This is the start of the stable review cycle for the 6.12.84 release. There are 35 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 Sun, 26 Apr 2026 13:23:21 +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/v6.x/stable-review/patch-6.12.84-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 6.12.84-rc1

Anderson Nascimento anderson@allelesecurity.com rxrpc: Fix missing validation of ticket length in non-XDR key preparsing

Sean Christopherson seanjc@google.com crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed

Sean Christopherson seanjc@google.com crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed

Sean Christopherson seanjc@google.com crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed

Bingquan Chen patzilla007@gmail.com net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd()

Berk Cem Goksel berkcgoksel@gmail.com ALSA: caiaq: take a reference on the USB device in create_card()

Cryolitia PukNgae cryolitia.pukngae@linux.dev ALSA: usb-audio: apply quirk for MOONDROP JU Jiu

George Saad geoo115@gmail.com f2fs: fix use-after-free of sbi in f2fs_compress_write_end_io()

Tristan Madani tristan@talencesecurity.com ksmbd: use check_add_overflow() to prevent u16 DACL size overflow

Tristan Madani tristan@talencesecurity.com ksmbd: fix out-of-bounds write in smb2_get_ea() EA alignment

Michael Bommarito michael.bommarito@gmail.com ksmbd: validate num_aces and harden ACE walk in smb_inherit_dacl()

Michael Bommarito michael.bommarito@gmail.com ksmbd: validate response sizes in ipc_validate_msg()

Michael Bommarito michael.bommarito@gmail.com smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path

Michael Bommarito michael.bommarito@gmail.com smb: client: require a full NFS mode SID before reading mode bits

DaeMyung Kang charsyam@gmail.com smb: server: fix max_connections off-by-one in tcp accept path

Michael Bommarito michael.bommarito@gmail.com smb: server: fix active_num_conn leak on transport allocation failure

Michael Bommarito michael.bommarito@gmail.com ksmbd: require minimum ACE size in smb_check_perm_dacl()

Darrick J. Wong djwong@kernel.org fuse: quiet down complaints in fuse_conn_limit_write

Bernd Schubert bschubert@ddn.com fuse: Check for large folio with SPLICE_F_MOVE

Samuel Page sam@bynar.io fuse: reject oversized dirents in page cache

Chao Yu chao@kernel.org f2fs: fix to avoid memory leak in f2fs_rename()

Greg Kroah-Hartman gregkh@linuxfoundation.org fs/ntfs3: validate rec->used in journal-replay file record check

Wang Jie jiewang2024@lzu.edu.cn rxrpc: only handle RESPONSE during service challenge

Nathan Chancellor nathan@kernel.org scripts/dtc: Remove unused dts_version in dtc-lexer.l

Namjae Jeon linkinjeon@kernel.org ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger

Max Boone mboone@akamai.com mm/pagewalk: fix race between concurrent split and refault

Tamir Duberstein tamird@kernel.org scripts: generate_rust_analyzer.py: define scripts

Mikhail Gavrilov mikhail.v.gavrilov@gmail.com drm/amdgpu: replace PASID IDR with XArray

Daniel Golle daniel@makrotopia.org net: ethernet: mtk_eth_soc: initialize PPE per-tag-layer MTU registers

Miguel Ojeda ojeda@kernel.org rust: warn on bindgen < 0.69.5 and libclang >= 19.1

Felix Fietkau nbd@nbd.name wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

Steven Chen chenste@linux.microsoft.com ima: do not copy measurement list to kdump kernel

Steven Chen chenste@linux.microsoft.com ima: verify if the segment size has changed

Koichiro Den den@valinux.co.jp PCI: endpoint: pci-epf-vntb: Remove duplicate resource teardown

Jianhui Zhou jianhuizzzzz@gmail.com mm/userfaultfd: fix hugetlb fault mutex hash calculation

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

Diffstat:

Makefile | 4 +- drivers/crypto/ccp/sev-dev.c | 19 ++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 39 +++++++------- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 22 +++++++- drivers/net/ethernet/mediatek/mtk_ppe.c | 30 +++++++++++ drivers/net/ethernet/mediatek/mtk_ppe.h | 1 + drivers/net/wireless/ath/ath9k/channel.c | 6 +-- drivers/net/wireless/virtual/mac80211_hwsim.c | 1 - drivers/pci/endpoint/functions/pci-epf-vntb.c | 18 +------ fs/f2fs/compress.c | 14 +++-- fs/f2fs/namei.c | 1 + fs/fuse/control.c | 4 +- fs/fuse/dev.c | 3 ++ fs/fuse/readdir.c | 4 ++ fs/ntfs3/fslog.c | 12 ++++- fs/smb/client/cifsacl.c | 1 + fs/smb/client/smb2ops.c | 6 +++ fs/smb/server/mgmt/user_config.c | 6 --- fs/smb/server/smb2pdu.c | 2 + fs/smb/server/smbacl.c | 61 +++++++++++++++++----- fs/smb/server/transport_ipc.c | 16 ++++-- fs/smb/server/transport_tcp.c | 4 +- fs/smb/server/vfs_cache.c | 41 +++++++++++---- include/linux/hugetlb.h | 17 ++++++ include/net/mac80211.h | 4 +- mm/pagewalk.c | 24 ++++++++- mm/userfaultfd.c | 2 +- net/mac80211/tx.c | 4 +- net/packet/af_packet.c | 21 +++++--- net/rxrpc/conn_event.c | 14 ++++- net/rxrpc/key.c | 4 ++ scripts/dtc/dtc-lexer.l | 3 -- scripts/generate_rust_analyzer.py | 14 ++++- scripts/rust_is_available.sh | 15 ++++++ .../rust_is_available_bindgen_libclang_concat.h | 3 ++ scripts/rust_is_available_test.py | 34 +++++++++++- security/integrity/ima/ima_kexec.c | 13 +++++ sound/usb/caiaq/device.c | 4 +- sound/usb/mixer.c | 7 +++ 39 files changed, 389 insertions(+), 109 deletions(-)