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Pavel Begunkov eafe730e12 io_uring: fix link lookup racing with link timeout 
commit 9a472ef7a3 upstream.

We can't just go over linked requests because it may race with linked
timeouts. Take ctx->completion_lock in that case.

Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-10 12:39:10 +01:00
..
9p
9P: Cast to loff_t before multiplying
2020-11-05 11:51:50 +01:00
adfs
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
affs
affs: fix basic permission bits to actually work
2020-08-31 12:20:31 +02:00
afs
afs: Don't assert on unpurgeable server records
2020-11-05 11:51:14 +01:00
autofs
autofs: use __kernel_write() for the autofs pipe writing
2020-09-29 17:18:34 -07:00
befs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
bfs
…
btrfs
btrfs: add a helper to read the tree_root commit root for backref lookup
2020-11-10 12:39:05 +01:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-05 11:51:54 +01:00
ceph
ceph: promote to unsigned long long before shifting
2020-11-05 11:51:49 +01:00
cifs
cifs: handle -EINTR in cifs_setattr
2020-11-05 11:51:28 +01:00
coda
…
configfs
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
cramfs
…
crypto
fscrypt: restrict IV_INO_LBLK_32 to ino_bits <= 32
2020-10-29 10:11:05 +01:00
debugfs
debugfs: Fix module state check condition
2020-09-04 18:12:52 +02:00
devpts
…
dlm
fs: dlm: fix configfs memory leak
2020-10-29 10:12:11 +01:00
ecryptfs
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
efivarfs
efivarfs: Replace invalid slashes with exclamation marks in dentries.
2020-11-01 12:47:03 +01:00
efs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
erofs
erofs: avoid duplicated permission check for "trusted." xattrs
2020-11-01 12:47:07 +01:00
exfat
exfat: fix use of uninitialized spinlock on error path
2020-10-07 14:27:13 +09:00
exportfs
…
ext2
ext2: don't update mtime on COW faults
2020-09-05 10:00:05 -07:00
ext4
ext4: do not use extent after put_bh
2020-11-05 11:51:52 +01:00
f2fs
f2fs: fix to set SBI_NEED_FSCK flag for inconsistent inode
2020-11-05 11:51:25 +01:00
fat
fat: fix fat_ra_init() for data clusters == 0
2020-08-12 10:58:01 -07:00
freevxfs
…
fscache
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
fuse
fuse: fix page dereference after free
2020-11-01 12:47:08 +01:00
gfs2
gfs2: Don't call cancel_delayed_work_sync from within delete work function
2020-11-10 12:39:01 +01:00
hfs
block: move block-related definitions out of fs.h
2020-06-24 09:16:02 -06:00
hfsplus
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hostfs
…
hpfs
hpfs: fix warning due to superfluous semicolon
2020-06-06 10:08:17 -07:00
hugetlbfs
hugetlbfs: prevent filesystem stacking of hugetlbfs
2020-08-12 10:57:56 -07:00
iomap
iomap: fix WARN_ON_ONCE() from unprivileged users
2020-10-29 10:12:16 +01:00
isofs
Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2020-08-04 13:49:43 -07:00
jbd2
jbd2: avoid transaction reuse after reformatting
2020-11-05 11:51:27 +01:00
jffs2
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
jfs
block: move struct block_device to blk_types.h
2020-06-24 09:16:02 -06:00
kernfs
fsnotify: pass dir and inode arguments to fsnotify()
2020-07-27 23:15:48 +02:00
lockd
…
minix
fs/minix: remove expected error message in block_to_path()
2020-08-12 10:58:00 -07:00
nfs
NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag
2020-11-05 11:51:46 +01:00
nfs_common
NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy
2020-10-29 10:11:57 +01:00
nfsd
NFSD: Add missing NFSv2 .pc_func methods
2020-11-05 11:51:46 +01:00
nilfs2
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
notify
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ntfs
ntfs: add check for mft record size in superblock
2020-10-29 10:12:12 +01:00
ocfs2
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
omfs
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
openpromfs
…
orangefs
orangefs: remove unnecessary assignment to variable ret
2020-08-04 15:01:58 -04:00
overlayfs
Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2020-08-04 13:49:43 -07:00
proc
mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary
2020-10-29 10:11:37 +01:00
pstore
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
qnx4
…
qnx6
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
quota
quota: clear padding in v2r1_mem2diskdqb()
2020-10-29 10:11:28 +01:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-29 10:11:51 +01:00
reiserfs
reiserfs: Fix memory leak in reiserfs_parse_options()
2020-10-29 10:12:19 +01:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-21 09:52:53 -07:00
squashfs
squashfs: avoid bio_alloc() failure with 1Mbyte blocks
2020-08-21 09:52:53 -07:00
sysfs
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-06-05 14:05:57 -07:00
sysv
…
tracefs
…
ubifs
ubifs: mount_ubifs: Release authentication resource in error handling path
2020-11-05 11:51:47 +01:00
udf
udf: Fix memory leak when mounting
2020-11-05 11:51:41 +01:00
ufs
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
unicode
…
vboxsf
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-09-22 15:08:41 -07:00
verity
