[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.349799] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.788014] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 22.018718] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 23.261571] random: sshd: uninitialized urandom read (32 bytes read, 113 bits of entropy available) [ 23.422688] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. [ 28.909542] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available) executing program [ 29.061892] ================================================================== [ 29.069293] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xf4/0x100 [ 29.076541] Read of size 4 at addr ffff8801cf352a00 by task syz-executor452/3847 [ 29.084061] [ 29.085664] CPU: 0 PID: 3847 Comm: syz-executor452 Not tainted 4.4.140-g789274d #67 [ 29.093428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.102754] 0000000000000000 4948c510e1043b9e ffff8801d8f17cc0 ffffffff81e0e08d [ 29.110763] ffffea00073cd480 ffff8801cf352a00 0000000000000000 ffff8801cf352a00 [ 29.118758] ffffffff82f19f30 ffff8801d8f17cf8 ffffffff81515a56 ffff8801cf352a00 [ 29.126735] Call Trace: [ 29.129303] [] dump_stack+0xc1/0x124 [ 29.134660] [] ? sock_release+0x1c0/0x1c0 [ 29.140450] [] print_address_description+0x6c/0x216 [ 29.147109] [] ? sock_release+0x1c0/0x1c0 [ 29.152886] [] kasan_report.cold.7+0x175/0x2f7 [ 29.159200] [] ? l2tp_session_queue_purge+0xf4/0x100 [ 29.165944] [] __asan_report_load4_noabort+0x14/0x20 [ 29.172674] [] l2tp_session_queue_purge+0xf4/0x100 [ 29.179229] [] ? sock_release+0x1c0/0x1c0 [ 29.185009] [] pppol2tp_release+0x1ff/0x310 [ 29.190957] [] sock_release+0x96/0x1c0 [ 29.196471] [] sock_close+0x16/0x20 [ 29.201721] [] __fput+0x235/0x6f0 [ 29.206799] [] ____fput+0x15/0x20 [ 29.211876] [] task_work_run+0x10f/0x190 [ 29.217564] [] exit_to_usermode_loop+0x13d/0x160 [ 29.223941] [] syscall_return_slowpath+0x1b5/0x1f0 [ 29.230500] [] int_ret_from_sys_call+0x25/0xa3 [ 29.236709] [ 29.238318] Allocated by task 3846: [ 29.241914] [] save_stack_trace+0x26/0x50 [ 29.247802] [] save_stack+0x43/0xd0 [ 29.253176] [] kasan_kmalloc+0xc7/0xe0 [ 29.258984] [] __kmalloc+0x124/0x310 [ 29.264456] [] l2tp_session_create+0x39/0x1030 [ 29.270799] [] pppol2tp_connect+0x10f0/0x1910 [ 29.277052] [] SYSC_connect+0x1b8/0x300 [ 29.282775] [] SyS_connect+0x24/0x30 [ 29.288237] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 29.294911] [ 29.296512] Freed by task 3846: [ 29.299764] [] save_stack_trace+0x26/0x50 [ 29.305663] [] save_stack+0x43/0xd0 [ 29.311047] [] kasan_slab_free+0x72/0xc0 [ 29.316854] [] kfree+0xf4/0x310 [ 29.321888] [] l2tp_session_free+0x170/0x200 [ 29.328045] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 29.334464] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 29.340879] [] udp_destroy_sock+0x118/0x1a0 [ 29.346955] [] sk_common_release+0x6d/0x300 [ 29.353023] [] udp_lib_close+0x15/0x20 [ 29.358674] [] inet_release+0xff/0x1d0 [ 29.364300] [] sock_release+0x96/0x1c0 [ 29.369929] [] sock_close+0x16/0x20 [ 29.375386] [] __fput+0x235/0x6f0 [ 29.380595] [] ____fput+0x15/0x20 [ 29.385792] [] task_work_run+0x10f/0x190 [ 29.391607] [] exit_to_usermode_loop+0x13d/0x160 [ 29.398131] [] syscall_return_slowpath+0x1b5/0x1f0 [ 29.404798] [] int_ret_from_sys_call+0x25/0xa3 [ 29.411133] [ 29.412736] The buggy address belongs to the object at ffff8801cf352a00 [ 29.412736] which belongs to the cache kmalloc-512 of size 512 [ 29.425373] The buggy address is located 0 bytes inside of [ 29.425373] 512-byte region [ffff8801cf352a00, ffff8801cf352c00) [ 29.437063] The buggy address belongs to the page: [ 29.456672] ------------[ cut here ]------------ [ 29.461491] WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:263 debug_print_object+0x181/0x210() [ 29.470204] ODEBUG: deactivate not available (active state 0) object type: hrtimer hint: tick_sched_timer+0x0/0x120 [ 29.480893] Kernel panic - not syncing: panic_on_warn set ... [ 29.480893] [ 29.488628] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.SeaBIOS (version 1.8.2-20171130_102032-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: 0x0000000003b5126e input_len: 0x00000000014cbf81 output: 0x0000000001000000 output_len: 0x0000000004008a40 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 4.4.140-g789274d (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #67 SMP PREEMPT Wed Jul 11 15:06:17 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 2008204123 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 (41761K kernel code, 6302K rwdata, 9052K 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 [ 1.233609] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.234891] pid_max: default: 32768 minimum: 301 [ 1.235681] ACPI: Core revision 20150930 [ 1.633723] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.635025] Security Framework initialized [ 1.635596] SELinux: Initializing. [ 1.636278] AppArmor: AppArmor disabled by boot time parameter [ 1.637216] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.638292] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.641972] Initializing cgroup subsys io [ 1.642609] Initializing cgroup subsys freezer [ 1.643363] Initializing cgroup subsys hugetlb [ 1.644002] Initializing cgroup subsys debug [ 1.644804] CPU: Physical Processor ID: 0 [ 1.646680] mce: CPU supports 32 MCE banks [ 1.647530] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.648455] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.649403] Spectre V2 : Mitigation: Full generic retpoline [ 1.652607] Freeing SMP alternatives memory: 48K [ 1.662887] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.782948] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.784656] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.873275] x86: Booting SMP configuration: [ 1.873973] .... node #0, CPUs: #1 [ 1.874796] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.879778] x86: Booted up 1 node, 2 CPUs [ 