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Date:	Sun, 24 Jan 2016 21:38:14 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	kbuild-all@...org,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org, devel@...verdev.osuosl.org,
	dm-devel@...hat.com, linux-wireless@...r.kernel.org,
	linux-cifs@...r.kernel.org, ecryptfs@...r.kernel.org,
	linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
	linux-nfs@...r.kernel.org, keyrings@...r.kernel.org,
	linux-bluetooth@...r.kernel.org, ceph-devel@...r.kernel.org,
	linux-wpan@...r.kernel.org, linux-afs@...ts.infradead.org,
	drbd-dev@...ts.linbit.com, open-iscsi@...glegroups.com
Subject: Re: [PATCH 9/26] eCryptfs: Use skcipher and shash

Hi Herbert,

[auto build test ERROR on net/master]
[also build test ERROR on v4.4 next-20160122]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Herbert-Xu/crypto-Use-skcipher-and-ahash-shash-where-possible/20160124-212323
config: x86_64-randconfig-x012-201604 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   fs/ecryptfs/crypto.c: In function 'ecryptfs_hash_digest':
>> fs/ecryptfs/crypto.c:87:2: error: implicit declaration of function 'shash_desc_zero' [-Werror=implicit-function-declaration]
     shash_desc_zero(desc);
     ^
   fs/ecryptfs/crypto.c: In function 'ecryptfs_process_key_cipher':
>> fs/ecryptfs/crypto.c:1614:15: error: implicit declaration of function 'crypto_skcipher_default_keysize' [-Werror=implicit-function-declaration]
      *key_size = crypto_skcipher_default_keysize(*key_tfm);
                  ^
   cc1: some warnings being treated as errors
--
   fs/ecryptfs/keystore.c: In function 'ecryptfs_write_tag_70_packet':
>> fs/ecryptfs/keystore.c:700:10: error: implicit declaration of function 'crypto_skcipher_driver_name' [-Werror=implicit-function-declaration]
             crypto_skcipher_driver_name(s->skcipher_tfm));
             ^
   In file included from include/linux/printk.h:6:0,
                    from include/linux/kernel.h:13,
                    from include/linux/crypto.h:21,
                    from include/crypto/hash.h:16,
                    from fs/ecryptfs/keystore.c:28:
>> include/linux/kern_levels.h:4:18: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^
>> fs/ecryptfs/keystore.c:698:10: note: in expansion of macro 'KERN_ERR'
      printk(KERN_ERR "%s: Out of kernel memory whilst attempting to "
             ^
   fs/ecryptfs/keystore.c: In function 'ecryptfs_parse_tag_70_packet':
>> include/linux/kern_levels.h:4:18: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^
   fs/ecryptfs/keystore.c:1031:10: note: in expansion of macro 'KERN_ERR'
      printk(KERN_ERR "%s: Out of kernel memory whilst attempting to "
             ^
   fs/ecryptfs/keystore.c: In function 'decrypt_passphrase_encrypted_session_key':
>> include/linux/kern_levels.h:4:18: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^
   fs/ecryptfs/keystore.c:1722:10: note: in expansion of macro 'KERN_ERR'
      printk(KERN_ERR "%s: Out of kernel memory whilst attempting to "
             ^
   fs/ecryptfs/keystore.c: In function 'write_tag_3_packet':
>> fs/ecryptfs/keystore.c:2232:10: error: implicit declaration of function 'crypto_skcipher_default_keysize' [-Werror=implicit-function-declaration]
             crypto_skcipher_default_keysize(tfm));
             ^
   In file included from fs/ecryptfs/keystore.c:36:0:
>> include/linux/kern_levels.h:4:18: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   fs/ecryptfs/ecryptfs_kernel.h:530:27: note: in definition of macro 'ecryptfs_printk'
            __ecryptfs_printk(type "%s: " fmt, __func__, ## arg);
                              ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^
   fs/ecryptfs/keystore.c:2316:19: note: in expansion of macro 'KERN_ERR'
      ecryptfs_printk(KERN_ERR, "Out of kernel memory whilst "
                      ^
   cc1: some warnings being treated as errors

vim +/shash_desc_zero +87 fs/ecryptfs/crypto.c

    81		SHASH_DESC_ON_STACK(desc, tfm);
    82		int err;
    83	
    84		desc->tfm = tfm;
    85		desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
    86		err = crypto_shash_digest(desc, src, len, dst);
  > 87		shash_desc_zero(desc);
    88		return err;
    89	}
    90	

---
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