[ 16.067973] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.922696] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 20.287798] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 21.191548] random: sshd: uninitialized urandom read (32 bytes read, 110 bits of entropy available) [ 21.365317] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. [ 26.774720] random: sshd: uninitialized urandom read (32 bytes read, 122 bits of entropy available) executing program [ 26.876144] ================================================================== [ 26.883541] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 26.890175] Read of size 8 at addr ffff8801d2e7efb8 by task syzkaller404599/3321 [ 26.897672] [ 26.899271] CPU: 1 PID: 3321 Comm: syzkaller404599 Not tainted 4.4.112-gca0ebb4 #29 [ 26.907044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.916370] 0000000000000000 5fea848d8e1c20ef ffff8800b0fd78d0 ffffffff81d056fd [ 26.924335] ffffea00074b9f80 ffff8801d2e7efb8 0000000000000000 ffff8801d2e7efb8 [ 26.932311] 0000000000000000 ffff8800b0fd7908 ffffffff814fd953 ffff8801d2e7efb8 [ 26.940268] Call Trace: [ 26.942832] [] dump_stack+0xc1/0x124 [ 26.948173] [] print_address_description+0x73/0x260 [ 26.954809] [] kasan_report+0x285/0x370 [ 26.960401] [] ? __lock_acquire+0x387e/0x4b50 [ 26.966511] [] __asan_report_load8_noabort+0x14/0x20 [ 26.973228] [] __lock_acquire+0x387e/0x4b50 [ 26.979170] [] ? __lock_acquire+0xb5f/0x4b50 [ 26.985198] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 26.992180] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 26.999161] [] ? mark_held_locks+0xaf/0x100 [ 27.005098] [] lock_acquire+0x15e/0x460 [ 27.010695] [] ? remove_wait_queue+0x14/0x40 [ 27.016745] [] _raw_spin_lock_irqsave+0x4e/0x70 [ 27.023042] [] ? remove_wait_queue+0x14/0x40 [ 27.030686] [] remove_wait_queue+0x14/0x40 [ 27.036545] [] ep_unregister_pollwait.isra.6+0xa8/0x220 [ 27.043526] [] ? ep_unregister_pollwait.isra.6+0x114/0x220 [ 27.050769] [] ? ep_free+0x1c0/0x1c0 [ 27.056100] [] ep_free+0x93/0x1c0 [ 27.061172] [] ? ep_free+0x1c0/0x1c0 [ 27.066502] [] ep_eventpoll_release+0x44/0x60 [ 27.072613] [] __fput+0x233/0x6d0 [ 27.077692] [] ____fput+0x15/0x20 [ 27.082766] [] task_work_run+0x104/0x180 [ 27.088447] [] do_exit+0x871/0x2a20 [ 27.093691] [] ? release_task+0x1240/0x1240 [ 27.099634] [] ? SyS_epoll_create+0x190/0x190 [ 27.105756] [] do_group_exit+0x108/0x320 [ 27.111443] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 27.117909] [] SyS_exit_group+0x1d/0x20 [ 27.123504] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 27.130051] [ 27.131653] Allocated by task 3321: [ 27.135248] [] save_stack_trace+0x26/0x50 [ 27.141136] [] save_stack+0x43/0xd0 [ 27.146497] [] kasan_kmalloc+0xad/0xe0 [ 27.152119] [] kmem_cache_alloc_trace+0x100/0x2b0 [ 27.158692] [] binder_get_thread+0x181/0x7a0 [ 27.164839] [] binder_poll+0x4a/0x210 [ 27.170375] [] SyS_epoll_ctl+0x10b1/0x2050 [ 27.176348] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 27.183032] [ 27.184630] Freed by task 3321: [ 27.187876] [] save_stack_trace+0x26/0x50 [ 27.193766] [] save_stack+0x43/0xd0 [ 27.199129] [] kasan_slab_free+0x72/0xc0 [ 27.204919] [] kfree+0xfc/0x300 [ 27.209931] [] binder_thread_dec_tmpref+0x1c1/0x250 [ 27.216679] [] binder_thread_release+0x27d/0x540 [ 27.223165] [] binder_ioctl+0xb94/0x12e0 [ 27.228956] [] do_vfs_ioctl+0x7aa/0xee0 [ 27.234665] [] SyS_ioctl+0x8f/0xc0 [ 27.239936] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 27.246601] [ 27.248198] The buggy address belongs to the object at ffff8801d2e7ef00 [ 27.248198] which belongs to the cache kmalloc-512 of size 512 [ 27.260825] The buggy address is located 184 bytes inside of [ 27.260825] 512-byte region [ffff8801d2e7ef00, ffff8801d2e7f100) [ 27.272665] The buggy address belongs to the page: SeaBIOS (version 1.8.2-20171130_102032-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f3050: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039c626e input_len: 0x0000000001427532 output: 0x0000000001000000 output_len: 0x0000000003dd8a40 run_size: 0x000000000550e000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Initializing cgroup subsys schedtune [ 0.000000] Linux version 4.4.112-gca0ebb4 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #29 SMP PREEMPT Thu Jan 18 17:55:38 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=120 