[GIT PULL] Ceph fixes for 6.18-rc8

[Ilya Dryomov]

Hi Linus,

The following changes since commit ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d:

  Linux 6.18-rc7 (2025-11-23 14:53:16 -0800)

are available in the Git repository at:

  https://github.com/ceph/ceph-client.git tags/ceph-for-6.18-rc8

for you to fetch changes up to 7fce830ecd0a0256590ee37eb65a39cbad3d64fc:

  libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (2025-11-27 09:59:49 +0100)

----------------------------------------------------------------
A patch to make sparse read handling work in msgr2 secure mode from
Slava and a couple of fixes from Ziming and myself to avoid operating
on potentially invalid memory, all marked for stable.

----------------------------------------------------------------
Ilya Dryomov (2):
      libceph: fix potential use-after-free in have_mon_and_osd_map()
      libceph: drop started parameter of __ceph_open_session()

Viacheslav Dubeyko (1):
      ceph: fix crash in process_v2_sparse_read() for encrypted directories

ziming zhang (2):
      libceph: replace BUG_ON with bounds check for map->max_osd
      libceph: prevent potential out-of-bounds writes in handle_auth_session_key()

 fs/ceph/super.c              |  2 +-
 include/linux/ceph/libceph.h |  3 +--
 net/ceph/auth_x.c            |  2 ++
 net/ceph/ceph_common.c       | 58 ++++++++++++++++++++++++++------------------
 net/ceph/debugfs.c           | 14 ++++++++---
 net/ceph/messenger_v2.c      | 11 ++++++---
 net/ceph/osdmap.c            | 18 ++++++++------
 7 files changed, 66 insertions(+), 42 deletions(-)