[   15.402409] random: sshd: uninitialized urandom read (32 bytes read, 33 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: [   19.430787] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   19.636769] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   20.575909] random: sshd: uninitialized urandom read (32 bytes read, 113 bits of entropy available)
[   20.753417] random: sshd: uninitialized urandom read (32 bytes read, 119 bits of entropy available)
Warning: Permanently added '10.128.15.235' (ECDSA) to the list of known hosts.
[   26.129503] random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available)
executing program
[   26.234599] IPVS: Creating netns size=2552 id=1
[   26.315102] ==================================================================
[   26.322484] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xe8/0x100
[   26.329728] Read of size 4 at addr ffff8801d1054a00 by task syzkaller561338/3317
[   26.337230] 
[   26.338829] CPU: 0 PID: 3317 Comm: syzkaller561338 Not tainted 4.4.112-g3fc4284 #32
[   26.346852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.356182]  0000000000000000 e83449010f4f16b1 ffff8801d1127cc8 ffffffff81d054ed
[   26.364153]  ffffea0007441500 ffff8801d1054a00 0000000000000000 ffff8801d1054a00
[   26.372141]  ffffffff82dea4d0 ffff8801d1127d00 ffffffff814fd953 ffff8801d1054a00
[   26.380127] Call Trace:
[   26.382689]  [<ffffffff81d054ed>] dump_stack+0xc1/0x124
[   26.388022]  [<ffffffff82dea4d0>] ? sock_release+0x1e0/0x1e0
[   26.393789]  [<ffffffff814fd953>] print_address_description+0x73/0x260
[   26.400424]  [<ffffffff82dea4d0>] ? sock_release+0x1e0/0x1e0
[   26.406191]  [<ffffffff814fde65>] kasan_report+0x285/0x370
[   26.412057]  [<ffffffff8345a5b8>] ? l2tp_session_queue_purge+0xe8/0x100
[   26.418781]  [<ffffffff814fdfa4>] __asan_report_load4_noabort+0x14/0x20
[   26.425510]  [<ffffffff8345a5b8>] l2tp_session_queue_purge+0xe8/0x100
[   26.432406]  [<ffffffff82dea4d0>] ? sock_release+0x1e0/0x1e0
[   26.438176]  [<ffffffff8346764f>] pppol2tp_release+0x1ff/0x310
[   26.444118]  [<ffffffff82dea37d>] sock_release+0x8d/0x1e0
[   26.449633]  [<ffffffff82dea4e6>] sock_close+0x16/0x20
[   26.454892]  [<ffffffff81522f93>] __fput+0x233/0x6d0
[   26.459968]  [<ffffffff815234b5>] ____fput+0x15/0x20
[   26.465050]  [<ffffffff8118bb54>] task_work_run+0x104/0x180
[   26.470731]  [<ffffffff81003625>] exit_to_usermode_loop+0x145/0x170
[   26.477108]  [<ffffffff81006545>] syscall_return_slowpath+0x1b5/0x1f0
[   26.483659]  [<ffffffff8377635d>] int_ret_from_sys_call+0x25/0xa3
[   26.490203] 
[   26.491799] Allocated by task 3315:
[   26.495390]  [<ffffffff81035df6>] save_stack_trace+0x26/0x50
[   26.501291]  [<ffffffff814fc9c3>] save_stack+0x43/0xd0
[   26.506665]  [<ffffffff814fcc8d>] kasan_kmalloc+0xad/0xe0
[   26.512822]  [<ffffffff814f8f64>] __kmalloc+0x124/0x320
[   26.518533]  [<ffffffff834604c9>] l2tp_session_create+0x39/0x10f0
[   26.524852]  [<ffffffff83464b5c>] pppol2tp_connect+0x10fc/0x1930
[   26.531097]  [<ffffffff82deed36>] SYSC_connect+0x1b6/0x310
[   26.536806]  [<ffffffff82df15a4>] SyS_connect+0x24/0x30
[   26.542257]  [<ffffffff837761d9>] entry_SYSCALL_64_fastpath+0x16/0x92
[   26.549535] 
[   26.551138] Freed by task 3315:
[   26.554382]  [<ffffffff81035df6>] save_stack_trace+0x26/0x50
[   26.560272]  [<ffffffff814fc9c3>] save_stack+0x43/0xd0
[   26.565641]  [<ffffffff814fd2e2>] kasan_slab_free+0x72/0xc0
[   26.571443]  [<ffffffff814f9d6c>] kfree+0xfc/0x300
[   26.576742]  [<ffffffff8345ca50>] l2tp_session_free+0x170/0x200
[   26.582899]  [<ffffffff8345f301>] l2tp_tunnel_closeall+0x2d1/0x3b0
