[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.656039] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.507054] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [ 19.748825] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.541376] random: sshd: uninitialized urandom read (32 bytes read, 102 bits of entropy available) [ 20.690005] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available) Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. [ 32.081986] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) executing program [ 32.175335] ================================================================== [ 32.182748] BUG: KASAN: use-after-free in ip6_xmit+0x1a2c/0x1a70 [ 32.188872] Read of size 8 at addr ffff8800b15883d8 by task syzkaller932080/3788 [ 32.196377] [ 32.197984] CPU: 1 PID: 3788 Comm: syzkaller932080 Not tainted 4.4.115-g6b8924e #10 [ 32.205751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.215082] 0000000000000000 a307dcc2f22147a4 ffff8801d98bf728 ffffffff81d03dad [ 32.223080] ffffea0002c56200 ffff8800b15883d8 0000000000000000 ffff8800b15883d8 [ 32.231069] 0000000000000040 ffff8801d98bf760 ffffffff814fe1e3 ffff8800b15883d8 [ 32.239057] Call Trace: [ 32.241624] [] dump_stack+0xc1/0x124 [ 32.246968] [] print_address_description+0x73/0x260 [ 32.253614] [] kasan_report+0x285/0x370 [ 32.259215] [] ? ip6_xmit+0x1a2c/0x1a70 [ 32.264815] [] __asan_report_load8_noabort+0x14/0x20 [ 32.271541] [] ip6_xmit+0x1a2c/0x1a70 [ 32.276971] [] ? kfree+0xfc/0x300 [ 32.282062] [] ? pskb_expand_head+0x28b/0x980 [ 32.288189] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 32.294058] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 32.300529] [] ? inet6_csk_route_socket+0x4d6/0xc50 [ 32.307183] [] ? ipv4_dst_check+0x111/0x160 [ 32.313134] [] ? __sk_dst_check+0x148/0x260 [ 32.319080] [] inet6_csk_xmit+0x246/0x480 [ 32.324850] [] ? inet6_csk_xmit+0x100/0x480 [ 32.330795] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 32.337350] [] ? udp6_set_csum+0x336/0xa80 [ 32.343212] [] l2tp_xmit_skb+0xc2f/0xea0 [ 32.348896] [] pppol2tp_sendmsg+0x584/0x7f0 [ 32.354843] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 32.361308] [] ? pppol2tp_release+0x310/0x310 [ 32.367426] [] sock_sendmsg+0xca/0x110 [ 32.372933] [] sock_write_iter+0x226/0x3b0 [ 32.378790] [] ? avc_has_perm_noaudit+0x460/0x460 [ 32.385251] [] ? sock_sendmsg+0x110/0x110 [ 32.391035] [] ? __lru_cache_add+0x164/0x240 [ 32.397084] [] ? iov_iter_init+0xaf/0x1d0 [ 32.402955] [] __vfs_write+0x33c/0x450 [ 32.408463] [] ? __vfs_read+0x440/0x440 [ 32.414059] [] ? handle_mm_fault+0x3f2/0x3190 [ 32.420176] [] ? selinux_file_permission+0x348/0x460 [ 32.426921] [] ? rw_verify_area+0x100/0x2f0 [ 32.432863] [] vfs_write+0x18a/0x530 [ 32.438196] [] SyS_write+0xd9/0x1b0 [ 32.443443] [] ? SyS_read+0x1b0/0x1b0 [ 32.448865] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 32.455433] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.461979] [ 32.463579] Allocated by task 3764: [ 32.467172] [] save_stack_trace+0x26/0x50 [ 32.473058] [] save_stack+0x43/0xd0 [ 32.478424] [] kasan_kmalloc+0xad/0xe0 [ 32.484048] [] kasan_slab_alloc+0x12/0x20 [ 32.489933] [] kmem_cache_alloc+0xba/0x290 [ 32.495920] [] dst_alloc+0x11f/0x1a0 [ 32.501372] [] rt_dst_alloc+0x78/0x430 [ 32.507003] [] __ip_route_output_key_hash+0xa4e/0x2390 [ 32.514038] [] __ip4_datagram_connect+0xa15/0x1150 [ 32.520711] [] __ip6_datagram_connect+0x4d9/0x1950 [ 32.527829] [] ip6_datagram_connect+0x2f/0x50 [ 32.534068] [] inet_dgram_connect+0x16b/0x1f0 [ 32.540305] [] SYSC_connect+0x1b6/0x310 [ 32.546019] [] SyS_connect+0x24/0x30 [ 32.551469] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.558133] [ 32.559736] Freed by task 0: [ 32.562721] [] save_stack_trace+0x26/0x50 [ 32.568609] [] save_stack+0x43/0xd0 [ 32.573978] [] kasan_slab_free+0x72/0xc0 [ 32.579772] [] kmem_cache_free+0xc7/0x320 [ 32.585653] [] dst_destroy+0x20e/0x330 [ 32.591273] [] dst_destroy_rcu+0x15/0x40 [ 32.597067] [] rcu_process_callbacks+0x7f4/0x14a0 [ 32.603646] [] __do_softirq+0x227/0xa38 [ 32.609354] [ 32.610964] The buggy address belongs to the object at ffff8800b15883c0 [ 32.610964] which belongs to the cache ip_dst_cache of size 208 [ 32.623672] The buggy address is located 24 bytes inside of [ 32.623672] 208-byte region [ffff8800b15883c0, ffff8800b1588490) [ 32.635423] The buggy address belongs to the page: SeaBIOS (version 1.8.2-20171012_061934-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 256 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 0x000f2850: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039c926e