On Wed, 2023-01-25 at 07:11 +0800, kernel test robot wrote: > Hi James, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on char-misc/char-misc-testing] > [also build test WARNING on char-misc/char-misc-next char-misc/char- > misc-linus zohar-integrity/next-integrity linus/master v6.2-rc5 next- > 20230124] > [If your patch is applied to the wrong git tree, kindly drop us a > note. > And when submitting patch, we suggest to use '--base' as documented > in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: > https://github.com/intel-lab-lkp/linux/commits/James-Bottomley/tpm-move-buffer-handling-from-static-inlines-to-real-functions/20230125-020146 > patch link: > https://lore.kernel.org/r/20230124175516.5984-7-James.Bottomley%40HansenPartnership.com > patch subject: [PATCH v2 06/11] tpm: Add full HMAC and > encrypt/decrypt session handling code > config: arc-allyesconfig > (https://download.01.org/0day-ci/archive/20230125/202301250706.deGvd0 > yq-lkp@xxxxxxxxx/config) > compiler: arceb-elf-gcc (GCC) 12.1.0 > 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://github.com/intel-lab-lkp/linux/commit/dc0fc74718b4a786aba4a954233e8ab3afdcc03c > git remote add linux-review > https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review James-Bottomley/tpm-move- > buffer-handling-from-static-inlines-to-real-functions/20230125-020146 > git checkout dc0fc74718b4a786aba4a954233e8ab3afdcc03c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 > make.cross W=1 O=build_dir ARCH=arc olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 > make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/char/tpm/ > > If you fix the issue, kindly add following tag where applicable > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > drivers/char/tpm/tpm2-sessions.c:1184:5: warning: no previous > prototype for 'tpm2_create_null_primary' [-Wmissing-prototypes] > 1184 | int tpm2_create_null_primary(struct tpm_chip *chip) { > | ^~~~~~~~~~~~~~~~~~~~~~~~ > drivers/char/tpm/tpm2-sessions.c: In function > 'tpm_buf_check_hmac_response': > > > drivers/char/tpm/tpm2-sessions.c:831:1: warning: the frame size > > > of 1132 bytes is larger than 1024 bytes [-Wframe-larger-than=] > 831 | } > | ^ > drivers/char/tpm/tpm2-sessions.c: In function > 'tpm_buf_fill_hmac_session': > drivers/char/tpm/tpm2-sessions.c:579:1: warning: the frame size of > 1132 bytes is larger than 1024 bytes [-Wframe-larger-than=] > 579 | } > | ^ Is this a test problem? I can't see why the code would only blow the stack on the arc architecture and not on any other ... does it have something funny with on stack crypto structures? James
