This is the start of the stable review cycle for the 5.15.211 release. There are 95 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, 04 Jul 2026 15:50:58 +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-5.15.211-rc... 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@linuxfoundation.org Linux 5.15.211-rc1
Thadeu Lima de Souza Cascardo cascardo@igalia.com dlm: prevent NPD when writing a positive value to event_done
Giovanni Cabiddu giovanni.cabiddu@intel.com crypto: qat - remove unused character device and IOCTLs
Herbert Xu herbert@gondor.apana.org.au crypto: qat - Return pointer directly in adf_ctl_alloc_resources
Thorsten Blum thorsten.blum@linux.dev crypto: qat - Replace kzalloc() + copy_from_user() with memdup_user()
Bagas Sanjaya bagasdotme@gmail.com Documentation: ioctl-number: Extend "Include File" column width
Gil Portnoy dddhkts1@gmail.com ksmbd: reject non-VALID session in compound request branch
Joanne Koong joannelkoong@gmail.com fuse: re-lock request before replacing page cache folio
Santosh Kalluri santosh.kalluri129@gmail.com net: phonet: free phonet_device after RCU grace period
Kuniyuki Iwashima kuniyu@amazon.com phonet: Pass net and ifindex to phonet_address_notify().
Kuniyuki Iwashima kuniyu@amazon.com phonet: Pass ifindex to fill_addr().
Dexuan Cui decui@microsoft.com Drivers: hv: vmbus: Improve the logic of reserving fb_mmio on Gen2 VMs
Mukesh Ojha mukesh.ojha@oss.qualcomm.com misc: fastrpc: Fix NULL pointer dereference in rpmsg callback
Abel Vesa abel.vesa@linaro.org misc: fastrpc: Add dma_mask to fastrpc_channel_ctx
Thorsten Blum thorsten.blum@linux.dev hv: utils: handle and propagate errors in kvp_register
Paolo Abeni pabeni@redhat.com mptcp: fix missing wakeups in edge scenarios
Michael Bommarito michael.bommarito@gmail.com NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
Dominik Woźniak stalion@gmail.com nfsd: check get_user() return when reading princhashlen
Jeff Layton jlayton@kernel.org nfsd: fix posix_acl leak on SETACL decode failure
Guannan Wang wgnbuaa@gmail.com NFSD: Fix SECINFO_NO_NAME decode error cleanup
Steffen Persvold spersvold@gmail.com fbdev: modedb: Fix misaligned fields in the 1920x1080-60 mode
Ian Bridges icb@fastmail.org fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
Wentao Liang vulab@iscas.ac.cn power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init()
Ashutosh Desai ashutoshdesai993@gmail.com KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path
Zhang Cen rollkingzzc@gmail.com ocfs2: reject oversized group bitmap descriptors
Wentao Liang vulab@iscas.ac.cn fpga: region: fix use-after-free in child_regions_with_firmware()
Qingshuang Fu fuqingshuang@kylinos.cn irqchip/imgpdc: Fix resource leak, add missing chained handler cleanup on remove
Wentao Liang vulab@iscas.ac.cn pNFS: Fix use-after-free in pnfs_update_layout()
Doruk Tan Ozturk doruk@0sec.ai tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done
Fan Wu fanwu01@zju.edu.cn hdlc_ppp: sync per-proto timers before freeing hdlc state
Michael Bommarito michael.bommarito@gmail.com exfat: fix potential use-after-free in exfat_find_dir_entry()
Maciej W. Rozycki macro@orcam.me.uk MIPS: DEC: Prevent initial console buffer from landing in XKPHYS
Dawei Feng dawei.feng@seu.edu.cn bpf: use kvfree() for replaced sysctl write buffer
Zhang Cen rollkingzzc@gmail.com f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
Bitterblue Smith rtl8821cerfe2@gmail.com wifi: rtlwifi: rtl8821ae: Fix C2H bit location in RX descriptor
Jose Ignacio Tornos Martinez jtornosm@redhat.com wifi: ath11k: fix warning when unbinding
Zenm Chen zenmchen@gmail.com wifi: mt76: mt76x2u: Add support for ELECOM WDC-867SU3S
Shaomin Chen eeesssooo020@gmail.com keys: Pin request_key_auth payload in instantiate paths
Jarkko Sakkinen jarkko@kernel.org KEYS: fix overflow in keyctl_pkey_params_get_2()
Doruk Tan Ozturk doruk@0sec.ai mac802154: llsec: add skb_cow_data() before in-place crypto
Herbert Xu herbert@gondor.apana.org.au crypto: af_alg - Set merge to zero early in af_alg_sendmsg
Yuto Ohnuki ytohnuki@amazon.com ext4: add bounds check for inline data length in ext4_read_inline_page
Konstantin Komarov almaz.alexandrovich@paragon-software.com ntfs3: reject direct userspace writes to reserved $LX* xattrs
