** Description changed: - - 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 v4.15.4 upstream stable - patch set is now available. It should be included in the Ubuntu - kernel as well. - - git://git.kernel.org/ - - TEST CASE: TBD - - The following patches from the v4.15.4 stable release shall be + 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 v4.15.4 upstream stable + patch set is now available. It should be included in the Ubuntu + kernel as well. + + git://git.kernel.org/ + + TEST CASE: TBD + + The following patches from the v4.15.4 stable release shall be applied: + + watchdog: indydog: Add dependency on SGI_HAS_INDYDOG + cifs: Fix missing put_xid in cifs_file_strict_mmap + cifs: Fix autonegotiate security settings mismatch + CIFS: zero sensitive data when freeing + cpufreq: mediatek: add mediatek related projects into blacklist + dmaengine: dmatest: fix container_of member in dmatest_callback + ssb: Do not disable PCI host on non-Mips + watchdog: gpio_wdt: set WDOG_HW_RUNNING in gpio_wdt_stop + Revert "drm/i915: mark all device info struct with __initconst" + sched/rt: Use container_of() to get root domain in rto_push_irq_work_func() + sched/rt: Up the root domain ref count when passing it around via IPIs + media: dvb-usb-v2: lmedm04: Improve logic checking of warm start + media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner + media: hdpvr: Fix an error handling path in hdpvr_probe() + arm64: mm: Use non-global mappings for kernel space + arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN + arm64: mm: Move ASID from TTBR0 to TTBR1 + arm64: mm: Remove pre_ttbr0_update_workaround for Falkor erratum #E1003 + arm64: mm: Rename post_ttbr0_update_workaround + arm64: mm: Fix and re-enable ARM64_SW_TTBR0_PAN + arm64: mm: Allocate ASIDs in pairs + arm64: mm: Add arm64_kernel_unmapped_at_el0 helper + arm64: mm: Invalidate both kernel and user ASIDs when performing TLBI + arm64: entry: Add exception trampoline page for exceptions from EL0 + arm64: mm: Map entry trampoline into trampoline and kernel page tables + arm64: entry: Explicitly pass exception level to kernel_ventry macro + arm64: entry: Hook up entry trampoline to exception vectors + arm64: erratum: Work around Falkor erratum #E1003 in trampoline code + arm64: cpu_errata: Add Kryo to Falkor 1003 errata + arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks + arm64: entry: Add fake CPU feature for unmapping the kernel at EL0 + arm64: kaslr: Put kernel vectors address in separate data page + arm64: use RET instruction for exiting the trampoline + arm64: Kconfig: Add CONFIG_UNMAP_KERNEL_AT_EL0 + arm64: Kconfig: Reword UNMAP_KERNEL_AT_EL0 kconfig entry + arm64: Take into account ID_AA64PFR0_EL1.CSV3 + arm64: capabilities: Handle duplicate entries for a capability + arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR + arm64: kpti: Fix the interaction between ASID switching and software PAN + arm64: cputype: Add MIDR values for Cavium ThunderX2 CPUs + arm64: Turn on KPTI only on CPUs that need it + arm64: kpti: Make use of nG dependent on arm64_kernel_unmapped_at_el0() + arm64: mm: Permit transitioning from Global to Non-Global without BBM + arm64: kpti: Add ->enable callback to remap swapper using nG mappings + arm64: Force KPTI to be disabled on Cavium ThunderX + arm64: entry: Reword comment about post_ttbr_update_workaround + arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives + perf: arm_spe: Fail device probe when arm64_kernel_unmapped_at_el0() + arm64: barrier: Add CSDB macros to control data-value prediction + arm64: Implement array_index_mask_nospec() + arm64: Make USER_DS an inclusive limit + arm64: Use pointer masking to limit uaccess speculation + arm64: entry: Ensure branch through syscall table is bounded under speculation + arm64: uaccess: Prevent speculative use of the current addr_limit + arm64: uaccess: Don't bother eliding access_ok checks in __{get, put}_user + arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user + arm64: futex: Mask __user pointers prior to dereference + arm64: cpufeature: __this_cpu_has_cap() shouldn't stop early + arm64: Run enable method for errata work arounds on late CPUs + arm64: cpufeature: Pass capability structure to ->enable callback + drivers/firmware: Expose psci_get_version through psci_ops structure + arm64: Move post_ttbr_update_workaround to C code + arm64: Add skeleton to harden the branch predictor against aliasing attacks + arm64: Move BP hardening to check_and_switch_context + arm64: KVM: Use per-CPU vector when BP hardening is enabled + arm64: entry: Apply BP hardening for high-priority synchronous exceptions + arm64: entry: Apply BP hardening for suspicious interrupts from EL0 + arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75 + arm64: Implement branch predictor hardening for affected Cortex-A CPUs + arm64: Implement branch predictor hardening for Falkor + arm64: Branch predictor hardening for Cavium ThunderX2 + arm64: KVM: Increment PC after handling an SMC trap + arm/arm64: KVM: Consolidate the PSCI include files + arm/arm64: KVM: Add PSCI_VERSION helper + arm/arm64: KVM: Add smccc accessors to PSCI code + arm/arm64: KVM: Implement PSCI 1.0 support + arm/arm64: KVM: Advertise SMCCC v1.1 + arm64: KVM: Make PSCI_VERSION a fast path + arm/arm64: KVM: Turn kvm_psci_version into a static inline + arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support + arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling + firmware/psci: Expose PSCI conduit + firmware/psci: Expose SMCCC version through psci_ops + arm/arm64: smccc: Make function identifiers an unsigned quantity + arm/arm64: smccc: Implement SMCCC v1.1 inline primitive + arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support + arm64: Kill PSCI_GET_VERSION as a variant-2 workaround + mtd: cfi: convert inline functions to macros + mtd: nand: brcmnand: Disable prefetch by default + mtd: nand: Fix nand_do_read_oob() return value + mtd: nand: sunxi: Fix ECC strength choice + ubi: Fix race condition between ubi volume creation and udev + ubi: fastmap: Erase outdated anchor PEBs during attach + ubi: block: Fix locking for idr_alloc/idr_remove + ubifs: free the encrypted symlink target + nfs/pnfs: fix nfs_direct_req ref leak when i/o falls back to the mds + nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE + NFS: Add a cond_resched() to nfs_commit_release_pages() + NFS: Fix nfsstat breakage due to LOOKUPP + NFS: commit direct writes even if they fail partially + NFS: reject request for id_legacy key without auxdata + NFS: Fix a race between mmap() and O_DIRECT + nfsd: Detect unhashed stids in nfsd4_verify_open_stid() + kernfs: fix regression in kernfs_fop_write caused by wrong type + ahci: Annotate PCI ids for mobile Intel chipsets as such + ahci: Add PCI ids for Intel Bay Trail, Cherry Trail and Apollo Lake AHCI + ahci: Add Intel Cannon Lake PCH-H PCI ID + crypto: hash - introduce crypto_hash_alg_has_setkey() + crypto: cryptd - pass through absence of ->setkey() + crypto: mcryptd - pass through absence of ->setkey() + crypto: poly1305 - remove ->setkey() method + crypto: hash - annotate algorithms taking optional key + crypto: hash - prevent using keyed hashes without setting key + media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt + media: v4l2-ioctl.c: don't copy back the result for -ENOTTY + media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF + media: v4l2-compat-ioctl32.c: fix the indentation + media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32 + media: v4l2-compat-ioctl32.c: avoid sizeof(type) + media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32 + media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer + media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32 + media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type + media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors + media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic + media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs + crypto: caam - fix endless loop when DECO acquire fails + crypto: sha512-mb - initialize pending lengths correctly + crypto: talitos - fix Kernel Oops on hashing an empty file + arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls + KVM: nVMX: Fix races when sending nested PI while dest enters/leaves L2 + KVM: nVMX: Fix bug of injecting L2 exception into L1 + KVM: PPC: Book3S HV: Make sure we don't re-enter guest without XIVE loaded + KVM: PPC: Book3S HV: Drop locks before reading guest memory + KVM: arm/arm64: Handle CPU_PM_ENTER_FAILED + KVM: PPC: Book3S PR: Fix broken select due to misspelling + ASoC: acpi: fix machine driver selection based on quirk + ASoC: rockchip: i2s: fix playback after runtime resume + ASoC: skl: Fix kernel warning due to zero NHTL entry + ASoC: compress: Correct handling of copy callback + watchdog: imx2_wdt: restore previous