Re: [v1 PATCH 1/2] Refactoring carrying over IMA measuremnet logs over Kexec.

From: kernel test robot
Date: Sun Jun 07 2020 - 22:48:30 EST


Hi Prakhar,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on powerpc/next soc/for-next v5.7 next-20200605]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Prakhar-Srivastava/Adding-support-to-carry-IMA-measurement-logs/20200608-073805
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

arch/powerpc/kexec/ima.c:24:5: warning: no previous prototype for 'arch_ima_add_kexec_buffer' [-Wmissing-prototypes]
24 | int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kexec/ima.c:62:5: warning: no previous prototype for 'setup_ima_buffer' [-Wmissing-prototypes]
62 | int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node)
| ^~~~~~~~~~~~~~~~
arch/powerpc/kexec/ima.c: In function 'setup_ima_buffer':
>> arch/powerpc/kexec/ima.c:71:8: error: implicit declaration of function 'get_addr_size_cells'; did you mean 'fdt_address_cells'? [-Werror=implicit-function-declaration]
71 | ret = get_addr_size_cells(&addr_cells, &size_cells);
| ^~~~~~~~~~~~~~~~~~~
| fdt_address_cells
cc1: some warnings being treated as errors

vim +71 arch/powerpc/kexec/ima.c

ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 53
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 54 /**
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 55 * setup_ima_buffer - add IMA buffer information to the fdt
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 56 * @image: kexec image being loaded.
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 57 * @fdt: Flattened device tree for the next kernel.
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 58 * @chosen_node: Offset to the chosen node.
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 59 *
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 60 * Return: 0 on success, or negative errno on error.
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 61 */
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 62 int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node)
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 63 {
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 64 int ret, addr_cells, size_cells, entry_size;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 65 u8 value[16];
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 66
aea659ce44ba07 arch/powerpc/kexec/ima.c Prakhar Srivastava 2020-06-07 67 // remove_ima_buffer(fdt, chosen_node);
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 68 if (!image->arch.ima_buffer_size)
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 69 return 0;
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 70
ab6b1d1fc4aae6 arch/powerpc/kernel/ima_kexec.c Thiago Jung Bauermann 2016-12-19 @71 ret = get_addr_size_cells(&addr_cells, &size_cells);

:::::: The code at line 71 was first introduced by commit
:::::: ab6b1d1fc4aae6b8bd6fb1422405568094c9b40f powerpc: ima: send the kexec buffer to the next kernel

:::::: TO: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip