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Message-ID: <202109110507.ucpEmrwz-lkp@intel.com>
Date: Sat, 11 Sep 2021 05:52:51 +0800
From: kernel test robot <lkp@...el.com>
To: Nayna Jain <nayna@...ux.ibm.com>, linux-integrity@...r.kernel.org,
keyrings@...r.kernel.org
Cc: kbuild-all@...ts.01.org, dhowells@...hat.com, zohar@...ux.ibm.com,
jarkko@...nel.org, seth.forshee@...onical.com,
linux-security-module@...r.kernel.org,
linux-kernel@...r.kernel.org, Nayna Jain <nayna@...ux.ibm.com>
Subject: Re: [PATCH] integrity: support including firmware ".platform" keys
at build time
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@...el.com>
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@lists.01.org
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