[djwong-xfs:btree-private-unions 52/72] include/linux/mm.h:526:22: error: missing initializer for field 'open' of 'const struct vm_operations_struct'
1:32 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
btree-private-unions
head: 30d91fbcef11ed07350f943fd3f695e0fb0635dd
commit: 35137236b91e958ca683fd4a045a29c0b5310938 [52/72] xfs: don't crash with
assfail
config: x86_64-randconfig-s1-20200312 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
git checkout 35137236b91e958ca683fd4a045a29c0b5310938
# save the attached .config to linux build tree
make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
In file included from fs///attr.c:11:0:
include/linux/mm.h: In function 'vma_init':
> include/linux/mm.h:526:22: warning: missing initializer for field
'open' of 'const struct vm_operations_struct'
[-Wmissing-field-initializers]
static const struct vm_operations_struct
dummy_vm_ops = {};
^
include/linux/mm.h:463:9: note: 'open' declared here
void (*open)(struct vm_area_struct * area);
^
In file included from include/linux/fs.h:9:0,
from include/linux/huge_mm.h:8,
from include/linux/mm.h:567,
from fs///attr.c:11:
include/linux/path.h: In function 'path_put_init':
> include/linux/path.h:24:18: warning: missing initializer for
field 'mnt' of 'struct path' [-Wmissing-field-initializers]
*path = (struct path) { };
^
include/linux/path.h:9:19: note: 'mnt' declared here
struct vfsmount *mnt;
^
--
In file included from include/linux/bvec.h:13:0,
from include/linux/blk_types.h:10,
from include/linux/iomap.h:7,
from fs///iomap/trace.c:5:
include/linux/mm.h: In function 'vma_init':
> include/linux/mm.h:526:22: error: missing initializer for field
'open' of 'const struct vm_operations_struct'
[-Werror=missing-field-initializers]
static const struct vm_operations_struct
dummy_vm_ops = {};
^
include/linux/mm.h:463:9: note: 'open' declared here
void (*open)(struct vm_area_struct * area);
^
In file included from include/linux/fs.h:9:0,
from include/linux/huge_mm.h:8,
from include/linux/mm.h:567,
from include/linux/bvec.h:13,
from include/linux/blk_types.h:10,
from include/linux/iomap.h:7,
from fs///iomap/trace.c:5:
include/linux/path.h: In function 'path_put_init':
> include/linux/path.h:24:18: error: missing initializer for field
'mnt' of 'struct path' [-Werror=missing-field-initializers]
*path = (struct path) { };
^
include/linux/path.h:9:19: note: 'mnt' declared here
struct vfsmount *mnt;
^
In file included from include/linux/bpf-cgroup.h:5:0,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/perf_event.h:57,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:21,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/bpf.h: In function 'check_and_init_map_lock':
> include/linux/bpf.h:144:11: error: missing initializer for field
'val' of 'struct bpf_spin_lock' [-Werror=missing-field-initializers]
(struct bpf_spin_lock){};
^
In file included from include/linux/bpf.h:7:0,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/perf_event.h:57,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:21,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/uapi/linux/bpf.h:3741:8: note: 'val' declared here
__u32 val;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
fs///iomap/./trace.h: At top level:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'size' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:202:15: note: 'size' declared here
const int size;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'align' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:203:15: note: 'align' declared here
const int align;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'is_signed' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:204:15: note: 'is_signed' declared here
const int is_signed;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'filter_type' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:205:15: note: 'filter_type' declared here
const int filter_type;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'size' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:202:15: note: 'size' declared here
const int size;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'align' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:203:15: note: 'align' declared here
const int align;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'is_signed' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:204:15: note: 'is_signed' declared here
const int is_signed;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'filter_type' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
> fs///iomap/./trace.h:18:1: note: in expansion of macro
'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:205:15: note: 'filter_type' declared here
const int filter_type;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
> include/trace/trace_events.h:442:15: error: missing initializer
for field 'size' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields
trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:18:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:202:15: note: 'size' declared here
const int size;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'align' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:18:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:203:15: note: 'align' declared here
const int align;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'is_signed' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:18:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:204:15: note: 'is_signed' declared here
const int is_signed;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'filter_type' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:18:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:205:15: note: 'filter_type' declared here
const int filter_type;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'type' of 'struct trace_event_fields'
[-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:18:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_readpage_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:198:14: note: 'type' declared here
const char *type;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'size' of 'struct <anonymous>' [-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:44:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_page_class,
^
In file included from include/trace/trace_events.h:21:0,
from include/trace/define_trace.h:102,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/linux/trace_events.h:202:15: note: 'size' declared here
const int size;
^
In file included from include/trace/define_trace.h:102:0,
from fs///iomap/trace.h:191,
from fs///iomap/trace.c:12:
include/trace/trace_events.h:442:15: error: missing initializer for field
'align' of 'struct <anonymous>'
[-Werror=missing-field-initializers]
static struct trace_event_fields trace_event_fields_##call[] = { \
^
fs///iomap/./trace.h:44:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(iomap_page_class,
..
vim +526 include/linux/mm.h
^1da177e4c3f415 Linus Torvalds 2005-04-16 523
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 524 static inline void vma_init(struct
vm_area_struct *vma, struct mm_struct *mm)
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 525 {
bfd40eaff5abb9f Kirill A. Shutemov 2018-07-26 @526 static const struct
vm_operations_struct dummy_vm_ops = {};
bfd40eaff5abb9f Kirill A. Shutemov 2018-07-26 527
a670468f5e0b5fa Andrew Morton 2018-08-21 528 memset(vma, 0, sizeof(*vma));
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 529 vma->vm_mm = mm;
bfd40eaff5abb9f Kirill A. Shutemov 2018-07-26 530 vma->vm_ops = &dummy_vm_ops;
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 531
INIT_LIST_HEAD(&vma->anon_vma_chain);
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 532 }
027232da7c7c1c7 Kirill A. Shutemov 2018-07-26 533
:::::: The code at line 526 was first introduced by commit
:::::: bfd40eaff5abb9f62c8ef94ca13ed0d94a560f10 mm: fix vma_is_anonymous()
false-positives
:::::: TO: Kirill A. Shutemov <kirill.shutemov(a)linux.intel.com>
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org>
---
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