[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.473166] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.524120] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [ 21.905208] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 22.930201] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) [ 23.086093] random: sshd: uninitialized urandom read (32 bytes read, 119 bits of entropy available) Warning: Permanently added '10.128.0.11' (ECDSA) to the list of known hosts. [ 28.717699] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) 2018/03/13 16:18:05 parsed 1 programs 2018/03/13 16:18:05 executed programs: 0 [ 29.055622] IPVS: Creating netns size=2552 id=1 [ 30.150013] ================================================================== [ 30.157394] BUG: KASAN: slab-out-of-bounds in ip6_xmit+0x1a2c/0x1a70 [ 30.163860] Read of size 8 at addr ffff8800b67ff798 by task syz-executor0/4037 [ 30.171192] [ 30.172791] CPU: 1 PID: 4037 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 30.180375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.189699] 0000000000000000 dae0467f6a0ee0bd ffff8801d814f768 ffffffff81d0408d [ 30.197685] ffffea0002d9ffc0 ffff8800b67ff798 0000000000000000 ffff8800b67ff798 [ 30.205652] 0000000000000040 ffff8801d814f7a0 ffffffff814fe143 ffff8800b67ff798 [ 30.213616] Call Trace: [ 30.216171] [] dump_stack+0xc1/0x124 [ 30.221503] [] print_address_description+0x73/0x260 [ 30.228137] [] kasan_report+0x285/0x370 [ 30.233731] [] ? ip6_xmit+0x1a2c/0x1a70 [ 30.239322] [] __asan_report_load8_noabort+0x14/0x20 [ 30.246044] [] ip6_xmit+0x1a2c/0x1a70 [ 30.251462] [] ? kfree+0xfc/0x300 [ 30.256536] [] ? pskb_expand_head+0x28b/0x980 [ 30.262653] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 30.268515] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 30.274984] [] ? __lock_is_held+0xa1/0xf0 [ 30.280758] [] ? ipv4_dst_check+0x111/0x160 [ 30.286706] [] ? __sk_dst_check+0x148/0x260 [ 30.292654] [] inet6_csk_xmit+0x246/0x480 [ 30.298428] [] ? inet6_csk_xmit+0x100/0x480 [ 30.304367] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 30.310916] [] ? udp6_set_csum+0x336/0xa80 [ 30.316777] [] l2tp_xmit_skb+0xc2f/0xea0 [ 30.322456] [] pppol2tp_sendmsg+0x584/0x7f0 [ 30.328395] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 30.334858] [] ? pppol2tp_release+0x310/0x310 [ 30.340978] [] sock_sendmsg+0xca/0x110 [ 30.346484] [] SYSC_sendto+0x2c8/0x340 [ 30.351989] [] ? SYSC_connect+0x310/0x310 [ 30.357755] [] ? handle_mm_fault+0x192d/0x3190 [ 30.363956] [] SyS_sendto+0x40/0x50 [ 30.369205] [] ? SyS_getpeername+0x30/0x30 [ 30.375058] [] do_fast_syscall_32+0x321/0x8a0 [ 30.381173] [] sysenter_flags_fixed+0xd/0x17 [ 30.387196] [ 30.388794] Allocated by task 0: [ 30.392126] (stack is not available) [ 30.395801] [ 30.397395] Freed by task 0: [ 30.400378] (stack is not available) [ 30.404059] [ 30.405654] The buggy address belongs to the object at ffff8800b67ff780 [ 30.405654] which belongs to the cache ip_dst_cache of size 208 [ 30.418362] The buggy address is located 24 bytes inside of [ 30.418362] 208-byte region [ffff8800b67ff780, ffff8800b67ff850) [ 30.430117] The buggy address belongs to the page: [ 30.435512] kasan: CONFIG_KASAN_INLINE enabled [ 30.439916] kasan: GPF could be caused by NULL-ptr deref or user memory access[ 30.447404] ------------[ cut here ]------------ [ 30.452154] WARNING: CPU: 0 PID: 3762 at kernel/sched/core.c:7944 __might_sleep+0x138/0x1a0() [ 30.460821] do not call blocking ops when !TASK_RUNNING; state=1 set at [] do_wait+0x270/0xa20 [ 30.471129] Kernel panic - not syncing: panic_on_warn set ... [ 30.471129] 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: 0x0000000001423b30 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) ) #29 SMP PREEMPT Tue Mar 6 13:11:38 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 2354968957 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 [ 1.160911] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.162062] pid_max: default: 32768 minimum: 301 [ 1.162772] ACPI: Core revision 20150930 [ 1.580648] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.582612] Security Framework initialized [ 1.583185] SELinux: Initializing. [ 1.583862] AppArmor: AppArmor disabled by boot time parameter [ 1.584808] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.585746] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.589418] Initializing cgroup subsys io [ 1.590016] Initializing cgroup subsys freezer [ 1.590755] Initializing cgroup subsys hugetlb [ 1.591420] Initializing cgroup subsys debug [ 1.592185] CPU: Physical Processor ID: 0 [ 1.594070] mce: CPU supports 32 MCE banks [ 1.594826] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.595684] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.596585] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.599739] Freeing SMP alternatives memory: 44K [ 1.610091] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.730245] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.731739] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.820481] x86: Booting SMP configuration: [ 1.821114] .... node #0, CPUs: #1 [ 1.821914] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.826626] x86: Booted up 1 node, 2 CPUs [ 1.827192] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.831843] devtmpfs: initialized [ 1.841296] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.842659] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.844249] xor: automatically using best checksumming function: [ 1.847440] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.940240] avx : 21711.600 MB/sec [ 1.941379] RTC time: 16:18:11, date: 03/13/18 [ 1.943660] NET: Registered protocol family 16 [ 1.944787] schedtune: init normalization constants... [ 1.945505] schedtune: no energy model data [ 1.946083] schedtune: disabled! [ 1.980422] cpuidle: using governor ladder [ 2.010250] cpuidle: using governor menu [ 2.011502] ACPI: bus type PCI registered [ 2.012073] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.014848] PCI: Using configuration type 1 for base access [ 2.026819] kworker/u4:0 (66) used greatest stack depth: 27448 bytes left [ 2.160922] kworker/u4:2 (314) used greatest stack depth: 27080 bytes left [ 2.460212] raid6: sse2x1 gen() 4675 MB/s [ 2.630170] raid6: sse2x1 xor() 2645 MB/s [ 2.800145] raid6: sse2x2 gen() 7595 MB/s [ 2.970131] raid6: sse2x2 xor() 4259 MB/s [ 3.140114] raid6: sse2x4 gen() 9742 MB/s [ 3.310092] raid6: sse2x4 xor() 5685 MB/s [ 3.480063] raid6: avx2x1 gen() 9479 MB/s [ 3.650046] raid6: avx2x2 gen() 14727 MB/s [ 3.820033] raid6: avx2x4 gen() 19220 MB/s [ 3.820686] raid6: using algorithm avx2x4 gen() 19220 MB/s [ 3.821453] raid6: using avx2x2 recovery algorithm [ 3.822771] ACPI: Added _OSI(Module Device) [ 3.823418] ACPI: Added _OSI(Processor Device) [ 3.824027] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.824673] ACPI: Added _OSI(Processor Aggregator Device) [ 3.851201] ACPI: Executed 2 blocks of module-level executable AML code [ 4.686723] ACPI: Interpreter enabled [ 4.687679] ACPI: (supports S0 S3 S4 S5) [ 4.688226] ACPI: Using IOAPIC for interrupt routing [ 4.689341] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.821571] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.822570] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.823861] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.824878] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.850260] PCI host bridge to bus 0000:00 [ 5.850890] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.851847] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.852806] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.853826] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.854878] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.888738] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.967222] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.972781] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.978192] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.983720] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.986956] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.523512] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.527073] vgaarb: loaded [ 6.530217] SCSI subsystem initialized [ 6.541534] ACPI: bus type USB registered [ 6.543357] usbcore: registered new interface driver usbfs [ 6.545103] usbcore: registered new interface driver hub [ 6.546357] usbcore: registered new device driver usb [ 6.548606] pps_core: LinuxPPS API ver. 1 registered [ 6.550219] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.551563] PTP clock support registered [ 6.553430] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.554511] dmi: Firmware registration failed. [ 6.555924] Advanced Linux Sound Architecture Driver Initialized. [ 6.557564] PCI: Using ACPI for IRQ routing [ 6.565396] NetLabel: Initializing [ 6.565885] NetLabel: domain hash size = 128 [ 6.567110] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.568299] NetLabel: unlabeled traffic allowed by default [ 6.570704] amd_nb: Cannot enumerate AMD northbridges [ 6.571494] clocksource: Switched to clocksource kvm-clock [ 6.728981] pnp: PnP ACPI init [ 6.751050] pnp: PnP ACPI: found 7 devices [ 6.764589] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.766177] NET: Registered protocol family 2 [ 6.768618] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.770147] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.777375] TCP: Hash tables configured (established 65536 bind 65536) [ 6.778593] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.780147] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.783625] NET: Registered protocol family 1 [ 6.784369] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.786089] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.786968] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.788843] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.790080] hw unit of domain pp0-core 2^-0 Joules [ 6.790762] hw unit of domain package 2^-0 Joules [ 6.791428] hw unit of domain dram 2^-16 Joules [ 6.797047] Scanning for low memory corruption every 60 seconds [ 6.806430] audit: initializing netlink subsys (disabled) [ 6.807464] audit: type=2000 audit(1520957896.619:1): initialized [ 6.824816] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.955846] VFS: Disk quotas dquot_6.6.0 [ 6.957412] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.980298] fuse init (API version 7.23) [ 6.983504] 9p: Installing v9fs 9p2000 file system support [ 6.998484] async_tx: api initialized (async) [ 7.000859] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.002377] io scheduler noop registered [ 7.002936] io scheduler deadline registered [ 7.005256] io scheduler cfq registered (default) [ 7.017207] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.020842] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.022010] ACPI: Power Button [PWRF] [ 7.023673] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.024888] ACPI: Sleep Button [SLPF] [ 7.048577] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.049464] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.069571] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.070449] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.078146] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.101710] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A