timeout after suspend+resume + afs: Add missing afs_put_cell() + afs: Need to clear responded flag in addr cursor + afs: Fix missing cursor clearance + afs: Fix server list handling + btrfs: Handle btrfs_set_extent_delalloc failure in fixup worker + Btrfs: raid56: iterate raid56 internal bio with bio_for_each_segment_all + kasan: don't emit builtin calls when sanitization is off + kasan: rework Kconfig settings + media: dvb_frontend: be sure to init dvb_frontend_handle_ioctl() return code + media: dvb-frontends: fix i2c access helpers for KASAN + media: dt-bindings/media/cec-gpio.txt: mention the CEC/HPD max voltages + media: ts2020: avoid integer overflows on 32 bit machines + media: vivid: fix module load error when enabling fb and no_error_inj=1 + media: cxusb, dib0700: ignore XC2028_I2C_FLUSH + fs/proc/kcore.c: use probe_kernel_read() instead of memcpy() + kernel/async.c: revert "async: simplify lowest_in_progress()" + kernel/relay.c: revert "kernel/relay.c: fix potential memory leak" + pipe: actually allow root to exceed the pipe buffer limits + pipe: fix off-by-one error when checking buffer limits + HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working + Bluetooth: btsdio: Do not bind to non-removable BCM43341 + Revert "Bluetooth: btusb: fix QCA Rome suspend/resume" + Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version + ipmi: use dynamic memory for DMI driver override + signal/openrisc: Fix do_unaligned_access to send the proper signal + signal/sh: Ensure si_signo is initialized in do_divide_error + alpha: fix crash if pthread_create races with signal delivery + alpha: osf_sys.c: fix put_tv32 regression + alpha: Fix mixed up args in EXC macro in futex operations + alpha: fix reboot on Avanti platform + alpha: fix formating of stack content + xtensa: fix futex_atomic_cmpxchg_inatomic + EDAC, octeon: Fix an uninitialized variable warning + genirq: Make legacy autoprobing work again + pinctrl: intel: Initialize GPIO properly when used through irqchip + pinctrl: mcp23s08: fix irq setup order + pinctrl: sx150x: Unregister the pinctrl on release + pinctrl: sx150x: Register pinctrl before adding the gpiochip + pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping + pktcdvd: Fix pkt_setup_dev() error path + pktcdvd: Fix a recently introduced NULL pointer dereference + blk-mq: quiesce queue before freeing queue + clocksource/drivers/stm32: Fix kernel panic with multiple timers + lib/ubsan.c: s/missaligned/misaligned/ + lib/ubsan: add type mismatch handler for new GCC/Clang + objtool: Fix switch-table detection + arm64: dts: marvell: add Ethernet aliases + drm/i915: Avoid PPS HW/SW state mismatch due to rounding + ACPI: sbshc: remove raw pointer from printk() message + acpi, nfit: fix register dimm error handling + ovl: force r/o mount when index dir creation fails + ovl: fix failure to fsync lower dir + ovl: take mnt_want_write() for work/index dir setup + ovl: take mnt_want_write() for removing impure xattr + ovl: hash directory inodes for fsnotify + mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy + devpts: fix error handling in devpts_mntget() + ftrace: Remove incorrect setting of glob search field + scsi: core: Ensure that the SCSI error handler gets woken up + scsi: lpfc: Fix crash after bad bar setup on driver attachment + scsi: cxlflash: Reset command ioasc + rcu: Export init_rcu_head() and destroy_rcu_head() to GPL modules + Linux 4.15.4
** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Seth Forshee (sforshee) ** Description changed: 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 v4.15.4 upstream stable patch set is now available. It should be included in the Ubuntu kernel as well. git://git.kernel.org/ TEST CASE: TBD The following patches from the v4.15.4 stable release shall be applied: watchdog: indydog: Add dependency on SGI_HAS_INDYDOG cifs: Fix missing put_xid in cifs_file_strict_mmap cifs: Fix autonegotiate security settings mismatch CIFS: zero sensitive data when freeing cpufreq: mediatek: add mediatek related projects into blacklist dmaengine: dmatest: fix container_of member in dmatest_callback ssb: Do not disable PCI host on non-Mips watchdog: gpio_wdt: set WDOG_HW_RUNNING in gpio_wdt_stop Revert "drm/i915: mark all device info struct with __initconst" sched/rt: Use container_of() to get root domain in rto_push_irq_work_func() sched/rt: Up the root domain ref count when passing it around via IPIs media: dvb-usb-v2: lmedm04: Improve logic checking of warm start media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner media: hdpvr: Fix an error handling path in hdpvr_probe() arm64: mm: Use non-global mappings for kernel space arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN arm64: mm: Move ASID from TTBR0 to TTBR1 arm64: mm: Remove pre_ttbr0_update_workaround for Falkor erratum #E1003 arm64: mm: Rename post_ttbr0_update_workaround arm64: mm: Fix and re-enable ARM64_SW_TTBR0_PAN arm64: mm: Allocate ASIDs in pairs arm64: mm: Add arm64_kernel_unmapped_at_el0 helper arm64: mm: Invalidate both kernel and user ASIDs when performing TLBI arm64: entry: Add exception trampoline page for exceptions from EL0 arm64: mm: Map entry trampoline into trampoline and kernel page tables arm64: entry: Explicitly pass exception level to kernel_ventry macro arm64: entry: Hook up entry trampoline to exception vectors arm64: erratum: Work around Falkor erratum #E1003 in trampoline code arm64: cpu_errata: Add Kryo to Falkor 1003 errata arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks arm64: entry: Add fake CPU feature for unmapping the kernel at EL0 arm64: kaslr: Put kernel vectors address in separate data page arm64: use RET instruction for exiting the trampoline arm64: Kconfig: Add CONFIG_UNMAP_KERNEL_AT_EL0 arm64: Kconfig: Reword UNMAP_KERNEL_AT_EL0 kconfig entry arm64: Take into account ID_AA64PFR0_EL1.CSV3 arm64: capabilities: Handle duplicate entries for a capability arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR arm64: kpti: Fix the interaction between ASID switching and software PAN arm64: cputype: Add MIDR values for Cavium ThunderX2 CPUs arm64: Turn on KPTI only on CPUs that need it arm64: kpti: Make use of nG dependent on arm64_kernel_unmapped_at_el0() arm64: mm: Permit transitioning from Global to Non-Global without BBM arm64: kpti: Add ->enable callback to remap swapper using nG mappings arm64: Force KPTI to be disabled on Cavium ThunderX arm64: entry: Reword comment about post_ttbr_update_workaround arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives perf: arm_spe: Fail device probe when arm64_kernel_unmapped_at_el0() arm64: barrier: Add CSDB macros to control data-value prediction arm64: Implement array_index_mask_nospec() arm64: Make USER_DS an inclusive limit arm64: Use pointer masking to limit uaccess speculation arm64: entry: Ensure branch through syscall table is bounded under speculation arm64: uaccess: Prevent speculative use of the current addr_limit arm64: uaccess: Don't bother eliding access_ok checks in __{get, put}_user arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user arm64: futex: Mask __user pointers prior to dereference arm64: cpufeature: __this_cpu_has_cap() shouldn't stop early arm64: Run enable method for errata work arounds on late CPUs arm64: cpufeature: Pass capability structure to ->enable callback drivers/firmware: Expose psci_get_version through psci_ops structure arm64: Move post_ttbr_update_workaround to C code arm64: Add skeleton to harden the branch predictor against aliasing attacks arm64: Move BP hardening to check_and_switch_context arm64: KVM: Use per-CPU vector when BP hardening is enabled arm64: entry: Apply BP hardening for high-priority synchronous exceptions arm64: entry: Apply BP hardening for suspicious interrupts from EL0 arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75 arm64: Implement branch predictor hardening for affected Cortex-A CPUs arm64: Implement branch predictor hardening for Falkor arm64: Branch predictor hardening for Cavium ThunderX2 arm64: KVM: Increment PC after handling an SMC trap arm/arm64: KVM: Consolidate the PSCI include files arm/arm64: KVM: Add PSCI_VERSION helper arm/arm64: KVM: Add smccc accessors to PSCI code arm/arm64: KVM: Implement PSCI 1.0 support arm/arm64: KVM: Advertise SMCCC v1.1 arm64: KVM: Make PSCI_VERSION a fast path arm/arm64: KVM: Turn kvm_psci_version into a static inline arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling firmware/psci: Expose PSCI conduit firmware/psci: Expose SMCCC version through psci_ops arm/arm64: smccc: Make function identifiers an unsigned quantity arm/arm64: smccc: Implement SMCCC v1.1 inline primitive arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support arm64: Kill PSCI_GET_VERSION as a variant-2 workaround mtd: cfi: convert inline functions to macros mtd: nand: brcmnand: Disable prefetch by default mtd: nand: Fix nand_do_read_oob() return value mtd: nand: sunxi: Fix ECC strength choice ubi: Fix race condition between ubi volume creation and udev ubi: fastmap: Erase outdated anchor PEBs during attach ubi: block: Fix locking for idr_alloc/idr_remove ubifs: free the encrypted symlink target nfs/pnfs: fix nfs_direct_req ref leak when i/o falls back to the mds nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE NFS: Add a cond_resched() to nfs_commit_release_pages() NFS: Fix nfsstat breakage due to LOOKUPP NFS: commit direct writes even if they fail partially NFS: reject request for id_legacy key without auxdata NFS: Fix a race between mmap() and O_DIRECT nfsd: Detect unhashed stids in nfsd4_verify_open_stid() kernfs: fix regression in kernfs_fop_write caused by wrong type ahci: Annotate PCI ids for mobile Intel chipsets as such ahci: Add PCI ids for Intel Bay Trail, Cherry Trail and Apollo Lake AHCI ahci: Add Intel Cannon Lake PCH-H PCI ID crypto: hash - introduce crypto_hash_alg_has_setkey() crypto: cryptd - pass through absence of ->setkey() crypto: mcryptd - pass through absence of ->setkey() crypto: poly1305 - remove ->setkey() method crypto: hash - annotate algorithms taking optional key crypto: hash - prevent using keyed hashes without setting key media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt media: v4l2-ioctl.c: don't copy back the result for -ENOTTY media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF media: v4l2-compat-ioctl32.c: fix the indentation media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32 media: v4l2-compat-ioctl32.c: avoid sizeof(type) media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32 media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32 media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs crypto: caam - fix endless loop when DECO acquire fails crypto: sha512-mb - initialize pending lengths correctly crypto: talitos - fix Kernel Oops on hashing an empty file arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls KVM: nVMX: Fix races when sending nested PI while dest enters/leaves L2 KVM: nVMX: Fix bug of injecting L2 exception into L1 KVM: PPC: Book3S HV: Make sure we don't re-enter guest without XIVE loaded KVM: PPC: Book3S HV: Drop locks before reading guest memory KVM: arm/arm64: Handle CPU_PM_ENTER_FAILED KVM: PPC: Book3S PR: Fix broken select due to misspelling ASoC: acpi: fix machine driver selection based on quirk ASoC: rockchip: i2s: fix playback after runtime resume ASoC: skl: Fix kernel warning due to zero NHTL entry ASoC: compress: Correct handling of copy callback watchdog: imx2_wdt: restore previous timeout after suspend+resume afs: Add missing afs_put_cell() afs: Need to clear responded flag in addr cursor afs: Fix missing cursor clearance afs: Fix server list handling btrfs: Handle btrfs_set_extent_delalloc failure in fixup worker Btrfs: raid56: iterate raid56 internal bio with bio_for_each_segment_all kasan: don't emit builtin calls when sanitization is off kasan: rework Kconfig settings media: dvb_frontend: be sure to init dvb_frontend_handle_ioctl() return code media: dvb-frontends: fix i2c access helpers for KASAN media: dt-bindings/media/cec-gpio.txt: mention the CEC/HPD max voltages media: ts2020: avoid integer overflows on 32 bit machines media: vivid: fix module load error when enabling fb and no_error_inj=1 media: cxusb, dib0700: ignore XC2028_I2C_FLUSH fs/proc/kcore.c: use probe_kernel_read() instead of memcpy() kernel/async.c: revert "async: simplify lowest_in_progress()" kernel/relay.c: revert "kernel/relay.c: fix potential memory leak" pipe: actually allow root to exceed the pipe buffer limits pipe: fix off-by-one error when checking buffer limits HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working Bluetooth: btsdio: Do not bind to non-removable BCM43341 - Revert "Bluetooth: btusb: fix QCA Rome suspend/resume" - Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version ipmi: use dynamic memory for DMI driver override signal/openrisc: Fix do_unaligned_access to send the proper signal signal/sh: Ensure si_signo is initialized in do_divide_error alpha: fix crash if pthread_create races with signal delivery alpha: osf_sys.c: fix put_tv32 regression alpha: Fix mixed up args in EXC macro in futex operations alpha: fix reboot on Avanti platform alpha: fix formating of stack content xtensa: fix futex_atomic_cmpxchg_inatomic EDAC, octeon: Fix an uninitialized variable warning genirq: Make legacy autoprobing work again pinctrl: intel: Initialize GPIO properly when used through irqchip pinctrl: mcp23s08: fix irq setup order pinctrl: sx150x: Unregister the pinctrl on release pinctrl: sx150x: Register pinctrl before adding the gpiochip pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping pktcdvd: Fix pkt_setup_dev() error path pktcdvd: Fix a recently introduced NULL pointer dereference blk-mq: quiesce queue before freeing queue clocksource/drivers/stm32: Fix kernel panic with multiple timers lib/ubsan.c: s/missaligned/misaligned/ lib/ubsan: add type mismatch handler for new GCC/Clang objtool: Fix switch-table detection arm64: dts: marvell: add Ethernet aliases drm/i915: Avoid PPS HW/SW state mismatch due to rounding ACPI: sbshc: remove raw pointer from printk() message acpi, nfit: fix register dimm error handling ovl: force r/o mount when index dir creation fails ovl: fix failure to fsync lower dir ovl: take mnt_want_write() for work/index dir setup ovl: take mnt_want_write() for removing impure xattr ovl: hash directory inodes for fsnotify mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy devpts: fix error handling in devpts_mntget() ftrace: Remove incorrect setting of glob search field scsi: core: Ensure that the SCSI error handler gets woken up scsi: lpfc: Fix crash after bad bar setup on driver attachment scsi: cxlflash: Reset command ioasc rcu: Export init_rcu_head() and destroy_rcu_head() to GPL modules Linux 4.15.4 + + The following patches from the v4.15.4 stable release had already + been applied: + + Revert "Bluetooth: btusb: fix QCA Rome suspend/resume" + Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version ** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1751064 Title: Bionic update to v4.15.4 stable release Status in linux package in Ubuntu: Fix Committed Bug description: 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 v4.15.4 upstream stable patch set is now available. It should be included in the Ubuntu kernel as well. git://git.kernel.org/ TEST CASE: TBD The following patches from the v4.15.4 stable release shall be applied: watchdog: indydog: Add dependency on SGI_HAS_INDYDOG cifs: Fix missing put_xid in cifs_file_strict_mmap cifs: Fix autonegotiate security settings mismatch CIFS: zero sensitive data when freeing cpufreq: mediatek: add mediatek related projects into blacklist dmaengine: dmatest: fix container_of member in dmatest_callback ssb: Do not disable PCI host on non-Mips watchdog: gpio_wdt: set WDOG_HW_RUNNING in gpio_wdt_stop Revert "drm/i915: mark all device info struct with __initconst" sched/rt: Use container_of() to get root domain in rto_push_irq_work_func() sched/rt: Up the root domain ref count when passing it around via IPIs media: dvb-usb-v2: lmedm04: Improve logic checking of warm start media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner media: hdpvr: Fix an error handling path in hdpvr_probe() arm64: mm: Use non-global mappings for kernel space arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN arm64: mm: Move ASID from TTBR0 to TTBR1 arm64: mm: Remove pre_ttbr0_update_workaround for Falkor erratum #E1003 arm64: mm: Rename post_ttbr0_update_workaround arm64: mm: Fix and re-enable ARM64_SW_TTBR0_PAN arm64: mm: Allocate ASIDs in pairs arm64: mm: Add arm64_kernel_unmapped_at_el0 helper arm64: mm: Invalidate both kernel and user ASIDs when performing TLBI arm64: entry: Add exception trampoline page for exceptions from EL0 arm64: mm: Map entry trampoline into trampoline and kernel page tables arm64: entry: Explicitly pass exception level to kernel_ventry macro arm64: entry: Hook up entry trampoline to exception vectors arm64: erratum: Work around Falkor erratum #E1003 in trampoline code arm64: cpu_errata: Add Kryo to Falkor 1003 errata arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks arm64: entry: Add fake CPU feature for unmapping the kernel at EL0 arm64: kaslr: Put kernel vectors address in separate data page arm64: use RET instruction for exiting the trampoline arm64: Kconfig: Add CONFIG_UNMAP_KERNEL_AT_EL0 arm64: Kconfig: Reword UNMAP_KERNEL_AT_EL0 kconfig entry arm64: Take into account ID_AA64PFR0_EL1.CSV3 arm64: capabilities: Handle duplicate entries for a capability arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR arm64: kpti: Fix the interaction between ASID switching and software PAN arm64: cputype: Add MIDR values for Cavium ThunderX2 CPUs arm64: Turn on KPTI only on CPUs that need it arm64: kpti: Make use of nG dependent on arm64_kernel_unmapped_at_el0() arm64: mm: Permit transitioning from Global to Non-Global without BBM arm64: kpti: Add ->enable callback to remap swapper using nG mappings arm64: Force KPTI to be disabled on Cavium ThunderX arm64: entry: Reword comment about post_ttbr_update_workaround arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives perf: arm_spe: Fail device probe when arm64_kernel_unmapped_at_el0() arm64: barrier: Add CSDB macros to control data-value prediction arm64: Implement array_index_mask_nospec() arm64: Make USER_DS an inclusive limit arm64: Use pointer masking to limit uaccess speculation arm64: entry: Ensure branch through syscall table is bounded under speculation arm64: uaccess: Prevent speculative use of the current addr_limit arm64: uaccess: Don't bother eliding access_ok checks in __{get, put}_user arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user arm64: futex: Mask __user pointers prior to dereference arm64: cpufeature: __this_cpu_has_cap() shouldn't stop early arm64: Run enable method for errata work arounds on late CPUs arm64: cpufeature: Pass capability structure to ->enable callback drivers/firmware: Expose psci_get_version through psci_ops structure arm64: Move post_ttbr_update_workaround to C code arm64: Add skeleton to harden the branch predictor against aliasing attacks arm64: Move BP hardening to check_and_switch_context arm64: KVM: Use per-CPU vector when BP hardening is enabled arm64: entry: Apply BP hardening for high-priority synchronous exceptions arm64: entry: Apply BP hardening for suspicious interrupts from EL0 arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75 arm64: Implement branch predictor hardening for affected Cortex-A CPUs arm64: Implement branch predictor hardening for Falkor arm64: Branch predictor hardening for Cavium ThunderX2 arm64: KVM: Increment PC after handling an SMC trap arm/arm64: KVM: Consolidate the PSCI include files arm/arm64: KVM: Add PSCI_VERSION helper arm/arm64: KVM: Add smccc accessors to PSCI code arm/arm64: KVM: Implement PSCI 1.0 support arm/arm64: KVM: Advertise SMCCC v1.1 arm64: KVM: Make PSCI_VERSION a fast path arm/arm64: KVM: Turn kvm_psci_version into a static inline arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling firmware/psci: Expose PSCI conduit firmware/psci: Expose SMCCC version through psci_ops arm/arm64: smccc: Make function identifiers an unsigned quantity arm/arm64: smccc: Implement SMCCC v1.1 inline primitive arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support arm64: Kill PSCI_GET_VERSION as a variant-2 workaround mtd: cfi: convert inline functions to macros mtd: nand: brcmnand: Disable prefetch by default mtd: nand: Fix nand_do_read_oob() return value mtd: nand: sunxi: Fix ECC strength choice ubi: Fix race condition between ubi volume creation and udev ubi: fastmap: Erase outdated anchor PEBs during attach ubi: block: Fix locking for idr_alloc/idr_remove ubifs: free the encrypted symlink target nfs/pnfs: fix nfs_direct_req ref leak when i/o falls back to the mds nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE NFS: Add a cond_resched() to nfs_commit_release_pages() NFS: Fix nfsstat breakage due to LOOKUPP NFS: commit direct writes even if they fail partially NFS: reject request for id_legacy key without auxdata NFS: Fix a race between mmap() and O_DIRECT nfsd: Detect unhashed stids in nfsd4_verify_open_stid() kernfs: fix regression in kernfs_fop_write caused by wrong type ahci: Annotate PCI ids for mobile Intel chipsets as such ahci: Add PCI ids for Intel Bay Trail, Cherry Trail and Apollo Lake AHCI ahci: Add Intel Cannon Lake PCH-H PCI ID crypto: hash - introduce crypto_hash_alg_has_setkey() crypto: cryptd - pass through absence of ->setkey() crypto: mcryptd - pass through absence of ->setkey() crypto: poly1305 - remove ->setkey() method crypto: hash - annotate algorithms taking optional key crypto: hash - prevent using keyed hashes without setting key media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt media: v4l2-ioctl.c: don't copy back the result for -ENOTTY media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF media: v4l2-compat-ioctl32.c: fix the indentation media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32 media: v4l2-compat-ioctl32.c: avoid sizeof(type) media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32 