[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.619509] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.250032] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 25.893141] random: sshd: uninitialized urandom read (32 bytes read, 41 bits of entropy available) [ 26.876196] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) [ 27.360447] random: sshd: uninitialized urandom read (32 bytes read, 122 bits of entropy available) Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. [ 32.693461] random: nonblocking pool is initialized executing program [ 32.793002] ================================================================== [ 32.800381] BUG: KASAN: use-after-free in ip6_xmit+0x1a2c/0x1a70 [ 32.806496] Read of size 8 at addr ffff8800afbfb798 by task syzkaller627234/3793 [ 32.814005] [ 32.815605] CPU: 1 PID: 3793 Comm: syzkaller627234 Not tainted 4.4.120-gd63fdf6 #28 [ 32.823366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.832692] 0000000000000000 62833b2ad0dfa1d8 ffff8800b5b3f6a8 ffffffff81d0408d [ 32.840658] ffffea0002befec0 ffff8800afbfb798 0000000000000000 ffff8800afbfb798 [ 32.848619] 0000000000000040 ffff8800b5b3f6e0 ffffffff814fe143 ffff8800afbfb798 [ 32.856589] Call Trace: [ 32.859156] [] dump_stack+0xc1/0x124 [ 32.864500] [] print_address_description+0x73/0x260 [ 32.871133] [] kasan_report+0x285/0x370 [ 32.876727] [] ? ip6_xmit+0x1a2c/0x1a70 [ 32.882318] [] __asan_report_load8_noabort+0x14/0x20 [ 32.889037] [] ip6_xmit+0x1a2c/0x1a70 [ 32.894459] [] ? save_trace+0xe0/0x270 [ 32.899968] [] ? pskb_expand_head+0x28b/0x980 [ 32.906083] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 32.912544] [] ? __lock_is_held+0xa1/0xf0 [ 32.918312] [] ? ipv4_dst_check+0x111/0x160 [ 32.924253] [] ? __sk_dst_check+0x148/0x260 [ 32.930192] [] inet6_csk_xmit+0x246/0x480 [ 32.935956] [] ? inet6_csk_xmit+0x100/0x480 [ 32.941906] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 32.948453] [] ? udp6_set_csum+0x336/0xa80 [ 32.954312] [] l2tp_xmit_skb+0xc2f/0xea0 [ 32.959989] [] pppol2tp_sendmsg+0x584/0x7f0 [ 32.965931] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 32.972389] [] ? pppol2tp_release+0x310/0x310 [ 32.978509] [] sock_sendmsg+0xca/0x110 [ 32.984014] [] ___sys_sendmsg+0x6c1/0x7c0 [ 32.989777] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.996322] [] ? check_preemption_disabled+0x3b/0x200 [ 33.003130] [] ? do_huge_pmd_anonymous_page+0x549/0xa10 [ 33.010112] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.016049] [] ? do_huge_pmd_anonymous_page+0x3dd/0xa10 [ 33.023032] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.029752] [] ? __fget_light+0xa3/0x1e0 [ 33.035429] [] ? __fdget+0x18/0x20 [ 33.040586] [] __sys_sendmsg+0xd3/0x190 [ 33.046179] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.051946] [] ? __do_page_fault+0x380/0xa00 [ 33.057982] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.064800] [] SyS_sendmsg+0x2d/0x50 [ 33.070135] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 33.076678] [ 33.078274] Allocated by task 3774: [ 33.081865] [] save_stack_trace+0x26/0x50 [ 33.087752] [] save_stack+0x43/0xd0 [ 33.093116] [] kasan_kmalloc+0xad/0xe0 [ 33.098738] [] kasan_slab_alloc+0x12/0x20 [ 33.104620] [] kmem_cache_alloc+0xba/0x290 [ 33.110590] [] dst_alloc+0x11f/0x1a0 [ 33.116048] [] rt_dst_alloc+0x78/0x430 [ 33.121668] [] __ip_route_output_key_hash+0xa4e/0x2390 [ 33.128673] [] __ip4_datagram_connect+0xa15/0x1150 [ 33.135334] [] __ip6_datagram_connect+0x4d9/0x1950 [ 33.141997] [] ip6_datagram_connect+0x2f/0x50 [ 33.148229] [] inet_dgram_connect+0x16b/0x1f0 [ 33.154459] [] SYSC_connect+0x1b6/0x310 [ 33.160175] [] SyS_connect+0x24/0x30 [ 33.165618] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 33.172284] [ 33.173881] Freed by task 0: [ 33.176865] [] save_stack_trace+0x26/0x50 [ 33.182748] [] save_stack+0x43/0xd0 [ 33.188105] [] kasan_slab_free+0x72/0xc0 [ 33.193900] [] kmem_cache_free+0xc7/0x320 [ 33.199786] [] dst_destroy+0x20e/0x330 [ 33.205412] [] dst_destroy_rcu+0x15/0x40 [ 33.211202] [] rcu_process_callbacks+0x7f4/0x14a0 [ 33.217780] [] __do_softirq+0x227/0xa38 [ 33.223489] [ 33.225084] The buggy address belongs to the object at ffff8800afbfb780 [ 33.225084] which belongs to the cache ip_dst_cache of size 208 [ 33.237792] The buggy address is located 24 bytes inside of [ 33.237792] 208-byte region [ffff8800afbfb780, ffff8800afbfb850) [ 33.249543] The buggy address belongs to the page: SeaBIOS (version 1.8.2-20171120_144221-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 0x000f2360: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000037cb26e input_len: 0x0000000001423b2c output: 0x0000000001000000 output_len: 0x0000000003bdaa40 run_size: 0x0000000005310000 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 4.4.120-gd63fdf6 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #28 SMP PREEMPT Tue Mar 6 13:16:06 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 0x000f23e0-0x000f23ef] mapped at [ffff8800000f23e0] [ 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 0x00000000000F23A0 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 2119048731 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 (40422K kernel code, 6136K rwdata, 8808K rodata, 1848K 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 [ 1.197562] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.198714] pid_max: default: 32768 minimum: 301 [ 1.199416] ACPI: Core revision 20150930 [ 1.617569] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.619525] Security Framework initialized [ 1.620095] SELinux: Initializing. [ 1.620740] AppArmor: AppArmor disabled by boot time parameter [ 1.621637] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.622562] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.626233] Initializing cgroup subsys io [ 1.626916] Initializing cgroup subsys freezer [ 1.627585] Initializing cgroup subsys hugetlb [ 1.628209] Initializing cgroup subsys debug [ 1.629010] CPU: Physical Processor ID: 0 [ 1.630927] mce: CPU supports 32 MCE banks [ 1.631688] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.632535] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.633439] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.636563] Freeing SMP alternatives memory: 44K [ 1.645697] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.756881] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.758394] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.847166] x86: Booting SMP configuration: [ 1.847840] .... node #0, CPUs: #1 [ 1.848616] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.853268] x86: Booted up 1 node, 2 CPUs [ 1.853852] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.858668] devtmpfs: initialized [ 1.868125] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.869563] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.871163] xor: automatically using best checksumming function: [ 1.877688] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.966905] avx : 21718.800 MB/sec [ 1.968009] RTC time: 12:23:12, date: 03/15/18 [ 1.970285] NET: Registered protocol family 16 [ 1.971394] schedtune: init normalization constants... [ 1.972100] schedtune: no energy model data [ 1.972678] schedtune: disabled! [ 1.976283] kworker/u4:1 (27) used greatest stack depth: 27672 bytes left [ 1.997228] cpuidle: using governor ladder [ 2.026946] cpuidle: using governor menu [ 2.028186] ACPI: bus type PCI registered [ 2.028763] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.031124] PCI: Using configuration type 1 for base access [ 2.041427] kworker/u4:1 (82) used greatest stack depth: 27448 bytes left [ 2.386906] raid6: sse2x1 gen() 4766 MB/s [ 2.556858] raid6: sse2x1 xor() 2582 MB/s [ 2.726835] raid6: sse2x2 gen() 6980 MB/s [ 2.896828] raid6: sse2x2 xor() 4032 MB/s [ 3.066821] raid6: sse2x4 gen() 8633 MB/s [ 3.236817] raid6: sse2x4 xor() 5236 MB/s [ 3.406796] raid6: avx2x1 gen() 9339 MB/s [ 3.576783] raid6: avx2x2 gen() 14373 MB/s [ 3.746770] raid6: avx2x4 gen() 18621 MB/s [ 3.747440] raid6: using algorithm avx2x4 gen() 18621 MB/s [ 3.748182] raid6: using avx2x2 recovery algorithm [ 3.749384] ACPI: Added _OSI(Module Device) [ 3.749971] ACPI: Added _OSI(Processor Device) [ 3.750581] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.751264] ACPI: Added _OSI(Processor Aggregator Device) [ 3.778341] ACPI: Executed 2 blocks of module-level executable AML code [ 4.620254] ACPI: Interpreter enabled [ 4.621350] ACPI: (supports S0 S3 S4 S5) [ 4.621899] ACPI: Using IOAPIC for interrupt routing [ 4.623061] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.764840] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.766183] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.767620] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.768652] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.794332] PCI host bridge to bus 0000:00 [ 5.794946] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.795915] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.796883] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.797943] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.799000] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.841069] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.931399] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.937879] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.943957] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.949978] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.954062] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.492052] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.496176] vgaarb: loaded [ 6.499190] SCSI subsystem initialized [ 6.508462] ACPI: bus type USB registered [ 6.510369] usbcore: registered new interface driver usbfs [ 6.511915] usbcore: registered new interface driver hub [ 6.512961] usbcore: registered new device driver usb [ 6.515167] pps_core: LinuxPPS API ver. 1 registered [ 6.516272] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.517774] PTP clock support registered [ 6.519684] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.520738] dmi: Firmware registration failed. [ 6.522304] Advanced Linux Sound Architecture Driver Initialized. [ 6.524188] PCI: Using ACPI for IRQ routing [ 6.536756] NetLabel: Initializing [ 6.537305] NetLabel: domain hash size = 128 [ 6.537933] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.538924] NetLabel: unlabeled traffic allowed by default [ 6.541473] amd_nb: Cannot enumerate AMD northbridges [ 6.542439] clocksource: Switched to clocksource kvm-clock [ 6.702556] pnp: PnP ACPI init [ 6.724909] pnp: PnP ACPI: found 7 devices [ 6.739191] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.740835] NET: Registered protocol family 2 [ 6.743461] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.745119] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.752262] TCP: Hash tables configured (established 65536 bind 65536) [ 6.753898] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.755527] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.758905] NET: Registered protocol family 1 [ 6.759687] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.761477] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.762350] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.764490] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.765715] hw unit of domain pp0-core 2^-0 Joules [ 6.766451] hw unit of domain package 2^-0 Joules [ 6.767193] hw unit of domain dram 2^-16 Joules [ 6.773331] Scanning for low memory corruption every 60 seconds [ 6.781920] audit: initializing netlink subsys (disabled) [ 6.783110] audit: type=2000 audit(1521116597.367:1): initialized [ 6.790473] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.922837] VFS: Disk quotas dquot_6.6.0 [ 6.925183] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.947477] fuse init (API version 7.23) [ 6.950866] 9p: Installing v9fs 9p2000 file system support [ 6.966609] async_tx: api initialized (async) [ 6.968694] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 6.969960] io scheduler noop registered [ 6.970534] io scheduler deadline registered [ 6.973373] io scheduler cfq registered (default) [ 6.981964] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 6.986812] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.987929] ACPI: Power Button [PWRF] [ 6.989682] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.990925] ACPI: Sleep Button [SLPF] [ 7.025634] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.026645] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.048171] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.049132] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.056309] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.079714] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.106155] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A