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Greg Kroah-Hartman b9827580d1 debugfs: do not attempt to create a new file before the filesystem is initalized 
commit 56348560d495d2501e87db559a61de717cd3ab02 upstream.

Some subsystems want to add debugfs files at early boot, way before
debugfs is initialized.  This seems to work somehow as the vfs layer
will not allow it to happen, but let's be explicit and test to ensure we
are properly up and running before allowing files to be created.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: stable <stable@vger.kernel.org>
Reported-by: Michael Walle <michael@walle.cc>
Reported-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210218100818.3622317-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-04-12 12:52:10 +08:00
..
9p 9P: Cast to loff_t before multiplying 2021-03-16 16:40:11 +08:00
adfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
affs affs: fix basic permission bits to actually work 2021-03-16 16:35:42 +08:00
afs rxrpc: Fix deadlock around release of dst cached on udp tunnel 2021-04-12 12:51:53 +08:00
autofs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
befs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bfs bfs: don't use WARNING: string when it's just info. 2021-03-16 16:43:53 +08:00
btrfs btrfs: fix backport of 2175bf57dc952 in 5.4.95 2021-04-12 12:52:08 +08:00
cachefiles cachefiles: Handle readpage error correctly 2021-03-16 16:40:14 +08:00
ceph ceph: fix race in concurrent __ceph_remove_cap invocations 2021-03-16 16:43:35 +08:00
cifs cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath. 2021-04-12 12:52:09 +08:00
coda Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
configfs configfs: fix config_item refcnt leak in configfs_rmdir() 2021-03-16 16:28:09 +08:00
cramfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto fscrypt: remove kernel-internal constants from UAPI header 2021-03-16 16:43:49 +08:00
debugfs debugfs: do not attempt to create a new file before the filesystem is initalized 2021-04-12 12:52:10 +08:00
devpts Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dlm fs: dlm: fix configfs memory leak 2021-03-16 16:39:15 +08:00
ecryptfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
efivarfs efivarfs: revert "fix memory leak in efivarfs_create()" 2021-03-16 16:41:45 +08:00
efs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
erofs erofs: avoid using generic_block_bmap 2021-03-16 16:43:10 +08:00
exportfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ext2 ext2: don't update mtime on COW faults 2021-03-16 16:35:36 +08:00
ext4 writeback: Drop I_DIRTY_TIME_EXPIRE 2021-04-12 12:51:42 +08:00
f2fs f2fs: avoid race condition for shrinker count 2021-03-16 16:43:55 +08:00
fat fat: don't allow to mount if the FAT length == 0 2021-03-16 16:29:12 +08:00
freevxfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fscache Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fuse fuse: fix bad inode 2021-04-12 12:51:05 +08:00
gfs2 gfs2: check for empty rgrp tree in gfs2_ri_update 2021-03-16 16:42:06 +08:00
hfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hfsplus hfsplus: fix crash and filesystem corruption when deleting files 2021-03-16 16:26:16 +08:00
hostfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hpfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hugetlbfs mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page 2021-04-12 12:51:56 +08:00
iomap iomap: fix WARN_ON_ONCE() from unprivileged users 2021-03-16 16:39:20 +08:00
isofs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
jbd2 jbd2: fix up sparse warnings in checkpoint code 2021-03-16 16:40:54 +08:00
jffs2 jffs2: Fix NULL pointer dereference in rp_size fs option parsing 2021-03-16 16:43:51 +08:00
jfs jfs: Fix array index bounds check in dbAdjTree 2021-03-16 16:43:36 +08:00
kernfs kernfs: do not call fsnotify() with name without a parent 2021-03-16 16:33:35 +08:00
lockd lockd: don't use interval-based rebinding over TCP 2021-03-16 16:42:59 +08:00
minix fs/minix: remove expected error message in block_to_path() 2021-03-16 16:34:21 +08:00
nfs pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process() 2021-04-12 12:51:59 +08:00
nfs_common nfs_common: need lock during iterate through the list 2021-03-16 16:43:09 +08:00
nfsd nfsd4: readdirplus shouldn't return parent of export 2021-04-12 12:51:29 +08:00
nilfs2 nilfs2: fix null pointer dereference at nilfs_segctor_do_construct() 2021-03-16 16:29:04 +08:00
nls Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
notify fanotify: fix ignore mask logic for events on child and on dir 2021-03-16 16:28:58 +08:00
ntfs ntfs: check for valid standard information attribute 2021-04-12 12:52:08 +08:00
ocfs2 ocfs2: initialize ip_next_orphan 2021-03-16 16:40:55 +08:00
omfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
openpromfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
orangefs orangefs: get rid of knob code... 2021-03-16 16:34:10 +08:00
overlayfs ovl: expand warning in ovl_d_real() 2021-04-12 12:52:06 +08:00
proc proc: fix lookup in /proc/net subdirectories after setns(2) 2021-04-12 12:51:06 +08:00
pstore pstore: Fix linking when crypto API disabled 2021-03-16 16:33:55 +08:00
qnx4 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
qnx6 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
quota quota: Don't overflow quota file offsets 2021-03-16 16:43:54 +08:00
ramfs ramfs: fix nommu mmap with gaps in the page cache 2021-03-16 16:38:58 +08:00
reiserfs reiserfs: add check for an invalid ih_entry_count 2021-03-16 16:43:52 +08:00
romfs romfs: fix uninitialized memory leak in romfs_dev_read() 2021-03-16 16:34:28 +08:00
squashfs squashfs: add more sanity checks in xattr id lookup 2021-04-12 12:52:00 +08:00
