[ 22.540405] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.109951] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 27.530848] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 28.536756] random: sshd: uninitialized urandom read (32 bytes read, 124 bits of entropy available) [ 28.687645] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program [ 34.343925] ================================================================== [ 34.351308] BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 [ 34.358299] Read of size 8 at addr ffff8801cd3e0140 by task syzkaller882728/3808 [ 34.365802] [ 34.367399] CPU: 1 PID: 3808 Comm: syzkaller882728 Not tainted 4.4.120-gd63fdf6 #28 [ 34.375162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.384482] 0000000000000000 87c644f59b5400f6 ffff8801d8c37ab0 ffffffff81d0408d [ 34.392452] ffffea000734f800 ffff8801cd3e0140 0000000000000000 ffff8801cd3e0140 [ 34.400421] ffff8801d9068238 ffff8801d8c37ae8 ffffffff814fe143 ffff8801cd3e0140 [ 34.408397] Call Trace: [ 34.410971] [] dump_stack+0xc1/0x124 [ 34.416309] [] print_address_description+0x73/0x260 [ 34.422943] [] kasan_report+0x285/0x370 [ 34.428535] [] ? sg_remove_request+0xf9/0x110 [ 34.434648] [] __asan_report_load8_noabort+0x14/0x20 [ 34.441368] [] sg_remove_request+0xf9/0x110 [ 34.447313] [] sg_finish_rem_req+0x295/0x340 [ 34.453340] [] sg_read+0xa1b/0x1490 [ 34.458585] [] ? sg_proc_seq_show_debug+0xda0/0xda0 [ 34.465241] [] ? new_slab+0x2df/0x3b0 [ 34.470676] [] ? sg_proc_seq_show_debug+0xda0/0xda0 [ 34.477316] [] __vfs_read+0x103/0x440 [ 34.482732] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 34.489711] [] ? vfs_iter_write+0x2d0/0x2d0 [ 34.495648] [] ? fsnotify+0x5ad/0xee0 [ 34.501065] [] ? fsnotify+0xee0/0xee0 [ 34.506485] [] ? lockdep_init_map+0xeb/0x1690 [ 34.512597] [] ? avc_policy_seqno+0x9/0x20 [ 34.518449] [] ? selinux_file_permission+0x348/0x460 [ 34.525167] [] ? security_file_permission+0x89/0x1e0 [ 34.531886] [] ? rw_verify_area+0x100/0x2f0 [ 34.537824] [] vfs_read+0x123/0x3a0 [ 34.543066] [] SyS_read+0xd9/0x1b0 [ 34.548220] [] ? do_sendfile+0xd30/0xd30 [ 34.553911] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 34.560385] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 34.566941] [ 34.568537] Allocated by task 0: [ 34.571864] (stack is not available) [ 34.575542] [ 34.577145] Freed by task 0: [ 34.580127] (stack is not available) [ 34.583802] [ 34.585405] The buggy address belongs to the object at ffff8801cd3e0100 [ 34.585405] which belongs to the cache fasync_cache of size 96 [ 34.598025] The buggy address is located 64 bytes inside of [ 34.598025] 96-byte region [ffff8801cd3e0100, ffff8801cd3e0160) [ 34.609689] The buggy address belongs to the page: [ 34.615628] kasan: CONFIG_KASAN_INLINE enabled [ 34.620035] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 34.632953] Dumping ftrace buffer: [ 34.636478] (ftrace buffer empty) [ 34.640168] Modules linked in: [ 34.643475] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.120-gd63fdf6 #28 [ 34.650464] Hardware name: Google Google Compute Engine/Google Compute 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: 0x0000000001423b2c 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) ) #28 SMP PREEMPT Tue Mar 6 13:16:06 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 2373867020 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 [ 1.168223] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.169457] pid_max: default: 32768 minimum: 301 [ 1.170193] ACPI: Core revision 20150930 [ 1.591776] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.593729] Security Framework initialized [ 1.594300] SELinux: Initializing. [ 1.595052] AppArmor: AppArmor disabled by boot time parameter [ 1.596091] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.597058] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.600843] Initializing cgroup subsys io [ 1.601567] Initializing cgroup subsys freezer [ 1.602214] Initializing cgroup subsys hugetlb [ 1.602843] Initializing cgroup subsys debug [ 1.603625] CPU: Physical Processor ID: 0 [ 1.605502] mce: CPU supports 32 MCE banks [ 1.606249] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.607078] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.608058] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.611270] Freeing SMP alternatives memory: 44K [ 1.620593] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.737580] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.739091] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.827853] x86: Booting SMP configuration: [ 1.828491] .... node #0, CPUs: #1 [ 1.829263] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.834029] x86: Booted up 1 node, 2 CPUs [ 1.834601] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.839315] devtmpfs: initialized [ 1.848900] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.850290] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.852590] xor: automatically using best checksumming function: [ 1.865265] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.947596] avx : 21524.400 MB/sec [ 1.948760] RTC time: 18:44:27, date: 03/21/18 [ 1.951055] NET: Registered protocol family 16 [ 1.952132] schedtune: init normalization constants... [ 1.952869] schedtune: no energy model data [ 1.953471] schedtune: disabled! [ 1.987795] cpuidle: using governor ladder [ 2.017631] cpuidle: using governor menu [ 2.018931] ACPI: bus