] dhvlen
>> drivers/nvme/host/auth.c:773:22: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] dhvlen @@     got int host_key_len @@
   drivers/nvme/host/auth.c:773:22: sparse:     expected restricted __le16 [usertype] dhvlen
   drivers/nvme/host/auth.c:773:22: sparse:     got int host_key_len

vim +235 drivers/nvme/host/auth.c

0f7847d23405a2 Hannes Reinecke 2021-09-10  224  
0f7847d23405a2 Hannes Reinecke 2021-09-10  225  u8 *nvme_auth_transform_key(u8 *key, size_t key_len, u8 key_hash, char *nqn)
0f7847d23405a2 Hannes Reinecke 2021-09-10  226  {
0f7847d23405a2 Hannes Reinecke 2021-09-10  227  	const char *hmac_name = nvme_auth_hmac_name(key_hash);
0f7847d23405a2 Hannes Reinecke 2021-09-10  228  	struct crypto_shash *key_tfm;
0f7847d23405a2 Hannes Reinecke 2021-09-10  229  	struct shash_desc *shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  230  	u8 *transformed_key;
0f7847d23405a2 Hannes Reinecke 2021-09-10  231  	int ret;
0f7847d23405a2 Hannes Reinecke 2021-09-10  232  
0f7847d23405a2 Hannes Reinecke 2021-09-10  233  	/* No key transformation required */
0f7847d23405a2 Hannes Reinecke 2021-09-10  234  	if (key_hash == 0)
0f7847d23405a2 Hannes Reinecke 2021-09-10 @235  		return 0;
0f7847d23405a2 Hannes Reinecke 2021-09-10  236  
0f7847d23405a2 Hannes Reinecke 2021-09-10  237  	hmac_name = nvme_auth_hmac_name(key_hash);
0f7847d23405a2 Hannes Reinecke 2021-09-10  238  	if (!hmac_name) {
0f7847d23405a2 Hannes Reinecke 2021-09-10  239  		pr_warn("Invalid key hash id %d\n", key_hash);
0f7847d23405a2 Hannes Reinecke 2021-09-10  240  		return ERR_PTR(-EKEYREJECTED);
0f7847d23405a2 Hannes Reinecke 2021-09-10  241  	}
0f7847d23405a2 Hannes Reinecke 2021-09-10  242  	key_tfm = crypto_alloc_shash(hmac_name, 0, 0);
0f7847d23405a2 Hannes Reinecke 2021-09-10  243  	if (IS_ERR(key_tfm))
0f7847d23405a2 Hannes Reinecke 2021-09-10  244  		return (u8 *)key_tfm;
0f7847d23405a2 Hannes Reinecke 2021-09-10  245  
0f7847d23405a2 Hannes Reinecke 2021-09-10  246  	shash = kmalloc(sizeof(struct shash_desc) +
0f7847d23405a2 Hannes Reinecke 2021-09-10  247  			crypto_shash_descsize(key_tfm),
0f7847d23405a2 Hannes Reinecke 2021-09-10  248  			GFP_KERNEL);
0f7847d23405a2 Hannes Reinecke 2021-09-10  249  	if (!shash) {
0f7847d23405a2 Hannes Reinecke 2021-09-10  250  		crypto_free_shash(key_tfm);
0f7847d23405a2 Hannes Reinecke 2021-09-10  251  		return ERR_PTR(-ENOMEM);
0f7847d23405a2 Hannes Reinecke 2021-09-10  252  	}
0f7847d23405a2 Hannes Reinecke 2021-09-10  253  	transformed_key = kzalloc(crypto_shash_digestsize(key_tfm), GFP_KERNEL);
0f7847d23405a2 Hannes Reinecke 2021-09-10  254  	if (!transformed_key) {
0f7847d23405a2 Hannes Reinecke 2021-09-10  255  		ret = -ENOMEM;
0f7847d23405a2 Hannes Reinecke 2021-09-10  256  		goto out_free_shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  257  	}
0f7847d23405a2 Hannes Reinecke 2021-09-10  258  
0f7847d23405a2 Hannes Reinecke 2021-09-10  259  	shash->tfm = key_tfm;
0f7847d23405a2 Hannes Reinecke 2021-09-10  260  	ret = crypto_shash_setkey(key_tfm, key, key_len);
0f7847d23405a2 Hannes Reinecke 2021-09-10  261  	if (ret < 0)
0f7847d23405a2 Hannes Reinecke 2021-09-10  262  		goto out_free_shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  263  	ret = crypto_shash_init(shash);
0f7847d23405a2 Hannes Reinecke 2021-09-10  264  	if (ret < 0)
