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SubjectRe: [PATCH] module: Implement sig_unenforce parameter
Hi Brett,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17]
[cannot apply to next-20180605]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Brett-T-Warden/module-Implement-sig_unenforce-parameter/20180606-200056
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 8.1.0
reproduce:
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
make.cross ARCH=xtensa

All errors (new ones prefixed by >>):

kernel/module.c: In function 'proc_modules_init':
>> kernel/module.c:4255:21: error: invalid use of undefined type 'struct boot_params'
switch (boot_params.secure_boot) {
^
In file included from kernel/module.c:35:
kernel/module.c: At top level:
include/linux/syscalls.h:233:18: warning: 'sys_delete_module' alias between functions of incompatible types 'long int(const char *, unsigned int)' and 'long int(long int, long int)' [-Wattribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:212:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:969:1: note: in expansion of macro 'SYSCALL_DEFINE2'
SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
^~~~~~~~~~~~~~~
include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:212:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:969:1: note: in expansion of macro 'SYSCALL_DEFINE2'
SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
^~~~~~~~~~~~~~~
include/linux/syscalls.h:233:18: warning: 'sys_finit_module' alias between functions of incompatible types 'long int(int, const char *, int)' and 'long int(long int, long int, long int)' [-Wattribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:3865:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs, int, flags)
^~~~~~~~~~~~~~~
include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:3865:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs, int, flags)
^~~~~~~~~~~~~~~
include/linux/syscalls.h:233:18: warning: 'sys_init_module' alias between functions of incompatible types 'long int(void *, long unsigned int, const char *)' and 'long int(long int, long int, long int)' [-Wattribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:3845:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(init_module, void __user *, umod,
^~~~~~~~~~~~~~~
include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
kernel/module.c:3845:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(init_module, void __user *, umod,
^~~~~~~~~~~~~~~

vim +4255 kernel/module.c

4249
4250 static int __init proc_modules_init(void)
4251 {
4252 proc_create("modules", 0, NULL, &proc_modules_operations);
4253
4254 #ifdef CONFIG_MODULE_SIG_FORCE
> 4255 switch (boot_params.secure_boot) {
4256 case efi_secureboot_mode_unset:
4257 case efi_secureboot_mode_unknown:
4258 case efi_secureboot_mode_disabled:
4259 /*
4260 * sig_unenforce is only applied if SecureBoot is not
4261 * enabled.
4262 */
4263 sig_enforce = !sig_unenforce;
4264 }
4265 #endif
4266
4267 return 0;
4268 }
4269 module_init(proc_modules_init);
4270 #endif
4271

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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