[mcgrof-next:20210813-sysfs-fixes-v8 7/10] include/linux/uidgid.h:30:35: error: incompatible type for argument 4 of '__kernfs_create_file'

From: kernel test robot
Date: Sat Aug 14 2021 - 11:32:16 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210813-sysfs-fixes-v8
head: f5b8aadeca76656caad8bccc795bfe7b0730230a
commit: da898d13309d7b2855a74ee4e49e0fb43a55a2f1 [7/10] sysfs: fix deadlock race with module removal
config: i386-randconfig-c001-20210812 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=da898d13309d7b2855a74ee4e49e0fb43a55a2f1
git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
git fetch --no-tags mcgrof-next 20210813-sysfs-fixes-v8
git checkout da898d13309d7b2855a74ee4e49e0fb43a55a2f1
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/ipc.h:6,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
arch/x86/kernel/cpu/resctrl/rdtgroup.c: In function 'rdtgroup_add_file':
>> include/linux/uidgid.h:30:35: error: incompatible type for argument 4 of '__kernfs_create_file'
30 | #define KUIDT_INIT(value) (kuid_t){ value }
| ^~~~~~~~~
| |
| kuid_t {aka struct <anonymous>}
include/linux/uidgid.h:55:25: note: in expansion of macro 'KUIDT_INIT'
55 | #define GLOBAL_ROOT_UID KUIDT_INIT(0)
| ^~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:211:7: note: in expansion of macro 'GLOBAL_ROOT_UID'
211 | GLOBAL_ROOT_UID, GLOBAL_ROOT_GID,
| ^~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'struct module *' but argument is of type 'kuid_t' {aka 'struct <anonymous>'}
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/ipc.h:6,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/uidgid.h:31:35: error: incompatible type for argument 5 of '__kernfs_create_file'
31 | #define KGIDT_INIT(value) (kgid_t){ value }
| ^~~~~~~~~
| |
| kgid_t {aka struct <anonymous>}
include/linux/uidgid.h:56:25: note: in expansion of macro 'KGIDT_INIT'
56 | #define GLOBAL_ROOT_GID KGIDT_INIT(0)
| ^~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:211:24: note: in expansion of macro 'GLOBAL_ROOT_GID'
211 | GLOBAL_ROOT_UID, GLOBAL_ROOT_GID,
| ^~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'kuid_t' {aka 'struct <anonymous>'} but argument is of type 'kgid_t' {aka 'struct <anonymous>'}
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:212:7: error: incompatible type for argument 6 of '__kernfs_create_file'
212 | 0, rft->kf_ops, rft, NULL, NULL);
| ^
| |
| int
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'kgid_t' {aka 'struct <anonymous>'} but argument is of type 'int'
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:212:13: warning: passing argument 7 of '__kernfs_create_file' makes integer from pointer without a cast [-Wint-conversion]
212 | 0, rft->kf_ops, rft, NULL, NULL);
| ~~~^~~~~~~~
| |
| const struct kernfs_ops *
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'loff_t' {aka 'long long int'} but argument is of type 'const struct kernfs_ops *'
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:212:23: error: passing argument 8 of '__kernfs_create_file' from incompatible pointer type [-Werror=incompatible-pointer-types]
212 | 0, rft->kf_ops, rft, NULL, NULL);
| ^~~
| |
| struct rftype *
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'const struct kernfs_ops *' but argument is of type 'struct rftype *'
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:210:7: error: too few arguments to function '__kernfs_create_file'
210 | kn = __kernfs_create_file(parent_kn, rft->name, rft->mode,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: declared here
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/ipc.h:6,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
arch/x86/kernel/cpu/resctrl/rdtgroup.c: In function 'mon_addfile':
>> include/linux/uidgid.h:30:35: error: incompatible type for argument 4 of '__kernfs_create_file'
30 | #define KUIDT_INIT(value) (kuid_t){ value }
| ^~~~~~~~~
| |
| kuid_t {aka struct <anonymous>}
include/linux/uidgid.h:55:25: note: in expansion of macro 'KUIDT_INIT'
55 | #define GLOBAL_ROOT_UID KUIDT_INIT(0)
| ^~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:2484:7: note: in expansion of macro 'GLOBAL_ROOT_UID'
2484 | GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, 0,
| ^~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'struct module *' but argument is of type 'kuid_t' {aka 'struct <anonymous>'}
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/ipc.h:6,
from include/uapi/linux/sem.h:5,
from include/linux/sem.h:5,
from include/linux/sched.h:15,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/uidgid.h:31:35: error: incompatible type for argument 5 of '__kernfs_create_file'
31 | #define KGIDT_INIT(value) (kgid_t){ value }
| ^~~~~~~~~
| |
| kgid_t {aka struct <anonymous>}
include/linux/uidgid.h:56:25: note: in expansion of macro 'KGIDT_INIT'
56 | #define GLOBAL_ROOT_GID KGIDT_INIT(0)
| ^~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:2484:24: note: in expansion of macro 'GLOBAL_ROOT_GID'
2484 | GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, 0,
| ^~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'kuid_t' {aka 'struct <anonymous>'} but argument is of type 'kgid_t' {aka 'struct <anonymous>'}
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:2484:41: error: incompatible type for argument 6 of '__kernfs_create_file'
2484 | GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, 0,
| ^
| |
| int
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'kgid_t' {aka 'struct <anonymous>'} but argument is of type 'int'
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:2485:7: warning: passing argument 7 of '__kernfs_create_file' makes integer from pointer without a cast [-Wint-conversion]
2485 | &kf_mondata_ops, priv, NULL, NULL);
| ^~~~~~~~~~~~~~~
| |
| const struct kernfs_ops *
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: expected 'loff_t' {aka 'long long int'} but argument is of type 'const struct kernfs_ops *'
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/cpu/resctrl/rdtgroup.c:2483:7: error: too few arguments to function '__kernfs_create_file'
2483 | kn = __kernfs_create_file(parent_kn, name, 0444,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/energy_model.h:7,
from include/linux/device.h:16,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/cacheinfo.h:6,
from arch/x86/kernel/cpu/resctrl/rdtgroup.c:15:
include/linux/kernfs.h:382:21: note: declared here
382 | struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
| ^~~~~~~~~~~~~~~~~~~~

vim +/__kernfs_create_file +30 include/linux/uidgid.h

7a4e7408c5cadb Eric W. Biederman 2011-11-14 29
7a4e7408c5cadb Eric W. Biederman 2011-11-14 @30 #define KUIDT_INIT(value) (kuid_t){ value }
7a4e7408c5cadb Eric W. Biederman 2011-11-14 31 #define KGIDT_INIT(value) (kgid_t){ value }
7a4e7408c5cadb Eric W. Biederman 2011-11-14 32

:::::: The code at line 30 was first introduced by commit
:::::: 7a4e7408c5cadb240e068a662251754a562355e3 userns: Add kuid_t and kgid_t and associated infrastructure in uidgid.h

:::::: TO: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
:::::: CC: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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