[mcgrof-next:20210813-sysfs-fixes-v8 7/10] include/linux/uidgid.h:30:35: error: incompatible type for argument 4 of '__kernfs_create_file'
1:31 a.m.
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/com...
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(a)intel.com>
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(a)xmission.com>
:::::: CC: Eric W. Biederman <ebiederm(a)xmission.com>
---
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