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Please consider pulling these changes from the signed vfs-7.4-rc1.misc tag.
Thanks!
Christian
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Merge tag 'vfs-7.4-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"Fixes:
- aio: a keyed poll completion on an epoll instance could recurse
into the same epoll waitqueue lock when the result eventfd is
watched by that very instance. An unprivileged process could make a
CPU spin on the recursive lock. eventfd-backed poll completions are
always deferred now.
- fsnotify_inoderemove() is only called once the inode is really
dead, no nlink and no aliases, and open_by_handle_at() can't add an
alias to a dead inode anymore. The race could crash fsnotify or
lose inode mark notifications.
- devtmpfs: the conversion of the public instance to ->get_tree()
broke reconfiguring the shared superblock's options on later mounts
which made the boot time defaults permanent. A reconfigure context
is kept in fc->fs_private so the parse ops can forward options to
the underlying filesystem.
- ufs truncated the 64-bit directory size to an unsigned int in
ufs_last_byte(). A crafted image with a 4 GiB directory produced an
out-of-folio read in ufs_find_entry() and, with
CONFIG_UFS_FS_WRITE, a write into an adjacent page.
- devpts rejects max=0 instead of silently lifting the per-instance
pty limit. The value wrapped into ida_alloc_max() and became
unlimited.
- fs_pin publishes pins with the rcu list helpers so the kill paths
reading the lists under rcu see the initialization.
- dentry_kill() reports a Tasks-RCU quiescent state. Its
cond_resched() is the only reschedule point on the dentry teardown
path and cond_resched() isn't a quiescent state for Tasks-RCU, so
Meta kept seeing rcu_tasks stalls in btrfs subvolume deletion.
- writeback sizes foreign flushes by the target wb's dirty pages
instead of the memcg-wide count which over or undersized a single
bdi flush.
- nfsd READ emitted two fsnotify access events on the iterator path
since vfs_iocb_iter_read() already sends one. A READ on a krb5i or
krb5p mount showed up twice in inotify.
- pipe and splice pass a poll key when waking readers and writers so
epoll, poll() and select() waiters only wake for the event they
asked for.
- the iso8859-14 Unicode to charset tables had page01 duplicated as
page1e so 29 code points mapped to the wrong bytes and 22 that
aren't in the charset were accepted.
- orangefs doesn't wait for an unmount service operation that never
returns on system shutdown and uses ssize_t for strscpy() errors.
- __register_chrdev() checks the kobject_set_name() return value.
- selftest fixes: the openat2 tests hardcoded O_LARGEFILE to 0x8000
which is O_NOFOLLOW on powerpc, resolve_test makes /tmp a
mountpoint so RESOLVE_NO_XDEV has a boundary to trip over,
file_stressor moves into its own directory with a 30 minute
timeout, the kernfs listxattr test skips when SELinux exposes
security.selinux, the namespaces active reference tests wait for
the thread via a PIDFD_THREAD pidfd since pthread_join() returns
before exit_nsproxy_namespaces(), the idmapped_tmpfile test chowns
its directory into the mapped range, the clone3 CLONE_CLEAR_SIGHAND
test adds CLONE_VM so it fails for the intended reason, the pidfd
PPID error message prints the values it compares and fscontext_ns
gets a .gitignore.
Cleanups:
- vmcore prints the release of the crashed kernel from the VMCOREINFO
note so a kdump that dies before the dump lands still says which
kernel it was for.
- initramfs allocates hardlink hash entries with the validated cpio
name length instead of PATH_MAX, which put every entry in
kmalloc-8k.
- the unused dax_layout_busy_page() is removed,
dax_layout_busy_page_range() becomes static and dax_folio_init()
drops a redundant list initialization.
- vfs_empty_path() is removed, it has had no callers since
getname_maybe_null().
- comment and documentation fixes in aio, bpf_fs_kfuncs,
fs-writeback, inode, read_write, squashfs and the vfs.rst copy of
struct file_system_type"
* tag 'vfs-7.4-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (38 commits)
selftests/filesystems: Fix idmapped_tmpfile layer dir ownership
selftests/namespaces: Wait for thread exit via pidfd in active-ref tests
writeback: size foreign flushes by target wb dirty pages
initramfs: Reduce hardlink hash allocation sizes
fs: remove unused vfs_empty_path()
dcache: report a Tasks-RCU quiescent state in dentry_kill()
vmcore: report the release of the crashed kernel
splice: pass a poll key when waking pipe readers and writers
pipe: pass a poll key when waking writers after a resize
orangefs: use ssize_t instead of size_t for error codes...
orangefs_super: don't wait on service operation on system shutdown.
docs/vfs: Fix the struct file_system_type copy
nls: fix the Unicode to charset tables of iso8859-14
selftests/filesystems/openat2: make /tmp a mountpoint inside private namespace
selftests/filesystems/openat2: fix O_LARGEFILE definitions for non-arm64 architectures
fs: fix misleading comments in read_write.c
squashfs: fix inode number description in documentation
fs: fix typos in comments
fs/dax: Make dax_layout_busy_page_range() static
fs/dax: Remove unused dax_layout_busy_page()
...
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