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From: kernel test robot <lkp@intel.com>
To: Hongbo Li <herbert.tencent@gmail.com>,
	keyrings@vger.kernel.org, linux-crypto@vger.kernel.org,
	herbert@gondor.apana.org.au, dhowells@redhat.com,
	zohar@linux.ibm.com, jarkko@kernel.org, herberthbli@tencent.com
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	linux-integrity@vger.kernel.org,
	Hongbo Li <herbert.tencent@gmail.com>
Subject: Re: [PATCH v3 2/4] crypto: support rsa-pss encoding
Date: Wed, 7 Apr 2021 16:40:53 +0800	[thread overview]
Message-ID: <202104071609.Dx9pPd4S-lkp@intel.com> (raw)
In-Reply-To: <1617767358-25279-3-git-send-email-herbert.tencent@gmail.com>

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Hi Hongbo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on cryptodev/master]
[also build test WARNING on crypto/master security/next-testing linus/master v5.12-rc6 next-20210406]
[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/Hongbo-Li/crypto-add-rsa-pss-support-for-x509/20210407-115152
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: x86_64-randconfig-s021-20210407 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-279-g6d5d9b42-dirty
        # https://github.com/0day-ci/linux/commit/cd6d6b64f74124a91cb5f0e5d5485d8b159c0ff7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hongbo-Li/crypto-add-rsa-pss-support-for-x509/20210407-115152
        git checkout cd6d6b64f74124a91cb5f0e5d5485d8b159c0ff7
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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 >>)
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16

vim +247 crypto/rsa_helper.c

   235	
   236	int rsa_get_pss_saltlen(void *context, size_t hdrlen, unsigned char tag,
   237				const void *value, size_t vlen)
   238	{
   239		struct rsa_pss_ctx *ctx = context;
   240	
   241		if (!value || vlen < 1 || vlen > 2)
   242			return -EINVAL;
   243	
   244		if (vlen == 1)
   245			ctx->salt_len = *(u8 *)value;
   246		else if (vlen == 2)
 > 247			ctx->salt_len = ntohs(*(u16 *)value);
   248	
   249		return 0;
   250	}
   251	

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

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v3 2/4] crypto: support rsa-pss encoding
Date: Wed, 07 Apr 2021 16:40:53 +0800	[thread overview]
Message-ID: <202104071609.Dx9pPd4S-lkp@intel.com> (raw)
In-Reply-To: <1617767358-25279-3-git-send-email-herbert.tencent@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 2359 bytes --]

Hi Hongbo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on cryptodev/master]
[also build test WARNING on crypto/master security/next-testing linus/master v5.12-rc6 next-20210406]
[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/Hongbo-Li/crypto-add-rsa-pss-support-for-x509/20210407-115152
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: x86_64-randconfig-s021-20210407 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-279-g6d5d9b42-dirty
        # https://github.com/0day-ci/linux/commit/cd6d6b64f74124a91cb5f0e5d5485d8b159c0ff7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hongbo-Li/crypto-add-rsa-pss-support-for-x509/20210407-115152
        git checkout cd6d6b64f74124a91cb5f0e5d5485d8b159c0ff7
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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 >>)
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16
>> crypto/rsa_helper.c:247:33: sparse: sparse: cast to restricted __be16

vim +247 crypto/rsa_helper.c

   235	
   236	int rsa_get_pss_saltlen(void *context, size_t hdrlen, unsigned char tag,
   237				const void *value, size_t vlen)
   238	{
   239		struct rsa_pss_ctx *ctx = context;
   240	
   241		if (!value || vlen < 1 || vlen > 2)
   242			return -EINVAL;
   243	
   244		if (vlen == 1)
   245			ctx->salt_len = *(u8 *)value;
   246		else if (vlen == 2)
 > 247			ctx->salt_len = ntohs(*(u16 *)value);
   248	
   249		return 0;
   250	}
   251	

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

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  reply	other threads:[~2021-04-07  8:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07  3:49 [PATCH v3 0/4] crypto: add rsa pss support for x509 Hongbo Li
2021-04-07  3:49 ` [PATCH v3 1/4] x509: add support for rsa-pss Hongbo Li
2021-04-07  3:49 ` [PATCH v3 2/4] crypto: support rsa-pss encoding Hongbo Li
2021-04-07  8:40   ` kernel test robot [this message]
2021-04-07  8:40     ` kernel test robot
2021-04-07  3:49 ` [PATCH v3 3/4] crypto: add rsa pss test vector Hongbo Li
2021-04-07  3:49 ` [PATCH v3 4/4] ima: add support for rsa pss verification Hongbo Li

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