1.880576] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.884789] devtmpfs: initialized [ 1.895362] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.897629] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.899471] xor: automatically using best checksumming function: [ 1.910919] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.992955] avx : 23332.800 MB/sec [ 1.994188] RTC time: 8:19:24, date: 07/12/18 [ 1.997364] NET: Registered protocol family 16 [ 1.998548] schedtune: init normalization constants... [ 1.999347] schedtune: no energy model data [ 1.999960] schedtune: disabled! [ 2.033159] cpuidle: using governor ladder [ 2.063028] cpuidle: using governor menu [ 2.064432] ACPI: bus type PCI registered [ 2.065075] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.067974] PCI: Using configuration type 1 for base access [ 2.075000] kworker/u4:1 (45) used greatest stack depth: 27424 bytes left [ 2.296698] kworker/u4:2 (445) used greatest stack depth: 27024 bytes left [ 2.482978] raid6: sse2x1 gen() 4555 MB/s [ 2.652939] raid6: sse2x1 xor() 2577 MB/s [ 2.822943] raid6: sse2x2 gen() 7121 MB/s [ 2.992929] raid6: sse2x2 xor() 4280 MB/s [ 3.162908] raid6: sse2x4 gen() 9573 MB/s [ 3.332900] raid6: sse2x4 xor() 5350 MB/s [ 3.502890] raid6: avx2x1 gen() 8975 MB/s [ 3.672873] raid6: avx2x2 gen() 14111 MB/s [ 3.842869] raid6: avx2x4 gen() 19078 MB/s [ 3.843596] raid6: using algorithm avx2x4 gen() 19078 MB/s [ 3.844469] raid6: using avx2x2 recovery algorithm [ 3.845828] ACPI: Added _OSI(Module Device) [ 3.846511] ACPI: Added _OSI(Processor Device) [ 3.847258] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.847923] ACPI: Added _OSI(Processor Aggregator Device) [ 3.874755] ACPI: Executed 2 blocks of module-level executable AML code [ 4.771765] ACPI: Interpreter enabled [ 4.772739] ACPI: (supports S0 S3 S4 S5) [ 4.773333] ACPI: Using IOAPIC for interrupt routing [ 4.774472] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.963979] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.964965] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.966367] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.969378] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.997304] PCI host bridge to bus 0000:00 [ 5.997969] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.998991] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.999973] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.001261] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.002328] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.045840] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.140003] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.146582] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.153527] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.160170] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.164407] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.725112] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.728960] vgaarb: loaded [ 6.732310] SCSI subsystem initialized [ 6.744550] ACPI: bus type USB registered [ 6.746232] usbcore: registered new interface driver usbfs [ 6.748164] usbcore: registered new interface driver hub [ 6.749416] usbcore: registered new device driver usb [ 6.751510] pps_core: LinuxPPS API ver. 1 registered [ 6.752362] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.754133] PTP clock support registered [ 6.756273] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.757381] dmi: Firmware registration failed. [ 6.758899] Advanced Linux Sound Architecture Driver Initialized. [ 6.760744] PCI: Using ACPI for IRQ routing [ 6.772958] NetLabel: Initializing [ 6.773486] NetLabel: domain hash size = 128 [ 6.774111] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.775078] NetLabel: unlabeled traffic allowed by default [ 6.777659] amd_nb: Cannot enumerate AMD northbridges [ 6.778888] clocksource: Switched to clocksource kvm-clock [ 6.965910] pnp: PnP ACPI init [ 6.990233] pnp: PnP ACPI: found 7 devices [ 7.003420] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.005327] NET: Registered protocol family 2 [ 7.007986] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 7.010721] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 7.018141] TCP: Hash tables configured (established 65536 bind 65536) [ 7.019422] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 7.021074] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 7.024541] NET: Registered protocol family 1 [ 7.025325] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.027149] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.028057] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 7.031004] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 7.032263] hw unit of domain pp0-core 2^-0 Joules [ 7.032923] hw unit of domain package 2^-0 Joules [ 7.033567] hw unit of domain dram 2^-16 Joules [ 7.039433] Scanning for low memory corruption every 60 seconds [ 7.048124] audit: initializing netlink subsys (disabled) [ 7.049222] audit: type=2000 audit(1531383569.010:1): initialized [ 7.055501] Initialise system trusted keyring [ 7.057789] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 7.194705] VFS: Disk quotas dquot_6.6.0 [ 7.196320] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.219326] fuse init (API version 7.23) [ 7.222839] 9p: Installing v9fs 9p2000 file system support [ 7.255569] async_tx: api initialized (async) [ 7.257391] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.258793] io scheduler noop registered [ 7.259414] io scheduler deadline registered [ 7.262580] io scheduler cfq registered (default) [ 7.271665] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.275512] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.276665] ACPI: Power Button [PWRF] [ 7.278413] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.279755] ACPI: Sleep Button [SLPF] [ 7.303882] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.304918] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver