[   16.444538] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available)
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   20.582987] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   20.976156] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   21.871936] random: sshd: uninitialized urandom read (32 bytes read, 109 bits of entropy available)
[   29.814312] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available)
Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts.
[   35.183334] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available)
executing program
[   35.284271] ==================================================================
[   35.291665] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50
[   35.298302] Read of size 8 at addr ffff8801d338aab8 by task syzkaller141200/3331
[   35.305808] 
[   35.307414] CPU: 1 PID: 3331 Comm: syzkaller141200 Not tainted 4.4.112-g52c02cf #23
[   35.315176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.324510]  0000000000000000 f43db18087f3a6e8 ffff8800b3c37850 ffffffff81d056fd
[   35.332484]  ffffea00074ce280 ffff8801d338aab8 0000000000000000 ffff8801d338aab8
[   35.340451]  0000000000000000 ffff8800b3c37888 ffffffff814fd953 ffff8801d338aab8
[   35.348426] Call Trace:
[   35.350995]  [<ffffffff81d056fd>] dump_stack+0xc1/0x124
[   35.356334]  [<ffffffff814fd953>] print_address_description+0x73/0x260
[   35.362970]  [<ffffffff814fde65>] kasan_report+0x285/0x370
[   35.368569]  [<ffffffff81239c7e>] ? __lock_acquire+0x387e/0x4b50
[   35.374683]  [<ffffffff814fdfc4>] __asan_report_load8_noabort+0x14/0x20
[   35.381405]  [<ffffffff81239c7e>] __lock_acquire+0x387e/0x4b50
[   35.387356]  [<ffffffff81236f5f>] ? __lock_acquire+0xb5f/0x4b50
[   35.393402]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   35.400387]  [<ffffffff81235bcb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   35.407197]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   35.414183]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   35.421168]  [<ffffffff8123c7be>] lock_acquire+0x15e/0x460
[   35.426775]  [<ffffffff8121f164>] ? remove_wait_queue+0x14/0x40
[   35.432807]  [<ffffffff83775fce>] _raw_spin_lock_irqsave+0x4e/0x70
[   35.439105]  [<ffffffff8121f164>] ? remove_wait_queue+0x14/0x40
[   35.445134]  [<ffffffff8121f164>] remove_wait_queue+0x14/0x40
[   35.450993]  [<ffffffff815f6d58>] ep_unregister_pollwait.isra.6+0xa8/0x220
[   35.457975]  [<ffffffff815f6dc4>] ? ep_unregister_pollwait.isra.6+0x114/0x220
[   35.465216]  [<ffffffff815f7bb0>] ? ep_free+0x1c0/0x1c0
[   35.470550]  [<ffffffff815f7a83>] ep_free+0x93/0x1c0
[   35.475635]  [<ffffffff815f7bb0>] ? ep_free+0x1c0/0x1c0
[   35.480972]  [<ffffffff815f7bf4>] ep_eventpoll_release+0x44/0x60
[   35.487087]  [<ffffffff81522f93>] __fput+0x233/0x6d0
[   35.492160]  [<ffffffff815234b5>] ____fput+0x15/0x20
[   35.497240]  [<ffffffff8118bb54>] task_work_run+0x104/0x180
[   35.502921]  [<ffffffff81132f21>] do_exit+0x871/0x2a20
[   35.508171]  [<ffffffff814a133d>] ? handle_mm_fault+0x192d/0x3190
[   35.514370]  [<ffffffff8149fe02>] ? handle_mm_fault+0x3f2/0x3190
[   35.520484]  [<ffffffff811326b0>] ? release_task+0x1240/0x1240
[   35.526428]  [<ffffffff81139398>] do_group_exit+0x108/0x320
[   35.532107]  [<ffffffff811395cd>] SyS_exit_group+0x1d/0x20
[   35.537699]  [<ffffffff811395b0>] ? do_group_exit+0x320/0x320
[   35.543556]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   35.549673]  [<ffffffff83777d6a>] sysenter_flags_fixed+0xd/0x17
[   35.555699] 
[   35.557296] Allocated by task 3331:
[   35.560889]  [<ffffffff81035df6>] save_stack_trace+0x26/0x50
[   35.566777]  [<ffffffff814fc9c3>] save_stack+0x43/0xd0
[   35.572143]  [<ffffffff814fcc8d>] kasan_kmalloc+0xad/0xe0
[   35.577767]  [<ffffffff814f8c00>] kmem_cache_alloc_trace+0x100/0x2b0
[   35.584347]  [<ffffffff82c7f541>] binder_get_thread+0x181/0x7a0
[   35.590493]  [<ffffffff82c7fbaa>] binder_poll+0x4a/0x210
[   35.596030]  [<ffffffff815fabe1>] SyS_epoll_ctl+0x10b1/0x2050
[   35.602000]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   35.608238]  [<ffffffff83777d6a>] sysenter_flags_fixed+0xd/0x17
[   35.614389] 
[   35.615986] Freed by task 3331:
[   35.619231]  [<ffffffff81035df6>] save_stack_trace+0x26/0x50
[   35.625117]  [<ffffffff814fc9c3>] save_stack+0x43/0xd0
[   35.630482]  [<ffffffff814fd2e2>] kasan_slab_free+0x72/0xc0
[   35.636278]  [<ffffffff814f9d6c>] kfree+0xfc/0x300
[   35.641295]  [<ffffffff82c78a91>] binder_thread_dec_tmpref+0x1c1/0x250
[   35.648052]  [<ffffffff82c795cd>] binder_thread_release+0x27d/0x540
[   35.654544]  [<ffffffff82c94234>] binder_ioctl+0xb94/0x12e0
[   35.660346]  [<ffffffff8161e61a>] compat_SyS_ioctl+0x28a/0x2540
[   35.666494]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   35.672737]  [<ffffffff83777d6a>] sysenter_flags_fixed+0xd/0x17
[   35.678883] 
[   35.680481] The buggy address belongs to the object at ffff8801d338aa00
[   35.680481]  which belongs to the cache kmalloc-512 of size 512
[   35.693115] The buggy address is located 184 bytes inside of
[   35.693115]  512-byte region [ffff8801d338aa00, ffff8801d338ac00)
[   35.704958] The buggy address belongs to the page:
[   36.706314] kasan: CONFIG_KASAN_INLINE enabled
[   36.710748] kasan: GPF could be caused by NULL-ptr deref or user memory accessINFO: trying to register non-static key.
[   36.722013] the code is fine but needs lockdep annotation.
[   36.727604] turning off the locking correctness validator.
[   36.733196] CPU: 0 PID: 3320 Comm: getty Not tainted 4.4.112-g52c02cf #23
[   36.740101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.749424]  0000000000000000 8e8cca36c3e6cdc4 ffff8800b444fa30 ffffffff81d056fd
[   36.757397]  ffffffff85152f20 0000000000000000 ffff8800b4958000 ffff8800b3241aa0
[   36.765358]  0000000000000000 ffff8800b444fa40 ffffffff8141a053 ffff8800b444fbe8
[   36.773318] Call Trace:
[   36.775884]  [<ffffffff81d056fd>] dump_stack+0xc1/0x124
[   36.781219]  [<ffffffff8141a053>] register_lock_class.part.26+0x32/0x36
[   36.787959]  [<ffffffff81239e49>] __lock_acquire+0x3a49/0x4b50
[   36.793901]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   36.800885]  [<ffffffff8122f131>] ? __lock_is_held+0xa1/0xf0
[   36.806651]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   36.813635]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   36.820615]  [<ffffffff81236400>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   36.827610]  [<ffffffff8123c7be>] lock_acquire+0x15e/0x460
[   36.833206]  [<ffffffff811583b4>] ? force_sig_info+0x54/0x300
[   36.839062]  [<ffffffff83775fce>] _raw_spin_lock_irqsave+0x4e/0x70
[   36.845351]  [<ffffffff811583b4>] ? force_sig_info+0x54/0x300
[   36.851203]  [<ffffffff811583b4>] force_sig_info+0x54/0x300
[   36.856883]  [<ffffffff837759ca>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[   36.863785]  [<ffffffff810da478>] force_sig_info_fault.constprop.20+0x158/0x1c0
[   36.871201]  [<ffffffff810daSeaBIOS (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: 0x0000000001427522
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-g52c02cf (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #23 SMP PREEMPT Fri Jan 19 08:57:28 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 1709597638 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
[    1.170842] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000)
[    1.172014] pid_max: default: 32768 minimum: 301
[    1.172728] ACPI: Core revision 20150930
[    1.242089] ACPI: 2 ACPI AML tables successfully acquired and loaded
[    1.243363] Security Framework initialized
[    1.243931] SELinux:  Initializing.
[    1.244582] AppArmor: AppArmor disabled by boot time parameter
[    1.245482] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    1.246456] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    1.250026] Initializing cgroup subsys io
[    1.250727] Initializing cgroup subsys freezer
[    1.251382] Initializing cgroup subsys hugetlb
[    1.252033] Initializing cgroup subsys debug
[    1.252866] CPU: Physical Processor ID: 0
[    1.254633] mce: CPU supports 32 MCE banks
[    1.255404] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    1.256233] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    1.259384] Freeing SMP alternatives memory: 44K
[    1.269070] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    1.380146] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    1.381862] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    1.470435] x86: Booting SMP configuration:
[    1.471141] .... node  #0, CPUs:      #1
[    1.472018] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock
[    1.476715] x86: Booted up 1 node, 2 CPUs
[    1.477337] smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
[    1.482087] devtmpfs: initialized
[    1.491464] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    1.492915] futex hash table entries: 512 (order: 4, 65536 bytes)
[    1.494583] xor: automatically using best checksumming function:
[    1.507770] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left
[    1.590137]    avx       : 21624.000 MB/sec
[    1.591305] RTC time: 11:38:35, date: 01/19/18
[    1.593652] NET: Registered protocol family 16
[    1.594749] schedtune: init normalization constants...
[    1.595467] schedtune: no energy model data
[    1.596061] schedtune: disabled!
[    1.630426] cpuidle: using governor ladder
[    1.660169] cpuidle: using governor menu
[    1.661462] ACPI: bus type PCI registered
[    1.662082] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    1.664883] PCI: Using configuration type 1 for base access
[    1.670216] kworker/u4:0 (39) used greatest stack depth: 27544 bytes left
[    1.675581] kworker/u4:0 (48) used greatest stack depth: 27224 bytes left
[    2.090103] raid6: sse2x1   gen()  4796 MB/s
[    2.260076] raid6: sse2x1   xor()  2458 MB/s
[    2.430057] raid6: sse2x2   gen()  7588 MB/s
[    2.600039] raid6: sse2x2   xor()  4294 MB/s
[    2.770017] raid6: sse2x4   gen()  9869 MB/s
[    2.939997] raid6: sse2x4   xor()  5682 MB/s
[    3.109971] raid6: avx2x1   gen()  9427 MB/s
[    3.279953] raid6: avx2x2   gen() 14719 MB/s
[    3.449936] raid6: avx2x4   gen() 19259 MB/s
[    3.450647] raid6: using algorithm avx2x4 gen() 19259 MB/s
[    3.451410] raid6: using avx2x2 recovery algorithm
[    3.452748] ACPI: Added _OSI(Module Device)
[    3.453382] ACPI: Added _OSI(Processor Device)
[    3.454013] ACPI: Added _OSI(3.0 _SCP Extensions)
[    3.454710] ACPI: Added _OSI(Processor Aggregator Device)
[    3.465077] ACPI: Executed 2 blocks of module-level executable AML code
[    3.539723] ACPI: Interpreter enabled
[    3.540701] ACPI: (supports S0 S3 S4 S5)
[    3.541284] ACPI: Using IOAPIC for interrupt routing
[    3.542524] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    3.745764] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    3.746830] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    3.748159] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    3.749144] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    3.774850] PCI host bridge to bus 0000:00
[    3.775499] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    3.776443] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    3.777430] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    3.778469] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    3.779508] pci_bus 0000:00: root bus resource [bus 00-ff]
[    3.814592] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
[    3.896679] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    3.902729] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    3.908591] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    3.914387] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    3.917861] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    3.930801] ACPI: Enabled 16 GPEs in block 00 to 0F
[    3.934152] vgaarb: loaded
[    3.937140] SCSI subsystem initialized
[    3.941596] ACPI: bus type USB registered
[    3.943341] usbcore: registered new interface driver usbfs
[    3.944959] usbcore: registered new interface driver hub
[    3.946367] usbcore: registered new device driver usb
[    3.948186] pps_core: LinuxPPS API ver. 1 registered
[    3.949043] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    3.950644] PTP clock support registered
[    3.953337] Advanced Linux Sound Architecture Driver Initialized.
[    3.954960] PCI: Using ACPI for IRQ routing
[    3.970142] NetLabel: Initializing
[    3.970745] NetLabel:  domain hash size = 128
[    3.971396] NetLabel:  protocols = UNLABELED CIPSOv4
[    3.972371] NetLabel:  unlabeled traffic allowed by default
[    3.974841] amd_nb: Cannot enumerate AMD northbridges
[    3.975721] clocksource: Switched to clocksource kvm-clock
[    4.133934] pnp: PnP ACPI init
[    4.156999] pnp: PnP ACPI: found 7 devices
[    4.170295] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    4.171885] NET: Registered protocol family 2
[    4.174368] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    4.176533] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
[    4.183758] TCP: Hash tables configured (established 65536 bind 65536)
[    4.185520] UDP hash table entries: 4096 (order: 7, 655360 bytes)
[    4.187273] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
[    4.190500] NET: Registered protocol family 1
[    4.191235] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    4.192952] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    4.193842] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff]
[    4.195801] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer
[    4.197065] hw unit of domain pp0-core 2^-0 Joules
[    4.197758] hw unit of domain package 2^-0 Joules
[    4.198443] hw unit of domain dram 2^-16 Joules
[    4.203857] Scanning for low memory corruption every 60 seconds
[    4.212421] audit: initializing netlink subsys (disabled)
[    4.213452] audit: type=2000 audit(1516361918.197:1): initialized
[    4.220568] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    4.348319] VFS: Disk quotas dquot_6.6.0
[    4.350036] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    4.371961] fuse init (API version 7.23)
[    4.375264] 9p: Installing v9fs 9p2000 file system support
[    4.391716] async_tx: api initialized (async)
[    4.393487] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    4.394820] io scheduler noop registered
[    4.395399] io scheduler deadline registered
[    4.397794] io scheduler cfq registered (default)
[    4.407301] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    4.410583] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[    4.411797] ACPI: Power Button [PWRF]
[    4.413490] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[    4.414554] ACPI: Sleep Button [SLPF]
[    4.437789] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[    4.438715] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    4.460194] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
[    4.461237] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    4.467723] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    4.490807] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    4.517748] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    4.543558] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[    4.568987] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[    4.577584] Non-volatile memory driver v1.3
[    4.579806] Linux agpgart interface v0.103
[    4.583044] [drm] Initialized drm 1.1.0 20060810
[    4.680707] brd: module loaded
[    4.728459] loop: module loaded
[    4.761858] nbd: registered device at major 43
[    4.897317] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101)
[    4.898826] drbd: built-in
[    4.899497] drbd: registered as block device major 147
[    4.925958] scsi host0: Virtio SCSI HBA
[    4.973706] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    5.186157] tsc: Refined TSC clocksource calibration: 2299.797 MHz
[    5.187952] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212675491f4, max_idle_ns: 440795258396 ns
[    5.613961] st: Version 20101219, fixed bufsize 32768, s/g segs 256
[    5.616348] osst :I: Tape driver with OnStream support version 0.99.4
[    5.616348] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
[    5.624157] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[    5.626737] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    5.627829] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    5.628120] SCSI Media Changer driver v0.25 
[    5.630735] tun: Universal TUN/TAP device driver, 1.6
[    5.632134] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    5.634321] sd 0:0:1:0: [sda] Write Protect is off
[    5.639244] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.661035]  sda: sda1
[    5.670072] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[    5.671835] e100: Copyright(c) 1999-2006 Intel Corporation
[    5.674000] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    5.676358] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    5.678502] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    5.680032] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    5.682084] sky2: driver version 1.30
[    5.682300] sd 0:0:1:0: [sda] Attached SCSI disk
[    5.685522] PPP generic driver version 2.4.2
[    5.687689] PPP BSD Compression module registered
[    5.688946] PPP Deflate Compression module registered
[    5.690362] PPP MPPE Compression module registered
[    5.691642] NET: Registered protocol family 24
[    5.693168] usbcore: registered new interface driver asix
[    5.694832] usbcore: registered new interface driver ax88179_178a
[    5.696697] usbcore: registered new interface driver cdc_ether
[    5.698363] usbcore: registered new interface driver net1080
[    5.700029] usbcore: registered new interface driver cdc_subset
[    5.701796] usbcore: registered new interface driver zaurus
[    5.703359] usbcore: registered new interface driver cdc_ncm
[    5.707345] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    5.709084] ehci-pci: EHCI PCI platform driver
[    5.710417] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.711982] ohci-pci: OHCI PCI platform driver
[    5.713407] uhci_hcd: USB Universal Host Controller Interface driver
[    5.717243] usbcore: registered new interface driver usblp
[    5.719033] usbcore: registered new interface driver usb-storage
[    5.721895] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    5.725304] i8042: Warning: Keylock active
[    5.728831] serio: i8042 KBD port at 0x60,0x64 irq 1
[    5.731238] serio: i8042 AUX port at 0x60,0x64 irq 12
[    5.735164] mousedev: PS/2 mouse device common for all mice
[    5.740262] usbcore: registered new interface driver xpad
[    5.741920] usbcore: registered new interface driver usb_acecad
[    5.743728] usbcore: registered new interface driver aiptek
[    5.745295] usbcore: registered new interface driver gtco
[    5.747029] usbcore: registered new interface driver hanwang
[    5.748583] usbcore: registered new interface driver kbtab
[    5.752377] rtc_cmos 00:00: RTC can wake from S4
[    5.755356] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[    5.757340] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[    5.760295] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[    5.764504] softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
[    5.767625] md: linear personality registered for level -1
[    5.769088] md: raid0 personality registered for level 0
[    5.770452] md: raid1 personality registered for level 1
[    5.771860] md: raid10 personality registered for level 10
[    5.774160] md: raid6 personality registered for level 6
[    5.775592] md: raid5 personality registered for level 5
[    5.776995] md: raid4 personality registered for level 4
[    5.778413] md: multipath personality registered for level -4
[    5.779961] md: faulty personality registered for level -5
[    5.785094] device-mapper: uevent: version 1.0.3
[    5.789644] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com
[    5.803564] device-mapper: multipath: version 1.10.0 loaded
[    5.805149] device-mapper: multipath round-robin: version 1.0.0 loaded
[    5.806896] device-mapper: multipath queue-length: version 0.1.0 loaded
[    5.808643] device-mapper: multipath service-time: version 0.2.0 loaded
[    5.812233] device-mapper: raid: Loading target version 1.7.0
[    5.816635] hidraw: raw HID events driver (C) Jiri Kosina
[    5.847390] usbcore: registered new interface driver usbhid
[    5.848953] usbhid: USB HID core driver
[    5.852570] ashmem: initialized
[    5.905041] oprofile: using timer interrupt.