input_len: 0x000000000142674d 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 4.4.115-g6b8924e (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #10 SMP PREEMPT Thu Feb 8 01:27:57 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 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] 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 = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f28d0-0x000f28df] mapped at [ffff8800000f28d0] [ 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 0x00000000000F2890 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 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 1798200619 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 0x0000000000100000-0x00000000bfff2fff] [ 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 0xbfff3000-0xbfffffff] [ 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: 1935227 [ 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: 6581404K/7863876K available (40424K kernel code, 6135K rwdata, 8816K 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 [ 1.168695] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.169846] pid_max: default: 32768 minimum: 301 [ 1.170560] ACPI: Core revision 20150930 [ 1.576382] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.578338] Security Framework initialized [ 1.578909] SELinux: Initializing. [ 1.579560] AppArmor: AppArmor disabled by boot time parameter [ 1.580455] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.581382] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.584906] Initializing cgroup subsys io [ 1.585504] Initializing cgroup subsys freezer [ 1.586147] Initializing cgroup subsys hugetlb [ 1.586770] Initializing cgroup subsys debug [ 1.587531] CPU: Physical Processor ID: 0 [ 1.589444] mce: CPU supports 32 MCE banks [ 1.590188] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.591015] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.591970] Spectre V2 mitigation: Vulnerable: Minimal generic ASM retpoline [ 1.595215] Freeing SMP alternatives memory: 44K [ 1.605033] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.718044] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.719574] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.808303] x86: Booting SMP configuration: [ 1.809001] .... node #0, CPUs: #1 [ 1.809773] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.814399] x86: Booted up 1 node, 2 CPUs [ 1.814980] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.819473] devtmpfs: initialized [ 1.828520] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.829878] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.831465] xor: automatically using best checksumming function: [ 1.835125] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.928065] avx : 22065.600 MB/sec [ 1.929101] RTC time: 10:06:50, date: 02/09/18 [ 1.931313] NET: Registered protocol family 16 [ 1.932419] schedtune: init normalization constants... [ 1.933130] schedtune: no energy model data [ 1.933705] schedtune: disabled! [ 1.958320] cpuidle: using governor ladder [ 1.988104] cpuidle: using governor menu [ 1.989353] ACPI: bus type PCI registered [ 1.989930] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.992253] PCI: Using configuration type 1 for base access [ 2.003305] kworker/u4:1 (56) used greatest stack depth: 27448 bytes left [ 2.348083] raid6: sse2x1 gen() 4694 MB/s [ 2.518038] raid6: sse2x1 xor() 2475 MB/s [ 2.688016] raid6: sse2x2 gen() 7559 MB/s [ 2.857995] raid6: sse2x2 xor() 4355 MB/s [ 3.027984] raid6: sse2x4 gen() 9877 MB/s [ 3.197975] raid6: sse2x4 xor() 5667 MB/s [ 3.367971] raid6: avx2x1 gen() 9401 MB/s [ 3.537952] raid6: avx2x2 gen() 14640 MB/s [ 3.707941] raid6: avx2x4 gen() 19210 MB/s [ 3.708600] raid6: using algorithm avx2x4 gen() 19210 MB/s [ 3.709341] raid6: using avx2x2 recovery algorithm [ 3.710544] ACPI: Added _OSI(Module Device) [ 3.711128] ACPI: Added _OSI(Processor Device) [ 3.711752] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.712410] ACPI: Added _OSI(Processor Aggregator Device) [ 3.737853] ACPI: Executed 2 blocks of module-level executable AML code [ 4.617951] ACPI: Interpreter enabled [ 4.618968] ACPI: (supports S0 S3 S4 S5) [ 4.619549] ACPI: Using IOAPIC for interrupt routing [ 4.620716] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.736460] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.737433] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.738753] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.739738] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.764900] PCI host bridge to bus 0000:00 [ 5.765541] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.766495] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.767434] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.768623] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.769646] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.804360] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.879359] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.884845] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.890316] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.895624] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.898935] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.430259] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.433736] vgaarb: loaded [ 6.436784] SCSI subsystem initialized [ 6.449478] ACPI: bus type USB registered [ 6.451788] usbcore: registered new interface driver usbfs [ 6.453290] usbcore: registered new interface driver hub [ 6.454561] usbcore: registered new device driver usb [ 6.456829] pps_core: LinuxPPS API ver. 1 registered [ 6.458053] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.459433] PTP clock support registered [ 6.461328] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.462321] dmi: Firmware registration failed. [ 6.463772] Advanced Linux Sound Architecture Driver Initialized. [ 6.465514] PCI: Using ACPI for IRQ routing [ 6.477995] NetLabel: Initializing [ 6.478501] NetLabel: domain hash size = 128 [ 6.479108] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.480068] NetLabel: unlabeled traffic allowed by default [ 6.482596] amd_nb: Cannot enumerate AMD northbridges [ 6.483426] clocksource: Switched to clocksource kvm-clock [ 6.639462] pnp: PnP ACPI init [ 6.661271] pnp: PnP ACPI: found 7 devices [ 6.674540] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.676205] NET: Registered protocol family 2 [ 6.678619] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.680164] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.687443] TCP: Hash tables configured (established 65536 bind 65536) [ 6.688576] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.690136] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.693332] NET: Registered protocol family 1 [ 6.694595] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.696282] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.697175] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.699088] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.700290] hw unit of domain pp0-core 2^-0 Joules [ 6.700942] hw unit of domain package 2^-0 Joules [ 6.701582] hw unit of domain dram 2^-16 Joules [ 6.707213] Scanning for low memory corruption every 60 seconds [ 6.716677] audit: initializing netlink subsys (disabled) [ 6.717684] audit: type=2000 audit(1518170815.382:1): initialized [ 6.724642] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.851750] VFS: Disk quotas dquot_6.6.0 [ 6.853269] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.875034] fuse init (API version 7.23) [ 6.878272] 9p: Installing v9fs 9p2000 file system support [ 6.892425] async_tx: api initialized (async) [ 6.894234] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 6.895652] io scheduler noop registered [ 6.896210] io scheduler deadline registered [ 6.898543] io scheduler cfq registered (default) [ 6.908992] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 6.912693] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.913942] ACPI: Power Button [PWRF] [ 6.915599] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.916703] ACPI: Sleep Button [SLPF] [ 6.940508] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.941393] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.961560] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 6.962464] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.969935] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.992713] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.018271] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.042966] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.067814] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.076298] Non-volatile memory driver v1.3 [ 7.078385] Linux agpgart interface v0.103 [ 7.082088] [drm] Initialized drm 1.1.0 20060810 [ 7.178818] brd: module loaded [ 7.234596] loop: module loaded [ 7.268624] nbd: registered device at major 43 [ 7.400352] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 7.401756] drbd: built-in [ 7.402467] drbd: registered as block device major 147 [ 7.429811] scsi host0: Virtio SCSI HBA [ 7.466464] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6