This bug was fixed in the package linux - 4.4.0-187.217 --------------- linux (4.4.0-187.217) xenial; urgency=medium * xenial/linux: 4.4.0-187.217 -proposed tracker (LP: #1888274) * Regression in kernel 4.15.0-91 causes kernel panic with Bcache (LP: #1867916) - bcache: check and adjust logical block size for backing devices * Xenial update: v4.4.230 upstream stable release (LP: #1887011) - btrfs: cow_file_range() num_bytes and disk_num_bytes are same - btrfs: fix data block group relocation failure due to concurrent scrub - mm: fix swap cache node allocation mask - EDAC/amd64: Read back the scrub rate PCI register on F15h - mm/slub: fix stack overruns with SLUB_STATS - usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect - kgdb: Avoid suspicious RCU usage warning - crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() - sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds - hwmon: (max6697) Make sure the OVERT mask is set correctly - hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add() - virtio-blk: free vblk-vqs in error path of virtblk_probe() - i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665 - Revert "ALSA: usb-audio: Improve frames size computation" - SMB3: Honor 'seal' flag for multiuser mounts - SMB3: Honor persistent/resilient handle flags for multiuser mounts - cifs: Fix the target file was deleted when rename failed. - MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen - netfilter: nf_conntrack_h323: lost .data_len definition for Q.931/ipv6 - Linux 4.4.230 * Xenial update: v4.4.229 upstream stable release (LP: #1885932) - s390: fix syscall_get_error for compat processes - clk: sunxi: Fix incorrect usage of round_down() - i2c: piix4: Detect secondary SMBus controller on AMD AM4 chipsets - clk: qcom: msm8916: Fix the address location of pll->config_reg - ALSA: isa/wavefront: prevent out of bounds write in ioctl - scsi: qla2xxx: Fix issue with adapter's stopping state - i2c: pxa: clear all master action bits in i2c_pxa_stop_message() - usblp: poison URBs upon disconnect - ps3disk: use the default segment boundary - vfio/pci: fix memory leaks in alloc_perm_bits() - mfd: wm8994: Fix driver operation if loaded as modules - scsi: lpfc: Fix lpfc_nodelist leak when processing unsolicited event - nfsd: Fix svc_xprt refcnt leak when setup callback client failed - powerpc/crashkernel: Take "mem=" option into account - yam: fix possible memory leak in yam_init_driver - mksysmap: Fix the mismatch of '.L' symbols in System.map - scsi: sr: Fix sr_probe() missing deallocate of device minor - scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM - ALSA: usb-audio: Improve frames size computation - s390/qdio: put thinint indicator after early error - tty: hvc: Fix data abort due to race in hvc_open - staging: sm750fb: add missing case while setting FB_VISUAL - i2c: pxa: fix i2c_pxa_scream_blue_murder() debug output - serial: amba-pl011: Make sure we initialize the port.lock spinlock - drivers: base: Fix NULL pointer exception in __platform_driver_probe() if a driver developer is foolish - PCI/ASPM: Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges - power: supply: smb347-charger: IRQSTAT_D is volatile - scsi: mpt3sas: Fix double free warnings - dlm: remove BUG() before panic() - clk: ti: composite: fix memory leak - tty: n_gsm: Fix SOF skipping - tty: n_gsm: Fix waking up upper tty layer when room available - powerpc/pseries/ras: Fix FWNMI_VALID off by one - powerpc/ps3: Fix kexec shutdown hang - vfio-pci: Mask cap zero - usb/ohci-platform: Fix a warning when hibernating - USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe() - tty: n_gsm: Fix bogus i++ in gsm_data_kick - clk: samsung: exynos5433: Add IGNORE_UNUSED flag to sclk_i2s1 - watchdog: da9062: No need to ping manually before setting timeout - usb: dwc2: gadget: move gadget resume after the core is in L0 state - USB: gadget: udc: s3c2410_udc: Remove pointless NULL check in s3c2410_udc_nuke - usb: gadget: lpc32xx_udc: don't dereference ep pointer before null check - usb: gadget: fix potential double-free in m66592_probe. - net: sunrpc: Fix off-by-one issues in 'rpc_ntop6' - ASoC: fsl_asrc_dma: Fix dma_chan leak when config DMA channel failed - openrisc: Fix issue with argument clobbering for clone/fork - gfs2: Allow lock_nolock mount to specify jid=X - scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj - lib/zlib: remove outdated and incorrect pre-increment optimization - include/linux/bitops.h: avoid clang shift-count-overflow warnings - elfnote: mark all .note sections SHF_ALLOC - selftests/net: in timestamping, strncpy needs to preserve null byte - scsi: acornscsi: Fix an error handling path in acornscsi_probe() - usb/xhci-plat: Set PM runtime as active on resume - usb/ehci-platform: Set PM runtime as active on resume - perf report: Fix NULL pointer dereference in hists__fprintf_nr_sample_events() - bcache: fix potential deadlock problem in btree_gc_coalesce - block: Fix use-after-free in blkdev_get() - drm: encoder_slave: fix refcouting error for modules - drm/dp_mst: Reformat drm_dp_check_act_status() a bit - drm/qxl: Use correct notify port address when creating cursor ring - selinux: fix double free - ext4: fix partial cluster initialization when splitting extent - drm/dp_mst: Increase ACT retry timeout to 3s - sparc64: fix misuses of access_process_vm() in genregs32_[sg]et() - block: nr_sects_write(): Disable preemption on seqcount write - crypto: algboss - don't wait during notifier callback - kprobes: Fix to protect kick_kprobe_optimizer() by kprobe_mutex - powerpc/kprobes: Fixes for kprobe_lookup_name() on BE - x86/kprobes: Avoid kretprobe recursion bug - kretprobe: Prevent triggering kretprobe from within kprobe_flush_task - e1000e: Do not wake up the system via WOL if device wakeup is disabled - sched/rt, net: Use CONFIG_PREEMPTION.patch - net: core: device_rename: Use rwsem instead of a seqcount - net: Revert "pkt_sched: fq: use proper locking in fq_dump_stats()" - scsi: scsi_devinfo: handle non-terminated strings - l2tp: Allow duplicate session creation with UDP - net: sched: export __netdev_watchdog_up() - fix a braino in "sparc32: fix register window handling in genregs32_[gs]et()" - net: fix memleak in register_netdevice() - net: usb: ax88179_178a: fix packet alignment padding - tg3: driver sleeps indefinitely when EEH errors exceed eeh_max_freezes - ip_tunnel: fix use-after-free in ip_tunnel_lookup() - tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT - ip6_gre: fix use-after-free in ip6gre_tunnel_lookup() - tcp: grow window for OOO packets only for SACK flows - sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket - net: Fix the arp error in some cases - net: Do not clear the sock TX queue in sk_set_socket() - net: core: reduce recursion limit value - mld: fix memory leak in ipv6_mc_destroy_dev() - USB: ohci-sm501: Add missed iounmap() in remove - usb: dwc2: Postponed gadget registration to the udc class driver - usb: add USB_QUIRK_DELAY_INIT for Logitech C922 - PCI: Disable MSI for HiSilicon Hip06/Hip07 Root Ports - USB: ehci: reopen solution for Synopsys HC bug - usb: host: ehci-exynos: Fix error check in exynos_ehci_probe() - ALSA: usb-audio: add quirk for Denon DCD-1500RE - xhci: Fix incorrect EP_STATE_MASK - xhci: Fix enumeration issue when setting max packet size for FS devices. - cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip - ALSA: usb-audio: uac1: Invalidate ctl on interrupt - ALSA: usb-audio: allow clock source validity interrupts - ALSA: usb-audio: Clean up mixer element list traverse - ALSA: usb-audio: Fix OOB access of mixer element list - xhci: Poll for U0 after disabling USB2 LPM - cifs/smb3: Fix data inconsistent when punch hole - cifs/smb3: Fix data inconsistent when zero file range - efi/esrt: Fix reference count leak in esre_create_sysfs_entry. - RDMA/mad: Fix possible memory leak in ib_mad_post_receive_mads() - ARM: imx5: add missing put_device() call in imx_suspend_alloc_ocram() - usb: gadget: udc: Potential Oops in error handling code - netfilter: ipset: fix unaligned atomic access - sched/core: Fix PI boosting between RT and DEADLINE tasks - net: alx: fix race condition in alx_remove - kbuild: improve cc-option to clean up all temporary files - blktrace: break out of blktrace setup on concurrent calls - ACPI: sysfs: Fix pm_profile_attr type - KVM: X86: Fix MSR range of APIC registers in X2APIC mode - mm/slab: use memzero_explicit() in kzfree() - ocfs2: load global_inode_alloc - ocfs2: fix value of OCFS2_INVALID_SLOT - ocfs2: fix panic on nfs server over ocfs2 - arm64: perf: Report the PC value in REGS_ABI_32 mode - tracing: Fix event trigger to accept redundant spaces - drm/radeon: fix fb_div check in ni_init_smc_spll_table() - sunrpc: fixed rollback in rpc_gssd_dummy_populate() - SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment() - pNFS/flexfiles: Fix list corruption if the mirror count changes - NFSv4 fix CLOSE not waiting for direct IO compeletion - PCI: Disable MSI for HiSilicon Hip06/Hip07 only in Root Port mode - ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate() - Linux 4.4.229 * Computer is frozen after suspend (LP: #1867983) // Xenial update: v4.4.229 upstream stable release (LP: #1885932) - libata: Use per port sync for detach -- Ian May