[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 17.123732] 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: [ 20.609413] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 20.859939] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 21.805803] random: sshd: uninitialized urandom read (32 bytes read, 112 bits of entropy available) [ 21.986413] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. [ 27.392689] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) executing program [ 27.484168] ================================================================== [ 27.491562] BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 [ 27.498547] Read of size 8 at addr ffff8801d0db1140 by task syzkaller148631/3329 [ 27.506049] [ 27.507650] CPU: 0 PID: 3329 Comm: syzkaller148631 Not tainted 4.4.111-g1849cd3 #26 [ 27.515410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.524737] 0000000000000000 e9f5a67fccaa7499 ffff8800b3ec79f0 ffffffff81d0509d [ 27.532725] ffffea0007436c40 ffff8801d0db1140 0000000000000000 ffff8801d0db1140 [ 27.540689] ffff8800b3f92338 ffff8800b3ec7a28 ffffffff814fd433 ffff8801d0db1140 [ 27.548652] Call Trace: [ 27.551213] [] dump_stack+0xc1/0x124 [ 27.556546] [] print_address_description+0x73/0x260 [ 27.563179] [] kasan_report+0x285/0x370 [ 27.568773] [] ? sg_remove_request+0xf9/0x110 [ 27.574887] [] __asan_report_load8_noabort+0x14/0x20 [ 27.581606] [] sg_remove_request+0xf9/0x110 [ 27.587546] [] sg_finish_rem_req+0x295/0x340 [ 27.594352] [] sg_read+0xa21/0x1490 [ 27.601340] [] ? __check_object_size+0x154/0x35b [ 27.607721] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 27.614366] [] ? fsnotify+0xee0/0xee0 [ 27.619789] [] ? avc_policy_seqno+0x9/0x20 [ 27.625644] [] do_loop_readv_writev+0x141/0x1e0 [ 27.631930] [] ? security_file_permission+0x89/0x1e0 [ 27.638649] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 27.645283] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 27.651917] [] do_readv_writev+0x5dd/0x6e0 [ 27.657769] [] ? vfs_write+0x530/0x530 [ 27.663274] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.669214] [] ? fasync_insert_entry+0x147/0x2e0 [ 27.675594] [] ? fasync_helper+0x7a/0xb0 [ 27.681272] [] ? do_vfs_ioctl+0x468/0xee0 [ 27.687039] [] ? ioctl_preallocate+0x1f0/0x1f0 [ 27.695946] [] vfs_readv+0x78/0xb0 [ 27.702063] [] SyS_readv+0xd9/0x240 [ 27.707308] [] ? rw_copy_check_uvector+0x2d0/0x2d0 [ 27.713861] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 27.720322] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 27.727301] [ 27.729330] Allocated by task 0: [ 27.734136] (stack is not available) [ 27.737813] [ 27.739407] Freed by task 0: [ 27.742390] (stack is not available) [ 27.746066] [ 27.747665] The buggy address belongs to the object at ffff8801d0db1100 [ 27.747665] which belongs to the cache fasync_cache of size 96 [ 27.760291] The buggy address is located 64 bytes inside of [ 27.760291] 96-byte region [ffff8801d0db1100, ffff8801d0db1160) [ 27.771958] The buggy address belongs to the page: [ 28.353987] BUG: unable to handle kernel paging request at fffffffd23dea300 [ 28.361397] IP: [] cpuacct_charge+0x155/0x390 [ 28.367591] PGD 420f067 PUD 0 [ 28.371034] Oops: 0000 [#1] PREEMPT SMP KASAN [ 28.376041] Dumping ftrace buffer: [ 28.379571] (ftrace buffer empty) [ 28.383271] Modules linked in: [ 28.387546] CPU: 1 PID: 1614 Comm: kworker/1:2 Not tainted 4.4.111-g1849cd3 #26 [ 28.394981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.404340] Workqueue: events vmstat_shepherd [ 28.408966] task: ffff8801d49c17c0 task.stack: ffff8801d4ae8000 [ 28.415009] RIP: 0010:[] [] cpuacct_charge+0x155/0x390 [ 28.423649] RSP: 0018:ffff8801d4aef890 EFLAGS: 00010046 [ 28.429097] RAX: 1ffffffff0854dff RBX: 0000000000018528 RCX: ffffffff847ea080 [ 28.436372] RDX: fffffbffa47bd460 RSI: fffffffd23dea300 RDI: ffffffff842a6ff8 [ 28.443983] RBP: ffff8801d4aef8d8 R08: 0000000000000001 R09: 0000000000000001 [ 28.451251] R10: 0000000000000000 R11: 1ffff1003a95dede R12: ffffffff842a6f20 [ 28.458519] R13: dffffc0000000000 R14: 0000000033dde88b R15: ffffffffb3ec0050 [ 28.465787] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 28.474012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.479892] CR2: fffffffd23dea300 CR3: 00000000b4410000 CR4: 0000000000160670 [ 28.487160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.495987] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.503247] Stack: [ 28.505384] ffffffff8122a4a0 ffff8801d4aef8c0 0000000000000046 0000000000000003 [ 28.513441] ffff8801d0e59820 ffffffff83843900 0000000033dde88b ffff8801d0e59870 [ 28.521494] ffff8801d0e597c0 ffff8801d4aef928 ffffffff811dc017 ffff8801db21f4c0 [ 28.529541] Call Trace: [ 28.532121] [] ? cpuacct_charge+0x60/0x390 [ 28.537999] [] update_curr+0x2c7/0x6c0 [ 28.543532] [] enqueue_task_fair+0x313/0x2940 [ 28.549679] [] activate_task+0x148/0x270 [ 28.555389] [] ttwu_do_activate.constprop.131+0xbf/0x1e0 [ 28.563015] [] try_to_wake_up+0x68d/0xf60 [ 28.568821] [] ? __lock_is_held+0xa1/0xf0 [ 28.574624] [] wake_up_process+0x15/0x20 [ 28.580340] [] insert_work+0x171/0x210 [ 28.585875] [] __queue_work+0x3dc/0xea0 [ 28.591504] [] __queue_delayed_work+0x237/0x390 [ 28.597828] [] queue_delayed_work_on+0x59/0xb0 [ 28.604067] [] vmstat_shepherd+0x1c9/0x230 [ 28.610129] [] process_one_work+0x7d7/0x16e0 [ 28.616193] [] ? process_one_work+0x6f7/0x16e0 [ 28.622432] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 28.629702] [] ? worker_thread+0x284/0xfe0 [ 28.635909] [] worker_thread+0xdf/0xfe0 [ 28.641537] [] ? __schedule+0xa9d/0x1c70 [ 28.647255] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 28.654189] [] kthread+0x268/0x300 [ 28.659384] [] ? process_one_work+0x16e0/0x16e0 [ 28.665705] [] ? kthread_create_on_node+0x400/0x400 [ 28.672394] [] ? kthread_create_on_node+0x400/0x400 [ 28.679066] [] ret_from_fork+0x3f/0x70 [ 28.684612] [] ? kthread_create_on_node+0x400/0x400 [ 28.691266] Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 9e 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 0a 02 00 00 <4a> 03 1c f9 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 cf 01 00 [ 28.718804] RIP [] cpuacct_charge+0x155/0x390 [ 28.725078] RSP [ 28.729128] CR2: fffffffd23dea300 [ 28.733972] ---[ end trace 7e7473a532665049 ]--- [ 28.739344] Kernel panic - not syncing: Fatal exception SeaBIOS (version 1.8.2-20171130_102032-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 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 0x000f3050: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039c526e input_len: 0x00000000014268a0 output: 0x0000000001000000 output_len: 0x0000000003dd7a40 run_size: 0x000000000550d000 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 4.4.111-g1849cd3 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #26 SMP PREEMPT Sun Jan 14 10:07:27 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] 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 = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f32c0-0x000f32cf] mapped at [ffff8800000f32c0] [ 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 0x00000000000F3090 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 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 2051573386 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 0x0000000000100000-0x00000000bfffcfff] [ 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 0xbfffd000-0xbfffffff] [ 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: 1935238 [ 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: 6581460K/7863916K available (40429K kernel code, 6130K rwdata, 8808K rodata, 1844K init, 23616K bss, 1282456K 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 [ 1.272866] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.274074] pid_max: default: 32768 minimum: 301 [ 1.274782] ACPI: Core revision 20150930 [ 1.347391] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.348654] Security Framework initialized [ 1.349224] SELinux: Initializing. [ 1.349880] AppArmor: AppArmor disabled by boot time parameter [ 1.350804] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.351793] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.355627] Initializing cgroup subsys io [ 1.356255] Initializing cgroup subsys freezer [ 1.356910] Initializing cgroup subsys hugetlb [ 1.357539] Initializing cgroup subsys debug [ 1.358321] CPU: Physical Processor ID: 0 [ 1.360219] mce: CPU supports 32 MCE banks [ 1.360987] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.361825] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.365116] Freeing SMP alternatives memory: 44K [ 1.374247] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.492224] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.493766] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.582549] x86: Booting SMP configuration: [ 1.583256] .... node #0, CPUs: #1 [ 1.584065] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.588942] x86: Booted up 1 node, 2 CPUs [ 1.589532] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.594391] devtmpfs: initialized [ 1.604130] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.605578] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.607241] xor: automatically using best checksumming function: [ 1.620157] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left [ 1.702228] avx : 21646.800 MB/sec [ 1.703514] RTC time: 12:08:19, date: 01/15/18 [ 1.705916] NET: Registered protocol family 16 [ 1.707024] schedtune: init normalization constants... [ 1.707774] schedtune: no energy model data [ 1.708348] schedtune: disabled! [ 1.742594] cpuidle: using governor ladder [ 1.772283] cpuidle: using governor menu [ 1.773625] ACPI: bus type PCI registered [ 1.774234] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.777128] PCI: Using configuration type 1 for base access [ 1.782425] kworker/u4:1 (43) used greatest stack depth: 27544 bytes left [ 1.786956] kworker/u4:1 (52) used greatest stack depth: 27224 bytes left [ 2.232198] raid6: sse2x1 gen() 4760 MB/s [ 2.402183] raid6: sse2x1 xor() 2448 MB/s [ 2.572156] raid6: sse2x2 gen() 7541 MB/s [ 2.742152] raid6: sse2x2 xor() 4229 MB/s [ 2.912131] raid6: sse2x4 gen() 9694 MB/s [ 3.082122] raid6: sse2x4 xor() 5071 MB/s [ 3.252104] raid6: avx2x1 gen() 9431 MB/s [ 3.422091] raid6: avx2x2 gen() 14612 MB/s [ 3.592071] raid6: avx2x4 gen() 19020 MB/s [ 3.592733] raid6: using algorithm avx2x4 gen() 19020 MB/s [ 