[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.420309] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.122055] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [ 19.509442] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.460804] random: sshd: uninitialized urandom read (32 bytes read, 103 bits of entropy available) [ 20.611561] random: sshd: uninitialized urandom read (32 bytes read, 105 bits of entropy available) Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. [ 26.070713] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) 2018/04/09 06:08:31 parsed 1 programs 2018/04/09 06:08:31 executed programs: 0 [ 26.494570] IPVS: Creating netns size=2552 id=1 [ 27.303060] ================================================================== [ 27.310457] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xe8/0x100 [ 27.317705] Read of size 4 at addr ffff8801c7ce6f00 by task syz-executor0/3787 [ 27.325033] [ 27.326635] CPU: 0 PID: 3787 Comm: syz-executor0 Not tainted 4.4.125-g38f41ec #21 [ 27.334222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.343553] 0000000000000000 fb1ec553a1298969 ffff8800ad7ffc78 ffffffff81d067bd [ 27.351524] ffffea00071f3980 ffff8801c7ce6f00 0000000000000000 ffff8801c7ce6f00 [ 27.359495] ffffffff82ded950 ffff8800ad7ffcb0 ffffffff814fea83 ffff8801c7ce6f00 [ 27.367456] Call Trace: [ 27.370017] [] dump_stack+0xc1/0x124 [ 27.375357] [] ? sock_release+0x1e0/0x1e0 [ 27.381125] [] print_address_description+0x73/0x260 [ 27.388418] [] ? sock_release+0x1e0/0x1e0 [ 27.394193] [] kasan_report+0x285/0x370 [ 27.399792] [] ? l2tp_session_queue_purge+0xe8/0x100 [ 27.406516] [] __asan_report_load4_noabort+0x14/0x20 [ 27.413242] [] l2tp_session_queue_purge+0xe8/0x100 [ 27.419789] [] ? sock_release+0x1e0/0x1e0 [ 27.425559] [] pppol2tp_release+0x1ff/0x310 [ 27.431501] [] sock_release+0x8d/0x1e0 [ 27.437006] [] sock_close+0x16/0x20 [ 27.442263] [] __fput+0x233/0x6d0 [ 27.447339] [] ____fput+0x15/0x20 [ 27.452415] [] task_work_run+0x104/0x180 [ 27.458103] [] exit_to_usermode_loop+0x13d/0x160 [ 27.464478] [] do_fast_syscall_32+0x614/0x8a0 [ 27.470595] [] sysenter_flags_fixed+0xd/0x17 [ 27.476622] [ 27.478220] Allocated by task 3787: [ 27.481810] [] save_stack_trace+0x26/0x50 [ 27.487708] [] save_stack+0x43/0xd0 [ 27.493074] [] kasan_kmalloc+0xad/0xe0 [ 27.498698] [] __kmalloc+0x124/0x320 [ 27.504157] [] l2tp_session_create+0x39/0x10f0 [ 27.510476] [] pppol2tp_connect+0x10fc/0x1930 [ 27.516725] [] SYSC_connect+0x1b6/0x310 [ 27.522441] [] SyS_connect+0x24/0x30 [ 27.527891] [] do_fast_syscall_32+0x321/0x8a0 [ 27.534122] [] sysenter_flags_fixed+0xd/0x17 [ 27.540269] [ 27.541866] Freed by task 3786: [ 27.545109] [] save_stack_trace+0x26/0x50 [ 27.550991] [] save_stack+0x43/0xd0 [ 27.556355] [] kasan_slab_free+0x72/0xc0 [ 27.562150] [] kfree+0xfc/0x300 [ 27.567167] [] l2tp_session_free+0x170/0x200 [ 27.573320] [] l2tp_tunnel_closeall+0x2d1/0x3b0 [ 27.579723] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 27.586125] [] udpv6_destroy_sock+0xb1/0xd0 [ 27.592183] [] sk_common_release+0x6b/0x300 [ 27.598249] [] udp_lib_close+0x15/0x20 [ 27.603873] [] inet_release+0xfa/0x1d0 [ 27.609496] [] inet6_release+0x50/0x70 [ 27.615121] [] sock_release+0x8d/0x1e0 [ 27.620747] [] sock_close+0x16/0x20 [ 27.626114] [] __fput+0x233/0x6d0 [ 27.631304] [] ____fput+0x15/0x20 [ 27.636496] [] task_work_run+0x104/0x180 [ 27.642294] [] exit_to_usermode_loop+0x13d/0x160 [ 27.648786] [] do_fast_syscall_32+0x614/0x8a0 [ 27.655015] [] sysenter_flags_fixed+0xd/0x17 [ 27.661171] [ 27.662770] The buggy address belongs to the object at ffff8801c7ce6f00 [ 27.662770] which belongs to the cache kmalloc-512 of size 512 [ 27.675405] The buggy address is located 0 bytes inside of [ 27.675405] 512-byte region [ffff8801c7ce6f00, ffff8801c7ce7100) [ 27.687073] The buggy address belongs to the page: 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 0x000f2350: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039c926e input_len: 0x0000000001427f56 output: 0x0000000001000000 output_len: 0x0000000003ddca40 run_size: 0x0000000005516000 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 4.4.125-g38f41ec (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #21 SMP