Hi Nayna, I love your patch! Perhaps something to improve: [auto build test WARNING on integrity/next-integrity] [also build test WARNING on linus/master v5.14 next-20210910] [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] url: https://github.com/0day-ci/linux/commits/Nayna-Jain/integrity-support-including-firmware-platform-keys-at-build-time/20210911-012617 base: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity config: nios2-defconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/fb58bf03a2f9965a2e0cfdcb16d1bad2fc5f083a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nayna-Jain/integrity-support-including-firmware-platform-keys-at-build-time/20210911-012617 git checkout fb58bf03a2f9965a2e0cfdcb16d1bad2fc5f083a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): certs/common.c: In function 'load_certificate_list': certs/common.c:11:9: error: unknown type name 'key_ref_t'; did you mean 'key_ref_put'? 11 | key_ref_t key; | ^~~~~~~~~ | key_ref_put certs/common.c:31:23: error: implicit declaration of function 'key_create_or_update' [-Werror=implicit-function-declaration] 31 | key = key_create_or_update(make_key_ref(keyring, 1), | ^~~~~~~~~~~~~~~~~~~~ certs/common.c:36:46: error: 'KEY_POS_ALL' undeclared (first use in this function) 36 | ((KEY_POS_ALL & ~KEY_POS_SETATTR) | | ^~~~~~~~~~~ certs/common.c:36:46: note: each undeclared identifier is reported only once for each function it appears in certs/common.c:36:61: error: 'KEY_POS_SETATTR' undeclared (first use in this function) 36 | ((KEY_POS_ALL & ~KEY_POS_SETATTR) | | ^~~~~~~~~~~~~~~ certs/common.c:37:44: error: 'KEY_USR_VIEW' undeclared (first use in this function) 37 | KEY_USR_VIEW | KEY_USR_READ), | ^~~~~~~~~~~~ certs/common.c:37:59: error: 'KEY_USR_READ' undeclared (first use in this function) 37 | KEY_USR_VIEW | KEY_USR_READ), | ^~~~~~~~~~~~ certs/common.c:38:44: error: 'KEY_ALLOC_NOT_IN_QUOTA' undeclared (first use in this function) 38 | KEY_ALLOC_NOT_IN_QUOTA | | ^~~~~~~~~~~~~~~~~~~~~~ certs/common.c:39:44: error: 'KEY_ALLOC_BUILT_IN' undeclared (first use in this function) 39 | KEY_ALLOC_BUILT_IN | | ^~~~~~~~~~~~~~~~~~ certs/common.c:40:44: error: 'KEY_ALLOC_BYPASS_RESTRICTION' undeclared (first use in this function) 40 | KEY_ALLOC_BYPASS_RESTRICTION); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> certs/common.c:41:28: warning: passing argument 1 of 'IS_ERR' makes pointer from integer without a cast [-Wint-conversion] 41 | if (IS_ERR(key)) { | ^~~ | | | int In file included from include/linux/rwsem.h:18, from include/linux/key.h:18, from certs/common.c:4: include/linux/err.h:34:60: note: expected 'const void *' but argument is of type 'int' 34 | static inline bool __must_check IS_ERR(__force const void *ptr) | ~~~~~~~~~~~~^~~ In file included from include/linux/kernel.h:19, from certs/common.c:3: >> certs/common.c:43:40: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast [-Wint-conversion] 43 | PTR_ERR(key)); | ^~~ | | | int include/linux/printk.h:390:40: note: in definition of macro 'pr_err' 390 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ In file included from include/linux/rwsem.h:18, from include/linux/key.h:18, from certs/common.c:4: include/linux/err.h:29:61: note: expected 'const void *' but argument is of type 'int' 29 | static inline long __must_check PTR_ERR(__force const void *ptr) | ~~~~~~~~~~~~^~~ In file included from include/linux/kernel.h:19, from certs/common.c:3: >> certs/common.c:46:54: warning: dereferencing 'void *' pointer 46 | key_ref_to_ptr(key)->description); | ^~ include/linux/printk.h:410:43: note: in definition of macro 'pr_notice' 410 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ certs/common.c:46:54: error: request for member 'description' in something not a structure or union 46 | key_ref_to_ptr(key)->description); | ^~ include/linux/printk.h:410:43: note: in definition of macro 'pr_notice' 410 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +/IS_ERR +41 certs/common.c 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 6 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 7 int load_certificate_list(const u8 cert_list[], 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 8 const unsigned long list_size, 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 9 const struct key *keyring) 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 10 { 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 11 key_ref_t key; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 12 const u8 *p, *end; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 13 size_t plen; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 14 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 15 p = cert_list; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 16 end = p + list_size; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 17 while (p < end) { 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 18 /* Each cert begins with an ASN.1 SEQUENCE tag and must be more 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 19 * than 256 bytes in size. 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 20 */ 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 21 if (end - p < 4) 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 22 goto dodgy_cert; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 23 if (p[0] != 0x30 && 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 24 p[1] != 0x82) 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 25 goto dodgy_cert; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 26 plen = (p[2] << 8) | p[3]; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 27 plen += 4; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 28 if (plen > end - p) 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 29 goto dodgy_cert; 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 30 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 31 key = key_create_or_update(make_key_ref(keyring, 1), 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 32 "asymmetric", 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 33 NULL, 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 34 p, 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 35 plen, 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 36 ((KEY_POS_ALL & ~KEY_POS_SETATTR) | 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 37 KEY_USR_VIEW | KEY_USR_READ), 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 38 KEY_ALLOC_NOT_IN_QUOTA | 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 39 KEY_ALLOC_BUILT_IN | 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 40 KEY_ALLOC_BYPASS_RESTRICTION); 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 @41 if (IS_ERR(key)) { 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 42 pr_err("Problem loading in-kernel X.509 certificate (%ld)\n", 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 @43 PTR_ERR(key)); 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 44 } else { 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 45 pr_notice("Loaded X.509 cert '%s'\n", 2565ca7f5ec1a9 Eric Snowberg 2021-01-22 @46 key_ref_to_ptr(key)->description); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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