linux/fs
Christian Brauner fd0349aadb
pid: add helpers to operate on a struct pid array
We're about to extend af_unix sockets and coredump code with the ability
to hand out thread-specific pidfds. Add a few simple helpers that allow
to operate on multiple struct pids up to PIDTYPE_MAX with automatic
bounds checking.

Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@futurfusion.io>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Andrew Halaney <andrew@amutable.com>
Link: https://patch.msgid.link/20261005-work-unix-passpidfd-v4-1-350183b6e02a@amutable.com
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
2026-10-12 10:58:20 +02:00
..
9p 9p: Fix v9fs_issue_write() to update i_size and remote_i_size 2026-09-12 07:49:22 +00:00
adfs adfs: fix memory leak in sb->s_fs_info 2026-08-31 09:36:20 +02:00
affs vfs-7.3-rc1.sync 2026-08-17 14:21:00 -07:00
afs vfs-7.3-rc3.fixes 2026-09-09 09:38:03 -07:00
autofs autofs: fix sbi->pipe file reference leak in autofs_kill_sb() 2026-09-25 16:51:46 +02:00
befs
bfs vfs-7.3-rc1.sync 2026-08-17 14:21:00 -07:00
btrfs for-7.3-rc6-tag 2026-10-07 15:58:48 +02:00
cachefiles cachefiles: Fix potential UAF/KASAN warning 2026-08-31 09:54:38 +02:00
ceph kmalloc_obj conversions for v7.3-rc2 2026-09-05 20:45:18 -07:00
coda vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
configfs configfs: unhash the dentry before dropping the item in rmdir 2026-09-07 09:15:05 -07:00
cramfs fs: add dedicated block device open helpers for filesystems 2026-06-29 10:31:52 +02:00
crypto fscrypt updates for 7.3 2026-08-17 19:04:16 -07:00
debugfs debugfs: don't warn about uninitialized debugfs for an error parent 2026-09-11 23:13:07 +02:00
devpts
dlm
ecryptfs eCryptfs updates for 7.3-rc1 2026-08-21 12:32:01 -07:00
efivarfs EFI updates for v7.3 2026-08-23 09:24:34 -07:00
erofs erofs: add missing buf->off in erofs_bread() 2026-09-11 12:16:20 +08:00
exfat This contains a set of nine exfat fixes covering shared writable mappings, 2026-08-22 08:57:28 -07:00
exportfs
ext2 \n 2026-08-20 12:52:35 -07:00
ext4 ext4: mark data=journal as deprecated and will be removed in January 2028. 2026-10-08 11:21:30 -04:00
f2fs f2fs-for-7.3-rc1 2026-08-28 10:48:48 -07:00
fat mm.git review status for master..mm-nonmm-stable 2026-08-23 08:07:11 -07:00
fuse treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
gfs2 gfs2 changes 2026-08-17 17:03:34 -07:00
hfs treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
hfsplus hfs/hfsplus updates for v7.3 2026-08-17 18:14:32 -07:00
hostfs Remove excl arg to ->create inode_operation 2026-07-31 10:18:30 +02:00
hpfs vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
hugetlbfs mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
iomap for-7.3/block-20260819 2026-08-20 13:55:16 -07:00
isofs isofs: Fix handling of directories with tight blocks 2026-09-23 18:58:11 +02:00
jbd2 ext4: enable scoped NOFS when starting a handle in nojournal mode 2026-07-22 23:47:06 -04:00
jffs2 vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
jfs vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
kernfs super: make iterate_supers_type() deletion-safe 2026-09-23 09:26:46 +02:00
lockd NFS client updates for Linux 7.3 2026-08-26 15:09:21 -07:00
minix vfs-7.3-rc1.sync 2026-08-17 14:21:00 -07:00
netfs netfs: zero the tail of a short DIO/unbuffered read 2026-09-30 14:24:12 -03:00
nfs mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
nfs_common NFS/localio: fix ref leak on nfs_uuid_add_file failure 2026-08-10 09:54:35 -04:00
nfsd nfsd-7.3 fixes: 2026-09-14 10:41:30 -07:00
nilfs2 nilfs2 updates for v7.3 2026-08-17 18:34:43 -07:00
nls
notify fsnotify: let a filesystem refuse marks on its objects 2026-10-04 12:31:40 +02:00
ntfs - Make MFT extension work on existing Windows-created volumes by 2026-09-18 11:02:08 -07:00
ntfs3 fs/ntfs3: use d_instantiate_new() in ntfs_create_inode() and murder syzbot's "WARNING in do_new_mount" saga 2026-09-10 09:22:06 +02:00
ocfs2 ocfs2: make ocfs2_calc_xattr_init() return void 2026-09-18 08:20:13 -07:00
omfs vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
openpromfs
orangefs Fixes: 2026-08-20 12:36:26 -07:00
overlayfs ovl: fix UAF in ovl_do_mkdir() debug print 2026-09-25 15:52:26 +02:00
proc mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
pstore
qnx4
qnx6
quota quota: Don't issue audit messages on quota enforcing 2026-08-21 09:09:54 +02:00
ramfs mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
resctrl fs/resctrl: Inform user space when status buffer overflowed 2026-07-26 21:40:26 -07:00
romfs vfs-7.3-rc1.super 2026-08-17 13:57:04 -07:00
smb smb: client: split cifsFileInfo bitfields to avoid shared-byte RMW races 2026-09-30 23:17:30 -03:00
squashfs squashfs: Add dictionary size range check to prevent shift-out-of-bounds 2026-09-16 10:26:47 +02:00
sysfs Driver core changes for 7.2-rc1 2026-06-15 12:41:17 +05:30
tests
tracefs eventfs: Initialize ei->children and ei->list in init_ei() 2026-08-24 16:42:57 -04:00
ubifs This pull request contains updates for UBI and UBIFS: 2026-08-28 10:59:07 -07:00
udf \n 2026-08-20 12:52:35 -07:00
ufs ufs: do not treat unreadable directory blocks as empty 2026-08-25 14:44:18 +02:00
unicode unicode: Properly reject invalid encoding version strings 2026-07-31 16:33:14 -04:00
vboxsf Remove excl arg to ->create inode_operation 2026-07-31 10:18:30 +02:00
verity fsverity: RCU-delay the freeing of struct fsverity_info 2026-10-05 10:50:37 +02:00
xfs xfs: fix exchange-range-to-eof file size exchange 2026-10-11 08:23:43 +02:00
zonefs zonefs: convert iomap ops to ->iomap_next() 2026-07-31 12:28:50 +02:00
aio.c mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
anon_inodes.c
attr.c fs,fsverity: remove check for fsverity being enabled in setattr_prepare() 2026-07-28 21:25:03 -07:00
backing-file.c fs: fix user path of nested backing files 2026-08-12 11:36:40 +02:00
bad_inode.c Remove excl arg to ->create inode_operation 2026-07-31 10:18:30 +02:00
binfmt_elf_fdpic.c binfmt_elf_fdpic: consume a stashed PT_INTERP substitute 2026-08-03 10:08:46 +02:00
binfmt_elf.c mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
binfmt_flat.c
binfmt_misc_bpf.c binfmt_misc: fix racy checks in bpf set_interp kfuncs 2026-09-18 11:20:55 +02:00
binfmt_misc.c treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
binfmt_script.c
bpf_fs_kfuncs.c bpf: fs/xattr: don't assume the inode is locked in path_unlink/path_rmdir 2026-09-25 17:22:09 +02:00
buffer.c for-7.3/block-20260819 2026-08-20 13:55:16 -07:00
char_dev.c
compat_binfmt_elf.c
coredump.c treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
