6.18.38-rc2 review
Greg Kroah-Hartman
maintainercover 6.18.38-rc2 review
This is the start of the stable review cycle for the 6.18.38 release. There are 109 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, 05 Jul 2026 07:28:03 +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-6.18.38-rc2.gz
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 <[email protected]>
Linux 6.18.38-rc2
John Johansen <[email protected]>
apparmor: advertise the tcp fast open fix is applied
HanQuan <[email protected]>
net/tcp-ao: fix use-after-free of key in del_async path
Stepan Ionichev <[email protected]>
serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails
Hem Parekh <[email protected]>
ksmbd: fix out-of-bounds read in smb_check_perm_dacl()
Markus Elfring <[email protected]>
NFS: Prevent resource leak in nfs_alloc_server()
Igor Raits <[email protected]>
NFSv4: clear exception state on successful mkdir retry
Michael Bommarito <[email protected]>
NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
Michael Bommarito <[email protected]>
NFSv4/flexfiles: reject zero filehandle version count
Jeff Layton <[email protected]>
nfsd: reset write verifier on deferred writeback errors
Jeff Layton <[email protected]>
nfsd: avoid leaking pre-allocated openowner on unconfirmed retry race
Dominik Woźniak <[email protected]>
nfsd: check get_user() return when reading princhashlen
Jeff Layton <[email protected]>
nfsd: fix inverted cp_ttl check in async copy reaper
Jeff Layton <[email protected]>
nfsd: fix posix_acl leak on SETACL decode failure
Guannan Wang <[email protected]>
NFSD: Fix SECINFO_NO_NAME decode error cleanup
Johan Hovold <[email protected]>
i2c: core: fix adapter registration race
Steffen Persvold <[email protected]>
fbdev: modedb: Fix misaligned fields in the 1920x1080-60 mode
Tuo Li <[email protected]>
fbdev: modedb: fix a possible UAF in fb_find_mode()
Ian Bridges <[email protected]>
fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
Vivian Wang <[email protected]>
riscv: kfence: Call mark_new_valid_map() for kfence_unprotect()
Vivian Wang <[email protected]>
riscv: mm: Extract helper mark_new_valid_map()
Wentao Liang <[email protected]>
power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init()
Ashutosh Desai <[email protected]>
KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path
Hyunwoo Kim <[email protected]>
KVM: x86: hyper-v: Bound the bank index when querying sparse banks
Jonas Jelonek <[email protected]>
MIPS: smp: report dying CPU to RCU in stop_this_cpu()
Yizhou Zhao <[email protected]>
9p: avoid putting oldfid in p9_client_walk() error path
Zhang Cen <[email protected]>
ocfs2: reject oversized group bitmap descriptors
Yuho Choi <[email protected]>
rpmsg: char: Fix use-after-free on probe error path
Wentao Liang <[email protected]>
fpga: region: fix use-after-free in child_regions_with_firmware()
Qingshuang Fu <[email protected]>
irqchip/imgpdc: Fix resource leak, add missing chained handler cleanup on remove
Wentao Liang <[email protected]>
pNFS: Fix use-after-free in pnfs_update_layout()
Huacai Chen <[email protected]>
LoongArch: Report dying CPU to RCU in stop_this_cpu()
Doruk Tan Ozturk <[email protected]>
tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done
Michal Koutný <[email protected]>
blk-cgroup: fix UAF in __blkcg_rstat_flush()
Fan Wu <[email protected]>
hdlc_ppp: sync per-proto timers before freeing hdlc state
Wentao Liang <[email protected]>
pwrseq: core: fix use-after-free in pwrseq_debugfs_seq_next()
