From: kernel test robot <lkp@intel.com>
To: "Maxime Bélair" <maxime.belair@canonical.com>,
linux-security-module@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, john.johansen@canonical.com,
paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com,
mic@digikod.net, kees@kernel.org, stephen.smalley.work@gmail.com,
casey@schaufler-ca.com, takedakn@nttdata.co.jp,
penguin-kernel@i-love.sakura.ne.jp, song@kernel.org,
rdunlap@infraread.org, linux-api@vger.kernel.org,
apparmor@lists.ubuntu.com, linux-kernel@vger.kernel.org,
"Maxime Bélair" <maxime.belair@canonical.com>
Subject: Re: [PATCH v3 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
Date: Fri, 27 Jun 2025 14:31:31 +0800 [thread overview]
Message-ID: <202506271432.Hsg0FzKQ-lkp@intel.com> (raw)
In-Reply-To: <20250624143211.436045-2-maxime.belair@canonical.com>
Hi Maxime,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 9c32cda43eb78f78c73aee4aa344b777714e259b]
url: https://github.com/intel-lab-lkp/linux/commits/Maxime-B-lair/Wire-up-lsm_config_self_policy-and-lsm_config_system_policy-syscalls/20250624-225008
base: 9c32cda43eb78f78c73aee4aa344b777714e259b
patch link: https://lore.kernel.org/r/20250624143211.436045-2-maxime.belair%40canonical.com
patch subject: [PATCH v3 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
config: riscv-randconfig-001-20250627 (https://download.01.org/0day-ci/archive/20250627/202506271432.Hsg0FzKQ-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250627/202506271432.Hsg0FzKQ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506271432.Hsg0FzKQ-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/compat.h:34,
from arch/riscv/include/asm/elf.h:12,
from include/linux/elf.h:6,
from include/linux/module.h:19,
from include/linux/bpf.h:20,
from include/linux/security.h:35,
from security/lsm_syscalls.c:13:
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lsm_set_self_attr' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:55:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(lsm_set_self_attr, unsigned int, attr, struct lsm_ctx __user *,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:55:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(lsm_set_self_attr, unsigned int, attr, struct lsm_ctx __user *,
^~~~~~~~~~~~~~~
>> arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lsm_config_system_policy' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:128:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(lsm_config_system_policy, u32, lsm_id, u32, op, void __user *,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:128:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(lsm_config_system_policy, u32, lsm_id, u32, op, void __user *,
^~~~~~~~~~~~~~~
>> arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lsm_config_self_policy' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:122:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(lsm_config_self_policy, u32, lsm_id, u32, op, void __user *,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:122:1: note: in expansion of macro 'SYSCALL_DEFINE5'
SYSCALL_DEFINE5(lsm_config_self_policy, u32, lsm_id, u32, op, void __user *,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lsm_list_modules' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:96:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(lsm_list_modules, u64 __user *, ids, u32 __user *, size,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:96:1: note: in expansion of macro 'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(lsm_list_modules, u64 __user *, ids, u32 __user *, size,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lsm_get_self_attr' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias]
static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
^~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:77:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(lsm_get_self_attr, unsigned int, attr, struct lsm_ctx __user *,
^~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
^~~~~~
arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx'
__SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
^~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
security/lsm_syscalls.c:77:1: note: in expansion of macro 'SYSCALL_DEFINE4'
SYSCALL_DEFINE4(lsm_get_self_attr, unsigned int, attr, struct lsm_ctx __user *,
^~~~~~~~~~~~~~~
vim +35 arch/riscv/include/asm/syscall_wrapper.h
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 16
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 17 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 18 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 19 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 20
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 21 #define SC_RISCV_REGS_TO_ARGS(x, ...) \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 22 __MAP(x,__SC_ARGS \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 23 ,,regs->orig_a0,,regs->a1,,regs->a2 \
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 24 ,,regs->a3,,regs->a4,,regs->a5,,regs->a6)
08d0ce30e0e4fc Sami Tolvanen 2023-07-10 25
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 26 #else
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 27 /*
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 28 * Use type aliasing to ensure registers a0-a6 are correctly passed to the syscall
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 29 * implementation when >word-size arguments are used.
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 30 */
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 31 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 32 __diag_push(); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 33 __diag_ignore(GCC, 8, "-Wattribute-alias", \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 34 "Type aliasing is used to sanitize syscall arguments"); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 @35 static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 36 ulong) \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 37 __attribute__((alias(__stringify(___se_##prefix##name)))); \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 38 __diag_pop(); \
653650c468be21 Sami Tolvanen 2024-03-26 39 static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
653650c468be21 Sami Tolvanen 2024-03-26 40 __used; \
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 41 static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
a9ad73295cc1e3 Sami Tolvanen 2024-03-11 42
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-06-27 6:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 14:30 [PATCH v3 0/3] lsm: introduce lsm_config_self_policy() and lsm_config_system_policy() syscalls Maxime Bélair
2025-06-24 14:30 ` [PATCH v3 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls Maxime Bélair
2025-06-27 6:31 ` kernel test robot [this message]
2025-06-24 14:30 ` [PATCH v3 2/3] lsm: introduce security_lsm_config_*_policy hooks Maxime Bélair
2025-06-25 0:42 ` kernel test robot
2025-06-25 1:08 ` Tetsuo Handa
2025-07-01 9:16 ` Maxime Bélair
2025-06-24 14:30 ` [PATCH v3 3/3] AppArmor: add support for lsm_config_self_policy and lsm_config_system_policy Maxime Bélair
2025-06-25 1:21 ` Tetsuo Handa
2025-07-01 9:10 ` Maxime Bélair
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202506271432.Hsg0FzKQ-lkp@intel.com \
--to=lkp@intel.com \
--cc=apparmor@lists.ubuntu.com \
--cc=casey@schaufler-ca.com \
--cc=jmorris@namei.org \
--cc=john.johansen@canonical.com \
--cc=kees@kernel.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=maxime.belair@canonical.com \
--cc=mic@digikod.net \
--cc=oe-kbuild-all@lists.linux.dev \
--cc=paul@paul-moore.com \
--cc=penguin-kernel@i-love.sakura.ne.jp \
--cc=rdunlap@infraread.org \
--cc=serge@hallyn.com \
--cc=song@kernel.org \
--cc=stephen.smalley.work@gmail.com \
--cc=takedakn@nttdata.co.jp \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).