Re: [PATCH v7 04/11] LSM: syscalls for current process attributes
From: kernel test robot
Date: Thu Mar 16 2023 - 08:36:48 EST
Hi Casey,
I love your patch! Yet something to improve:
[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes linus/master v6.3-rc2]
[cannot apply to tip/perf/core acme/perf/core next-20230316]
[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-Maintain-a-table-of-LSM-attribute-data/20230316-074751
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/r/20230315224704.2672-5-casey%40schaufler-ca.com
patch subject: [PATCH v7 04/11] LSM: syscalls for current process attributes
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230316/202303162018.FY1iL9wN-lkp@xxxxxxxxx/config)
compiler: sh4-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/0883a93af669a6fcb80a9cc74737d5285a1c46ae
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Casey-Schaufler/LSM-Maintain-a-table-of-LSM-attribute-data/20230316-074751
git checkout 0883a93af669a6fcb80a9cc74737d5285a1c46ae
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303162018.FY1iL9wN-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from security/lsm_syscalls.c:15:
>> include/linux/syscalls.h:243:25: error: conflicting types for 'sys_lsm_set_self_attr'; have 'long int(unsigned int, struct lsm_ctx *, size_t, u32)' {aka 'long int(unsigned 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:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
security/lsm_syscalls.c:31:1: note: in expansion of macro 'SYSCALL_DEFINE4'
31 | SYSCALL_DEFINE4(lsm_set_self_attr, unsigned int, attr, struct lsm_ctx __user *,
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:1064:17: note: previous declaration of 'sys_lsm_set_self_attr' with type 'long int(unsigned int, struct lsm_ctx *, __u64)' {aka 'long int(unsigned int, struct lsm_ctx *, long long unsigned int)'}
1064 | asmlinkage long sys_lsm_set_self_attr(unsigned int attr, struct lsm_ctx *ctx,
| ^~~~~~~~~~~~~~~~~~~~~
>> include/linux/syscalls.h:243:25: error: conflicting types for 'sys_lsm_get_self_attr'; have 'long int(unsigned int, struct lsm_ctx *, size_t *, u32)' {aka 'long int(unsigned 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:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
security/lsm_syscalls.c:51:1: note: in expansion of macro 'SYSCALL_DEFINE4'
51 | SYSCALL_DEFINE4(lsm_get_self_attr, unsigned int, attr, struct lsm_ctx __user *,
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:1062:17: note: previous declaration of 'sys_lsm_get_self_attr' with type 'long int(unsigned int, struct lsm_ctx *, size_t *, __u64)' {aka 'long int(unsigned int, struct lsm_ctx *, unsigned int *, long long unsigned int)'}
1062 | asmlinkage long sys_lsm_get_self_attr(unsigned int attr, struct lsm_ctx *ctx,
| ^~~~~~~~~~~~~~~~~~~~~
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
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