0f7847d23405a2 Hannes Reinecke 2021-09-10  265  		goto out_free_shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  266  	ret = crypto_shash_update(shash, nqn, strlen(nqn));
0f7847d23405a2 Hannes Reinecke 2021-09-10  267  	if (ret < 0)
0f7847d23405a2 Hannes Reinecke 2021-09-10  268  		goto out_free_shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  269  	ret = crypto_shash_update(shash, "NVMe-over-Fabrics", 17);
0f7847d23405a2 Hannes Reinecke 2021-09-10  270  	if (ret < 0)
0f7847d23405a2 Hannes Reinecke 2021-09-10  271  		goto out_free_shash;
0f7847d23405a2 Hannes Reinecke 2021-09-10  272  	ret = crypto_shash_final(shash, transformed_key);
0f7847d23405a2 Hannes Reinecke 2021-09-10  273  out_free_shash:
0f7847d23405a2 Hannes Reinecke 2021-09-10  274  	kfree(shash);
0f7847d23405a2 Hannes Reinecke 2021-09-10  275  	crypto_free_shash(key_tfm);
0f7847d23405a2 Hannes Reinecke 2021-09-10  276  	if (ret < 0) {
0f7847d23405a2 Hannes Reinecke 2021-09-10  277  		kfree_sensitive(transformed_key);
0f7847d23405a2 Hannes Reinecke 2021-09-10  278  		return ERR_PTR(ret);
0f7847d23405a2 Hannes Reinecke 2021-09-10  279  	}
0f7847d23405a2 Hannes Reinecke 2021-09-10  280  	return transformed_key;
0f7847d23405a2 Hannes Reinecke 2021-09-10  281  }
0f7847d23405a2 Hannes Reinecke 2021-09-10  282  EXPORT_SYMBOL_GPL(nvme_auth_transform_key);
0f7847d23405a2 Hannes Reinecke 2021-09-10  283  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: config.gz --]
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  reply	other threads:[~2021-09-11 22:22 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-10  6:43 [PATCHv3 00/12] nvme: In-band authentication support Hannes Reinecke
2021-09-10  6:43 ` Hannes Reinecke
2021-09-10  6:43 ` [PATCH 01/12] crypto: add crypto_has_shash() Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:15   ` Sagi Grimberg
2021-09-13 13:15     ` Sagi Grimberg
2021-09-16 17:01   ` Chaitanya Kulkarni
2021-09-16 17:01     ` Chaitanya Kulkarni
2021-09-10  6:43 ` [PATCH 02/12] crypto: add crypto_has_kpp() Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:16   ` Sagi Grimberg
2021-09-13 13:16     ` Sagi Grimberg
2021-09-16 17:02   ` Chaitanya Kulkarni
2021-09-16 17:02     ` Chaitanya Kulkarni
2021-09-10  6:43 ` [PATCH 03/12] crypto/ffdhe: Finite Field DH Ephemeral Parameters Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-10  6:43 ` [PATCH 04/12] lib/base64: RFC4648-compliant base64 encoding Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-10  6:43 ` [PATCH 05/12] nvme: add definitions for NVMe In-Band authentication Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:18   ` Sagi Grimberg
2021-09-13 13:18     ` Sagi Grimberg
2021-09-16 17:04   ` Chaitanya Kulkarni
2021-09-16 17:04     ` Chaitanya Kulkarni
2021-09-17  5:39     ` Hannes Reinecke
2021-09-17  5:39       ` Hannes Reinecke
2021-09-10  6:43 ` [PATCH 06/12] nvme-fabrics: decode 'authentication required' connect error Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:18   ` Sagi Grimberg
2021-09-13 13:18     ` Sagi Grimberg
2021-09-16 17:04   ` Chaitanya Kulkarni
2021-09-16 17:04     ` Chaitanya Kulkarni
2021-09-10  6:43 ` [PATCH 07/12] nvme: Implement In-Band authentication Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:55   ` Sagi Grimberg
