[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.188803] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.288059] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 25.779212] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 27.080428] random: nonblocking pool is initialized Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. executing program executing program executing program [ 33.704610] ================================================================== [ 33.712010] BUG: KASAN: use-after-free in pppol2tp_session_destruct+0xf2/0x110 [ 33.719348] Read of size 4 at addr ffff8800aefedb80 by task syz-executor710/3815 [ 33.726870] [ 33.728482] CPU: 0 PID: 3815 Comm: syz-executor710 Not tainted 4.4.143-g7bbfac1 #77 [ 33.736255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.745585] 0000000000000000 c576d62e2bd54f1a ffff8800bb007c68 ffffffff81e1002d [ 33.753601] ffffea0002bbfb00 ffff8800aefedb80 0000000000000000 ffff8800aefedb80 [ 33.761591] ffffffff82f1c220 ffff8800bb007ca0 ffffffff81515ae6 ffff8800aefedb80 [ 33.769601] Call Trace: [ 33.772167] [] dump_stack+0xc1/0x124 [ 33.777512] [] ? sock_release+0x1c0/0x1c0 [ 33.783283] [] print_address_description+0x6c/0x216 [ 33.789925] [] ? sock_release+0x1c0/0x1c0 [ 33.795699] [] kasan_report.cold.7+0x175/0x2f7 [ 33.801911] [] ? pppol2tp_session_destruct+0xf2/0x110 [ 33.808726] [] __asan_report_load4_noabort+0x14/0x20 [ 33.815451] [] pppol2tp_session_destruct+0xf2/0x110 [ 33.822093] [] ? pppol2tp_seq_start+0x4e0/0x4e0 [ 33.828391] [] sk_destruct+0x4c/0x4c0 [ 33.833816] [] __sk_free+0x4f/0x220 [ 33.839074] [] sk_free+0x30/0x40 [ 33.844064] [] pppol2tp_release+0x26a/0x310 [ 33.850016] [] sock_release+0x96/0x1c0 [ 33.855526] [] sock_close+0x16/0x20 [ 33.860777] [] __fput+0x235/0x6f0 [ 33.865854] [] ____fput+0x15/0x20 [ 33.870931] [] task_work_run+0x10f/0x190 [ 33.876618] [] exit_to_usermode_loop+0x13d/0x160 [ 33.883001] [] syscall_return_slowpath+0x1b5/0x1f0 [ 33.889558] [] int_ret_from_sys_call+0x25/0xa3 [ 33.895759] [ 33.897363] Allocated by task 3814: [ 33.900957] [] save_stack_trace+0x26/0x50 [ 33.906850] [] save_stack+0x43/0xd0 [ 33.912236] [] kasan_kmalloc+0xc7/0xe0 [ 33.917868] [] __kmalloc+0x124/0x310 [ 33.923325] [] l2tp_session_create+0x39/0x1030 [ 33.929654] [] pppol2tp_connect+0x10f0/0x1910 [ 33.936001] [] SYSC_connect+0x1b8/0x300 [ 33.941736] [] SyS_connect+0x24/0x30 [ 33.947193] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 33.953875] [ 33.955485] Freed by task 3814: [ 33.958742] [] save_stack_trace+0x26/0x50 [ 33.964646] [] save_stack+0x43/0xd0 [ 33.970021] [] kasan_slab_free+0x72/0xc0 [ 33.975842] [] kfree+0xf4/0x310 [ 33.980876] [] l2tp_session_free+0x170/0x200 [ 33.987033] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 33.993451] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 33.999876] [] udpv6_destroy_sock+0xb1/0xd0 [ 34.005953] [] sk_common_release+0x6d/0x300 [ 34.012036] [] udp_lib_close+0x15/0x20 [ 34.017671] [] inet_release+0xff/0x1d0 [ 34.023312] [] inet6_release+0x50/0x70 [ 34.028949] [] sock_release+0x96/0x1c0 [ 34.034596] [] sock_close+0x16/0x20 [ 34.039969] [] __fput+0x235/0x6f0 [ 34.045175] [] ____fput+0x15/0x20 [ 34.050377] [] task_work_run+0x10f/0x190 [ 34.056194] [] exit_to_usermode_loop+0x13d/0x160 [ 34.062694] [] syscall_return_slowpath+0x1b5/0x1f0 [ 34.069372] [] int_ret_from_sys_call+0x25/0xa3 [ 34.075712] [ 34.077323] The buggy address belongs to the object at ffff8800aefedb80 [ 34.077323] which belongs to the cache kmalloc-512 of size 512 [ 34.089961] The buggy address is located 0 bytes inside of [ 34.089961] 512-byte region [ffff8800aefedb80, ffff8800aefedd80) [ 34.101637] The buggy address belongs to the page: [ 34.114413] kasan: CONFIG_KASAN_INLINE enabled [ 34.118848] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 34.131791] Dumping ftrace buffer: [ 34.135317] (ftrace buffer empty)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 0x000f2290: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b4f26e input_len: 0x00000000014cdc50 output: 0x0000000001000000 output_len: 0x0000000004008a90 run_size: 0x0000000005752000 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 4.4.143-g7bbfac1 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #77 SMP PREEMPT Tue Jul 31 18:33:22 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=140 nopti [ 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] 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] Kernel/User page tables isolation: disabled [ 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 0x000f2310-0x000f231f] mapped at [ffff8800000f2310] [ 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 0x00000000000F22D0 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 1900813899 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=140 nopti [ 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: 6579092K/7863876K available (41771K kernel code, 6303K rwdata, 9060K rodata, 1864K init, 23696K bss, 1284784K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 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 [ 1.255263] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.256460] pid_max: default: 32768 minimum: 301 [ 1.257193] ACPI: Core revision 20150930 [ 1.675641] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.677014] Security Framework initialized [ 1.677643] SELinux: Initializing. [ 1.678317] AppArmor: AppArmor disabled by boot time parameter [ 1.679242] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.680173] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.683810] Initializing cgroup subsys io [ 1.684546] Initializing cgroup subsys freezer [ 1.685208] Initializing cgroup subsys hugetlb [ 1.685866] Initializing cgroup subsys debug [ 1.686645] CPU: Physical Processor ID: 0 [ 1.688502] mce: CPU supports 32 MCE banks [ 1.689264] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.690183] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.691146] Spectre V2 : Mitigation: Full generic retpoline [ 1.694608] Freeing SMP alternatives memory: 48K [ 1.704858] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.824537] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.826085] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.914886] x86: Booting SMP configuration: [ 1.915926] .... node #0, CPUs: #1 [ 1.916836] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.921515] x86: Booted up 1 node, 2 CPUs [ 1.922136] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.926650] devtmpfs: initialized [ 1.936792] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.938384] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.940243] xor: automatically using best checksumming function: [ 1.952417] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 2.034561] avx : 23337.600 MB/sec [ 2.035828] RTC time: 0:19:37, date: 08/01/18 [ 2.039159] NET: Registered protocol family 16 [ 2.040323] schedtune: init normalization constants... [ 2.041050] schedtune: no energy model data [ 2.041899] schedtune: disabled! [ 2.045073] kworker/u4:0 (29) used greatest stack depth: 27616 bytes left [ 2.074964] cpuidle: using governor ladder [ 2.104648] cpuidle: using governor menu [ 2.106038] ACPI: bus type PCI registered [ 2.106671] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.109537] PCI: Using configuration type 1 for base access [ 2.120420] kworker/u4:0 (60) used greatest stack depth: 27424 bytes left [ 2.140295] kworker/u4:0 (122) used greatest stack depth: 27024 bytes left [ 2.494551] raid6: sse2x1 gen() 4650 MB/s [ 2.664536] raid6: sse2x1 xor() 2376 MB/s [ 2.834559] raid6: sse2x2 gen() 7067 MB/s [ 3.004535] raid6: sse2x2 xor() 4028 MB/s [ 3.174532] raid6: sse2x4 gen() 8667 MB/s [ 3.344530] raid6: sse2x4 xor() 5322 MB/s [ 3.514513] raid6: avx2x1 gen() 9429 MB/s [ 3.684522] raid6: avx2x2 gen() 14674 MB/s [ 3.854498] raid6: avx2x4 gen() 19097 MB/s [ 3.855204] raid6: using algorithm avx2x4 gen() 19097 MB/s [ 3.855976] raid6: using avx2x2 recovery algorithm [ 3.857388] ACPI: Added _OSI(Module Device) [ 3.858059] ACPI: Added _OSI(Processor Device) [ 3.858713] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.859364] ACPI: Added _OSI(Processor Aggregator Device) [ 3.886487] ACPI: Executed 2 blocks of module-level executable AML code [ 4.818940] ACPI: Interpreter enabled [ 4.820058] ACPI: (supports S0 S3 S4 S5) [ 4.820653] ACPI: Using IOAPIC for interrupt routing [ 4.821931] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.065859] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.067002] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.069007] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.070086] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.099729] PCI host bridge to bus 0000:00 [ 6.100354] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.101379] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.102342] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.103370] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.104415] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.143780] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.231438] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.238848] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.245413] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.251819] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.255632] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.843338] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.847197] vgaarb: loaded [ 6.850702] SCSI subsystem initialized [ 6.853779] ACPI: bus type USB registered [ 6.855704] usbcore: registered new interface driver usbfs [ 6.857287] usbcore: registered new interface driver hub [ 6.858461] usbcore: registered new device driver usb [ 6.860660] pps_core: LinuxPPS API ver. 1 registered [ 6.862031] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.863463] PTP clock support registered [ 6.865628] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.866876] dmi: Firmware registration failed. [ 6.868532] Advanced Linux Sound Architecture Driver Initialized. [ 6.870243] PCI: Using ACPI for IRQ routing [ 6.878885] NetLabel: Initializing [ 6.879438] NetLabel: domain hash size = 128 [ 6.880123] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.881334] NetLabel: unlabeled traffic allowed by default [ 6.884176] amd_nb: Cannot enumerate AMD northbridges [ 6.885271] clocksource: Switched to clocksource kvm-clock [ 7.080737] pnp: PnP ACPI init [ 7.105892] pnp: PnP ACPI: found 7 devices [ 7.119823] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.121564] NET: Registered protocol family 2 [ 7.124218] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 7.126918] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 7.134433] TCP: Hash tables configured (established 65536 bind 65536) [ 7.135806] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 7.137472] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 7.140953] NET: Registered protocol family 1 [ 7.141718] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.143546] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.144481] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 7.147345] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 7.148565] hw unit of domain pp0-core 2^-0 Joules [ 7.149254] hw unit of domain package 2^-0 Joules [ 7.149922] hw unit of domain dram 2^-16 Joules [ 7.155954] Scanning for low memory corruption every 60 seconds [ 7.164491] audit: initializing netlink subsys (disabled) [ 7.165808] audit: type=2000 audit(1533082782.483:1): initialized [ 7.173150] Initialise system trusted keyring [ 7.175568] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 7.318987] VFS: Disk quotas dquot_6.6.0 [ 7.320674] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.345475] fuse init (API version 7.23) [ 7.350059] 9p: Installing v9fs 9p2000 file system support [ 7.380983] async_tx: api initialized (async) [ 7.382955] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.384236] io scheduler noop registered [ 7.384799] io scheduler deadline registered [ 7.388270] io scheduler cfq registered (default) [ 7.396976] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.400915] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.402147] ACPI: Power Button [PWRF] [ 7.404730] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.406147] ACPI: Sleep Button [SLPF] [ 7.431978] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.432915] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver