Re: [PATCH v10 07/11] LSM: Helpers for attribute names and filling lsm_ctx

From: kernel test robot
Date: Fri Apr 28 2023 - 21:06:58 EST

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In reply to: Casey Schaufler: "[PATCH v10 07/11] LSM: Helpers for attribute names and filling lsm_ctx"
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Hi Casey,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/perf/core]
[also build test ERROR on acme/perf/core shuah-kselftest/next shuah-kselftest/fixes v6.3]
[cannot apply to linus/master next-20230428]
[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/20230429-053458
base: tip/perf/core
patch link: https://lore.kernel.org/r/20230428203417.159874-8-casey%40schaufler-ca.com
patch subject: [PATCH v10 07/11] LSM: Helpers for attribute names and filling lsm_ctx
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20230429/202304290847.WxviiKLP-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/9830f4776196e33bee604b8ce3339177f8fd37f8
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/20230429-053458
git checkout 9830f4776196e33bee604b8ce3339177f8fd37f8
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=i386 olddefconfig
make W=1 O=build_dir ARCH=um SUBARCH=i386 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/202304290847.WxviiKLP-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from include/linux/perf_event.h:62,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:89,
from init/main.c:21:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
init/main.c: At top level:
init/main.c:775:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
775 | void __init __weak arch_post_acpi_subsys_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
init/main.c:787:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
787 | void __init __weak mem_encrypt_init(void) { }
| ^~~~~~~~~~~~~~~~
init/main.c:789:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes]
789 | void __init __weak poking_init(void) { }
| ^~~~~~~~~~~
--
In file included from init/do_mounts.c:9:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
--
In file included from include/net/scm.h:8,
from include/linux/netlink.h:9,
from include/uapi/linux/neighbour.h:6,
from include/linux/netdevice.h:46,
from include/uapi/linux/if_arp.h:27,
from include/linux/if_arp.h:23,
from arch/um/drivers/slirp_kern.c:6:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
arch/um/drivers/slirp_kern.c: At top level:
arch/um/drivers/slirp_kern.c:18:6: warning: no previous prototype for 'slirp_init' [-Wmissing-prototypes]
18 | void slirp_init(struct net_device *dev, void *data)
| ^~~~~~~~~~
--
In file included from include/linux/perf_event.h:62,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:89,
from arch/x86/um/tls_32.c:8:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/um/tls_32.c: At top level:
arch/x86/um/tls_32.c:23:5: warning: no previous prototype for 'do_set_thread_area' [-Wmissing-prototypes]
23 | int do_set_thread_area(struct user_desc *info)
| ^~~~~~~~~~~~~~~~~~
arch/x86/um/tls_32.c:39:5: warning: no previous prototype for 'do_get_thread_area' [-Wmissing-prototypes]
39 | int do_get_thread_area(struct user_desc *info)
| ^~~~~~~~~~~~~~~~~~
arch/x86/um/tls_32.c:184:5: warning: no previous prototype for 'arch_switch_tls' [-Wmissing-prototypes]
184 | int arch_switch_tls(struct task_struct *to)
| ^~~~~~~~~~~~~~~
--
In file included from kernel/fork.c:51:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
kernel/fork.c: At top level:
kernel/fork.c:162:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
162 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:859:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
859 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:954:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
954 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/perf_event.h:62,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:89,
from kernel/exit.c:42:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
kernel/exit.c: At top level:
kernel/exit.c:1915:32: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