sysfs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sysv Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tracefs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ubifs ubifs: prevent creating duplicate encrypted filenames 2021-03-16 16:43:48 +08:00
udf udf: fix the problem that the disc content is not displayed 2021-04-12 12:51:51 +08:00
ufs fs/ufs: avoid potential u32 multiplication overflow 2021-03-16 16:34:21 +08:00
unicode Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
verity Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
xfs writeback: Drop I_DIRTY_TIME_EXPIRE 2021-04-12 12:51:42 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig.binfmt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
aio.c aio: fix async fsync creds 2021-03-16 16:28:58 +08:00
anon_inodes.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
attr.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bad_inode.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
binfmt_aout.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
binfmt_elf.c fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info() 2021-03-16 16:28:37 +08:00
binfmt_elf_fdpic.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
binfmt_em86.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
binfmt_flat.c binfmt_flat: revert "binfmt_flat: don't offset the data start" 2021-03-16 16:34:43 +08:00
binfmt_misc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
binfmt_script.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
block_dev.c bdev: Reduce time holding bd_mutex in sync in blkdev_close() 2021-03-16 16:37:13 +08:00
buffer.c fs: Don't invalidate page buffers in block_write_full_page() 2021-03-16 16:39:56 +08:00
char_dev.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
compat.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
compat_binfmt_elf.c BACKPORT: Split the old READ_IMPLIES_EXEC workaround from executable 2021-03-16 16:43:59 +08:00
compat_ioctl.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
coredump.c coredump: fix core_pattern parse error 2021-03-16 16:42:04 +08:00
d_path.c fs: fix NULL dereference due to data race in prepend_path() 2021-03-16 16:38:47 +08:00
dax.c mm: provide a saner PTE walking API for modules 2021-04-12 12:52:09 +08:00
dcache.c fix dget_parent() fastpath race 2021-03-16 16:36:39 +08:00
dcookies.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
direct-io.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drop_caches.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
eventfd.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
eventpoll.c ep_create_wakeup_source(): dentry name can change under you... 2021-03-16 16:37:52 +08:00
exec.c exec: Transform exec_update_mutex into a rw_semaphore 2021-04-12 12:51:05 +08:00
fcntl.c fcntl: Fix potential deadlock in send_sig{io, urg}() 2021-03-16 16:43:54 +08:00
fhandle.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
file.c fix multiplication overflow in copy_fdtable() 2021-03-16 16:28:07 +08:00
file_table.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
filesystems.c fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once() 2021-03-16 16:26:14 +08:00
fs-writeback.c fs: fix lazytime expiration handling in __writeback_single_inode() 2021-04-12 12:51:42 +08:00
fs_context.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fs_parser.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fs_pin.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fs_struct.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fs_types.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fsopen.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
inode.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
internal.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
io_uring.c io_uring: Fix current->fs handling in io_sq_wq_submit_work() 2021-04-12 12:51:41 +08:00
ioctl.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
libfs.c libfs: fix error cast of negative value in simple_attr_write() 2021-03-16 16:41:24 +08:00
locks.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mbcache.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mount.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mpage.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
namei.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
namespace.c fs/namespace.c: WARN if mnt_count has become negative 2021-03-16 16:43:56 +08:00
no-block.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nsfs.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
open.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pipe.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pnode.c propagate_one(): mnt_set_mountpoint() needs mount_lock 2021-03-16 16:27:06 +08:00
pnode.h fs/namespace.c: WARN if mnt_count has become negative 2021-03-16 16:43:56 +08:00
posix_acl.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
proc_namespace.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
read_write.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
readdir.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
select.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
seq_file.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
signalfd.c fs/signalfd.c: fix inconsistent return codes for signalfd4 2021-03-16 16:34:34 +08:00
splice.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
stack.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
stat.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
statfs.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
super.c vfs: remove lockdep bogosity in __sb_start_write 2021-03-16 16:41:11 +08:00
sync.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
timerfd.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
userfaultfd.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
utimes.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
xattr.c xattr: break delegations in {set,remove}xattr 2021-03-16 16:33:08 +08:00