[   26.589313]  [<ffffffff8345fe6b>] l2tp_udp_encap_destroy+0x8b/0xf0
[   26.595732]  [<ffffffff8336e6b1>] udpv6_destroy_sock+0xb1/0xd0
[   26.602845]  [<ffffffff82e014cb>] sk_common_release+0x6b/0x300
[   26.608908]  [<ffffffff8336d665>] udp_lib_close+0x15/0x20
[   26.616244]  [<ffffffff831d16da>] inet_release+0xfa/0x1d0
[   26.622232]  [<ffffffff832f6f90>] inet6_release+0x50/0x70
[   26.627883]  [<ffffffff82dea37d>] sock_release+0x8d/0x1e0
[   26.633506]  [<ffffffff82dea4e6>] sock_close+0x16/0x20
[   26.639651]  [<ffffffff81522f93>] __fput+0x233/0x6d0
[   26.644841]  [<ffffffff815234b5>] ____fput+0x15/0x20
[   26.650026]  [<ffffffff8118bb54>] task_work_run+0x104/0x180
[   26.655823]  [<ffffffff81003625>] exit_to_usermode_loop+0x145/0x170
[   26.662574]  [<ffffffff81006545>] syscall_return_slowpath+0x1b5/0x1f0
[   26.669238]  [<ffffffff8377635d>] int_ret_from_sys_call+0x25/0xa3
[   26.675817] 
[   26.677415] The buggy address belongs to the object at ffff8801d1054a00
[   26.677415]  which belongs to the cache kmalloc-512 of size 512
[   26.690048] The buggy address is located 0 bytes inside of
[   26.690048]  512-byte region [ffff8801d1054a00, ffff8801d1054c00)
[   26.701720] 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: 0x0000000001426b71
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-g3fc4284 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #32 SMP PREEMPT Sat Jan 20 10:36:04 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 2127523603 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 (40431K 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
[    1.316687] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000)
[    1.317875] pid_max: default: 32768 minimum: 301
[    1.318586] ACPI: Core revision 20150930
[    1.388754] ACPI: 2 ACPI AML tables successfully acquired and loaded
[    1.390035] Security Framework initialized
[    1.390622] SELinux:  Initializing.
[    1.391274] AppArmor: AppArmor disabled by boot time parameter
[    1.392203] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    1.393210] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    1.396904] Initializing cgroup subsys io
[    1.397516] Initializing cgroup subsys freezer
[    1.398187] Initializing cgroup subsys hugetlb
[    1.398828] Initializing cgroup subsys debug
[    1.399612] CPU: Physical Processor ID: 0
[    1.401554] mce: CPU supports 32 MCE banks
[    1.402342] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    1.403198] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    1.406429] Freeing SMP alternatives memory: 44K
[    1.415605] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    1.535903] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    1.537456] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    1.626195] x86: Booting SMP configuration:
[    1.626963] .... node  #0, CPUs:      #1
[    1.627857] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock
[    1.633180] x86: Booted up 1 node, 2 CPUs
[    1.633759] smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
[    1.638683] devtmpfs: initialized
[    1.648275] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    1.649688] futex hash table entries: 512 (order: 4, 65536 bytes)
[    1.651362] xor: automatically using best checksumming function:
[    1.664385] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left
[    1.745929]    avx       : 21666.400 MB/sec
[    1.747142] RTC time: 22:55:57, date: 01/20/18
[    1.749446] NET: Registered protocol family 16
[    1.750550] schedtune: init normalization constants...
[    1.751264] schedtune: no energy model data
[    1.751926] schedtune: disabled!
