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fd2206e4e97b5bae422d9f2f9ebbc79bc97e44a5
linux/fs
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Jens Axboe fd2206e4e9 io_uring: disallow close of ring itself 
A previous commit enabled this functionality, which also enabled O_PATH
to work correctly with io_uring. But we can't safely close the ring
itself, as the file handle isn't reference counted inside
io_uring_enter(). Instead of jumping through hoops to enable ring
closure, add a "soft" ->needs_file option, ->needs_file_no_error. This
enables O_PATH file descriptors to work, but still catches the case of
trying to close the ring itself.

Reported-by: Jann Horn <jannh@google.com>
Fixes: 904fbcb115 ("io_uring: remove 'fd is io_uring' from close path")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-06-02 17:22:24 -06:00
..
9p
9p: read only once on O_NONBLOCK
2020-03-27 09:29:56 +00:00
adfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
affs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
afs
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
autofs
LOOKUP_MOUNTPOINT: fold path_mountpointat() into path_lookupat()
2020-03-13 21:08:17 -04:00
befs
…
bfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
btrfs
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
cachefiles
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
ceph
ceph: flush release queue when handling caps for unknown inode
2020-05-27 13:03:57 +02:00
cifs
cifs: fix leaked reference on requeued write
2020-05-14 17:47:01 -05:00
coda
docs: filesystems: convert coda.txt to ReST
2020-05-05 09:22:21 -06:00
configfs
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
cramfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
crypto
Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
2020-06-01 12:10:17 -07:00
debugfs
debugfs: remove return value of debugfs_create_u32()
2020-04-17 17:08:50 +02:00
devpts
…
dlm
dlm: use SO_SNDTIMEO_NEW instead of SO_SNDTIMEO_OLD
2019-12-18 18:07:31 +01:00
ecryptfs
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
efivarfs
efi: Use more granular check for availability for variable services
2020-02-23 21:59:42 +01:00
efs
…
erofs
mm: remove the prot argument from vm_map_ram
2020-06-02 10:59:11 -07:00
exfat
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
exportfs
race in exportfs_decode_fh()
2019-11-11 09:21:59 -05:00
ext2
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
ext4
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
f2fs
f2fs: use attach/detach_page_private
2020-06-02 10:59:07 -07:00
fat
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
freevxfs
…
fscache
docs: filesystems: caching/backend-api.txt: convert it to ReST
2020-05-05 09:22:21 -06:00
fuse
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
gfs2
mm: remove the pgprot argument to __vmalloc
2020-06-02 10:59:11 -07:00
hfs
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
hfsplus
block: remove the error_sector argument to blkdev_issue_flush
2020-05-22 08:45:46 -06:00
hostfs
hostfs: Use kasprintf() instead of fixed buffer formatting
2020-03-29 23:23:00 +02:00
hpfs
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
hugetlbfs
hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race
2020-04-02 09:35:32 -07:00
iomap
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
isofs
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
jbd2
block: remove the error_sector argument to blkdev_issue_flush
2020-05-22 08:45:46 -06:00
jffs2
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
jfs
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
kernfs
kernfs: Add option to enable user xattrs
2020-03-16 15:53:47 -04:00
lockd
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
minix
…
nfs
mm: remove the pgprot argument to __vmalloc
2020-06-02 10:59:11 -07:00
nfs_common
…
nfsd
mm/writeback: replace PF_LESS_THROTTLE with PF_LOCAL_THROTTLE
2020-06-02 10:59:08 -07:00
nilfs2
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
nls
…
notify
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
ntfs
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
ocfs2
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
omfs
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
openpromfs
…
orangefs
orangefs: use attach/detach_page_private
2020-06-02 10:59:08 -07:00
overlayfs
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
proc
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
pstore
Merge branch 'uaccess.__copy_from_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-01 16:18:46 -07:00
qnx4
…
qnx6
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
quota
Merge tag 'for_v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2020-01-30 15:37:41 -08:00
ramfs
fs_parse: fold fs_parameter_desc/fs_parameter_spec
2020-02-07 14:48:37 -05:00
reiserfs
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
romfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
squashfs
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
sysfs
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
sysv
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
tracefs
simple_recursive_removal(): kernel-side rm -rf for ramfs-style filesystems
2019-12-10 22:29:58 -05:00
ubifs
mm: remove the pgprot argument to __vmalloc
2020-06-02 10:59:11 -07:00
udf
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
ufs
…
unicode
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
vboxsf
vboxsf: don't use the source name in the bdi name
2020-05-07 08:45:47 -06:00
verity
fs-verity: remove unnecessary extern keywords
2020-05-12 16:44:00 -07:00
xfs
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
zonefs
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
aio.c
aio: fix async fsync creds
2020-05-14 16:44:24 +02:00
anon_inodes.c
…
attr.c
utimes: Clamp the timestamps in notify_change()
2019-12-08 19:10:50 -05:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
binfmt_elf_fdpic: remove the set_fs(KERNEL_DS) in elf_fdpic_core_dump
2020-05-05 16:46:10 -04:00
binfmt_elf.c
Merge branch 'work.set_fs-exec' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-01 16:21:46 -07:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
…
binfmt_script.c
…
block_dev.c
Merge tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:37:03 -07:00
buffer.c
fs/buffer.c: use attach/detach_page_private
2020-06-02 10:59:07 -07:00
char_dev.c
vfs: allow unprivileged whiteout creation
2020-05-14 16:44:23 +02:00
compat_binfmt_elf.c
Merge branch 'work.set_fs-exec' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-01 16:21:46 -07:00
compat.c
…
coredump.c
coredump: fix crash when umh is disabled
2020-04-28 17:54:13 +02:00
d_path.c
…
dax.c
dax,iomap: Add helper dax_iomap_zero() to zero a range
2020-04-02 19:15:03 -07:00
dcache.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-12-08 11:08:28 -08:00
dcookies.c
…
direct-io.c
block: add blk_io_schedule() for avoiding task hung in sync dio
2020-05-12 20:32:42 -06:00
drop_caches.c
fs: avoid softlockups in s_inodes iterators
2019-12-18 00:03:01 -05:00
eventfd.c
eventfd: track eventfd_signal() recursion depth
2020-02-03 17:27:38 -07:00
eventpoll.c
epoll: call final ep_events_available() check under the lock
2020-05-14 10:00:35 -07:00
exec.c
exec: Move would_dump into flush_old_exec
2020-05-17 10:48:24 -05:00
fcntl.c
fcntl: Distribute switch variables for initialization
2020-03-03 10:55:06 -05:00
fhandle.c
…
file_table.c
vfs: track per-sb writeback errors and report them to syncfs
2020-06-02 10:59:05 -07:00
file.c
fix multiplication overflow in copy_fdtable()
2020-05-19 18:29:36 -04:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-10 15:36:22 -07:00
fs_context.c
vfs: don't parse "silent" option
2020-05-14 16:44:25 +02:00
fs_parser.c
fs_parse: remove pr_notice() about each validation
2020-04-02 09:35:26 -07:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
fsopen.c
add prefix to fs_context->log
2020-02-07 14:48:35 -05:00
inode.c
fs: inode.c: get rid of docs warnings
2020-04-20 15:45:41 -06:00
internal.h
Merge tag 'for-5.8/io_uring-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:42:50 -07:00
io_uring.c
io_uring: disallow close of ring itself
2020-06-02 17:22:24 -06:00
io-wq.c
io_uring: use io-wq manager as backup task if task is exiting
2020-04-03 11:35:57 -06:00
io-wq.h
io_uring: use io-wq manager as backup task if task is exiting
2020-04-03 11:35:57 -06:00
ioctl.c
fibmap: Warn and return an error in case of block > INT_MAX
2020-04-30 07:57:46 -07:00
Kconfig
docs: filesystems: fix renamed references
2020-04-20 15:45:22 -06:00
Kconfig.binfmt
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
libfs.c
block: remove the error_sector argument to blkdev_issue_flush
2020-05-22 08:45:46 -06:00
locks.c
docs: filesystems: convert mandatory-locking.txt to ReST
2020-05-05 09:22:22 -06:00
Makefile
exfat: add Kconfig and Makefile
2020-03-05 21:00:40 -05:00
mbcache.c
…
mount.h
proc/mounts: add cursor
2020-05-14 16:44:24 +02:00
mpage.c
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
namei.c
vfs: allow unprivileged whiteout creation
2020-05-14 16:44:23 +02:00
namespace.c
Merge branch 'from-miklos' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-01 16:44:06 -07:00
no-block.c
…
nsfs.c
fs/nsfs.c: Added ns_match
2020-03-12 17:33:11 -07:00
open.c
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
pipe.c
mm: kmem: rename memcg_kmem_(un)charge() into memcg_kmem_(un)charge_page()
2020-04-02 09:35:28 -07:00
pnode.c
propagate_one(): mnt_set_mountpoint() needs mount_lock
2020-04-27 10:37:14 -04:00
pnode.h
…
posix_acl.c
fs/posix_acl.c: fix kernel-doc warnings
2020-01-04 13:55:09 -08:00
proc_namespace.c
proc/mounts: add cursor
2020-05-14 16:44:24 +02:00
read_write.c
powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro
2020-04-03 00:09:59 +11:00
readdir.c
readdir.c: get rid of the last __put_user(), drop now-useless access_ok()
2020-05-01 20:29:54 -04:00
select.c
y2038: syscalls: change remaining timeval to __kernel_old_timeval
2019-11-15 14:38:29 +01:00
seq_file.c
fs/seq_file.c: seq_read(): add info message about buggy .next functions
2020-04-10 15:36:22 -07:00
signalfd.c
…
splice.c
Merge tag 'for-5.8/io_uring-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:42:50 -07:00
stack.c
sched/rt, fs: Use CONFIG_PREEMPTION
2019-12-08 14:37:36 +01:00
stat.c
Merge tag 'for-5.8/io_uring-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:42:50 -07:00
statfs.c
…
super.c
Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
2020-06-02 15:29:19 -07:00
sync.c
vfs: track per-sb writeback errors and report them to syncfs
2020-06-02 10:59:05 -07:00
timerfd.c
timerfd: Make timerfd_settime() time namespace aware
2020-01-14 12:20:53 +01:00
userfaultfd.c
userfaultfd: wp: declare _UFFDIO_WRITEPROTECT conditionally
2020-04-07 10:43:40 -07:00
utimes.c
utimensat: AT_EMPTY_PATH support
2020-05-14 16:44:24 +02:00
xattr.c
xattr: fix uninitialized out-param
2020-04-09 15:33:09 -04:00