d_path.c fs: add failfs 2026-07-27 17:17:59 +02:00
dax.c fs/dax: check zero or empty entry before converting xarray entry 2026-09-05 11:47:49 -07:00
dcache.c dcache: don't put a mountpoint on a dentry that's being removed 2026-10-01 14:20:07 +02:00
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
exec.c sched/cache: Introduce task_struct->sched_cache_grp to fix UAF 2026-09-22 10:50:43 +02:00
failfs.c fs: support FD_FAILFS_ROOT in fchdir() 2026-07-27 17:17:59 +02:00
fcntl.c fcntl: refuse F_SET_RW_HINT on an immutable inode 2026-10-04 12:31:38 +02:00
fhandle.c fhandle: decide the subtree check under mount_lock 2026-10-04 12:31:40 +02:00
file_attr.c
file_table.c namespace: drop the file's reference first in dissolve_on_fput() 2026-09-26 15:47:41 +02:00
file.c
filesystems.c fs: fix switch/case indentation in sysfs() syscall 2026-08-12 11:36:40 +02:00
fs_context.c namespace: don't reconfigure internal superblocks via remount and umount 2026-10-01 14:20:07 +02:00
fs_dirent.c
fs_parser.c
fs_pin.c
fs_struct.c fs: stop rewriting paths for PF_EXITING | PF_DUMPCORE 2026-06-29 10:54:43 +02:00
fs-writeback.c writeback: bound cleanup_offline_cgwb() rescans by rotating scanned inodes 2026-09-17 12:32:51 +02:00
fserror.c
fsopen.c namespace: don't reconfigure internal superblocks via remount and umount 2026-10-01 14:20:07 +02:00
init.c
inode.c fs: avoid repeated scans in evict_inodes() 2026-09-17 12:30:14 +02:00
internal.h vfs-7.3-rc1.super 2026-08-17 13:57:04 -07:00
ioctl.c
Kconfig vfs-7.3-rc1.efs 2026-08-17 08:55:58 -07:00
Kconfig.binfmt binfmt_misc: add binfmt_misc_ops bpf struct_ops 2026-08-03 10:08:41 +02:00
kernel_read_file.c fs: use scoped_with_init_fs() for kernel_read_file_from_path_initns() 2026-06-29 10:44:09 +02:00
libfs.c fs: Provide way for filesystem to wait for metadata writeback 2026-07-27 16:25:32 +02:00
locks.c
Makefile vfs-7.3-rc1.failfs 2026-08-17 09:15:52 -07:00
mbcache.c
mnt_idmapping.c
mount.h namespace: rework connected mounts 2026-10-07 00:45:49 +02:00
mpage.c
namei.c namei: don't reveal overmounted entries in refwalk 2026-10-04 12:31:38 +02:00
namespace.c namespace: simplify disconnect_mount() 2026-10-07 00:45:50 +02:00
nsfs.c vfs-7.2-rc1.misc 2026-06-15 03:59:45 +05:30
nullfs.c nullfs: add an empty immutable regular file 2026-10-07 00:45:49 +02:00
open.c fs: support FD_FAILFS_ROOT in fchroot() 2026-07-27 17:18:00 +02:00
pidfs.c pid: add helpers to operate on a struct pid array 2026-10-12 10:58:20 +02:00
pipe.c Summary 2026-08-20 08:46:41 -07:00
pnode.c namespace: rework connected mounts 2026-10-07 00:45:49 +02:00
pnode.h
posix_acl.c vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
proc_namespace.c fs: add real_fs to track task's actual fs_struct 2026-06-29 10:43:45 +02:00
read_write.c
readdir.c readdir: take no inode lock on an immutable directory 2026-10-04 12:36:13 +02:00
remap_range.c
select.c vfs-7.2-rc1.misc 2026-06-15 03:59:45 +05:30
seq_file.c seq_file: rename mangle_path to seq_mangle_path 2026-07-31 10:09:14 +02:00
signalfd.c
splice.c
stack.c
stat.c fs: annotate inode timestamp accessors 2026-07-31 10:09:11 +02:00
statfs.c
super.c vfs-7.3-rc5.fixes 2026-09-25 11:12:06 -07:00
sync.c
sysctls.c
timerfd.c
utimes.c
xattr.c lsm/stable-7.2 PR 20260615 2026-06-17 12:34:16 +01:00