2021-09-13 13:55     ` Sagi Grimberg
2021-09-13 14:33     ` Hannes Reinecke
2021-09-13 14:33       ` Hannes Reinecke
2021-09-14  7:06       ` Sagi Grimberg
2021-09-14  7:06         ` Sagi Grimberg
2021-09-14  7:19         ` Hannes Reinecke
2021-09-14  7:19           ` Hannes Reinecke
2021-09-16 17:23   ` Chaitanya Kulkarni
2021-09-26 22:04   ` Sagi Grimberg
2021-09-26 22:04     ` Sagi Grimberg
2021-09-27  7:26     ` Hannes Reinecke
2021-09-27  7:26       ` Hannes Reinecke
2021-09-27  7:52       ` Sagi Grimberg
2021-09-27  7:52         ` Sagi Grimberg
2021-09-26 22:53   ` Sagi Grimberg
2021-09-26 22:53     ` Sagi Grimberg
2021-09-27  5:48     ` Hannes Reinecke
2021-09-27  5:48       ` Hannes Reinecke
2021-09-27  7:52       ` Sagi Grimberg
2021-09-27  7:52         ` Sagi Grimberg
2021-09-10  6:43 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-11 22:22   ` kernel test robot [this message]
2021-09-10  6:43 ` [PATCH 09/12] nvmet: Parse fabrics commands on all queues Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13 13:56   ` Sagi Grimberg
2021-09-13 13:56     ` Sagi Grimberg
2021-09-10  6:43 ` [PATCH 10/12] nvmet: Implement basic In-Band Authentication Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-11 23:10   ` kernel test robot
2021-09-26 14:30   ` Sagi Grimberg
2021-09-26 14:30     ` Sagi Grimberg
2021-09-26 22:51   ` Sagi Grimberg
2021-09-26 22:51     ` Sagi Grimberg
2021-09-27  6:40     ` Hannes Reinecke
2021-09-27  6:40       ` Hannes Reinecke
2021-09-27  7:17       ` Hannes Reinecke
2021-09-27  7:17         ` Hannes Reinecke
2021-09-27  7:55         ` Sagi Grimberg
2021-09-27  7:55           ` Sagi Grimberg
2021-09-27  8:28           ` Hannes Reinecke
2021-09-27  8:28             ` Hannes Reinecke
2021-09-28 22:36             ` Sagi Grimberg
2021-09-28 22:36               ` Sagi Grimberg
2021-09-29  6:01               ` Hannes Reinecke
2021-09-29  6:01                 ` Hannes Reinecke
2021-09-10  6:43 ` [PATCH 11/12] nvmet-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-11 23:47   ` kernel test robot
2021-09-10  6:43 ` [PATCH 12/12] nvmet-auth: expire authentication sessions Hannes Reinecke
2021-09-10  6:43   ` Hannes Reinecke
2021-09-13  9:16 ` [PATCHv3 00/12] nvme: In-band authentication support Sagi Grimberg
2021-09-13  9:16   ` Sagi Grimberg
2021-09-13  9:43   ` Hannes Reinecke
2021-09-13  9:43     ` Hannes Reinecke
2021-09-19 10:02     ` Sagi Grimberg
2021-09-19 10:02       ` Sagi Grimberg
2021-09-28  6:03 [PATCHv4 " Hannes Reinecke
2021-09-28  6:03 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-09-28  6:03   ` Hannes Reinecke
2021-11-12 12:59 [PATCHv5 00/12] nvme: In-band authentication support Hannes Reinecke
2021-11-12 12:59 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-11-22  7:47 [PATCHv6 00/12] nvme: In-band authentication support Hannes Reinecke
2021-11-22  7:47 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-11-23 12:37 [PATCHv7 00/12] nvme: In-band authentication support Hannes Reinecke
2021-11-23 12:37 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke
2021-12-02 15:23 [PATCHv8 00/12] nvme: In-band authentication support Hannes Reinecke
2021-12-02 15:23 ` [PATCH 08/12] nvme-auth: Diffie-Hellman key exchange support Hannes Reinecke

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