Bjoern Doebel doebel@amazon.de ring-buffer: Remove ring_buffer_read_prepare_sync()
Sven Eckelmann sven@narfation.org batman-adv: tvlv: avoid race of cifsnotfound handler state
Sven Eckelmann sven@narfation.org batman-adv: tvlv: enforce 2-byte alignment
Sven Eckelmann sven@narfation.org batman-adv: dat: prevent false sharing between VLANs
Sven Eckelmann sven@narfation.org batman-adv: tt: track roam count per VID
Sven Eckelmann sven@narfation.org batman-adv: tt: don't merge change entries with different VIDs
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: handle overlapping packets
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: prevent parallel modifications of last_recv
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: annotate last_recv_time access with READ/WRITE_ONCE
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: restrict number of unacked list entries
Sven Eckelmann sven@narfation.org batman-adv: v: prevent OGM aggregation on disabled hardif
Sven Eckelmann sven@narfation.org batman-adv: frag: avoid underflow of TTL
Sven Eckelmann sven@narfation.org batman-adv: frag: ensure fragment is writable before modifying TTL
Sven Eckelmann sven@narfation.org batman-adv: fix (m|b)cast csum after decrementing TTL
Sven Eckelmann sven@narfation.org batman-adv: ensure bcast is writable before modifying TTL
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: initialize last_recv_time during init
Sven Eckelmann sven@narfation.org batman-adv: prevent ELP transmission interval underflow
Sven Eckelmann sven@narfation.org batman-adv: bla: annotate lasttime access with READ/WRITE_ONCE
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: add only finished tp_vars to lists
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: handle seqno wrap-around for fast recovery detection
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: fix fast recovery precondition
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: avoid divide-by-zero for dec_cwnd
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: avoid window underflow
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: initialize dec_cwnd explicitly
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: initialize dup_acks explicitly
Sven Eckelmann sven@narfation.org batman-adv: tp_meter: keep unacked list in ascending ordered
Yijia Wang wangyijia.yeah@bytedance.com kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
Sean Christopherson seanjc@google.com KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level
Petr Machata petrm@nvidia.com Revert "ptp: add testptp mask test"
Petr Machata petrm@nvidia.com Revert "selftest/ptp: update ptp selftest to exercise the gettimex options"
Miklos Szeredi mszeredi@redhat.com virtiofs: fix UAF on submount umount
Ruslan Valiyev linuxoid@gmail.com media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si
Yi Yang yiyang13@huawei.com vc_screen: fix null-ptr-deref in vcs_notifier() during concurrent vcs_write
André Draszik andre.draszik@linaro.org regulator: core: fix locking in regulator_resolve_supply() error path
Jiexun Wang wangjiexun2025@gmail.com af_unix: Reject SIOCATMARK on non-stream sockets
Mathias Nyman mathias.nyman@linux.intel.com xhci: fix memory leak regression when freeing xhci vdev devices depth first
Mingyu Wang 25181214217@stu.xidian.edu.cn agp/amd64: Fix broken error propagation in agp_amd64_probe()
Weiming Shi bestswngs@gmail.com net: qualcomm: rmnet: fix endpoint use-after-free in rmnet_dellink()
Weiming Shi bestswngs@gmail.com i2c: stub: Reject I2C block transfers with invalid length
Lord Ulf Henrik Holmberg henrik.holmberg@defensify.se RDMA/bnxt_re: zero shared page before exposing to userspace
Jiacheng Shi billsjc@sjtu.edu.cn vfio/iommu_type1: replace kfree with kvfree
Antoniu Miclaus antoniu.miclaus@analog.com iio: light: bh1780: fix PM runtime leak on error path
Sven Eckelmann sven@narfation.org batman-adv: tt: prevent TVLV entry number overflow
Sven Eckelmann sven@narfation.org batman-adv: tt: reject oversized local TVLV buffers
Maíra Canal mcanal@igalia.com drm/v3d: Skip CSD when it has zeroed workgroups
Maíra Canal mcanal@igalia.com drm/v3d: Store the active job inside the queue's state
Eric Dumazet edumazet@google.com ip6_vti: set netns_immutable on the fallback device.