media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32 media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs crypto: caam - fix endless loop when DECO acquire fails crypto: sha512-mb - initialize pending lengths correctly crypto: talitos - fix Kernel Oops on hashing an empty file arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls KVM: nVMX: Fix races when sending nested PI while dest enters/leaves L2 KVM: nVMX: Fix bug of injecting L2 exception into L1 KVM: PPC: Book3S HV: Make sure we don't re-enter guest without XIVE loaded KVM: PPC: Book3S HV: Drop locks before reading guest memory KVM: arm/arm64: Handle CPU_PM_ENTER_FAILED KVM: PPC: Book3S PR: Fix broken select due to misspelling ASoC: acpi: fix machine driver selection based on quirk ASoC: rockchip: i2s: fix playback after runtime resume ASoC: skl: Fix kernel warning due to zero NHTL entry ASoC: compress: Correct handling of copy callback watchdog: imx2_wdt: restore previous timeout after suspend+resume afs: Add missing afs_put_cell() afs: Need to clear responded flag in addr cursor afs: Fix missing cursor clearance afs: Fix server list handling btrfs: Handle btrfs_set_extent_delalloc failure in fixup worker Btrfs: raid56: iterate raid56 internal bio with bio_for_each_segment_all kasan: don't emit builtin calls when sanitization is off kasan: rework Kconfig settings media: dvb_frontend: be sure to init dvb_frontend_handle_ioctl() return code media: dvb-frontends: fix i2c access helpers for KASAN media: dt-bindings/media/cec-gpio.txt: mention the CEC/HPD max voltages media: ts2020: avoid integer overflows on 32 bit machines media: vivid: fix module load error when enabling fb and no_error_inj=1 media: cxusb, dib0700: ignore XC2028_I2C_FLUSH fs/proc/kcore.c: use probe_kernel_read() instead of memcpy() kernel/async.c: revert "async: simplify lowest_in_progress()" kernel/relay.c: revert "kernel/relay.c: fix potential memory leak" pipe: actually allow root to exceed the pipe buffer limits pipe: fix off-by-one error when checking buffer limits HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working Bluetooth: btsdio: Do not bind to non-removable BCM43341 ipmi: use dynamic memory for DMI driver override signal/openrisc: Fix do_unaligned_access to send the proper signal signal/sh: Ensure si_signo is initialized in do_divide_error alpha: fix crash if pthread_create races with signal delivery alpha: osf_sys.c: fix put_tv32 regression alpha: Fix mixed up args in EXC macro in futex operations alpha: fix reboot on Avanti platform alpha: fix formating of stack content xtensa: fix futex_atomic_cmpxchg_inatomic EDAC, octeon: Fix an uninitialized variable warning genirq: Make legacy autoprobing work again pinctrl: intel: Initialize GPIO properly when used through irqchip pinctrl: mcp23s08: fix irq setup order pinctrl: sx150x: Unregister the pinctrl on release pinctrl: sx150x: Register pinctrl before adding the gpiochip pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping pktcdvd: Fix pkt_setup_dev() error path pktcdvd: Fix a recently introduced NULL pointer dereference blk-mq: quiesce queue before freeing queue clocksource/drivers/stm32: Fix kernel panic with multiple timers lib/ubsan.c: s/missaligned/misaligned/ lib/ubsan: add type mismatch handler for new GCC/Clang objtool: Fix switch-table detection arm64: dts: marvell: add Ethernet aliases drm/i915: Avoid PPS HW/SW state mismatch due to rounding ACPI: sbshc: remove raw pointer from printk() message acpi, nfit: fix register dimm error handling ovl: force r/o mount when index dir creation fails ovl: fix failure to fsync lower dir ovl: take mnt_want_write() for work/index dir setup ovl: take mnt_want_write() for removing impure xattr ovl: hash directory inodes for fsnotify mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy devpts: fix error handling in devpts_mntget() ftrace: Remove incorrect setting of glob search field scsi: core: Ensure that the SCSI error handler gets woken up scsi: lpfc: Fix crash after bad bar setup on driver attachment scsi: cxlflash: Reset command ioasc rcu: Export init_rcu_head() and destroy_rcu_head() to GPL modules Linux 4.15.4 The following patches from the v4.15.4 stable release had already been applied: Revert "Bluetooth: btusb: fix QCA Rome suspend/resume" Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1751064/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net 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