PREEMPT Thu Mar 29 11:51:28 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 0x000f23d0-0x000f23df] mapped at [ffff8800000f23d0] [ 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 0x00000000000F2390 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 1961978931 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: 6581380K/7863876K available (40445K kernel code, 6140K rwdata, 8816K rodata, 1852K init, 23632K bss, 1282496K 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 [ 1.214571] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.215758] pid_max: default: 32768 minimum: 301 [ 1.216466] ACPI: Core revision 20150930 [ 1.621268] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.623223] Security Framework initialized [ 1.623839] SELinux: Initializing. [ 1.624496] AppArmor: AppArmor disabled by boot time parameter [ 1.625399] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.626326] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.629968] Initializing cgroup subsys io [ 1.630582] Initializing cgroup subsys freezer [ 1.631226] Initializing cgroup subsys hugetlb [ 1.631894] Initializing cgroup subsys debug [ 1.632647] CPU: Physical Processor ID: 0 [ 1.634633] mce: CPU supports 32 MCE banks [ 1.635368] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.636188] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.637106] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.640222] Freeing SMP alternatives memory: 44K [ 1.651902] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.763789] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.765305] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.854093] x86: Booting SMP configuration: [ 1.854788] .... node #0, CPUs: #1 [ 1.855542] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.860204] x86: Booted up 1 node, 2 CPUs [ 1.860794] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.865723] devtmpfs: initialized [ 1.875133] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.876508] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.878106] xor: automatically using best checksumming function: [ 1.891070] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.973875] avx : 21098.400 MB/sec [ 1.975024] RTC time: 6:08:37, date: 04/09/18 [ 1.977328] NET: Registered protocol family 16 [ 1.978443] schedtune: init normalization constants... [ 1.979147] schedtune: no energy model data [ 1.979778] schedtune: disabled! [ 1.983271] kworker/u4:1 (27) used greatest stack depth: 27672 bytes left [ 2.004172] cpuidle: using governor ladder [ 2.033959] cpuidle: using governor menu [ 2.035237] ACPI: bus type PCI registered [ 2.035836] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.038289] PCI: Using configuration type 1 for base access [ 2.043655] kworker/u4:1 (46) used greatest stack depth: 27448 bytes left [ 2.393939] raid6: sse2x1 gen() 4679 MB/s [ 2.563984] raid6: sse2x1 xor() 2560 MB/s [ 2.734013] raid6: sse2x2 gen() 7532 MB/s [ 2.904050] raid6: sse2x2 xor() 4310 MB/s [ 3.074086] raid6: sse2x4 gen() 8966 MB/s [ 3.244106] raid6: sse2x4 xor() 5635 MB/s [ 3.414159] raid6: avx2x1 gen() 9189 MB/s [ 3.584177] raid6: avx2x2 gen() 14551 MB/s [ 3.754214] raid6: avx2x4 gen() 18915 MB/s [ 3.754875] raid6: using algorithm avx2x4 gen() 18915 MB/s [ 3.755709] raid6: using avx2x2 recovery algorithm [ 3.756956] ACPI: Added _OSI(Module Device) [ 3.757571] ACPI: Added _OSI(Processor Device) [ 3.758182] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.758829] ACPI: Added _OSI(Processor Aggregator Device) [ 3.784720] ACPI: Executed 2 blocks of module-level executable AML code [ 4.634029] ACPI: Interpreter enabled [ 4.634961] ACPI: (supports S0 S3 S4 S5) [ 4.635556] ACPI: Using IOAPIC for interrupt routing [ 4.636613] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.769968] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.770975] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.772266] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.773266] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.798804] PCI host bridge to bus 0000:00 [ 5.799441] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.800408] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.801469] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.802504] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.803524] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.842242] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.924950] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.930910] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.936644] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.942539] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.946140] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.490027] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.493568] vgaarb: loaded [ 6.497523] SCSI subsystem initialized [ 6.506553] ACPI: bus type USB registered [ 6.508395] usbcore: registered new interface driver usbfs [ 6.510180] usbcore: registered new interface driver hub [ 6.511327] usbcore: registered new device driver usb [ 6.514411] pps_core: LinuxPPS API ver. 1 registered [ 6.515488] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.516925] PTP clock support registered [ 6.518906] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.519993] dmi: Firmware registration failed. [ 6.521468] Advanced Linux Sound Architecture Driver Initialized. [ 6.523019] PCI: Using ACPI for IRQ routing [ 6.534951] NetLabel: Initializing [ 6.535473] NetLabel: domain hash size = 128 [ 6.536072] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.537098] NetLabel: unlabeled traffic allowed by default [ 6.539574] amd_nb: Cannot enumerate AMD northbridges [ 6.540419] clocksource: Switched to clocksource kvm-clock [ 6.699541] pnp: PnP ACPI init [ 6.721905] pnp: PnP ACPI: found 7 devices [ 6.735910] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.737541] NET: Registered protocol family 2 [ 6.740022] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.742151] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.749533] TCP: Hash tables configured (established 65536 bind 65536) [ 6.750793] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.752430] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.755863] NET: Registered protocol family 1 [ 6.756603] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.758338] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.759228] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.761729] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.763063] hw unit of domain pp0-core 2^-0 Joules [ 6.763717] hw unit of domain package 2^-0 Joules [ 6.764408] hw unit of domain dram 2^-16 Joules [ 6.769905] Scanning for low memory corruption every 60 seconds [ 6.777736] audit: initializing netlink subsys (disabled) [ 6.778815] audit: type=2000 audit(1523254121.924:1): initialized [ 6.787062] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.915978] VFS: Disk quotas dquot_6.6.0 [ 6.917538] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.939574] fuse init (API version 7.23) [ 6.943992] 9p: Installing v9fs 9p2000 file system support [ 6.957612] async_tx: api initialized (async) [ 6.959357] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 6.960881] io scheduler noop registered [ 6.962125] io scheduler deadline registered [ 6.964848] io scheduler cfq registered (default) [ 6.974891] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 6.978686] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.979896] ACPI: Power Button [PWRF] [ 6.982450] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.983719] ACPI: Sleep Button [SLPF] [ 7.006985] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.007914] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.029928] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.030908] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.037945] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.062000] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.087129] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.112715] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.138230] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.147844] Non-volatile memory driver v1.3 [ 7.149764] Linux agpgart interface v0.103 [ 7.153263] [drm] Initialized drm 1.1.0 20060810 [ 7.251109] brd: module loaded [ 7.329852] loop: module loaded [ 7.354181] nbd: registered device at major 43