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9ff7258575
linux-next/fs
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Linus Torvalds 9ff7258575 Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 
Pull proc updates from Eric Biederman:
 "This has four sets of changes:

   - modernize proc to support multiple private instances

   - ensure we see the exit of each process tid exactly

   - remove has_group_leader_pid

   - use pids not tasks in posix-cpu-timers lookup

  Alexey updated proc so each mount of proc uses a new superblock. This
  allows people to actually use mount options with proc with no fear of
  messing up another mount of proc. Given the kernel's internal mounts
  of proc for things like uml this was a real problem, and resulted in
  Android's hidepid mount options being ignored and introducing security
  issues.

  The rest of the changes are small cleanups and fixes that came out of
  my work to allow this change to proc. In essence it is swapping the
  pids in de_thread during exec which removes a special case the code
  had to handle. Then updating the code to stop handling that special
  case"

* 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: proc_pid_ns takes super_block as an argument
  remove the no longer needed pid_alive() check in __task_pid_nr_ns()
  posix-cpu-timers: Replace __get_task_for_clock with pid_for_clock
  posix-cpu-timers: Replace cpu_timer_pid_type with clock_pid_type
  posix-cpu-timers: Extend rcu_read_lock removing task_struct references
  signal: Remove has_group_leader_pid
  exec: Remove BUG_ON(has_group_leader_pid)
  posix-cpu-timer:  Unify the now redundant code in lookup_task
  posix-cpu-timer: Tidy up group_leader logic in lookup_task
  proc: Ensure we see the exit of each process tid exactly once
  rculist: Add hlists_swap_heads_rcu
  proc: Use PIDTYPE_TGID in next_tgid
  Use proc_pid_ns() to get pid_namespace from the proc superblock
  proc: use named enums for better readability
  proc: use human-readable values for hidepid
  docs: proc: add documentation for "hidepid=4" and "subset=pid" options and new mount behavior
  proc: add option to mount only a pids subset
  proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option
  proc: allow to mount many instances of proc in one pid namespace
  proc: rename struct proc_fs_info to proc_fs_opts
2020-06-04 13:54:34 -07:00
..
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 git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -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 for-5.8-tag 2020-06-02 19:59:25 -07:00
cachefiles A fair amount of stuff this time around, dominated by yet another massive 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 Merge branch 'akpm' (patches from Andrew) 2020-06-03 20:24:15 -07:00
coda docs: filesystems: convert coda.txt to ReST 2020-05-05 09:22:21 -06:00
configfs A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
cramfs docs: filesystems: fix renamed references 2020-04-20 15:45:22 -06:00
crypto fscrypt updates for 5.8 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 net: add a new bind_add method 2020-05-29 13:10:39 -07:00
ecryptfs A fair amount of stuff this time around, dominated by yet another massive 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 Changes since last update: 2020-06-02 20:16:55 -07:00
exfat fs: convert mpage_readpages to mpage_readahead 2020-06-02 10:59:07 -07:00
exportfs
ext2 \n 2020-06-04 13:53:10 -07:00
ext4 for-5.8/block-2020-06-01 2020-06-02 15:29:19 -07:00
f2fs f2fs: use attach/detach_page_private 2020-06-02 10:59:07 -07:00
fat for-5.8/block-2020-06-01 2020-06-02 15:29:19 -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 Merge branch 'akpm' (patches from Andrew) 2020-06-03 20:24:15 -07:00
gfs2 mm: remove the pgprot argument to __vmalloc 2020-06-02 10:59:11 -07:00
hfs for-5.8/block-2020-06-01 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: get unmapped area below TASK_UNMAPPED_BASE for hugetlbfs 2020-06-03 20:09:49 -07:00
iomap for-5.8-tag 2020-06-02 19:59:25 -07:00
isofs for-5.8/block-2020-06-01 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 Replace zero-length array in JFS 2020-06-02 20:11:35 -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 for-5.8/block-2020-06-01 2020-06-02 15:29:19 -07:00
nls
notify \n 2020-06-04 13:51:54 -07:00
ntfs Merge branch 'akpm' (patches from Andrew) 2020-06-02 12:21:36 -07:00
ocfs2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -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 A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
proc 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
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 sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
ramfs fs_parse: fold fs_parameter_desc/fs_parameter_spec 2020-02-07 14:48:37 -05:00
reiserfs \n 2020-06-04 13:53:10 -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
ubifs mm: remove the pgprot argument to __vmalloc 2020-06-02 10:59:11 -07:00
udf for-5.8/block-2020-06-01 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 git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
zonefs zonefs changes for 5.8 2020-06-04 13:50:13 -07:00
aio.c aio: fix async fsync creds 2020-05-14 16:44:24 +02:00
anon_inodes.c
attr.c
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 for-5.8/drivers-2020-06-01 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 git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
dcookies.c
direct-io.c for-5.8-tag 2020-06-02 19:59:25 -07:00
drop_caches.c sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
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 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
fcntl.c fcntl: Distribute switch variables for initialization 2020-03-03 10:55:06 -05:00
fhandle.c
file_table.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -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 for-5.8/block-2020-06-01 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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
internal.h for-5.8/io_uring-2020-06-01 2020-06-02 15:42:50 -07:00
io_uring.c for-5.8/io_uring-2020-06-01 2020-06-02 15:42:50 -07:00
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 A fair amount of stuff this time around, dominated by yet another massive 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 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
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 threads-v5.8 2020-06-03 13:12:57 -07:00
no-block.c
nsfs.c nsproxy: attach to namespaces via pidfds 2020-05-13 11:41:22 +02:00
open.c Merge branch 'akpm' (patches from Andrew) 2020-06-02 12:21:36 -07:00
pipe.c fs: rename pipe_buf ->steal to ->try_steal 2020-05-20 12:14:10 -04:00
pnode.c propagate_one(): mnt_set_mountpoint() needs mount_lock 2020-04-27 10:37:14 -04:00
pnode.h
posix_acl.c
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 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
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 branch 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-06-03 15:52:19 -07:00
stack.c
stat.c New code for 5.8: 2020-06-02 19:45:12 -07:00
statfs.c
super.c for-5.8/block-2020-06-01 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
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