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Subjectdrivers/crypto/sa2ul.c:432:1: warning: the frame size of 1076 bytes is larger than 1024 bytes
Hi Keerthy,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 865c50e1d279671728c2936cb7680eb89355eeea
commit: d2c8ac187fc922e73930a1b2f6a211e27f595d01 crypto: sa2ul - Add AEAD algorithm support
date: 3 months ago
config: arc-randconfig-r005-20201013 (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d2c8ac187fc922e73930a1b2f6a211e27f595d01
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d2c8ac187fc922e73930a1b2f6a211e27f595d01
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

In file included from include/linux/printk.h:404,
from include/linux/kernel.h:15,
from include/linux/clk.h:13,
from drivers/crypto/sa2ul.c:11:
drivers/crypto/sa2ul.c: In function 'sa_sha_init':
drivers/crypto/sa2ul.c:1486:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1486 | crypto_ahash_digestsize(tfm), (u64)rctx);
| ^
include/linux/dynamic_debug.h:125:15: note: in definition of macro '__dynamic_func_call'
125 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call'
157 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:115:2: note: in expansion of macro 'dynamic_dev_dbg'
115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
drivers/crypto/sa2ul.c:1485:2: note: in expansion of macro 'dev_dbg'
1485 | dev_dbg(sa_k3_dev, "init: digest size: %d, rctx=%llx\n",
| ^~~~~~~
drivers/crypto/sa2ul.c: In function 'sa_prepare_iopads':
>> drivers/crypto/sa2ul.c:432:1: warning: the frame size of 1076 bytes is larger than 1024 bytes [-Wframe-larger-than=]
432 | }
| ^

vim +432 drivers/crypto/sa2ul.c

407
408 static void sa_prepare_iopads(struct algo_data *data, const u8 *key,
409 u16 key_sz, __be32 *ipad, __be32 *opad)
410 {
411 SHASH_DESC_ON_STACK(shash, data->ctx->shash);
412 int block_size = crypto_shash_blocksize(data->ctx->shash);
413 int digest_size = crypto_shash_digestsize(data->ctx->shash);
414 u8 k_ipad[SHA1_BLOCK_SIZE];
415 u8 k_opad[SHA1_BLOCK_SIZE];
416
417 shash->tfm = data->ctx->shash;
418
419 prepare_kiopad(k_ipad, k_opad, key, key_sz);
420
421 memzero_explicit(ipad, block_size);
422 memzero_explicit(opad, block_size);
423
424 crypto_shash_init(shash);
425 crypto_shash_update(shash, k_ipad, block_size);
426 sa_export_shash(shash, block_size, digest_size, ipad);
427
428 crypto_shash_init(shash);
429 crypto_shash_update(shash, k_opad, block_size);
430
431 sa_export_shash(shash, block_size, digest_size, opad);
> 432 }
433

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