[....] Starting OpenBSD Secure Shell server: sshd[ 21.737286] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.330191] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 25.786638] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 26.812680] random: sshd: uninitialized urandom read (32 bytes read, 122 bits of entropy available) [ 26.995676] random: sshd: uninitialized urandom read (32 bytes read, 128 bits of entropy available) [ 27.091288] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.36' (ECDSA) to the list of known hosts. executing program [ 32.471795] ================================================================== [ 32.479183] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 32.485814] Read of size 8 at addr ffff8800bad0f238 by task syzkaller868645/3982 [ 32.493318] [ 32.494914] CPU: 1 PID: 3982 Comm: syzkaller868645 Not tainted 4.4.113-g962d1f3 #2 [ 32.502587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.511907] 0000000000000000 8c93b7ce0269e9c7 ffff8800b9f1f8f0 ffffffff81d028ed [ 32.519866] ffffea0002eb4380 ffff8800bad0f238 0000000000000000 ffff8800bad0f238 [ 32.527826] 0000000000000000 ffff8800b9f1f928 ffffffff814fd1c3 ffff8800bad0f238 [ 32.535783] Call Trace: [ 32.538342] [] dump_stack+0xc1/0x124 [ 32.543677] [] print_address_description+0x73/0x260 [ 32.550307] [] kasan_report+0x285/0x370 [ 32.555900] [] ? __lock_acquire+0x387e/0x4b50 [ 32.562012] [] __asan_report_load8_noabort+0x14/0x20 [ 32.568729] [] __lock_acquire+0x387e/0x4b50 [ 32.574669] [] ? __lock_acquire+0xb5f/0x4b50 [ 32.580693] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.587681] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.594661] [] ? mark_held_locks+0xaf/0x100 [ 32.600598] [] lock_acquire+0x15e/0x460 [ 32.606190] [] ? remove_wait_queue+0x14/0x40 [ 32.612216] [] _raw_spin_lock_irqsave+0x4e/0x70 [ 32.618634] [] ? remove_wait_queue+0x14/0x40 [ 32.624668] [] remove_wait_queue+0x14/0x40 [ 32.630524] [] ep_unregister_pollwait.isra.6+0xa8/0x220 [ 32.637506] [] ? ep_unregister_pollwait.isra.6+0x114/0x220 [ 32.644749] [] ? ep_free+0x1c0/0x1c0 [ 32.650081] [] ep_free+0x93/0x1c0 [ 32.655153] [] ? ep_free+0x1c0/0x1c0 [ 32.660482] [] ep_eventpoll_release+0x44/0x60 [ 32.666596] [] __fput+0x233/0x6d0 [ 32.671667] [] ____fput+0x15/0x20 [ 32.676741] [] task_work_run+0x104/0x180 [ 32.682422] [] do_exit+0x82a/0x2a10 [ 32.687673] [] ? binder_ioctl_write_read.isra.55+0xbc0/0xbc0 [ 32.695087] [] ? release_task+0x1240/0x1240 [ 32.701025] [] ? SyS_epoll_create+0x190/0x190 [ 32.707136] [] do_group_exit+0x108/0x320 [ 32.712814] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 32.719272] [] SyS_exit_group+0x1d/0x20 [ 32.724952] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.731494] [ 32.733093] Allocated by task 3982: [ 32.736686] [] save_stack_trace+0x26/0x50 [ 32.742569] [] save_stack+0x43/0xd0 [ 32.747930] [] kasan_kmalloc+0xad/0xe0 [ 32.753554] [] kmem_cache_alloc_trace+0x100/0x2b0 [ 32.760129] [] binder_get_thread+0x15d/0x750 [ 32.766274] [] binder_poll+0x4a/0x210 [ 32.771803] [] SyS_epoll_ctl+0x10b1/0x2040 [ 32.777769] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.784433] [ 32.786032] Freed by task 3982: [ 32.789287] [] save_stack_trace+0x26/0x50 [ 32.795167] [] save_stack+0x43/0xd0 [ 32.800533] [] kasan_slab_free+0x72/0xc0 [ 32.806328] [] kfree+0xfc/0x300 [ 32.811337] [] binder_thread_dec_tmpref+0x1c1/0x250 [ 32.818085] [] binder_thread_release+0x27d/0x540 [ 32.824585] [] binder_ioctl+0xb94/0x12e0 [ 32.830378] [] do_vfs_ioctl+0x7aa/0xee0 [ 32.836088] [] SyS_ioctl+0x8f/0xc0 [ 32.841361] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.848021] [ 32.849616] The buggy address belongs to the object at ffff8800bad0f180 [ 32.849616] which belongs to the cache kmalloc-512 of size 512 [ 32.862240] The buggy address is located 184 bytes inside of [ 32.862240] 512-byte region [ffff8800bad0f180, ffff8800bad0f380) [ 32.874077] The buggy address belongs to the page: 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 0x000f2850: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039cb26e input_len: 0x0000000001424688 output: 0x0000000001000000 output_len: 0x0000000003ddaa40 run_size: 0x0000000005510000 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 4.4.113-g962d1f3 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #2 SMP PREEMPT Mon Jan 29 16:51:40 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 0x000f28d0-0x000f28df] mapped at [ffff8800000f28d0] [ 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 0x00000000000F2890 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 1963155318 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 (40414K kernel code, 6135K rwdata, 8812K rodata, 1852K 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 [ 1.102929] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.104090] pid_max: default: 32768 minimum: 301 [ 1.104792] ACPI: Core revision 20150930 [ 1.531355] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.533236] Security Framework initialized [ 1.533818] SELinux: Initializing. [ 1.534479] AppArmor: AppArmor disabled by boot time parameter [ 1.535386] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.536311] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.539975] Initializing cgroup subsys io [ 1.540576] Initializing cgroup subsys freezer [ 1.541242] Initializing cgroup subsys hugetlb [ 1.541866] Initializing cgroup subsys debug [ 1.542678] CPU: Physical Processor ID: 0 [ 1.544414] mce: CPU supports 32 MCE banks [ 1.545169] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.546021] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.546949] Spectre V2 mitigation: Vulnerable: Minimal generic ASM retpoline [ 1.550183] Freeing SMP alternatives memory: 44K [ 1.559858] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.672271] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.673709] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.762504] x86: Booting SMP configuration: [ 1.763137] .... node #0, CPUs: #1 [ 1.763924] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.768574] x86: Booted up 1 node, 2 CPUs [ 1.769153] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.773706] devtmpfs: initialized [ 1.783233] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.784590] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.786234] xor: automatically using best checksumming function: [ 1.789414] kworker/u4:0 (21) used greatest stack depth: 28008 bytes left [ 1.882274] avx : 21492.000 MB/sec [ 1.883470] RTC time: 22:03:07, date: 01/29/18 [ 1.885787] NET: Registered protocol family 16 [ 1.886892] schedtune: init normalization constants... [ 1.887628] schedtune: no energy model data [ 1.888204] schedtune: disabled! [ 1.892120] kworker/u4:0 (29) used greatest stack depth: 27688 bytes left [ 1.922655] cpuidle: using governor ladder [ 1.952342] cpuidle: using governor menu [ 1.953571] ACPI: bus type PCI registered [ 1.954131] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.957052] PCI: Using configuration type 1 for base access [ 1.965310] kworker/u4:1 (49) used greatest stack depth: 27512 bytes left [ 2.392231] raid6: sse2x1 gen() 4755 MB/s [ 2.562210] raid6: sse2x1 xor() 2534 MB/s [ 2.732185] raid6: sse2x2 gen() 7574 MB/s [ 2.902174] raid6: sse2x2 xor() 4354 MB/s [ 3.072155] raid6: sse2x4 gen() 9842 MB/s [ 3.242132] raid6: sse2x4 xor() 5708 MB/s [ 3.412119] raid6: avx2x1 gen() 9414 MB/s [ 3.582111] raid6: avx2x2 gen() 14528 MB/s [ 3.752085] raid6: avx2x4 gen() 19078 MB/s [ 3.752753] raid6: using algorithm avx2x4 gen() 19078 MB/s [ 3.753496] raid6: using avx2x2 recovery algorithm [ 3.754836] ACPI: Added _OSI(Module Device) [ 3.755485] ACPI: Added _OSI(Processor Device) [ 3.756108] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.756754] ACPI: Added _OSI(Processor Aggregator Device) [ 3.782857] ACPI: Executed 2 blocks of module-level executable AML code [ 4.658215] ACPI: Interpreter enabled [ 4.659146] ACPI: (supports S0 S3 S4 S5) [ 4.659712] ACPI: Using IOAPIC for interrupt routing [ 4.660865] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.830237] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.831251] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.832569] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.833583] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.860100] PCI host bridge to bus 0000:00 [ 