linux-kernel - Re: [Patch V5 1/7] crypto: Multi-buffer encryption infrastructure support

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Date:   Fri, 21 Apr 2017 11:02:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Megha Dey <megha.dey@...ux.intel.com>
Cc:     kbuild-all@...org, herbert@...dor.apana.org.au,
        tim.c.chen@...ux.intel.com, davem@...emloft.net,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        megha.dey@...el.com, Megha Dey <megha.dey@...ux.intel.com>
Subject: Re: [Patch V5 1/7] crypto: Multi-buffer encryption infrastructure
 support

Hi Megha,

[auto build test ERROR on next-20170420]
[also build test ERROR on v4.11-rc7]
[cannot apply to crypto/master sparc-next/master v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Megha-Dey/crypto-AES-CBC-multibuffer-implementation/20170421-064210
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   crypto/built-in.o: In function `simd_skcipher_exit_mb':
>> crypto/simd.c:267: undefined reference to `mcryptd_free_skcipher'
   crypto/simd.c:267:(.text+0x12624): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mcryptd_free_skcipher'
   crypto/built-in.o: In function `simd_skcipher_init_mb':
>> crypto/simd.c:282: undefined reference to `mcryptd_alloc_skcipher'
   crypto/simd.c:282:(.text+0x12650): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mcryptd_alloc_skcipher'

vim +267 crypto/simd.c

   261	}
   262	
   263	static void simd_skcipher_exit_mb(struct crypto_skcipher *tfm)
   264	{
   265		struct simd_skcipher_ctx_mb *ctx = crypto_skcipher_ctx(tfm);
   266	
 > 267		mcryptd_free_skcipher(ctx->mcryptd_tfm);
   268	}
   269	
   270	static int simd_skcipher_init_mb(struct crypto_skcipher *tfm)
   271	{
   272		struct simd_skcipher_ctx_mb *ctx = crypto_skcipher_ctx(tfm);
   273		struct mcryptd_skcipher *mcryptd_tfm;
   274		struct simd_skcipher_alg *salg;
   275		struct skcipher_alg *alg;
   276		unsigned reqsize;
   277		struct mcryptd_skcipher_ctx *mctx;
   278	
   279		alg = crypto_skcipher_alg(tfm);
   280		salg = container_of(alg, struct simd_skcipher_alg, alg);
   281	
 > 282		mcryptd_tfm = mcryptd_alloc_skcipher(salg->ialg_name,
   283						   CRYPTO_ALG_INTERNAL,
   284						   CRYPTO_ALG_INTERNAL);
   285		if (IS_ERR(mcryptd_tfm))

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