Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
v5.4.156 upstream stable release
from git://git.kernel.org/
parisc: math-emu: Fix fall-through warnings
net: switchdev: do not propagate bridge updates across bridges
tee: optee: Fix missing devices unregister during optee_remove
ARM: dts: at91: sama5d2_som1_ek: disable ISC node by default
xtensa: xtfpga: use CONFIG_USE_OF instead of CONFIG_OF
xtensa: xtfpga: Try software restart before simulating CPU reset
NFSD: Keep existing listeners on portlist error
dma-debug: fix sg checks in debug_dma_map_sg()
ASoC: wm8960: Fix clock configuration on slave mode
netfilter: ipvs: make global sysctl readonly in non-init netns
lan78xx: select CRC32
net: dsa: lantiq_gswip: fix register definition
NIOS2: irqflags: rename a redefined register name
net: hns3: reset DWRR of unused tc to zero
net: hns3: add limit ets dwrr bandwidth cannot be 0
net: hns3: disable sriov before unload hclge layer
net: stmmac: Fix E2E delay mechanism
net: enetc: fix ethtool counter name for PM0_TERR
can: rcar_can: fix suspend/resume
can: peak_usb: pcan_usb_fd_decode_status(): fix back to ERROR_ACTIVE state
notification
can: peak_pci: peak_pci_remove(): fix UAF
can: j1939: j1939_tp_rxtimer(): fix errant alert in j1939_tp_rxtimer
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
can: j1939: j1939_xtp_rx_dat_one(): cancel session if receive TP.DT with error
length
can: j1939: j1939_xtp_rx_rts_session_new(): abort TP less than 9 bytes
ceph: fix handling of "meta" errors
ocfs2: fix data corruption after conversion from inline format
ocfs2: mount fails with buffer overflow in strlen
elfcore: correct reference to CONFIG_UML
vfs: check fd has read access in kernel_read_file_from_fd()
ALSA: usb-audio: Provide quirk for Sennheiser GSP670 Headset
ALSA: hda/realtek: Add quirk for Clevo PC50HS
ASoC: DAPM: Fix missing kctl change notifications
audit: fix possible null-pointer dereference in audit_filter_rules
powerpc64/idle: Fix SP offsets when saving GPRs
KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()
KVM: PPC: Book3S HV: Make idle_kvm_start_guest() return 0 if it went to guest
powerpc/idle: Don't corrupt back chain when going idle
mm, slub: fix mismatch between reconstructed freelist depth and cnt
mm, slub: fix potential memoryleak in kmem_cache_open()
nfc: nci: fix the UAF of rf_conn_info object
isdn: cpai: check ctr->cnr to avoid array index out of bound
netfilter: Kconfig: use 'default y' instead of 'm' for bool config option
selftests: netfilter: remove stray bash debug line
gcc-plugins/structleak: add makefile var for disabling structleak
btrfs: deal with errors when checking if a dir entry exists during log replay
net: stmmac: add support for dwmac 3.40a
ARM: dts: spear3xx: Fix gmac node
isdn: mISDN: Fix sleeping function called from invalid context
platform/x86: intel_scu_ipc: Update timeout value in comment
ALSA: hda: avoid write to STATESTS if controller is in reset
Input: snvs_pwrkey - add clk handling
scsi: core: Fix shost->cmd_per_lun calculation in scsi_add_host_with_dma()
tracing: Have all levels of checks prevent recursion
ARM: 9122/1: select HAVE_FUTEX_CMPXCHG
pinctrl: stm32: use valid pin identifier in stm32_pinctrl_resume()
Linux 5.4.156
UBUNTU: upstream stable to v5.4.156
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Medium
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: kernel-stable-tracking-bug
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1951295
Title:
Focal update: v5.4.156 upstream stable release
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