[linux-next:master 9864/10975] crypto/twofish_common.c:700:1: warning: the frame size of 4800 bytes is larger than 2048 bytes

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   bf976ab690dea9d0ee260fc8881fef511a0e3566
commit: 1b15c325c3def847397c1badc5dbe5914efc8d7e [9864/10975] UBSAN: run-time undefined behavior sanity checker
config: x86_64-randconfig-x001-01140840 (attached as .config)
reproduce:
        git checkout 1b15c325c3def847397c1badc5dbe5914efc8d7e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   crypto/twofish_common.c: In function '__twofish_setkey':
>> crypto/twofish_common.c:700:1: warning: the frame size of 4800 bytes is larger than 2048 bytes [-Wframe-larger-than=]
    }
    ^

vim +700 crypto/twofish_common.c

2729bb42 Joachim Fritschi 2006-06-20  684  	} else { /* 128-bit key */
2729bb42 Joachim Fritschi 2006-06-20  685  		/* Compute the S-boxes. */
2729bb42 Joachim Fritschi 2006-06-20  686  		for ( i = j = 0, k = 1; i < 256; i++, j += 2, k += 2 ) {
2729bb42 Joachim Fritschi 2006-06-20  687  			CALC_SB_2( i, calc_sb_tbl[j], calc_sb_tbl[k] );
2729bb42 Joachim Fritschi 2006-06-20  688  		}
2729bb42 Joachim Fritschi 2006-06-20  689  
e2b21b50 Denys Vlasenko   2007-10-26  690  		/* Calculate whitening and round subkeys */
e2b21b50 Denys Vlasenko   2007-10-26  691  		for ( i = 0; i < 8; i += 2 ) {
e2b21b50 Denys Vlasenko   2007-10-26  692  			CALC_K (w, i, q0[i], q1[i], q0[i+1], q1[i+1]);
e2b21b50 Denys Vlasenko   2007-10-26  693  		}
e2b21b50 Denys Vlasenko   2007-10-26  694  		for ( i = 0; i < 32; i += 2 ) {
e2b21b50 Denys Vlasenko   2007-10-26  695  			CALC_K (k, i, q0[i+8], q1[i+8], q0[i+9], q1[i+9]);
e2b21b50 Denys Vlasenko   2007-10-26  696  		}
2729bb42 Joachim Fritschi 2006-06-20  697  	}
2729bb42 Joachim Fritschi 2006-06-20  698  
2729bb42 Joachim Fritschi 2006-06-20  699  	return 0;
2729bb42 Joachim Fritschi 2006-06-20 @700  }
81559f9a Jussi Kivilinna  2011-10-18  701  EXPORT_SYMBOL_GPL(__twofish_setkey);
2729bb42 Joachim Fritschi 2006-06-20  702  
81559f9a Jussi Kivilinna  2011-10-18  703  int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len)
81559f9a Jussi Kivilinna  2011-10-18  704  {
81559f9a Jussi Kivilinna  2011-10-18  705  	return __twofish_setkey(crypto_tfm_ctx(tfm), key, key_len,
81559f9a Jussi Kivilinna  2011-10-18  706  				&tfm->crt_flags);
81559f9a Jussi Kivilinna  2011-10-18  707  }
2729bb42 Joachim Fritschi 2006-06-20  708  EXPORT_SYMBOL_GPL(twofish_setkey);

:::::: The code at line 700 was first introduced by commit
:::::: 2729bb427f686e47970406d6bde6b11892885f29 [CRYPTO] twofish: Split out common c code

:::::: TO: Joachim Fritschi <jfritschi@freenet.de>
:::::: CC: Herbert Xu <herbert@gondor.apana.org.au>

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