Harry Wentland harry.wentland@amd.com drm/amd/display: Bound VBIOS record-chain walk loops
Pedro Tammela pctammela@mojatatu.com net/sched: act_pedit: free pedit keys on bail from offset check
Rajat Gupta rajat.gupta@oss.qualcomm.com net/sched: fix pedit partial COW leading to page cache corruption
Pedro Tammela pctammela@mojatatu.com net/sched: act_pedit: rate limit datapath messages
Pedro Tammela pctammela@mojatatu.com net/sched: act_pedit: check static offsets a priori
Jann Horn jannh@google.com fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios
-------------
Diffstat:
Documentation/userspace-api/ioctl/ioctl-number.rst | 447 ++++++++++----------- Makefile | 4 +- arch/mips/dec/prom/console.c | 7 +- arch/x86/kvm/mmu/mmu.c | 19 +- arch/x86/kvm/svm/sev.c | 1 + crypto/af_alg.c | 2 + drivers/char/agp/amd64-agp.c | 2 +- drivers/crypto/qat/qat_common/adf_cfg_common.h | 32 -- drivers/crypto/qat/qat_common/adf_cfg_user.h | 38 -- drivers/crypto/qat/qat_common/adf_common_drv.h | 3 - drivers/crypto/qat/qat_common/adf_ctl_drv.c | 421 +------------------ drivers/crypto/qat/qat_common/adf_dev_mgr.c | 70 ---- drivers/fpga/of-fpga-region.c | 3 +- drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 15 +- drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 15 +- .../drm/amd/display/dc/bios/bios_parser_helper.h | 5 + drivers/gpu/drm/v3d/v3d_drv.h | 8 +- drivers/gpu/drm/v3d/v3d_gem.c | 5 +- drivers/gpu/drm/v3d/v3d_irq.c | 24 +- drivers/gpu/drm/v3d/v3d_sched.c | 36 +- drivers/hv/hv_kvp.c | 25 +- drivers/hv/vmbus_drv.c | 56 ++- drivers/i2c/i2c-stub.c | 5 + drivers/iio/light/bh1780.c | 4 +- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 2 +- drivers/irqchip/irq-imgpdc.c | 6 + drivers/media/test-drivers/vidtv/vidtv_mux.c | 8 +- drivers/misc/fastrpc.c | 7 +- drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 8 +- drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h | 1 + drivers/net/wan/hdlc_ppp.c | 15 +- drivers/net/wireless/ath/ath11k/dp.c | 1 + drivers/net/wireless/mediatek/mt76/mt76x2/usb.c | 1 + .../net/wireless/realtek/rtlwifi/rtl8821ae/trx.h | 2 +- drivers/power/reset/linkstation-poweroff.c | 2 +- drivers/regulator/core.c | 10 +- drivers/tty/vt/vc_screen.c | 2 +- drivers/usb/host/xhci-mem.c | 2 +- drivers/vfio/vfio_iommu_type1.c | 2 +- drivers/video/fbdev/core/fbmem.c | 12 + drivers/video/fbdev/core/modedb.c | 2 +- fs/dlm/lockspace.c | 2 +- fs/exfat/dir.c | 4 +- fs/ext4/inline.c | 8 + fs/f2fs/acl.c | 18 +- fs/fuse/dev.c | 23 +- fs/fuse/file.c | 8 +- fs/ksmbd/smb2pdu.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/nfs4recover.c | 3 +- fs/nfsd/nfs4xdr.c | 3 +- fs/ntfs3/xattr.c | 12 + fs/ocfs2/suballoc.c | 22 + include/keys/request_key_auth-type.h | 2 + include/linux/kvm_host.h | 7 +- include/linux/ring_buffer.h | 4 +- include/net/phonet/pn_dev.h | 2 +- include/net/tc_act/tc_pedit.h | 1 - kernel/bpf/cgroup.c | 2 +- kernel/trace/ring_buffer.c | 74 +--- kernel/trace/trace.c | 14 +- kernel/trace/trace_kdb.c | 8 +- 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/netlink.c | 10 +- net/batman-adv/routing.c | 64 ++- net/batman-adv/tp_meter.c | 115 ++++-- net/batman-adv/translation-table.c | 40 +- net/batman-adv/tvlv.c | 69 +++- net/batman-adv/types.h | 21 +- net/ipv6/ip6_vti.c | 1 + net/mac802154/llsec.c | 14 + net/mptcp/protocol.c | 4 +- net/phonet/pn_dev.c | 12 +- net/phonet/pn_netlink.c | 23 +- net/sched/act_pedit.c | 101 +++-- net/tipc/crypto.c | 9 + net/unix/af_unix.c | 3 + security/keys/internal.h | 2 + security/keys/keyctl.c | 24 +- security/keys/keyctl_pkey.c | 9 +- security/keys/request_key_auth.c | 33 +- .../testcases/fake_sigreturn_sve_change_vl.c | 2 + tools/testing/selftests/ptp/testptp.c | 79 +--- 92 files changed, 1104 insertions(+), 1223 deletions(-)