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* lib/crypto/chacha.c:64:1: warning: the frame size of 1600 bytes is larger than 1024 bytes
@ 2023-07-06 22:50 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-07-06 22:50 UTC (permalink / raw)
  To: Seung-Woo Kim
  Cc: oe-kbuild-all, linux-kernel, Russell King (Oracle),
	Florian Fainelli

Hi Seung-Woo,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a452483508d7b70b0f6c69e249ec0b3ea2330b5c
commit: d539fee9f825b0c8eac049732c83562b28a483b5 ARM: 9253/1: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
date:   8 months ago
config: arm-randconfig-r015-20230707 (https://download.01.org/0day-ci/archive/20230707/202307070612.8DMHJyR2-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230707/202307070612.8DMHJyR2-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307070612.8DMHJyR2-lkp@intel.com/

All warnings (new ones prefixed by >>):

   lib/crypto/chacha.c: In function 'chacha_permute':
>> lib/crypto/chacha.c:64:1: warning: the frame size of 1600 bytes is larger than 1024 bytes [-Wframe-larger-than=]
      64 | }
         | ^
--
   drivers/crypto/ccree/cc_hash.c: In function 'cc_hash_setkey':
>> drivers/crypto/ccree/cc_hash.c:919:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=]
     919 | }
         | ^


vim +64 lib/crypto/chacha.c

e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  15  
1ca1b917940c24 lib/chacha.c   Eric Biggers  2018-11-16  16  static void chacha_permute(u32 *x, int nrounds)
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  17  {
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  18  	int i;
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  19  
1ca1b917940c24 lib/chacha.c   Eric Biggers  2018-11-16  20  	/* whitelist the allowed round counts */
aa7624093cb7fb lib/chacha.c   Eric Biggers  2018-11-16  21  	WARN_ON_ONCE(nrounds != 20 && nrounds != 12);
1ca1b917940c24 lib/chacha.c   Eric Biggers  2018-11-16  22  
1ca1b917940c24 lib/chacha.c   Eric Biggers  2018-11-16  23  	for (i = 0; i < nrounds; i += 2) {
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  24  		x[0]  += x[4];    x[12] = rol32(x[12] ^ x[0],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  25  		x[1]  += x[5];    x[13] = rol32(x[13] ^ x[1],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  26  		x[2]  += x[6];    x[14] = rol32(x[14] ^ x[2],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  27  		x[3]  += x[7];    x[15] = rol32(x[15] ^ x[3],  16);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  28  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  29  		x[8]  += x[12];   x[4]  = rol32(x[4]  ^ x[8],  12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  30  		x[9]  += x[13];   x[5]  = rol32(x[5]  ^ x[9],  12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  31  		x[10] += x[14];   x[6]  = rol32(x[6]  ^ x[10], 12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  32  		x[11] += x[15];   x[7]  = rol32(x[7]  ^ x[11], 12);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  33  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  34  		x[0]  += x[4];    x[12] = rol32(x[12] ^ x[0],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  35  		x[1]  += x[5];    x[13] = rol32(x[13] ^ x[1],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  36  		x[2]  += x[6];    x[14] = rol32(x[14] ^ x[2],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  37  		x[3]  += x[7];    x[15] = rol32(x[15] ^ x[3],   8);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  38  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  39  		x[8]  += x[12];   x[4]  = rol32(x[4]  ^ x[8],   7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  40  		x[9]  += x[13];   x[5]  = rol32(x[5]  ^ x[9],   7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  41  		x[10] += x[14];   x[6]  = rol32(x[6]  ^ x[10],  7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  42  		x[11] += x[15];   x[7]  = rol32(x[7]  ^ x[11],  7);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  43  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  44  		x[0]  += x[5];    x[15] = rol32(x[15] ^ x[0],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  45  		x[1]  += x[6];    x[12] = rol32(x[12] ^ x[1],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  46  		x[2]  += x[7];    x[13] = rol32(x[13] ^ x[2],  16);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  47  		x[3]  += x[4];    x[14] = rol32(x[14] ^ x[3],  16);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  48  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  49  		x[10] += x[15];   x[5]  = rol32(x[5]  ^ x[10], 12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  50  		x[11] += x[12];   x[6]  = rol32(x[6]  ^ x[11], 12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  51  		x[8]  += x[13];   x[7]  = rol32(x[7]  ^ x[8],  12);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  52  		x[9]  += x[14];   x[4]  = rol32(x[4]  ^ x[9],  12);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  53  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  54  		x[0]  += x[5];    x[15] = rol32(x[15] ^ x[0],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  55  		x[1]  += x[6];    x[12] = rol32(x[12] ^ x[1],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  56  		x[2]  += x[7];    x[13] = rol32(x[13] ^ x[2],   8);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  57  		x[3]  += x[4];    x[14] = rol32(x[14] ^ x[3],   8);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  58  
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  59  		x[10] += x[15];   x[5]  = rol32(x[5]  ^ x[10],  7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  60  		x[11] += x[12];   x[6]  = rol32(x[6]  ^ x[11],  7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  61  		x[8]  += x[13];   x[7]  = rol32(x[7]  ^ x[8],   7);
7660b1fb367eb3 lib/chacha20.c Eric Biggers  2017-12-31  62  		x[9]  += x[14];   x[4]  = rol32(x[4]  ^ x[9],   7);
e192be9d9a3055 lib/chacha20.c Theodore Ts'o 2016-06-12  63  	}
dd333449d0fb66 lib/chacha20.c Eric Biggers  2018-11-16 @64  }
dd333449d0fb66 lib/chacha20.c Eric Biggers  2018-11-16  65  

:::::: The code at line 64 was first introduced by commit
:::::: dd333449d0fb667c5250c42488a7e90470e16c77 crypto: chacha20-generic - add HChaCha20 library function

:::::: TO: Eric Biggers <ebiggers@google.com>
:::::: CC: Herbert Xu <herbert@gondor.apana.org.au>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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