Hi Herbert,Could you take a look at this warning? Roberto mentioned you in previous report:
https://lore.kernel.org/linux-integrity/9dbec9465bda4f8995a42593eb0db...@huawei.com/
Best Regards, Rong Chen On 6/17/20 9:35 PM, kernel test robot wrote:
Hi Roberto, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69119673bd50b176ded34032fadd41530fb5af21 commit: 1ea973df6e2166d1a576cabe5d08925d3261ff9d ima: Calculate and extend PCR with digests in ima_template_entry date: 8 weeks ago config: mips-randconfig-r014-20200617 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu git checkout 1ea973df6e2166d1a576cabe5d08925d3261ff9d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<):security/integrity/ima/ima_crypto.c:575:12: warning: stack frame size of 1152 bytes in function 'ima_calc_field_array_hash_tfm' [-Wframe-larger-than=]static int ima_calc_field_array_hash_tfm(struct ima_field_data *field_data, ^ 1 warning generated. vim +/ima_calc_field_array_hash_tfm +575 security/integrity/ima/ima_crypto.c 3bcced39ea7d1b Dmitry Kasatkin 2014-02-26 571 3323eec921efd8 Mimi Zohar 2009-02-04 572 /* a71dc65d30a472 Roberto Sassu 2013-06-07 573 * Calculate the hash of template data 3323eec921efd8 Mimi Zohar 2009-02-04 574 */ a71dc65d30a472 Roberto Sassu 2013-06-07 @575 static int ima_calc_field_array_hash_tfm(struct ima_field_data *field_data, 7ca79645a1f883 Roberto Sassu 2020-03-25 576 struct ima_template_entry *entry, 6d94809af6b083 Roberto Sassu 2020-03-25 577 int tfm_idx) 3323eec921efd8 Mimi Zohar 2009-02-04 578 { 6d94809af6b083 Roberto Sassu 2020-03-25 579 SHASH_DESC_ON_STACK(shash, ima_algo_array[tfm_idx].tfm); 7ca79645a1f883 Roberto Sassu 2020-03-25 580 struct ima_template_desc *td = entry->template_desc; 7ca79645a1f883 Roberto Sassu 2020-03-25 581 int num_fields = entry->template_desc->num_fields; a71dc65d30a472 Roberto Sassu 2013-06-07 582 int rc, i; 3323eec921efd8 Mimi Zohar 2009-02-04 583 6d94809af6b083 Roberto Sassu 2020-03-25 584 shash->tfm = ima_algo_array[tfm_idx].tfm; 3323eec921efd8 Mimi Zohar 2009-02-04 585 357aabed626fe3 Behan Webster 2014-04-04 586 rc = crypto_shash_init(shash); a71dc65d30a472 Roberto Sassu 2013-06-07 587 if (rc != 0) a71dc65d30a472 Roberto Sassu 2013-06-07 588 return rc; a71dc65d30a472 Roberto Sassu 2013-06-07 589 a71dc65d30a472 Roberto Sassu 2013-06-07 590 for (i = 0; i < num_fields; i++) { e3b64c268b485f Roberto Sassu 2014-02-03 591 u8 buffer[IMA_EVENT_NAME_LEN_MAX + 1] = { 0 }; e3b64c268b485f Roberto Sassu 2014-02-03 592 u8 *data_to_hash = field_data[i].data; e3b64c268b485f Roberto Sassu 2014-02-03 593 u32 datalen = field_data[i].len; 98e1d55d033eed Andreas Steffen 2016-12-19 594 u32 datalen_to_hash = 98e1d55d033eed Andreas Steffen 2016-12-19 595 !ima_canonical_fmt ? datalen : cpu_to_le32(datalen); e3b64c268b485f Roberto Sassu 2014-02-03 596 b6f8f16f41d928 Roberto Sassu 2013-11-08 597 if (strcmp(td->name, IMA_TEMPLATE_IMA_NAME) != 0) { 357aabed626fe3 Behan Webster 2014-04-04 598 rc = crypto_shash_update(shash, 98e1d55d033eed Andreas Steffen 2016-12-19 599 (const u8 *) &datalen_to_hash, 98e1d55d033eed Andreas Steffen 2016-12-19 600 sizeof(datalen_to_hash)); b6f8f16f41d928 Roberto Sassu 2013-11-08 601 if (rc) b6f8f16f41d928 Roberto Sassu 2013-11-08 602 break; e3b64c268b485f Roberto Sassu 2014-02-03 603 } else if (strcmp(td->fields[i]->field_id, "n") == 0) { e3b64c268b485f Roberto Sassu 2014-02-03 604 memcpy(buffer, data_to_hash, datalen); e3b64c268b485f Roberto Sassu 2014-02-03 605 data_to_hash = buffer; e3b64c268b485f Roberto Sassu 2014-02-03 606 datalen = IMA_EVENT_NAME_LEN_MAX + 1; b6f8f16f41d928 Roberto Sassu 2013-11-08 607 } 357aabed626fe3 Behan Webster 2014-04-04 608 rc = crypto_shash_update(shash, data_to_hash, datalen); a71dc65d30a472 Roberto Sassu 2013-06-07 609 if (rc) a71dc65d30a472 Roberto Sassu 2013-06-07 610 break; a71dc65d30a472 Roberto Sassu 2013-06-07 611 } a71dc65d30a472 Roberto Sassu 2013-06-07 612 a71dc65d30a472 Roberto Sassu 2013-06-07 613 if (!rc) 6d94809af6b083 Roberto Sassu 2020-03-25 614 rc = crypto_shash_final(shash, entry->digests[tfm_idx].digest); a71dc65d30a472 Roberto Sassu 2013-06-07 615 a71dc65d30a472 Roberto Sassu 2013-06-07 616 return rc; 3323eec921efd8 Mimi Zohar 2009-02-04 617 } 3323eec921efd8 Mimi Zohar 2009-02-04 618 :::::: The code at line 575 was first introduced by commit :::::: a71dc65d30a472409f05d247f4eab91b14acf2f5 ima: switch to new template management mechanism :::::: TO: Roberto Sassu <roberto.sa...@polito.it> :::::: CC: Mimi Zohar <zo...@linux.vnet.ibm.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ kbuild-all mailing list -- kbuild-...@lists.01.org To unsubscribe send an email to kbuild-all-le...@lists.01.org
.config.gz
Description: application/gzip