1915 | __weak __function_aligned void abort(void)
| ^~~~~
--
In file included from include/net/scm.h:8,
from include/linux/netlink.h:9,
from include/uapi/linux/neighbour.h:6,
from include/linux/netdevice.h:46,
from include/linux/if_vlan.h:10,
from include/linux/filter.h:21,
from kernel/kallsyms.c:25:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
kernel/kallsyms.c: At top level:
kernel/kallsyms.c:663:12: warning: no previous prototype for 'arch_get_kallsym' [-Wmissing-prototypes]
663 | int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value,
| ^~~~~~~~~~~~~~~~
--
In file included from include/linux/fs_context.h:14,
from include/linux/pseudo_fs.h:4,
from fs/pipe.c:17:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
fs/pipe.c: At top level:
fs/pipe.c:757:15: warning: no previous prototype for 'account_pipe_buffers' [-Wmissing-prototypes]
757 | unsigned long account_pipe_buffers(struct user_struct *user,
| ^~~~~~~~~~~~~~~~~~~~
fs/pipe.c:763:6: warning: no previous prototype for 'too_many_pipe_buffers_soft' [-Wmissing-prototypes]
763 | bool too_many_pipe_buffers_soft(unsigned long user_bufs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:770:6: warning: no previous prototype for 'too_many_pipe_buffers_hard' [-Wmissing-prototypes]
770 | bool too_many_pipe_buffers_hard(unsigned long user_bufs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:777:6: warning: no previous prototype for 'pipe_is_unprivileged_user' [-Wmissing-prototypes]
777 | bool pipe_is_unprivileged_user(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
fs/pipe.c:1253:5: warning: no previous prototype for 'pipe_resize_ring' [-Wmissing-prototypes]
1253 | int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
| ^~~~~~~~~~~~~~~~
--
In file included from include/linux/perf_event.h:62,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:89,
from fs/d_path.c:2:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
fs/d_path.c: At top level:
fs/d_path.c:317:7: warning: no previous prototype for 'simple_dname' [-Wmissing-prototypes]
317 | char *simple_dname(struct dentry *dentry, char *buffer, int buflen)
| ^~~~~~~~~~~~
--
In file included from include/net/scm.h:8,
from include/linux/netlink.h:9,
from include/uapi/linux/neighbour.h:6,
from include/linux/netdevice.h:46,
from include/net/sock.h:46,
from include/linux/tcp.h:19,
from include/linux/ipv6.h:93,
from include/net/addrconf.h:52,
from lib/vsprintf.c:40:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
lib/vsprintf.c: In function 'va_format':
lib/vsprintf.c:1681:9: warning: function 'va_format' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1681 | buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);
| ^~~
--
In file included from include/net/scm.h:8,
from include/linux/netlink.h:9,
from include/uapi/linux/neighbour.h:6,
from include/linux/netdevice.h:46,
from include/net/sock.h:46,
from include/linux/bpf-cgroup.h:11,
from net/socket.c:55:
include/linux/security.h: In function 'lsm_name_to_attr':
>> include/linux/security.h:516:16: error: 'LSM_ATTR_UNDEF' undeclared (first use in this function)
516 | return LSM_ATTR_UNDEF;
| ^~~~~~~~~~~~~~
include/linux/security.h:516:16: note: each undeclared identifier is reported only once for each function it appears in
net/socket.c: In function '__sys_getsockopt':
net/socket.c:2297:13: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable]
2297 | int max_optlen;
| ^~~~~~~~~~
..

vim +/LSM_ATTR_UNDEF +516 include/linux/security.h

513
514 static inline u64 lsm_name_to_attr(const char *name)
515 {
> 516 return LSM_ATTR_UNDEF;
517 }
518

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

Next message: Abhinav Kumar: "Re: [PATCH v2 5/7] drm/msm/dpu: add DPU_PINGPONG_DSC feature PP_BLK and PP_BLK_TE"
Previous message: Abhinav Kumar: "Re: [Freedreno] [PATCH v2 4/7] drm/msm/dpu: add dsc blocks for remaining chipsets in catalog"
In reply to: Casey Schaufler: "[PATCH v10 07/11] LSM: Helpers for attribute names and filling lsm_ctx"
Next in thread: kernel test robot: "Re: [PATCH v10 07/11] LSM: Helpers for attribute names and filling lsm_ctx"
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