[ 16.365754] random: sshd: uninitialized urandom read (32 bytes read, 32 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: [ 20.451415] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 20.789920] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 21.818494] random: sshd: uninitialized urandom read (32 bytes read, 127 bits of entropy available) [ 21.925507] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.543522] ================================================================== [ 27.550912] BUG: KASAN: use-after-free in pppol2tp_session_destruct+0xee/0x110 [ 27.558243] Read of size 4 at addr ffff8800b6503900 by task syzkaller063826/3314 [ 27.565745] [ 27.567346] CPU: 1 PID: 3314 Comm: syzkaller063826 Not tainted 4.4.113-gef588ef #26 [ 27.575117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.584441] 0000000000000000 21069fd23a5ff231 ffff8801d23cfc20 ffffffff81d0278d [ 27.592417] ffffea0002d94080 ffff8800b6503900 0000000000000000 ffff8800b6503900 [ 27.600385] ffffffff82de6370 ffff8801d23cfc58 ffffffff814fd053 ffff8800b6503900 [ 27.608349] Call Trace: [ 27.610910] [] dump_stack+0xc1/0x124 [ 27.616245] [] ? sock_release+0x1e0/0x1e0 [ 27.622017] [] print_address_description+0x73/0x260 [ 27.628653] [] ? sock_release+0x1e0/0x1e0 [ 27.634421] [] kasan_report+0x285/0x370 [ 27.640018] [] ? pppol2tp_session_destruct+0xee/0x110 [ 27.646825] [] __asan_report_load4_noabort+0x14/0x20 [ 27.653548] [] pppol2tp_session_destruct+0xee/0x110 [ 27.660196] [] ? pppol2tp_seq_start+0x4e0/0x4e0 [ 27.666489] [] sk_destruct+0x4a/0x4c0 [ 27.671907] [] __sk_free+0x57/0x230 [ 27.677151] [] sk_free+0x30/0x40 [ 27.682147] [] pppol2tp_release+0x27a/0x310 [ 27.688088] [] sock_release+0x8d/0x1e0 [ 27.693597] [] sock_close+0x16/0x20 [ 27.698854] [] __fput+0x233/0x6d0 [ 27.703924] [] ____fput+0x15/0x20 [ 27.709000] [] task_work_run+0x104/0x180 [ 27.714681] [] exit_to_usermode_loop+0x13d/0x160 [ 27.721055] [] do_fast_syscall_32+0x607/0x890 [ 27.727174] [] sysenter_flags_fixed+0xd/0x17 [ 27.733200] [ 27.734798] Allocated by task 3313: [ 27.738402] [] save_stack_trace+0x26/0x50 [ 27.744307] [] save_stack+0x43/0xd0 [ 27.749689] [] kasan_kmalloc+0xad/0xe0 [ 27.755325] [] __kmalloc+0x124/0x320 [ 27.760775] [] l2tp_session_create+0x39/0x10f0 [ 27.767102] [] pppol2tp_connect+0x10fc/0x1930 [ 27.773337] [] SYSC_connect+0x1b6/0x310 [ 27.779057] [] SyS_connect+0x24/0x30 [ 27.784511] [] do_fast_syscall_32+0x314/0x890 [ 27.790767] [] sysenter_flags_fixed+0xd/0x17 [ 27.796921] [ 27.798523] Freed by task 3313: [ 27.801768] [] save_stack_trace+0x26/0x50 [ 27.807658] [] save_stack+0x43/0xd0 [ 27.813041] [] kasan_slab_free+0x72/0xc0 [ 27.818841] [] kfree+0xfc/0x300 [ 27.823864] [] l2tp_session_free+0x170/0x200 [ 27.830014] [] l2tp_tunnel_closeall+0x2d1/0x3b0 [ 27.836427] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 27.842833] [] udpv6_destroy_sock+0xb1/0xd0 [ 27.848913] [] sk_common_release+0x6b/0x300 [ 27.854974] [] udp_lib_close+0x15/0x20 [ 27.860598] [] inet_release+0xfa/0x1d0 [ 27.866226] [] inet6_release+0x50/0x70 [ 27.871855] [] sock_release+0x8d/0x1e0 [ 27.877481] [] sock_close+0x16/0x20 [ 27.882846] [] __fput+0x233/0x6d0 [ 27.888035] [] ____fput+0x15/0x20 [ 27.893229] [] task_work_run+0x104/0x180 [ 27.899027] [] exit_to_usermode_loop+0x13d/0x160 [ 27.905519] [] do_fast_syscall_32+0x607/0x890 [ 27.911750] [] sysenter_flags_fixed+0xd/0x17 [ 27.917895] [ 27.919495] The buggy address belongs to the object at ffff8800b6503900 [ 27.919495] which belongs to the cache kmalloc-512 of size 512 [ 27.932121] The buggy address is located 0 bytes inside of [ 27.932121] 512-byte region [ffff8800b6503900, ffff8800b6503b00) [ 27.943792] 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: 0x00000000039ca26e input_len: 0x0000000001424969 output: 0x0000000001000000 output_len: 0x0000000003ddaa40 run_size: 0x0000000005510000 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 4.4.113-gef588ef (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #26 SMP PREEMPT Tue Jan 23 20:27:57 