[    1.786203] cpuidle: using governor ladder
[    1.815984] cpuidle: using governor menu
[    1.817278] ACPI: bus type PCI registered
[    1.817868] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    1.820668] PCI: Using configuration type 1 for base access
[    1.828094] kworker/u4:1 (48) used greatest stack depth: 27224 bytes left
[    2.275920] raid6: sse2x1   gen()  4742 MB/s
[    2.445917] raid6: sse2x1   xor()  2637 MB/s
[    2.615912] raid6: sse2x2   gen()  7544 MB/s
[    2.785906] raid6: sse2x2   xor()  4334 MB/s
[    2.955908] raid6: sse2x4   gen()  9574 MB/s
[    3.125906] raid6: sse2x4   xor()  5253 MB/s
[    3.295924] raid6: avx2x1   gen()  9107 MB/s
[    3.465910] raid6: avx2x2   gen() 13850 MB/s
[    3.635901] raid6: avx2x4   gen() 18066 MB/s
[    3.636611] raid6: using algorithm avx2x4 gen() 18066 MB/s
[    3.637374] raid6: using avx2x2 recovery algorithm
[    3.638663] ACPI: Added _OSI(Module Device)
[    3.639247] ACPI: Added _OSI(Processor Device)
[    3.639884] ACPI: Added _OSI(3.0 _SCP Extensions)
[    3.640528] ACPI: Added _OSI(Processor Aggregator Device)
[    3.651096] ACPI: Executed 2 blocks of module-level executable AML code
[    3.727018] ACPI: Interpreter enabled
[    3.728005] ACPI: (supports S0 S3 S4 S5)
[    3.728552] ACPI: Using IOAPIC for interrupt routing
[    3.729616] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    3.926090] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    3.927140] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    3.928638] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    3.929682] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    3.956039] PCI host bridge to bus 0000:00
[    3.956780] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    3.957865] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    3.958834] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    3.959946] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    3.960989] pci_bus 0000:00: root bus resource [bus 00-ff]
[    4.001561] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
[    4.086190] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    4.092573] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    4.098641] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    4.104480] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    4.108085] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    4.121273] ACPI: Enabled 16 GPEs in block 00 to 0F
[    4.124814] vgaarb: loaded
[    4.128010] SCSI subsystem initialized
[    4.137698] ACPI: bus type USB registered
[    4.139327] usbcore: registered new interface driver usbfs
[    4.141059] usbcore: registered new interface driver hub
[    4.142297] usbcore: registered new device driver usb
[    4.145731] pps_core: LinuxPPS API ver. 1 registered
[    4.147161] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    4.148638] PTP clock support registered
[    4.151632] Advanced Linux Sound Architecture Driver Initialized.
[    4.153219] PCI: Using ACPI for IRQ routing
[    4.166537] NetLabel: Initializing
[    4.167176] NetLabel:  domain hash size = 128
[    4.167820] NetLabel:  protocols = UNLABELED CIPSOv4
[    4.168797] NetLabel:  unlabeled traffic allowed by default
[    4.171220] amd_nb: Cannot enumerate AMD northbridges
[    4.172091] clocksource: Switched to clocksource kvm-clock
[    4.331486] pnp: PnP ACPI init
[    4.353775] pnp: PnP ACPI: found 7 devices
[    4.367815] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    4.369510] NET: Registered protocol family 2
[    4.372031] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    4.374078] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
[    4.381434] TCP: Hash tables configured (established 65536 bind 65536)
[    4.382801] UDP hash table entries: 4096 (order: 7, 655360 bytes)
[    4.385067] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
[    4.387770] NET: Registered protocol family 1
[    4.388530] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    4.390376] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    4.391358] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff]
[    4.393763] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer
[    4.395064] hw unit of domain pp0-core 2^-0 Joules
[    4.395797] hw unit of domain package 2^-0 Joules
[    4.396475] hw unit of domain dram 2^-16 Joules
[    4.402082] Scanning for low memory corruption every 60 seconds
[    4.410419] audit: initializing netlink subsys (disabled)
[    4.411490] audit: type=2000 audit(1516488960.157:1): initialized
[    4.419097] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    4.547476] VFS: Disk quotas dquot_6.6.0
[    4.549177] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    4.571729] fuse init (API version 7.23)
[    4.576852] 9p: Installing v9fs 9p2000 file system support
[    4.589616] async_tx: api initialized (async)
[    4.591618] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    4.594170] io scheduler noop registered
[    4.594754] io scheduler deadline registered
[    4.597191] io scheduler cfq registered (default)
[    4.609920] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    4.613995] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[    4.615235] ACPI: Power Button [PWRF]
[    4.616970] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[    4.618153] ACPI: Sleep Button [SLPF]
[    4.653289] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[    4.654268] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    4.676939] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
[    4.677936] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    4.685082] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    4.708426] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    4.735113] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    4.760551] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[    4.786293] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[    4.795217] Non-volatile memory driver v1.3
[    4.797258] Linux agpgart interface v0.103
[    4.800252] [drm] Initialized drm 1.1.0 20060810
[    4.898655] brd: module loaded
[    4.965336] loop: module loaded
[    4.990620] nbd: registered device at major 43
[    5.125495] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101)
[    5.127191] drbd: built-in
[    5.127882] drbd: registered as block device major 147
[    5.166568] scsi host0: Virtio SCSI HBA
[    5.193932] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    5.392780] tsc: Refined TSC clocksource calibration: 2299.932 MHz
[    5.394416] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126f5006fc, max_idle_ns: 440795235156 ns
[    5.863865] st: Version 20101219, fixed bufsize 32768, s/g segs 256
[    5.865945] osst :I: Tape driver with OnStream support version 0.99.4
[    5.865945] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
[    5.873829] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[    5.875665] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    5.877489] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    5.879305] SCSI Media Changer driver v0.25 
[    5.880385] sd 0:0:1:0: [sda] Write Protect is off
[    5.883557] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.884533] tun: Universal TUN/TAP device driver, 1.6
[    5.884535] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    5.917234] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[    5.918778] e100: Copyright(c) 1999-2006 Intel Corporation
[    5.920632] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    5.923125] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    5.925011] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    5.926450] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    5.928260] sky2: driver version 1.30
[    5.930411] PPP generic driver version 2.4.2
[    5.933320] PPP BSD Compression module registered
[    5.934621] PPP Deflate Compression module registered
[    5.935979] PPP MPPE Compression module registered
[    5.937117] NET: Registered protocol family 24
[    5.937182]  sda: sda1
[    5.939240] usbcore: registered new interface driver asix
[    5.941211] usbcore: registered new interface driver ax88179_178a
[    5.943234] usbcore: registered new interface driver cdc_ether
[    5.945099] usbcore: registered new interface driver net1080
[    5.946965] usbcore: registered new interface driver cdc_subset
[    5.948641] usbcore: registered new interface driver zaurus
[    5.950497] usbcore: registered new interface driver cdc_ncm
[    5.950856] sd 0:0:1:0: [sda] Attached SCSI disk
[    5.954800] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    5.956366] ehci-pci: EHCI PCI platform driver
[    5.957755] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.959187] ohci-pci: OHCI PCI platform driver
[    5.960377] uhci_hcd: USB Universal Host Controller Interface driver
[    5.964179] usbcore: registered new interface driver usblp
[    5.965896] usbcore: registered new interface driver usb-storage
[    5.968854] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    5.972341] i8042: Warning: Keylock active
[    5.974544] serio: i8042 KBD port at 0x60,0x64 irq 1
[    5.977328] serio: i8042 AUX port at 0x60,0x64 irq 12
[    5.981679] mousedev: PS/2 mouse device common for all mice
[    5.986602] usbcore: registered new interface driver xpad
[    5.988103] usbcore: registered new interface driver usb_acecad
[    5.989802] usbcore: registered new interface driver aiptek
[    5.991566] usbcore: registered new interface driver gtco
[    5.993088] usbcore: registered new interface driver hanwang
[    5.994785] usbcore: registered new interface driver kbtab
[    5.998533] rtc_cmos 00:00: RTC can wake from S4
[    6.001510] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[    6.004216] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[    6.007104] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[    6.010719] softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
[    6.013443] md: linear personality registered for level -1
[    6.014687] md: raid0 personality registered for level 0
[    6.016164] md: raid1 personality registered for level 1
[    6.017521] md: raid10 personality registered for level 10
[    6.019864] md: raid6 personality registered for level 6
[    6.021167] md: raid5 personality registered for level 5
[    6.022605] md: raid4 personality registered for level 4
[    6.024091] md: multipath personality registered for level -4
[    6.025340] md: faulty personality registered for level -5
[    6.030524] device-mapper: uevent: version 1.0.3
[    6.035524] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com
[    6.070149] device-mapper: multipath: version 1.10.0 loaded
[    6.071641] device-mapper: multipath round-robin: version 1.0.0 loaded
[    6.073270] device-mapper: multipath queue-length: version 0.1.0 loaded
[    6.074862] device-mapper: multipath service-time: version 0.2.0 loaded
[    6.078644] device-mapper: raid: Loading target version 1.7.0
[    6.083561] hidraw: raw HID events driver (C) Jiri Kosina
[    6.113616] usbcore: registered new interface driver usbhid
[    6.114967] usbhid: USB HID core driver
[    6.118617] ashmem: initialized
[    6.168967] oprofile: using timer interrupt.
[    6.170148] pktgen: Packet Generator for packet performance testing. Version: 2.75
[    6.184302] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[    6.196910] GACT probability on
[    6.197838] Mirror/redirect action on
[    6.198967] Simple TC action Loaded
[    6.202838] netem: version 1.3
[    6.203683] u32 classifier
[    6.204462]     Actions configured
[    6.205520] Netfilter messages via NETLINK v0.30.
[    6.206942] nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
[    6.213338] ctnetlink v0.93: registering with nfnetlink.
[    6.215256] nf_tables: (c) 2007-2009 Patrick McHardy <kaber@trash.net>
[    6.222416] xt_time: kernel timezone is -0000
[    6.223653] IPVS: Registered protocols (TCP, UDP, AH, ESP)
[    6.225860] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[    6.227979] IPVS: Creating netns size=2552 id=0
[    6.229176] IPVS: ipvs loaded.
[    6.229949] IPVS: [rr] scheduler registered.
[    6.231057] IPVS: [wrr] scheduler registered.
[    6.232217] IPVS: [lc] scheduler registered.
[    6.233297] IPVS: [wlc] scheduler registered.
[    6.234502] IPVS: [lblc] scheduler registered.
[    6.235732] IPVS: [lblcr] scheduler registered.
[    6.236839] IPVS: [dh] scheduler registered.
[    6.237940] IPVS: [sh] scheduler registered.
[    6.239096] IPVS: [sed] scheduler registered.
[    6.240153] IPVS: [nq] scheduler registered.
[    6.241309] ipip: IPv4 over IPv4 tunneling driver
[    6.246721] ip_tables: (C) 2000-2006 Netfilter Core Team
[    6.248988] arp_tables: (C) 2002 David S. Miller
[    6.250599] Initializing XFRM netlink socket
[    6.258724] NET: Registered protocol family 10
[    6.268585] mip6: Mobile IPv6
[    6.269515] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    6.272456] sit: IPv6 over IPv4 tunneling driver
[    6.277167] NET: Registered protocol family 17
[    6.278424] NET: Registered protocol family 15
[    6.279807] l2tp_core: L2TP core driver, V2.0
[    6.280897] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[    6.282256] 9pnet: Installing 9P2000 support
[    6.283840] Key type dns_resolver registered
[    6.291546] microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1
[    6.293172] microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1
[    6.295080] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    6.297587] AVX2 version of gcm_enc/dec engaged.
[    6.298689] AES CTR mode by8 optimization enabled
[    6.309576] registered taskstats version 1
[    6.341790] Btrfs loaded
[    6.344676]   Magic number: 2:697:957
[    6.345980] console [netcon0] enabled
[    6.346733] netconsole: network logging started
[    6.349287] ALSA device list:
[    6.349990]   No soundcards found.
[    6.352397] md: Waiting for all devices to be available before autodetect
[    6.353513] md: If you don't use raid, use raid=noautodetect
[    6.361287] md: Autodetecting RAID arrays.
[    6.362012] md: Scanned 0 and added 0 devices.
[    6.362705] md: autorun ...
[    6.363105] md: ... autorun DONE.
[    6.365835] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities
[    6.380576] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[    6.381605] EXT4-fs (sda1): write access will be enabled during recovery
[    6.560886] EXT4-fs (sda1): recovery complete
[    6.564148] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    6.565323] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[    6.567638] devtmpfs: mounted
[    6.574109] Freeing unused kernel memory: 1848K
[    6.574798] Kernel memory protection disabled.