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Date: Sun, 4 Dec 2022 10:16:33 +0800
From: kernel test robot <lkp@...el.com>
To: Casey Schaufler <casey@...aufler-ca.com>,
casey.schaufler@...el.com, paul@...l-moore.com,
linux-security-module@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, casey@...aufler-ca.com,
jmorris@...ei.org, keescook@...omium.org,
john.johansen@...onical.com, penguin-kernel@...ove.sakura.ne.jp,
stephen.smalley.work@...il.com, linux-kernel@...r.kernel.org,
linux-api@...r.kernel.org, mic@...ikod.net
Subject: Re: [PATCH v3 5/9] LSM: lsm_get_self_attr syscall for LSM self
attributes
Hi Casey,
I love your patch! Yet something to improve:
[auto build test ERROR on tip/perf/core]
[also build test ERROR on acme/perf/core shuah-kselftest/next shuah-kselftest/fixes linus/master v6.1-rc7]
[cannot apply to next-20221202]
[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/Casey-Schaufler/LSM-Identify-modules-by-more-than-name/20221124-051600
patch link: https://lore.kernel.org/r/20221123201552.7865-6-casey%40schaufler-ca.com
patch subject: [PATCH v3 5/9] LSM: lsm_get_self_attr syscall for LSM self attributes
config: openrisc-randconfig-m031-20221204
compiler: or1k-linux-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/3ac4c5ad809a20ae21e121f48716bade40790d55
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Casey-Schaufler/LSM-Identify-modules-by-more-than-name/20221124-051600
git checkout 3ac4c5ad809a20ae21e121f48716bade40790d55
# 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=openrisc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from security/lsm_syscalls.c:15:
include/linux/syscalls.h:1060:46: warning: 'struct lsm_ctx' declared inside parameter list will not be visible outside of this definition or declaration
1060 | asmlinkage long sys_lsm_get_self_attr(struct lsm_ctx *ctx, size_t *size,
| ^~~~~~~
>> include/linux/syscalls.h:243:25: error: conflicting types for 'sys_lsm_get_self_attr'; have 'long int(struct lsm_ctx *, __kernel_size_t *, __u32)' {aka 'long int(struct lsm_ctx *, unsigned int *, unsigned int)'}
243 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^~~
include/linux/syscalls.h:229:9: note: in expansion of macro '__SYSCALL_DEFINEx'
229 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:220:36: note: in expansion of macro 'SYSCALL_DEFINEx'
220 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
security/lsm_syscalls.c:61:1: note: in expansion of macro 'SYSCALL_DEFINE3'
61 | SYSCALL_DEFINE3(lsm_get_self_attr,
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:1060:17: note: previous declaration of 'sys_lsm_get_self_attr' with type 'long int(struct lsm_ctx *, size_t *, int)' {aka 'long int(struct lsm_ctx *, unsigned int *, int)'}
1060 | asmlinkage long sys_lsm_get_self_attr(struct lsm_ctx *ctx, size_t *size,
| ^~~~~~~~~~~~~~~~~~~~~
vim +243 include/linux/syscalls.h
1bd21c6c21e848 Dominik Brodowski 2018-04-05 232
e145242ea0df6b Dominik Brodowski 2018-04-09 233 /*
e145242ea0df6b Dominik Brodowski 2018-04-09 234 * The asmlinkage stub is aliased to a function named __se_sys_*() which
e145242ea0df6b Dominik Brodowski 2018-04-09 235 * sign-extends 32-bit ints to longs whenever needed. The actual work is
e145242ea0df6b Dominik Brodowski 2018-04-09 236 * done within __do_sys_*().
e145242ea0df6b Dominik Brodowski 2018-04-09 237 */
1bd21c6c21e848 Dominik Brodowski 2018-04-05 238 #ifndef __SYSCALL_DEFINEx
bed1ffca022cc8 Frederic Weisbecker 2009-03-13 239 #define __SYSCALL_DEFINEx(x, name, ...) \
bee20031772af3 Arnd Bergmann 2018-06-19 240 __diag_push(); \
bee20031772af3 Arnd Bergmann 2018-06-19 241 __diag_ignore(GCC, 8, "-Wattribute-alias", \
bee20031772af3 Arnd Bergmann 2018-06-19 242 "Type aliasing is used to sanitize syscall arguments");\
83460ec8dcac14 Andi Kleen 2013-11-12 @243 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
e145242ea0df6b Dominik Brodowski 2018-04-09 244 __attribute__((alias(__stringify(__se_sys##name)))); \
c9a211951c7c79 Howard McLauchlan 2018-03-21 245 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
e145242ea0df6b Dominik Brodowski 2018-04-09 246 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
e145242ea0df6b Dominik Brodowski 2018-04-09 247 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
e145242ea0df6b Dominik Brodowski 2018-04-09 248 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
1a94bc34768e46 Heiko Carstens 2009-01-14 249 { \
e145242ea0df6b Dominik Brodowski 2018-04-09 250 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
07fe6e00f6cca6 Al Viro 2013-01-21 251 __MAP(x,__SC_TEST,__VA_ARGS__); \
2cf0966683430b Al Viro 2013-01-21 252 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
2cf0966683430b Al Viro 2013-01-21 253 return ret; \
1a94bc34768e46 Heiko Carstens 2009-01-14 254 } \
bee20031772af3 Arnd Bergmann 2018-06-19 255 __diag_pop(); \
e145242ea0df6b Dominik Brodowski 2018-04-09 256 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
1bd21c6c21e848 Dominik Brodowski 2018-04-05 257 #endif /* __SYSCALL_DEFINEx */
1a94bc34768e46 Heiko Carstens 2009-01-14 258
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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