[ 20.908680] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.564743] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 26.103226] random: sshd: uninitialized urandom read (32 bytes read, 41 bits of entropy available) [ 27.081796] random: sshd: uninitialized urandom read (32 bytes read, 101 bits of entropy available) [ 27.237044] random: sshd: uninitialized urandom read (32 bytes read, 104 bits of entropy available) Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. [ 32.612224] random: sshd: uninitialized urandom read (32 bytes read, 108 bits of entropy available) 2018/03/11 12:34:27 parsed 1 programs 2018/03/11 12:34:27 executed programs: 0 [ 32.957162] IPVS: Creating netns size=2552 id=1 [ 34.041328] ================================================================== [ 34.048738] BUG: KASAN: slab-out-of-bounds in ip6_xmit+0x1a2c/0x1a70 [ 34.055205] Read of size 8 at addr ffff8800af5da8d8 by task syz-executor0/4070 [ 34.062541] [ 34.064143] CPU: 1 PID: 4070 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 34.071733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.081056] 0000000000000000 5807329b90b4b5a2 ffff8800ba74f768 ffffffff81d0408d [ 34.089025] ffffea0002bd7680 ffff8800af5da8d8 0000000000000000 ffff8800af5da8d8 [ 34.096997] 0000000000000040 ffff8800ba74f7a0 ffffffff814fe143 ffff8800af5da8d8 [ 34.104975] Call Trace: [ 34.107535] [] dump_stack+0xc1/0x124 [ 34.112870] [] print_address_description+0x73/0x260 [ 34.119514] [] kasan_report+0x285/0x370 [ 34.125112] [] ? ip6_xmit+0x1a2c/0x1a70 [ 34.130719] [] __asan_report_load8_noabort+0x14/0x20 [ 34.137442] [] ip6_xmit+0x1a2c/0x1a70 [ 34.142865] [] ? kfree+0xfc/0x300 [ 34.147947] [] ? pskb_expand_head+0x28b/0x980 [ 34.154067] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 34.159923] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 34.166386] [] ? __lock_is_held+0xa1/0xf0 [ 34.172161] [] ? ipv4_dst_check+0x111/0x160 [ 34.178115] [] ? __sk_dst_check+0x148/0x260 [ 34.184057] [] inet6_csk_xmit+0x246/0x480 [ 34.189826] [] ? inet6_csk_xmit+0x100/0x480 [ 34.195765] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 34.202314] [] ? udp6_set_csum+0x336/0xa80 [ 34.208192] [] l2tp_xmit_skb+0xc2f/0xea0 [ 34.213884] [] pppol2tp_sendmsg+0x584/0x7f0 [ 34.219837] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 34.226298] [] ? pppol2tp_release+0x310/0x310 [ 34.232413] [] sock_sendmsg+0xca/0x110 [ 34.237917] [] SYSC_sendto+0x2c8/0x340 [ 34.243432] [] ? SYSC_connect+0x310/0x310 [ 34.249209] [] ? handle_mm_fault+0x192d/0x3190 [ 34.255414] [] SyS_sendto+0x40/0x50 [ 34.260665] [] ? SyS_getpeername+0x30/0x30 [ 34.266520] [] do_fast_syscall_32+0x321/0x8a0 [ 34.272733] [] sysenter_flags_fixed+0xd/0x17 [ 34.278758] [ 34.280355] Allocated by task 0: [ 34.283687] (stack is not available) [ 34.287365] [ 34.288962] Freed by task 0: [ 34.292316] (stack is not available) [ 34.296000] [ 34.297597] The buggy address belongs to the object at ffff8800af5da8c0 [ 34.297597] which belongs to the cache ip_dst_cache of size 208 [ 34.310404] The buggy address is located 24 bytes inside of [ 34.310404] 208-byte region [ffff8800af5da8c0, ffff8800af5da990) [ 34.322158] The buggy address belongs to the page: [ 34.328818] kasan: CONFIG_KASAN_INLINE enabled [ 34.333221] kasan: GPF could be caused by NULL-ptr deref or user memory access[ 34.340720] ------------[ cut here ]------------ [ 34.345832] WARNING: CPU: 0 PID: 3801 at kernel/sched/core.c:7944 __might_sleep+0x138/0x1a0() [ 34.354497] do not call blocking ops when !TASK_RUNNING; state=1 set at [] do_wait+0x270/0xa20 [ 34.364803] Kernel panic - not syncing: panic_on_warn set ... [ 34.364803] 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 2277449627 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 [ 1.256421] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.257589] pid_max: default: 32768 minimum: 301 [ 1.258312] ACPI: Core revision 20150930 [ 1.677014] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.679000] Security Framework initialized [ 1.679574] SELinux: Initializing. [ 1.680232] AppArmor: AppArmor disabled by boot time parameter [ 1.681328] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.682304] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.686171] Initializing cgroup subsys io [ 1.686767] Initializing cgroup subsys freezer [ 1.687412] Initializing cgroup subsys hugetlb [ 1.688038] Initializing cgroup subsys debug [ 1.688802] CPU: Physical Processor ID: 0 [ 1.690739] mce: CPU supports 32 MCE banks [ 1.691541] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.692381] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.693323] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.696589] Freeing SMP alternatives memory: 44K [ 1.706590] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.825771] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.827464] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.916140] x86: Booting SMP configuration: [ 1.916827] .... node #0, CPUs: #1 [ 1.917956] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.923177] x86: Booted up 1 node, 2 CPUs [ 1.923783] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.929694] devtmpfs: initialized [ 1.940544] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.942371] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.944685] xor: automatically using best checksumming function: [ 1.954687] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 2.035814] avx : 21560.000 MB/sec [ 2.036999] RTC time: 12:34:33, date: 03/11/18 [ 2.039495] NET: Registered protocol family 16 [ 2.040638] schedtune: init normalization constants... [ 2.041372] schedtune: no energy model data [ 2.041952] schedtune: disabled! [ 2.066333] cpuidle: using governor ladder [ 2.095968] cpuidle: using governor menu [ 2.097395] ACPI: bus type PCI registered [ 2.098038] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.100608] PCI: Using configuration type 1 for base access [ 2.106838] kworker/u4:1 (45) used greatest stack depth: 27448 bytes left [ 2.108178] kworker/u4:1 (38) used greatest stack depth: 27080 bytes left [ 2.485861] raid6: sse2x1 gen() 4517 MB/s [ 2.655850] raid6: sse2x1 xor() 2598 MB/s [ 2.825866] raid6: sse2x2 gen() 6987 MB/s [ 2.995866] raid6: sse2x2 xor() 4084 MB/s [ 3.165896] raid6: sse2x4 gen() 8598 MB/s [ 3.335899] raid6: sse2x4 xor() 5224 MB/s [ 3.505908] raid6: avx2x1 gen() 9367 MB/s [ 3.675916] raid6: avx2x2 gen() 14518 MB/s [ 3.845929] raid6: avx2x4 gen() 18958 MB/s [ 3.846674] raid6: using algorithm avx2x4 gen() 18958 MB/s [ 3.847491] raid6: using avx2x2 recovery algorithm [ 3.848821] ACPI: Added _OSI(Module Device) [ 3.849462] ACPI: Added _OSI(Processor Device) [ 3.850119] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.850936] ACPI: Added _OSI(Processor Aggregator Device) [ 3.876603] ACPI: Executed 2 blocks of module-level executable AML code [ 4.724880] ACPI: Interpreter enabled [ 4.725949] ACPI: (supports S0 S3 S4 S5) [ 4.726575] ACPI: Using IOAPIC for interrupt routing [ 4.727889] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.864437] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.865477] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.866897] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.868129] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.894029] PCI host bridge to bus 0000:00 [ 5.894703] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.895667] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.896681] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.897777] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.898874] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.936793] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.020136] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.026413] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.032425] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.038319] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.041913] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.578584] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.582377] vgaarb: loaded [ 6.585589] SCSI subsystem initialized [ 6.605634] ACPI: bus type USB registered [ 6.607752] usbcore: registered new interface driver usbfs [ 6.609781] usbcore: registered new interface driver hub [ 6.611070] usbcore: registered new device driver usb [ 6.613254] pps_core: LinuxPPS API ver. 1 registered [ 6.614492] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.615918] PTP clock support registered [ 6.626771] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.627842] dmi: Firmware registration failed. [ 6.629273] Advanced Linux Sound Architecture Driver Initialized. [ 6.630925] PCI: Using ACPI for IRQ routing [ 6.638815] NetLabel: Initializing [ 6.639371] NetLabel: domain hash size = 128 [ 6.639970] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.640911] NetLabel: unlabeled traffic allowed by default [ 6.644275] amd_nb: Cannot enumerate AMD northbridges [ 6.645085] clocksource: Switched to clocksource kvm-clock [ 6.804753] pnp: PnP ACPI init [ 6.827307] pnp: PnP ACPI: found 7 devices [ 6.841000] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.842579] NET: Registered protocol family 2 [ 6.845053] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.847089] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.854269] TCP: Hash tables configured (established 65536 bind 65536) [ 6.855583] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.857184] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.860522] NET: Registered protocol family 1 [ 6.861250] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.863012] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.863981] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.866453] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.867848] hw unit of domain pp0-core 2^-0 Joules [ 6.868506] hw unit of domain package 2^-0 Joules [ 6.869151] hw unit of domain dram 2^-16 Joules [ 6.874690] Scanning for low memory corruption every 60 seconds [ 6.882949] audit: initializing netlink subsys (disabled) [ 6.883996] audit: type=2000 audit(1520771678.275:1): initialized [ 6.892202] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 7.020862] VFS: Disk quotas dquot_6.6.0 [ 7.023240] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.047606] fuse init (API version 7.23) [ 7.050824] 9p: Installing v9fs 9p2000 file system support [ 7.063722] async_tx: api initialized (async) [ 7.068590] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.069772] io scheduler noop registered [ 7.070346] io scheduler deadline registered [ 7.072724] io scheduler cfq registered (default) [ 7.083822] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.089713] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.090897] ACPI: Power Button [PWRF] [ 7.092562] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.093791] ACPI: Sleep Button [SLPF] [ 7.116747] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.117645] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.138896] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.139814] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.146921] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.170224] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A