Tristan Madani <[email protected]>
gfs2: fix use-after-free in gfs2_qd_dealloc
Sam James <[email protected]>
crypto: nx - fix nx_crypto_ctx_exit argument
Sean Christopherson <[email protected]>
KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned()
Sean Christopherson <[email protected]>
KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level
Michael Bommarito <[email protected]>
exfat: fix potential use-after-free in exfat_find_dir_entry()
Maciej W. Rozycki <[email protected]>
MIPS: DEC: Prevent initial console buffer from landing in XKPHYS
Dawei Feng <[email protected]>
bpf: use kvfree() for replaced sysctl write buffer
Denis Arefev <[email protected]>
block: Avoid mounting the bdev pseudo-filesystem in userspace
Wenjie Qi <[email protected]>
f2fs: keep atomic write retry from zeroing original data
Yongpeng Yang <[email protected]>
f2fs: fix incorrect FI_NO_EXTENT handling in __destroy_extent_node()
Zhang Cen <[email protected]>
f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
Sunmin Jeong <[email protected]>
f2fs: fix to round down start offset of fallocate for pin file
Wenjie Qi <[email protected]>
f2fs: validate compress cache inode only when enabled
Wenjie Qi <[email protected]>
f2fs: validate orphan inode entry count
Wenjie Qi <[email protected]>
f2fs: pass correct iostat type for single node writes
Junrui Luo <[email protected]>
wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers
Junjie Cao <[email protected]>
wifi: iwlwifi: mld: fix race condition in PTP removal
Junjie Cao <[email protected]>
wifi: iwlwifi: mvm: fix race condition in PTP removal
Luka Gejak <[email protected]>
wifi: rtw88: usb: fix memory leaks on USB write failures
Luka Gejak <[email protected]>
wifi: rtw88: increase TX report timeout to fix race condition
Bitterblue Smith <[email protected]>
wifi: rtlwifi: rtl8821ae: Fix C2H bit location in RX descriptor
Jose Ignacio Tornos Martinez <[email protected]>
wifi: ath11k: fix warning when unbinding
ElXreno <[email protected]>
wifi: mt76: mt7925: don't disable AP BSS when removing TDLS peer
Zenm Chen <[email protected]>
wifi: mt76: mt76x2u: Add support for ELECOM WDC-867SU3S
Mike Rapoport (Microsoft) <[email protected]>
userfaultfd: ensure mremap_userfaultfd_fail() releases mmap_changing
Shaomin Chen <[email protected]>
keys: Pin request_key_auth payload in instantiate paths
Jarkko Sakkinen <[email protected]>
KEYS: fix overflow in keyctl_pkey_params_get_2()
Konstantin Khorenko <[email protected]>
gcov: use atomic counter updates to fix concurrent access crashes
Arnd Bergmann <[email protected]>
err.h: use __always_inline on all error pointer helpers
Ard Biesheuvel <[email protected]>
KVM: arm64: Omit tag sync on stage-2 mappings of the zero page
Usama Arif <[email protected]>
block: invalidate cached plug timestamp after task switch
Ian Bridges <[email protected]>
fbdev: fix use-after-free in store_modes()
Koichiro Den <[email protected]>
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
Ruslan Valiyev <[email protected]>
apparmor: fix use-after-free in rawdata dedup loop
Bryam Vargas <[email protected]>
apparmor: mediate the implicit connect of TCP fast open sendmsg
Maoyi Xie <[email protected]>
net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink
Yiming Qian <[email protected]>
net: skmsg: preserve sg.copy across SG transforms
Doruk Tan Ozturk <[email protected]>
mac802154: llsec: add skb_cow_data() before in-place crypto
Kuniyuki Iwashima <[email protected]>
af_unix: Set gc_in_progress to true in unix_gc().