type PCI registered [ 2.019523] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.022456] PCI: Using configuration type 1 for base access [ 2.034528] kworker/u4:0 (44) used greatest stack depth: 27448 bytes left [ 2.457585] raid6: sse2x1 gen() 4259 MB/s [ 2.627544] raid6: sse2x1 xor() 2063 MB/s [ 2.797539] raid6: sse2x2 gen() 5642 MB/s [ 2.967516] raid6: sse2x2 xor() 3284 MB/s [ 3.137515] raid6: sse2x4 gen() 6996 MB/s [ 3.307502] raid6: sse2x4 xor() 4520 MB/s [ 3.477501] raid6: avx2x1 gen() 8157 MB/s [ 3.647475] raid6: avx2x2 gen() 14208 MB/s [ 3.817463] raid6: avx2x4 gen() 18544 MB/s [ 3.818161] raid6: using algorithm avx2x4 gen() 18544 MB/s [ 3.818938] raid6: using avx2x2 recovery algorithm [ 3.820269] ACPI: Added _OSI(Module Device) [ 3.820899] ACPI: Added _OSI(Processor Device) [ 3.821526] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.822180] ACPI: Added _OSI(Processor Aggregator Device) [ 3.848278] ACPI: Executed 2 blocks of module-level executable AML code [ 4.692471] ACPI: Interpreter enabled [ 4.693468] ACPI: (supports S0 S3 S4 S5) [ 4.694028] ACPI: Using IOAPIC for interrupt routing [ 4.695906] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.832555] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.833690] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.834994] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.835977] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.861605] PCI host bridge to bus 0000:00 [ 5.862230] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.863346] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.864341] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.865421] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.866442] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.902303] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.980361] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.986225] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.992223] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.998056] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.001559] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.538211] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.541985] vgaarb: loaded [ 6.546077] SCSI subsystem initialized [ 6.549054] ACPI: bus type USB registered [ 6.550879] usbcore: registered new interface driver usbfs [ 6.552617] usbcore: registered new interface driver hub [ 6.553873] usbcore: registered new device driver usb [ 6.555950] pps_core: LinuxPPS API ver. 1 registered [ 6.557155] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.558697] PTP clock support registered [ 6.560603] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.561802] dmi: Firmware registration failed. [ 6.563262] Advanced Linux Sound Architecture Driver Initialized. [ 6.564849] PCI: Using ACPI for IRQ routing [ 6.573269] NetLabel: Initializing [ 6.573900] NetLabel: domain hash size = 128 [ 6.575068] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.576226] NetLabel: unlabeled traffic allowed by default [ 6.579249] amd_nb: Cannot enumerate AMD northbridges [ 6.580120] clocksource: Switched to clocksource kvm-clock [ 6.740149] pnp: PnP ACPI init [ 6.762443] pnp: PnP ACPI: found 7 devices [ 6.776198] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.777875] NET: Registered protocol family 2 [ 6.780480] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.782196] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.789341] TCP: Hash tables configured (established 65536 bind 65536) [ 6.790526] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.792096] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.795344] NET: Registered protocol family 1 [ 6.796130] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.797950] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.798857] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.801297] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.802569] hw unit of domain pp0-core 2^-0 Joules [ 6.803246] hw unit of domain package 2^-0 Joules [ 6.803886] hw unit of domain dram 2^-16 Joules [ 6.809433] Scanning for low memory corruption every 60 seconds [ 6.818452] audit: initializing netlink subsys (disabled) [ 6.819493] audit: type=2000 audit(1521657871.998:1): initialized [ 6.826990] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.959449] VFS: Disk quotas dquot_6.6.0 [ 6.961755] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.983794] fuse init (API version 7.23) [ 6.987821] 9p: Installing v9fs 9p2000 file system support [ 7.002105] async_tx: api initialized (async) [ 7.003864] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.005047] io scheduler noop registered [ 7.005619] io scheduler deadline registered [ 7.008027] io scheduler cfq registered (default) [ 7.018509] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.024395] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.025583] ACPI: Power Button [PWRF] [ 7.027251] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.028414] ACPI: Sleep Button [SLPF] [ 7.032701] kworker/u4:1 (1113) used greatest stack depth: 27080 bytes left [ 7.061681] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.062644] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.083977] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.084890] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.091519] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled