This is the start of the stable review cycle for the 6.18.25 release. There are 55 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 13:23:22 +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/v6.x/stable-review/patch-6.18.25-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.18.y and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 6.18.25-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()

Eric Naim dnaim@cachyos.org ALSA: hda/realtek: Add quirk for Legion S7 15IMH

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()

Jan Kara jack@suse.cz writeback: Fix use after free in inode_switch_wbs_work_fn()

DaeMyung Kang charsyam@gmail.com ksmbd: reset rcount per connection in ksmbd_conn_wait_idle_sess_id()

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()

Miklos Szeredi mszeredi@redhat.com fuse: fuse_dev_ioctl_clone() should wait for device file to be initialized

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

Miklos Szeredi mszeredi@redhat.com fuse: abort on fatal signal during sync init

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

Chao Yu chao@kernel.org f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer

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

Yongpeng Yang yangyongpeng@xiaomi.com f2fs: fix UAF caused by decrementing sbi->nr_pages[] in f2fs_write_end_io()

Chao Yu chao@kernel.org f2fs: fix to do sanity check on dcc->discard_cmd_cnt conditionally

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

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

Eric Biggers ebiggers@kernel.org lib/crypto: tests: Drop the default to CRYPTO_SELFTESTS

Eric Biggers ebiggers@kernel.org kunit: configs: Enable all crypto library tests in all_tests.config

Eric Biggers ebiggers@kernel.org lib/crypto: tests: Introduce CRYPTO_LIB_ENABLE_ALL_FOR_KUNIT

Eric Biggers ebiggers@kernel.org lib/crypto: tests: Add a .kunitconfig file

Eric Biggers ebiggers@kernel.org kunit: configs: Enable all CRC tests in all_tests.config

Eric Biggers ebiggers@kernel.org lib/crc: tests: Add a .kunitconfig file

Eric Biggers ebiggers@kernel.org lib/crc: tests: Add CRC_ENABLE_ALL_FOR_KUNIT

Eric Biggers ebiggers@kernel.org lib/crc: tests: Make crc_kunit test only the enabled CRC variants

Peter Zijlstra peterz@infradead.org sched/debug: Fix avg_vruntime() usage

Catalin Marinas catalin.marinas@arm.com arm64: errata: Work around early CME DVMSync acknowledgement

Catalin Marinas catalin.marinas@arm.com arm64: cputype: Add C1-Pro definitions

Catalin Marinas catalin.marinas@arm.com arm64: tlb: Pass the corresponding mm to __tlbi_sync_s1ish()

Catalin Marinas catalin.marinas@arm.com arm64: tlb: Introduce __tlbi_sync_s1ish_{kernel,batch}() for TLB maintenance

Mark Rutland mark.rutland@arm.com arm64: tlb: Optimize ARM64_WORKAROUND_REPEAT_TLBI

Mark Rutland mark.rutland@arm.com arm64: tlb: Allow XZR argument to TLBI ops

Namjae Jeon linkinjeon@kernel.org ksmbd: validate owner of durable handle on reconnect

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

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

Dudu Lu phx0fer@gmail.com crypto: krb5enc - fix async decrypt skipping hash verification

Wesley Atwell atwellwea@gmail.com crypto: krb5enc - fix sleepable flag handling in encrypt dispatch

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

Minhong He heminhong@kylinos.cn ipv6: add NULL checks for idev in SRv6 paths

Herbert Xu herbert@gondor.apana.org.au crypto: authencesn - Fix src offset when decrypting in-place

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

Diffstat:

Documentation/arch/arm64/silicon-errata.rst | 2 + Makefile | 4 +- arch/arm64/Kconfig | 12 +++ arch/arm64/include/asm/cpucaps.h | 2 + arch/arm64/include/asm/cputype.h | 2 + arch/arm64/include/asm/fpsimd.h | 21 ++++ arch/arm64/include/asm/tlbbatch.h | 10 +- arch/arm64/include/asm/tlbflush.h | 143 ++++++++++++++++++++++----- arch/arm64/kernel/cpu_errata.c | 30 ++++++ arch/arm64/kernel/entry-common.c | 3 + arch/arm64/kernel/fpsimd.c | 79 +++++++++++++++ arch/arm64/kernel/process.c | 36 +++++++ arch/arm64/kernel/sys_compat.c | 2 +- arch/arm64/kvm/hyp/nvhe/mm.c | 2 +- arch/arm64/kvm/hyp/nvhe/tlb.c | 8 +- arch/arm64/kvm/hyp/pgtable.c | 2 +- arch/arm64/kvm/hyp/vhe/tlb.c | 10 +- arch/arm64/tools/cpucaps | 1 + crypto/authencesn.c | 6 +- crypto/krb5enc.c | 51 ++++++---- 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 + fs/f2fs/compress.c | 14 ++- fs/f2fs/data.c | 7 +- fs/f2fs/f2fs.h | 2 +- fs/f2fs/namei.c | 1 + fs/f2fs/segment.c | 6 +- fs/f2fs/super.c | 11 ++- fs/fs-writeback.c | 36 +++---- fs/fuse/control.c | 4 +- fs/fuse/dev.c | 30 +++--- fs/fuse/fuse_i.h | 1 + fs/fuse/inode.c | 1 + 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/connection.c | 5 +- fs/smb/server/mgmt/user_config.c | 6 -- fs/smb/server/mgmt/user_session.c | 7 +- fs/smb/server/oplock.c | 7 ++ fs/smb/server/oplock.h | 1 + fs/smb/server/smb2pdu.c | 5 +- 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 | 128 ++++++++++++++++++++---- fs/smb/server/vfs_cache.h | 12 ++- kernel/sched/debug.c | 4 +- lib/crc/.kunitconfig | 3 + lib/crc/Kconfig | 21 ++-- lib/crc/tests/crc_kunit.c | 28 ++++-- lib/crypto/.kunitconfig | 11 +++ lib/crypto/tests/Kconfig | 32 ++++-- net/ipv6/exthdrs.c | 4 + net/ipv6/seg6_hmac.c | 2 + net/packet/af_packet.c | 21 ++-- net/rxrpc/key.c | 4 + scripts/dtc/dtc-lexer.l | 3 - scripts/generate_rust_analyzer.py | 14 ++- sound/hda/codecs/realtek/alc269.c | 1 + sound/usb/caiaq/device.c | 4 +- sound/usb/mixer.c | 7 ++ tools/testing/kunit/configs/all_tests.config | 4 + 67 files changed, 870 insertions(+), 218 deletions(-)