Jiajia Liu <[email protected]>
wifi: mt76: add wcid publish check in mt76_sta_add
Konstantin Komarov <[email protected]>
ntfs3: reject direct userspace writes to reserved $LX* xattrs
Wongi Lee <[email protected]>
ipv4: account for fraggap on the paged allocation path
Wongi Lee <[email protected]>
ipv6: account for fraggap on the paged allocation path
Sven Eckelmann <[email protected]>
batman-adv: tvlv: avoid race of cifsnotfound handler state
Sven Eckelmann <[email protected]>
batman-adv: tvlv: enforce 2-byte alignment
Sven Eckelmann <[email protected]>
batman-adv: dat: prevent false sharing between VLANs
Sven Eckelmann <[email protected]>
batman-adv: tt: track roam count per VID
Sven Eckelmann <[email protected]>
batman-adv: tt: don't merge change entries with different VIDs
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: handle overlapping packets
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: prevent parallel modifications of last_recv
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: annotate last_recv_time access with READ/WRITE_ONCE
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: restrict number of unacked list entries
Sven Eckelmann <[email protected]>
batman-adv: v: prevent OGM aggregation on disabled hardif
Sven Eckelmann <[email protected]>
batman-adv: frag: avoid underflow of TTL
Sven Eckelmann <[email protected]>
batman-adv: frag: ensure fragment is writable before modifying TTL
Sven Eckelmann <[email protected]>
batman-adv: fix (m|b)cast csum after decrementing TTL
Sven Eckelmann <[email protected]>
batman-adv: ensure bcast is writable before modifying TTL
Sven Eckelmann <[email protected]>
batman-adv: gw: don't deselect gateway with active hardif
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: initialize last_recv_time during init
Sven Eckelmann <[email protected]>
batman-adv: prevent ELP transmission interval underflow
Sven Eckelmann <[email protected]>
batman-adv: bla: annotate lasttime access with READ/WRITE_ONCE
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: add only finished tp_vars to lists
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: handle seqno wrap-around for fast recovery detection
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: fix fast recovery precondition
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: avoid divide-by-zero for dec_cwnd
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: avoid window underflow
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: initialize dec_cwnd explicitly
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: initialize dup_acks explicitly
Sven Eckelmann <[email protected]>
batman-adv: tp_meter: keep unacked list in ascending ordered
NeilBrown <[email protected]>
lockd: fix TEST handling when not all permissions are available.
Sasha Levin <[email protected]>
Revert "PCI: qcom: Advertise Hotplug Slot Capability with no Command Completion support"
Paul Moore <[email protected]>
selinux: fix overlayfs mmap() and mprotect() access checks
Paul Moore <[email protected]>
lsm: add backing_file LSM hooks
Paolo Bonzini <[email protected]>
KVM: x86: Fix shadow paging use-after-free due to unexpected role
-------------
Diffstat:
