[PATCH 5.15 00/28] 5.15.52-rc1 review

[Greg Kroah-Hartman]

This is the start of the stable review cycle for the 5.15.52 release.
There are 28 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Sat, 02 Jul 2022 13:32:22 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.52-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    Linux 5.15.52-rc1

Pavel Begunkov <asml.silence@xxxxxxxxx>
    io_uring: fix not locked access to fixed buf table

Vladimir Oltean <vladimir.oltean@xxxxxxx>
    net: mscc: ocelot: allow unregistered IP multicast flooding to CPU

Ping-Ke Shih <pkshih@xxxxxxxxxxx>
    rtw88: rtw8821c: enable rfe 6 devices

Guo-Feng Fan <vincent_fann@xxxxxxxxxxx>
    rtw88: 8821c: support RFE type4 wifi NIC

Christian Brauner <brauner@xxxxxxxxxx>
    fs: account for group membership

Christian Brauner <brauner@xxxxxxxxxx>
    fs: fix acl translation

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: support mapped mounts of mapped filesystems

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: add i_user_ns() helper

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: port higher-level mapping helpers

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: remove unused low-level mapping helpers

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: use low-level mapping helpers

Christian Brauner <christian.brauner@xxxxxxxxxx>
    docs: update mapping documentation

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: account for filesystem mappings

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: tweak fsuidgid_has_mapping()

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: move mapping helpers

Christian Brauner <christian.brauner@xxxxxxxxxx>
    fs: add is_idmapped_mnt() helper

Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
    powerpc/ftrace: Remove ftrace init tramp once kernel init is complete

Darrick J. Wong <djwong@xxxxxxxxxx>
    xfs: only bother with sync_filesystem during readonly remount

Darrick J. Wong <djwong@xxxxxxxxxx>
    xfs: prevent UAF in xfs_log_item_in_current_chkpt

Dave Chinner <dchinner@xxxxxxxxxx>
    xfs: check sb_meta_uuid for dabuf buffer recovery

Darrick J. Wong <djwong@xxxxxxxxxx>
    xfs: remove all COW fork extents when remounting readonly

Yang Xu <xuyang2018.jy@xxxxxxxxxxx>
    xfs: Fix the free logic of state in xfs_attr_node_hasname

Brian Foster <bfoster@xxxxxxxxxx>
    xfs: punch out data fork delalloc blocks on COW writeback failure

Rustam Kovhaev <rkovhaev@xxxxxxxxx>
    xfs: use kmem_cache_free() for kmem_cache objects

Coly Li <colyli@xxxxxxx>
    bcache: memset on stack variables in bch_btree_check() and bch_sectors_dirty_init()

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    x86, kvm: use proper ASM macros for kvm_vcpu_is_preempted

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    clocksource/drivers/ixp4xx: remove __init from ixp4xx_timer_setup()

Masahiro Yamada <masahiroy@xxxxxxxxxx>
    tick/nohz: unexport __init-annotated tick_nohz_full_setup()


-------------

Diffstat:

 Documentation/filesystems/idmappings.rst      |  72 --------
 Makefile                                      |   4 +-
 arch/powerpc/include/asm/ftrace.h             |   4 +-
 arch/powerpc/kernel/trace/ftrace.c            |  15 +-
 arch/powerpc/mm/mem.c                         |   2 +
 arch/x86/kernel/kvm.c                         |   2 +-
 drivers/clocksource/mmio.c                    |   2 +-
 drivers/clocksource/timer-ixp4xx.c            |  10 +-
 drivers/md/bcache/btree.c                     |   1 +
 drivers/md/bcache/writeback.c                 |   1 +
 drivers/net/ethernet/mscc/ocelot.c            |   8 +-
 drivers/net/wireless/realtek/rtw88/rtw8821c.c |  14 +-
 fs/attr.c                                     |  26 ++-
 fs/cachefiles/bind.c                          |   2 +-
 fs/ecryptfs/main.c                            |   2 +-
 fs/io_uring.c                                 |  28 +--
 fs/ksmbd/smbacl.c                             |  19 +--
 fs/ksmbd/smbacl.h                             |   5 +-
 fs/namespace.c                                |  53 ++++--
 fs/nfsd/export.c                              |   2 +-
 fs/open.c                                     |   8 +-
 fs/overlayfs/super.c                          |   2 +-
 fs/posix_acl.c                                |  27 ++-
 fs/proc_namespace.c                           |   2 +-
 fs/xattr.c                                    |   6 +-
 fs/xfs/libxfs/xfs_attr.c                      |  17 +-
 fs/xfs/xfs_aops.c                             |  15 +-
 fs/xfs/xfs_buf_item_recover.c                 |   2 +-
 fs/xfs/xfs_extfree_item.c                     |   6 +-
 fs/xfs/xfs_inode.c                            |   8 +-
 fs/xfs/xfs_linux.h                            |   1 +
 fs/xfs/xfs_log_cil.c                          |   6 +-
 fs/xfs/xfs_super.c                            |  21 ++-
 fs/xfs/xfs_symlink.c                          |   4 +-
 include/linux/fs.h                            | 141 +++++-----------
 include/linux/mnt_idmapping.h                 | 234 ++++++++++++++++++++++++++
 include/linux/platform_data/timer-ixp4xx.h    |   5 +-
 include/linux/posix_acl_xattr.h               |   4 +
 kernel/time/tick-sched.c                      |   1 -
 security/commoncap.c                          |  15 +-
 40 files changed, 498 insertions(+), 299 deletions(-)