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f32c0-0x000f32cf] mapped at [ffff8800000f32c0] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F3090 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 1822382836 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 42 pages/cpu @ffff8801db200000 s134024 r8192 d29816 u1048576 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935237 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=120 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.000000] Memory: 6581452K/7863916K available (40432K kernel code, 6131K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282464K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] Running RCU self tests [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2 [ 0.000000] NR_IRQS:4352 nr_irqs:440 16 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] tsc: Detected 2300.000 MHz processor [ 1.167533] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.168687] pid_max: default: 32768 minimum: 301 [ 1.169387] ACPI: Core revision 20150930 [ 1.239024] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.240235] Security Framework initialized [ 1.240802] SELinux: Initializing. [ 1.241479] AppArmor: AppArmor disabled by boot time parameter [ 1.242439] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.243364] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.247031] Initializing cgroup subsys io [ 1.247780] Initializing cgroup subsys freezer [ 1.248441] Initializing cgroup subsys hugetlb [ 1.249066] Initializing cgroup subsys debug [ 1.249826] CPU: Physical Processor ID: 0 [ 1.251661] mce: CPU supports 32 MCE banks [ 1.252410] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.253240] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.256406] Freeing SMP alternatives memory: 44K [ 1.268630] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.386874] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.388348] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.477129] x86: Booting SMP configuration: [ 1.477743] .... node #0, CPUs: #1 [ 1.478568] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.483330] x86: Booted up 1 node, 2 CPUs [ 1.483921] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.488456] devtmpfs: initialized [ 1.497924] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.499334] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.500938] xor: automatically using best checksumming function: [ 1.514444] kworker/u4:0 (21) used greatest stack depth: 27224 bytes left [ 1.596872] avx : 21654.000 MB/sec [ 1.597994] RTC time: 22:56:24, date: 01/18/18 [ 1.600219] NET: Registered protocol family 16 [ 1.601324] schedtune: init normalization constants... [ 1.602092] schedtune: no energy model data [ 1.602728] schedtune: disabled! [ 1.637146] cpuidle: using governor ladder [ 1.666899] cpuidle: using governor menu [ 1.668098] ACPI: bus type PCI registered [ 1.668679] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.671490] PCI: Using configuration type 1 for base access [ 2.096885] raid6: sse2x1 gen() 4626 MB/s [ 2.266839] raid6: sse2x1 xor() 2463 MB/s [ 2.436824] raid6: sse2x2 gen() 7473 MB/s [ 2.606820] raid6: sse2x2 xor() 4224 MB/s [ 2.776800] raid6: sse2x4 gen() 9761 MB/s [ 2.946791] raid6: sse2x4 xor() 5653 MB/s [ 3.116779] raid6: avx2x1 gen() 9381 MB/s [ 3.286767] raid6: avx2x2 gen() 14443 MB/s [ 3.456753] raid6: avx2x4 gen() 18692 MB/s [ 3.457429] raid6: using algorithm avx2x4 gen() 18692 MB/s [ 3.458217] raid6: using avx2x2 recovery algorithm [ 3.459580] ACPI: Added _OSI(Module Device) [ 3.460310] ACPI: Added _OSI(Processor Device) [ 3.460970] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.461631] ACPI: Added _OSI(Processor Aggregator Device) [ 3.472068] ACPI: Executed 2 blocks of module-level executable AML code [ 3.546572] ACPI: Interpreter enabled [ 3.547496] ACPI: (supports S0 S3 S4 S5) [ 3.548170] ACPI: Using IOAPIC for interrupt routing [ 3.549299] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.753523] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.754530] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.755851] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.756893] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.783210] PCI host bridge to bus 0000:00 [ 3.783856] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.784869] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.785836] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.786859] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.787987] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.825452] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.904700] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.910704] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.916313] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.921826] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.925188] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.938023] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.941373] vgaarb: loaded [ 3.944531] SCSI subsystem initialized [ 3.948391] ACPI: bus type USB registered [ 3.950304] usbcore: registered new interface driver usbfs [ 3.952096] usbcore: registered new interface driver hub [ 3.953338] usbcore: registered new device driver usb [ 3.955391] pps_core: LinuxPPS API ver. 1 registered [ 3.956165] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.957745] PTP clock support registered [ 3.960664] Advanced Linux Sound Architecture Driver Initialized. [ 3.962255] PCI: Using ACPI for IRQ routing [ 3.977311] NetLabel: Initializing [ 3.977868] NetLabel: domain hash size = 128 [ 3.978486] NetLabel: protocols = UNLABELED CIPSOv4 [ 3.979440] NetLabel: unlabeled traffic allowed by default [ 3.981837] amd_nb: Cannot enumerate AMD northbridges [ 3.982727] clocksource: Switched to clocksource kvm-clock [ 4.139230] pnp: PnP ACPI init [ 4.161932] pnp: PnP ACPI: found 7 devices [ 4.174688] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.176318] NET: Registered protocol family 2 [ 4.178818] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.180924] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.188183] TCP: Hash tables configured (established 65536 bind 65536) [ 4.189329] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.190919] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.194640] NET: Registered protocol family 1 [ 4.195391] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.197082] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.197975] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.199869] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.201109] hw unit of domain pp0-core 2^-0 Joules [ 4.201780] hw unit of domain package 2^-0 Joules [ 4.202439] hw unit of domain dram 2^-16 Joules [ 4.207898] Scanning for low memory corruption every 60 seconds [ 4.216721] audit: initializing netlink subsys (disabled) [ 4.217732] audit: type=2000 audit(1516316186.619:1): initialized [ 4.224582] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.351111] VFS: Disk quotas dquot_6.6.0 [ 4.352770] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.375574] fuse init (API version 7.23) [ 4.378873] 9p: Installing v9fs 9p2000 file system support [ 4.391325] async_tx: api initialized (async) [ 4.393309] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.395334] io scheduler noop registered [ 4.396088] io scheduler deadline registered [ 4.398449] io scheduler cfq registered (default) [ 4.410538] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.415309] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.416576] ACPI: Power Button [PWRF] [ 4.418261] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.419497] ACPI: Sleep Button [SLPF] [ 4.443272] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.444220] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.465233] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.466120] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.472205] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.496597] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.522681] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.548273] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.573600] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.582001] Non-volatile memory driver v1.3 [ 4.584335] Linux agpgart interface v0.103 [ 4.587594] [drm] Initialized drm 1.1.0 20060810 [ 4.685441] brd: module loaded [ 4.734121] loop: module loaded [ 4.766490] nbd: registered device at major 43 [ 4.909701] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 4.911432] drbd: built-in [ 4.912175] drbd: registered as block device major 147 [ 4.932568] scsi host0: Virtio SCSI HBA [ 4.969409] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6