fs-verity: use smp_load_acquire() for ->i_verity_info
2020-07-21 16:02:41 -07:00
xfs
xfs: avoid LR buffer overrun due to crafted h_len
2020-11-05 11:51:23 +01:00
zonefs
zonefs: add zone-capacity support
2020-08-11 17:42:24 +09:00
aio.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
anon_inodes.c
…
attr.c
…
bad_inode.c
fs: move the fiemap definitions out of fs.h
2020-06-03 23:16:55 -04:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
binfmt_elf.c
kill elf_fpxregs_t
2020-07-27 14:29:23 -04:00
binfmt_em86.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
binfmt_flat.c
binfmt_flat: revert "binfmt_flat: don't offset the data start"
2020-08-24 08:49:13 +10:00
binfmt_misc.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
binfmt_script.c
Merge branch 'akpm' (patches from Andrew)
2020-06-04 19:18:29 -07:00
block_dev.c
Merge tag 'for-5.9/io_uring-20200802' of git://git.kernel.dk/linux-block
2020-08-03 13:01:22 -07:00
buffer.c
fs: Don't invalidate page buffers in block_write_full_page()
2020-11-05 11:51:33 +01:00
char_dev.c
…
compat_binfmt_elf.c
Merge tag 'core_core_updates_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-06-05 13:45:21 -07:00
compat.c
…
coredump.c
coredump: add %f for executable filename
2020-08-12 10:58:01 -07:00
d_path.c
fs: fix NULL dereference due to data race in prepend_path()
2020-10-29 10:11:37 +01:00
dax.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
dcache.c
vfs: Use sequence counter with associated spinlock
2020-07-29 16:14:27 +02:00
dcookies.c
…
direct-io.c
block: remove the bd_queue field from struct block_device
2020-07-01 08:08:20 -06:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
ep_create_wakeup_source(): dentry name can change under you...
2020-09-24 19:41:58 -04:00
exec.c
fs/kernel_read_file: Remove FIRMWARE_PREALLOC_BUFFER enum
2020-11-05 11:51:35 +01:00
fcntl.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
fhandle.c
…
file_table.c
Revert "fs: Do not check if there is a fsnotify watcher on pseudo inodes"
2020-06-29 09:40:55 -07:00
file.c
io_uring: don't rely on weak ->files references
2020-11-01 12:47:01 +01:00
filesystems.c
…
fs_context.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
fs_parser.c
…
fs_pin.c
…
fs_struct.c
vfs: Use sequence counter with associated spinlock
2020-07-29 16:14:27 +02:00
fs_types.c
…
fs-writeback.c
fs/fs-writeback.c: adjust dirtytime_interval_handler definition to match prototype
2020-09-19 13:13:39 -07:00
fsopen.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
init.c
init: add an init_dup helper
2020-08-04 21:02:38 -04:00
inode.c
Merge tag 'afs-next-20200604' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
2020-06-05 16:26:36 -07:00
internal.h
Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 09:40:34 -07:00
io_uring.c
io_uring: fix link lookup racing with link timeout
2020-11-10 12:39:10 +01:00
io-wq.c
io-wq: assign NUMA node locality if appropriate
2020-11-05 11:51:34 +01:00
io-wq.h
io_uring: reference ->nsproxy for file table commands
2020-11-01 12:47:01 +01:00
ioctl.c
fs: remove ksys_ioctl
2020-07-31 08:16:01 +02:00
Kconfig
tmpfs: support 64-bit inums per-sb
2020-08-07 11:33:24 -07:00
Kconfig.binfmt
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
libfs.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
locks.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
Makefile
init: add an init_mount helper
2020-07-31 08:17:51 +02:00
mbcache.c
…
mount.h
…
mpage.c
fs: convert mpage_readpages to mpage_readahead
2020-06-02 10:59:07 -07:00
namei.c
exec: restore EACCES of S_ISDIR execve()
2020-08-14 19:56:56 -07:00
namespace.c
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 21:03:25 -07:00
no-block.c
…
nsfs.c
…
open.c
exec: move S_ISREG() check earlier
2020-08-12 10:58:01 -07:00
pipe.c
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-11 11:11:35 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
vfs: clean up posix_acl_permission() logic aroudn MAY_NOT_BLOCK
2020-06-08 11:04:19 -07:00
proc_namespace.c
Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-06-04 13:54:34 -07:00
read_write.c
autofs: use __kernel_write() for the autofs pipe writing
2020-09-29 17:18:34 -07:00
readdir.c
fs: remove ksys_getdents64
2020-07-31 08:16:00 +02:00
select.c
pselect6() and friends: take handling the combined 6th/7th args into helper
2020-05-29 19:10:42 -04:00
seq_file.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
signalfd.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
splice.c
splice: teach splice pipe reading about empty pipe buffers
2020-10-06 10:27:22 -07:00
stack.c
…
stat.c
Merge tag 'vfs-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2020-06-02 19:45:12 -07:00
statfs.c
…
super.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-10 16:09:11 -07:00
sync.c
Merge tag 'ovl-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2020-06-09 15:40:50 -07:00
timerfd.c
…
userfaultfd.c
Merge tag 'locking-urgent-2020-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-10 19:07:44 -07:00
utimes.c
fs: expose utimes_common
2020-07-31 08:16:01 +02:00
xattr.c
xattr: add a function to check if a namespace is supported
2020-07-13 17:27:03 -04:00