Makefile | 31 ++- arch/arm64/kvm/mmu.c | 5 + arch/loongarch/kernel/smp.c | 1 + arch/mips/dec/prom/console.c | 7 +- arch/mips/kernel/smp.c | 2 + arch/riscv/include/asm/cacheflush.h | 25 +- arch/riscv/include/asm/kfence.h | 7 +- arch/riscv/kernel/entry.S | 6 +- arch/x86/kvm/hyperv.c | 5 + arch/x86/kvm/mmu/mmu.c | 28 ++- arch/x86/kvm/svm/sev.c | 1 + block/bdev.c | 5 - block/blk-cgroup.c | 21 +- drivers/crypto/nx/nx.c | 6 +- drivers/crypto/nx/nx.h | 2 +- drivers/fpga/of-fpga-region.c | 3 +- drivers/i2c/i2c-core-base.c | 8 +- drivers/irqchip/irq-imgpdc.c | 6 + drivers/net/wan/hdlc_ppp.c | 15 +- drivers/net/wireless/ath/ath11k/dp.c | 1 + drivers/net/wireless/intel/iwlwifi/mld/agg.c | 9 + drivers/net/wireless/intel/iwlwifi/mld/ptp.c | 2 +- drivers/net/wireless/intel/iwlwifi/mvm/ptp.c | 2 +- drivers/net/wireless/mediatek/mt76/mac80211.c | 15 +- drivers/net/wireless/mediatek/mt76/mt76x2/usb.c | 1 + drivers/net/wireless/mediatek/mt76/mt7925/main.c | 3 + .../net/wireless/realtek/rtlwifi/rtl8821ae/trx.h | 2 +- drivers/net/wireless/realtek/rtw88/tx.c | 7 +- drivers/net/wireless/realtek/rtw88/usb.c | 13 +- drivers/ntb/hw/epf/ntb_hw_epf.c | 3 +- drivers/pci/controller/dwc/pcie-qcom.c | 17 +- drivers/power/reset/linkstation-poweroff.c | 2 +- drivers/power/sequencing/core.c | 14 +- drivers/rpmsg/rpmsg_char.c | 15 +- drivers/tty/serial/8250/8250_dw.c | 4 +- drivers/video/fbdev/core/fbmem.c | 12 + drivers/video/fbdev/core/fbsysfs.c | 10 +- drivers/video/fbdev/core/modedb.c | 5 +- fs/backing-file.c | 17 +- fs/exfat/dir.c | 4 +- fs/f2fs/acl.c | 18 +- fs/f2fs/checkpoint.c | 14 +- fs/f2fs/data.c | 16 +- fs/f2fs/extent_cache.c | 19 +- fs/f2fs/file.c | 9 +- fs/f2fs/inode.c | 9 +- fs/f2fs/node.c | 2 +- fs/file_table.c | 27 ++- fs/fuse/passthrough.c | 2 +- fs/gfs2/super.c | 1 + fs/internal.h | 3 +- fs/lockd/svc4proc.c | 13 +- fs/lockd/svclock.c | 4 +- fs/lockd/svcproc.c | 15 +- fs/lockd/svcsubs.c | 35 ++- fs/nfs/client.c | 1 + fs/nfs/flexfilelayout/flexfilelayout.c | 4 + fs/nfs/nfs4proc.c | 5 +- fs/nfs/pnfs.c | 2 +- fs/nfs/pnfs_nfs.c | 4 +- fs/nfsd/nfs2acl.c | 17 +- fs/nfsd/nfs3acl.c | 17 +- fs/nfsd/nfs4proc.c | 2 +- fs/nfsd/nfs4recover.c | 3 +- fs/nfsd/nfs4state.c | 1 + fs/nfsd/nfs4xdr.c | 3 +- fs/nfsd/vfs.c | 6 +- fs/ntfs3/xattr.c | 12 + fs/ocfs2/suballoc.c | 22 ++ fs/overlayfs/dir.c | 2 +- fs/overlayfs/file.c | 2 +- fs/smb/server/smbacl.c | 4 +- fs/userfaultfd.c | 2 + include/keys/request_key_auth-type.h | 2 + include/linux/backing-file.h | 4 +- include/linux/blkdev.h | 16 +- include/linux/err.h | 12 +- include/linux/f2fs_fs.h | 1 + include/linux/fs.h | 13 ++ include/linux/kvm_host.h | 7 +- include/linux/lockd/lockd.h | 2 +- include/linux/lsm_audit.h | 2 +- include/linux/lsm_hook_defs.h | 5 + include/linux/lsm_hooks.h | 1 + include/linux/security.h | 22 ++ include/linux/skmsg.h | 15 +- include/net/rtnetlink.h | 2 + kernel/bpf/cgroup.c | 2 +- kernel/sched/core.c | 12 +- net/9p/client.c | 3 +- net/batman-adv/bat_iv_ogm.c | 11 +- net/batman-adv/bat_v.c | 1 + net/batman-adv/bat_v_ogm.c | 23 +- net/batman-adv/bridge_loop_avoidance.c | 28 +-- net/batman-adv/distributed-arp-table.c | 12 +- net/batman-adv/fragmentation.c | 22 +- net/batman-adv/fragmentation.h | 3 +- net/batman-adv/hard-interface.c | 28 +-- net/batman-adv/netlink.c | 10 +- net/batman-adv/routing.c | 73 +++++- net/batman-adv/tp_meter.c | 115 +++++---- net/batman-adv/translation-table.c | 12 +- net/batman-adv/tvlv.c | 69 +++++- net/batman-adv/types.h | 21 +- net/core/filter.c | 27 +++ net/core/rtnetlink.c | 8 + net/core/skmsg.c | 2 + net/ipv4/ip_gre.c | 6 + net/ipv4/ip_output.c | 7 +- net/ipv4/tcp_ao.c | 4 + net/ipv6/ip6_output.c | 9 +- net/mac802154/llsec.c | 14 ++ net/tipc/crypto.c | 9 + net/tls/tls_sw.c | 4 + net/unix/garbage.c | 2 + security/apparmor/include/policy_unpack.h | 19 ++ security/apparmor/lsm.c | 16 +- security/apparmor/net.c | 2 + security/apparmor/policy.c | 8 +- security/keys/internal.h | 2 + security/keys/keyctl.c | 24 +- security/keys/keyctl_pkey.c | 9 +- security/keys/request_key_auth.c | 33 ++- security/security.c | 109 +++++++++ security/selinux/hooks.c | 256 +++++++++++++++------ security/selinux/include/objsec.h | 11 + virt/kvm/eventfd.c | 12 +- 127 files changed, 1368 insertions(+), 412 deletions(-)