5.860742] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.861691] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.862857] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.863905] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.864926] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.900613] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.975798] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.981424] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.987144] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.992639] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.995966] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.554287] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.557985] vgaarb: loaded [ 6.561401] SCSI subsystem initialized [ 6.565313] ACPI: bus type USB registered [ 6.567060] usbcore: registered new interface driver usbfs [ 6.568414] usbcore: registered new interface driver hub [ 6.569518] usbcore: registered new device driver usb [ 6.572063] pps_core: LinuxPPS API ver. 1 registered [ 6.573055] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.574496] PTP clock support registered [ 6.576447] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.577540] dmi: Firmware registration failed. [ 6.579023] Advanced Linux Sound Architecture Driver Initialized. [ 6.580637] PCI: Using ACPI for IRQ routing [ 6.589046] NetLabel: Initializing [ 6.589553] NetLabel: domain hash size = 128 [ 6.590150] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.591183] NetLabel: unlabeled traffic allowed by default [ 6.594063] amd_nb: Cannot enumerate AMD northbridges [ 6.594851] clocksource: Switched to clocksource kvm-clock [ 6.756043] pnp: PnP ACPI init [ 6.779196] pnp: PnP ACPI: found 7 devices [ 6.792921] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.794500] NET: Registered protocol family 2 [ 6.797465] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.798954] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.806233] TCP: Hash tables configured (established 65536 bind 65536) [ 6.807420] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.808976] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.812181] NET: Registered protocol family 1 [ 6.812923] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.814679] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.816168] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.818079] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.819335] hw unit of domain pp0-core 2^-0 Joules [ 6.819990] hw unit of domain package 2^-0 Joules [ 6.820672] hw unit of domain dram 2^-16 Joules [ 6.826297] Scanning for low memory corruption every 60 seconds [ 6.835696] audit: initializing netlink subsys (disabled) [ 6.837010] audit: type=2000 audit(1517263391.839:1): initialized [ 6.844067] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.978290] VFS: Disk quotas dquot_6.6.0 [ 6.979905] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.002737] fuse init (API version 7.23) [ 7.006226] 9p: Installing v9fs 9p2000 file system support [ 7.022055] async_tx: api initialized (async) [ 7.024051] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.026406] io scheduler noop registered [ 7.027010] io scheduler deadline registered [ 7.029372] io scheduler cfq registered (default) [ 7.040945] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.045303] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.047168] ACPI: Power Button [PWRF] [ 7.049030] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.050223] ACPI: Sleep Button [SLPF] [ 7.085948] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.086883] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.107332] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.108299] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.114589] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.137632] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.163126] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.188495] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.213662] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.222115] Non-volatile memory driver v1.3 [ 7.224077] Linux agpgart interface v0.103 [ 7.228129] [drm] Initialized drm 1.1.0 20060810 [ 7.327507] brd: module loaded [ 7.374364] loop: module loaded