[    5.906486] pktgen: Packet Generator for packet performance testing. Version: 2.75
[    5.919310] GACT probability on
[    5.920156] Mirror/redirect action on
[    5.921127] Simple TC action Loaded
[    5.925002] netem: version 1.3
[    5.925923] u32 classifier
[    5.926595]     Actions configured
[    5.927675] Netfilter messages via NETLINK v0.30.
[    5.929082] nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
[    5.934185] ctnetlink v0.93: registering with nfnetlink.
[    5.937885] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[    5.938459] nf_tables: (c) 2007-2009 Patrick McHardy <kaber@trash.net>
[    5.947329] xt_time: kernel timezone is -0000
[    5.949159] IPVS: Registered protocols (TCP, UDP, AH, ESP)
[    5.952058] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[    5.954326] IPVS: Creating netns size=2552 id=0
[    5.955498] IPVS: ipvs loaded.
[    5.956968] IPVS: [rr] scheduler registered.
[    5.958118] IPVS: [wrr] scheduler registered.
[    5.959276] IPVS: [lc] scheduler registered.
[    5.960417] IPVS: [wlc] scheduler registered.
[    5.961609] IPVS: [lblc] scheduler registered.
[    5.962818] IPVS: [lblcr] scheduler registered.
[    5.964050] IPVS: [dh] scheduler registered.
[    5.965062] IPVS: [sh] scheduler registered.
[    5.966228] IPVS: [sed] scheduler registered.
[    5.967431] IPVS: [nq] scheduler registered.
[    5.968683] ipip: IPv4 over IPv4 tunneling driver
[    5.974086] ip_tables: (C) 2000-2006 Netfilter Core Team
[    5.976879] arp_tables: (C) 2002 David S. Miller
[    5.978407] Initializing XFRM netlink socket
[    5.986421] NET: Registered protocol family 10
[    6.005557] mip6: Mobile IPv6
[    6.006561] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    6.009597] sit: IPv6 over IPv4 tunneling driver
[    6.014242] NET: Registered protocol family 17
[    6.015554] NET: Registered protocol family 15
[    6.017131] l2tp_core: L2TP core driver, V2.0
[    6.018255] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[    6.019543] 9pnet: Installing 9P2000 support
[    6.021119] Key type dns_resolver registered
[    6.027799] microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1
[    6.029271] microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1
[    6.031467] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    6.033961] AVX2 version of gcm_enc/dec engaged.
[    6.035167] AES CTR mode by8 optimization enabled
[    6.044174] registered taskstats version 1
[    6.076372] Btrfs loaded
[    6.079181]   Magic number: 2:144:631
[    6.080353] console [netcon0] enabled
[    6.081227] netconsole: network logging started
[    6.083455] ALSA device list:
[    6.084185]   No soundcards found.
[    6.086787] md: Waiting for all devices to be available before autodetect
[    6.087710] md: If you don't use raid, use raid=noautodetect
[    6.105164] md: Autodetecting RAID arrays.
[    6.105928] md: Scanned 0 and added 0 devices.
[    6.106670] md: autorun ...
[    6.107417] md: ... autorun DONE.
[    6.137073] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities
[    6.141124] EXT4-fs (sda1): INFO: recovery required on readonly filesystem
[    6.142120] EXT4-fs (sda1): write access will be enabled during recovery