# Librecast Test Results
020/020 [ OK ] liblcrq
010/010 [ OK ] libmld
120/120 [ OK ] liblibrecast
CPU/kernel: Linux auntie 6.18.38-rc2-g455fe3223158 #1 SMP PREEMPT_DYNAMIC Fri Jul 3 09:13:14 -00 2026 x86_64 AMD Ryzen 9 9950X 16-Core Processor AuthenticAMD GNU/Linux
Quoted 4 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 6.18.38 release. There are 109 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.
Quoted 9 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 6.18.38 release. There are 109 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, 05 Jul 2026 07:28:03 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
Quoted 8 lines
https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.18.38-rc2.gzor in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gitlinux-6.18.y
and the diffstat can be found below.thanks,
greg k-h
Built and booted successfully on RISC-V RV64 (HiFive Unmatched).
Hi,
Build tested in our x86,arm64,riscv,loongarch config successfully without error.
BRs
Wentao Guan
Log:
Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (aarch64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) # SMP PREEMPT_DYNAMIC Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (aarch64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) #2 SMP PREEMPT_DYNAMIC Sat Jul 4 04:10:09 CST 2026 Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (loongarch64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) # SMP PREEMPT_DYNAMIC Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (loongarch64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) #3 SMP PREEMPT_DYNAMIC Sat Jul 4 04:28:45 CST 2026 Linux version 6.18.38-rc2+ (guanwentao@uos-PC) (riscv64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) # SMP PREEMPT
Linux version 6.18.38-rc2+ (guanwentao@uos-PC) (riscv64-linux-gnu-gcc-12 (Deepin 12.3.0-17deepin8) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) #4 SMP PREEMPT Sat Jul 4 04:45:54 CST 2026 Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (gcc (Deepin 12.3.0-17deepin15) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) # SMP PREEMPT_DYNAMIC
Linux version 6.18.38-rc2-g455fe3223158 (guanwentao@uos-PC) (gcc (Deepin 12.3.0-17deepin15) 12.3.0, GNU ld (GNU Binutils for Deepin) 2.41) #1 SMP PREEMPT_DYNAMIC Sat Jul 4 03:49:21 CST 2026
Quoted 8 lines · On Fri, 03 Jul 2026 09:36:06 +0200 Greg Kroah-Hartman…
This is the start of the stable review cycle for the 6.18.38 release. There are 109 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, 05 Jul 2026 07:28:03 +0000. Anything received after that time might be too late.
Boot-tested under QEMU for Rust x86_64, arm64 and riscv64; built-tested for loongarch64 and arm32:
Thanks!
Cheers,
Miguel
Quoted 9 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 6.18.38 release. There are 109 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, 05 Jul 2026 07:28:03 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
Quoted 8 lines
https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.18.38-rc2.gzor in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gitlinux-6.18.y
and the diffstat can be found below.thanks,
greg k-h
On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels. Please backport 7ee7f48413c42b90230de4a8e40898b757bc8e82 ("perf trace beauty fcntl: Fix build with older kernel headers") for MIPS builds of "perf" to work. Thanks!
Signature · 1 line
Florian