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 1951515489 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: 6581444K/7863916K available (40414K kernel code, 6135K rwdata, 8812K rodata, 1852K init, 23616K bss, 1282472K 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 [ 1.128040] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.129223] pid_max: default: 32768 minimum: 301 [ 1.138799] ACPI: Core revision 20150930 [ 1.209683] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.210920] Security Framework initialized [ 1.211500] SELinux: Initializing. [ 1.212154] AppArmor: AppArmor disabled by boot time parameter [ 1.213054] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.213997] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.217707] Initializing cgroup subsys io [ 1.218318] Initializing cgroup subsys freezer [ 1.218980] Initializing cgroup subsys hugetlb [ 1.219609] Initializing cgroup subsys debug [ 1.220373] CPU: Physical Processor ID: 0 [ 1.222150] mce: CPU supports 32 MCE banks [ 1.222889] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.223717] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.224621] Spectre V2 mitigation: Vulnerable: Minimal generic ASM retpoline [ 1.227880] Freeing SMP alternatives memory: 44K [ 1.237224] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.357344] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.358967] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.447581] x86: Booting SMP configuration: [ 1.448250] .... node #0, CPUs: #1 [ 1.449115] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.453744] x86: Booted up 1 node, 2 CPUs [ 1.454348] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.458813] devtmpfs: initialized [ 1.468150] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.469515] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.471162] xor: automatically using best checksumming function: [ 1.474651] kworker/u4:0 (21) used greatest stack depth: 27512 bytes left [ 1.567335] avx : 20873.200 MB/sec [ 1.568607] RTC time: 23:30:09, date: 01/23/18 [ 1.570904] NET: Registered protocol family 16 [ 1.572005] schedtune: init normalization constants... [ 1.572724] schedtune: no energy model data [ 1.573316] schedtune: disabled! [ 1.607618] cpuidle: using governor ladder [ 1.637371] cpuidle: using governor menu [ 1.638667] ACPI: bus type PCI registered [ 1.639244] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.642159] PCI: Using configuration type 1 for base access [ 2.067341] raid6: sse2x1 gen() 4746 MB/s [ 2.237259] raid6: sse2x1 xor() 2366 MB/s [ 2.407245] raid6: sse2x2 gen() 6929 MB/s [ 2.577219] raid6: sse2x2 xor() 3962 MB/s [ 2.747201] raid6: sse2x4 gen() 8508 MB/s [ 2.917190] raid6: sse2x4 xor() 5191 MB/s [ 3.087163] raid6: avx2x1 gen() 9246 MB/s [ 3.257139] raid6: avx2x2 gen() 14419 MB/s [ 3.427119] raid6: avx2x4 gen() 18913 MB/s [ 3.427866] raid6: using algorithm avx2x4 gen() 18913 MB/s [ 3.428672] raid6: using avx2x2 recovery algorithm [ 3.429971] ACPI: Added _OSI(Module Device) [ 3.430623] ACPI: Added _OSI(Processor Device) [ 3.431251] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.431959] ACPI: Added _OSI(Processor Aggregator Device) [ 3.442730] ACPI: Executed 2 blocks of module-level executable AML code [ 3.518923] ACPI: Interpreter enabled [ 3.519842] ACPI: (supports S0 S3 S4 S5) [ 3.520410] ACPI: Using IOAPIC for interrupt routing [ 3.521597] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.730136] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.731230] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.732595] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.733657] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.759713] PCI host bridge to bus 0000:00 [ 3.760342] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.761297] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.762274] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.763329] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.764482] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.799785] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.878759] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.884909] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.890604] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.896323] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.899740] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.913400] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.916908] vgaarb: loaded [ 3.920117] SCSI subsystem initialized [ 3.935047] ACPI: bus type USB registered [ 3.937030] usbcore: registered new interface driver usbfs [ 3.938257] usbcore: registered new interface driver hub [ 3.939305] usbcore: registered new device driver usb [ 3.941570] pps_core: LinuxPPS API ver. 1 registered [ 3.942432] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.943847] PTP clock support registered [ 3.954822] Advanced Linux Sound Architecture Driver Initialized. [ 3.956426] PCI: Using ACPI for IRQ routing [ 3.963845] NetLabel: Initializing [ 3.964368] NetLabel: domain hash size = 128 [ 3.964983] NetLabel: protocols = UNLABELED CIPSOv4 [ 3.965970] NetLabel: unlabeled traffic allowed by default [ 3.968439] amd_nb: Cannot enumerate AMD northbridges [ 3.969396] clocksource: Switched to clocksource kvm-clock [ 4.129461] pnp: PnP ACPI init [ 4.152367] pnp: PnP ACPI: found 7 devices [ 4.165861] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.167435] NET: Registered protocol family 2 [ 4.170193] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.171747] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.178920] TCP: Hash tables configured (established 65536 bind 65536) [ 4.180270] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.182502] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.185087] NET: Registered protocol family 1 [ 4.185823] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.187544] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.188416] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.190338] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.191578] hw unit of domain pp0-core 2^-0 Joules [ 4.192232] hw unit of domain package 2^-0 Joules [ 4.192873] hw unit of domain dram 2^-16 Joules [ 4.198975] Scanning for low memory corruption every 60 seconds [ 4.207152] audit: initializing netlink subsys (disabled) [ 4.208217] audit: type=2000 audit(1516750212.459:1): initialized [ 4.215483] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.345063] VFS: Disk quotas dquot_6.6.0 [ 4.346587] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.368588] fuse init (API version 7.23) [ 4.371945] 9p: Installing v9fs 9p2000 file system support [ 4.387390] async_tx: api initialized (async) [ 4.389213] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.390344] io scheduler noop registered [ 4.390924] io scheduler deadline registered [ 4.393274] io scheduler cfq registered (default) [ 4.402752] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.406026] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.407114] ACPI: Power Button [PWRF] [ 4.408806] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.409960] ACPI: Sleep Button [SLPF] [ 4.433894] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.434798] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.455595] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.456653] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.464651] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.487570] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.513071] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.538263] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.562940] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.570863] Non-volatile memory driver v1.3 [ 4.573182] Linux agpgart interface v0.103 [ 4.576346] [drm] Initialized drm 1.1.0 20060810 [ 4.675243] brd: module loaded [ 4.754139] loop: module loaded [ 4.778761] nbd: registered device at major 43 [ 4.924301] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 4.926031] drbd: built-in [ 4.926503] drbd: registered as block device major 147 [ 4.963100] scsi host0: Virtio SCSI HBA [ 4.999704] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.189720] tsc: Refined TSC clocksource calibration: 2299.802 MHz [ 5.191266] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267a1d6e0, max_idle_ns: 440795287755 ns [ 5.654889] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.656555] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.656555] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.664431] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.666297] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.668150] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.669978] sd 0:0:1:0: [sda] Write Protect is off [ 5.670284] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.674015] SCSI Media Changer driver v0.25 [ 5.678400] tun: Universal TUN/TAP device driver, 1.6 [ 5.680311] tun: (C) 1999-2004 Max Krasnyansky [ 5.680536] kworker/u4:2 (1310) used greatest stack depth: 27144 bytes left [ 5.704828] sda: sda1 [ 5.708105] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 5.710020] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.711899] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 5.713573] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.715559] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 5.717003] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.719144] sky2: driver version 1.30 [ 5.720340] sd 0:0:1:0: [sda] Attached SCSI disk [ 5.721339] PPP generic driver version 2.4.2 [ 5.723652] PPP BSD Compression module registered [ 5.724921] PPP Deflate Compression module registered [ 5.726306] PPP MPPE Compression module registered [ 5.727498] NET: Registered protocol family 24 [ 5.729011] usbcore: registered new interface driver asix [ 5.730751] usbcore: registered new interface driver ax88179_178a [ 5.732551] usbcore: registered new interface driver cdc_ether [ 5.734259] usbcore: registered new interface driver net1080 [ 5.735926] usbcore: registered new interface driver cdc_subset [ 5.737676] usbcore: registered new interface driver zaurus [ 5.739228] usbcore: registered new interface driver cdc_ncm [ 5.742366] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.744021] ehci-pci: EHCI PCI platform driver [ 5.744698] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.746314] ohci-pci: OHCI PCI platform driver [ 5.747687] uhci_hcd: USB Universal Host Controller Interface driver [ 5.751703] usbcore: registered new interface driver usblp [ 5.753469] usbcore: registered new interface driver usb-storage [ 5.756447] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 5.760131] i8042: Warning: Keylock active [ 5.762326] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.764894] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 5.768732] mousedev: PS/2 mouse device common for all mice [ 5.773629] usbcore: registered new interface driver xpad [ 5.775252] usbcore: registered new interface driver usb_acecad [ 5.776992] usbcore: registered new interface driver aiptek [ 5.778519] usbcore: registered new interface driver gtco [ 5.780159] usbcore: registered new interface driver hanwang [ 5.781827] usbcore: registered new interface driver kbtab [ 5.785062] rtc_cmos 00:00: RTC can wake from S4 [ 5.787916] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 5.789858] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 5.792747] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 5.796327] softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0) [ 5.798789] md: linear personality registered for level -1 [ 5.800284] md: raid0 personality registered for level 0 [ 5.801645] md: raid1 personality registered for level 1 [ 5.803014] md: raid10 personality registered for level 10 [ 5.815299] md: raid6 personality registered for level 6 [ 5.816251] md: raid5 personality registered for level 5 [ 5.817442] md: raid4 personality registered for level 4 [ 5.818836] md: multipath personality registered for level -4 [ 5.820384] md: faulty personality registered for level -5 [ 5.825433] device-mapper: uevent: version 1.0.3 [ 5.829983] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 5.853947] device-mapper: multipath: version 1.10.0 loaded [ 5.855459] device-mapper: multipath round-robin: version 1.0.0 loaded [ 5.857170] device-mapper: multipath queue-length: version 0.1.0 loaded [ 5.858641] device-mapper: multipath service-time: version 0.2.0 loaded [ 5.861909] device-mapper: raid: Loading target version 1.7.0 [ 5.866093] hidraw: raw HID events driver (C) Jiri Kosina [ 5.895188] usbcore: registered new interface driver usbhid [ 5.896619] usbhid: USB HID core driver [ 5.900489] ashmem: initialized [ 5.953277] oprofile: using timer interrupt. [ 5.954494] pktgen: Packet Generator for packet performance testing. Version: 2.75 [ 5.956979] GACT probability on [ 5.957585] Mirror/redirect action on [ 5.958538] Simple TC action Loaded [ 5.963335] netem: version 1.3 [ 5.963938] u32 classifier [ 5.964632] Actions configured [ 5.965513] Netfilter messages via NETLINK v0.30. [ 5.966559] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) [ 5.972747] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.974859] ctnetlink v0.93: registering with nfnetlink. [ 5.975528] nf_tables: (c) 2007-2009 Patrick McHardy [ 5.985518] xt_time: kernel timezone is -0000 [ 5.986691] IPVS: Registered protocols (TCP, UDP, AH, ESP) [ 5.988609] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 5.991480] IPVS: Creating netns size=2552 id=0 [ 5.992809] IPVS: ipvs loaded. [ 5.993605] IPVS: [rr] scheduler registered. [ 5.994634] IPVS: [wrr] scheduler registered. [ 5.995787] IPVS: [lc] scheduler registered. [ 5.996933] IPVS: [wlc] scheduler registered. [ 5.997936] IPVS: [lblc] scheduler registered. [ 5.998927] IPVS: [lblcr] scheduler registered. [ 6.000649] IPVS: [dh] scheduler registered. [ 6.001836] IPVS: [sh] scheduler registered. [ 6.002884] IPVS: [sed] scheduler registered. [ 6.004045] IPVS: [nq] scheduler registered. [ 6.005226] ipip: IPv4 over IPv4 tunneling driver [ 6.010689] ip_tables: (C) 2000-2006 Netfilter Core Team [ 6.012744] arp_tables: (C) 2002 David S. Miller [ 6.014287] Initializing XFRM netlink socket [ 6.023421] NET: Registered protocol family 10 [ 6.043721] mip6: Mobile IPv6 [ 6.044628] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 6.047462] sit: IPv6 over IPv4 tunneling driver [ 6.052346] NET: Registered protocol family 17 [ 6.053195] NET: Registered protocol family 15 [ 6.054496] l2tp_core: L2TP core driver, V2.0 [ 6.055604] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 6.056824] 9pnet: Installing 9P2000 support [ 6.058388] Key type dns_resolver registered [ 6.065489] microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1 [ 6.066861] microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1 [ 6.068968] microcode: Microcode Update Driver: v2.01 , Peter Oruba [ 6.071624] AVX2 version of gcm_enc/dec engaged. [ 6.072429] AES CTR mode by8 optimization enabled [ 6.080641] registered taskstats version 1 [ 6.113863] Btrfs loaded [ 6.126625] Magic number: 2:616:555 [ 6.128016] console [netcon0] enabled [ 6.129593] netconsole: network logging started [ 6.131946] ALSA device list: [ 6.132721] No soundcards found. [ 6.134945] md: Waiting for all devices to be available before autodetect [ 6.135927] md: If you don't use raid, use raid=noautodetect [ 6.143219] md: Autodetecting RAID arrays. [ 6.143811] md: Scanned 0 and added 0 devices. [ 6.144452] md: autorun ... [ 6.144885] md: ... autorun DONE. [ 6.157913] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities [ 6.187322] EXT4-fs (sda1): INFO: recovery required on readonly filesystem [ 6.188341] EXT4-fs (sda1): write access will be enabled during recovery [ 6.352042] EXT4-fs (sda1): recovery complete [ 6.355427] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 6.356714] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 6.358811] devtmpfs: mounted [ 6.364854] Freeing unused kernel memory: 1852K [ 6.365506] Kernel memory protection disabled.