3.593503] raid6: using avx2x2 recovery algorithm [ 3.594822] ACPI: Added _OSI(Module Device) [ 3.595513] ACPI: Added _OSI(Processor Device) [ 3.596181] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.596823] ACPI: Added _OSI(Processor Aggregator Device) [ 3.607317] ACPI: Executed 2 blocks of module-level executable AML code [ 3.683532] ACPI: Interpreter enabled [ 3.684497] ACPI: (supports S0 S3 S4 S5) [ 3.685045] ACPI: Using IOAPIC for interrupt routing [ 3.686184] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.896371] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.897323] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.898657] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.899653] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.926138] PCI host bridge to bus 0000:00 [ 3.926776] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.927705] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.928671] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.929719] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.930752] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.967563] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.047931] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.053811] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.059293] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.064699] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.067936] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.081001] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.084507] vgaarb: loaded [ 4.087676] SCSI subsystem initialized [ 4.093832] ACPI: bus type USB registered [ 4.095888] usbcore: registered new interface driver usbfs [ 4.097661] usbcore: registered new interface driver hub [ 4.098825] usbcore: registered new device driver usb [ 4.100977] pps_core: LinuxPPS API ver. 1 registered [ 4.102298] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.103846] PTP clock support registered [ 4.106916] Advanced Linux Sound Architecture Driver Initialized. [ 4.108530] PCI: Using ACPI for IRQ routing [ 4.116477] NetLabel: Initializing [ 4.116964] NetLabel: domain hash size = 128 [ 4.117561] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.118535] NetLabel: unlabeled traffic allowed by default [ 4.121007] amd_nb: Cannot enumerate AMD northbridges [ 4.122230] clocksource: Switched to clocksource kvm-clock [ 4.282648] pnp: PnP ACPI init [ 4.305598] pnp: PnP ACPI: found 7 devices [ 4.318764] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.320341] NET: Registered protocol family 2 [ 4.323488] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.325647] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.332926] TCP: Hash tables configured (established 65536 bind 65536) [ 4.334056] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.335639] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.338852] NET: Registered protocol family 1 [ 4.339586] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.341296] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.342184] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.344930] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.346134] hw unit of domain pp0-core 2^-0 Joules [ 4.346787] hw unit of domain package 2^-0 Joules [ 4.347444] hw unit of domain dram 2^-16 Joules [ 4.353127] Scanning for low memory corruption every 60 seconds [ 4.361198] audit: initializing netlink subsys (disabled) [ 4.362222] audit: type=2000 audit(1516018101.778:1): initialized [ 4.369882] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.504167] VFS: Disk quotas dquot_6.6.0 [ 4.505838] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.528570] fuse init (API version 7.23) [ 4.531997] 9p: Installing v9fs 9p2000 file system support [ 4.547409] async_tx: api initialized (async) [ 4.549213] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.550623] io scheduler noop registered [ 4.551180] io scheduler deadline registered [ 4.553753] io scheduler cfq registered (default) [ 4.563201] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.567778] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.569353] ACPI: Power Button [PWRF] [ 4.571091] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.573243] ACPI: Sleep Button [SLPF] [ 4.597972] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.598871] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.621232] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.622167] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.629320] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.652909] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.678715] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.704003] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.729432] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.738292] Non-volatile memory driver v1.3 [ 4.740571] Linux agpgart interface v0.103 [ 4.743750] [drm] Initialized drm 1.1.0 20060810 [ 4.843431] brd: module loaded [ 4.904087] loop: module loaded [ 4.937763] nbd: registered device at major 43 [ 5.075208] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 5.076365] drbd: built-in [ 5.077055] drbd: registered as block device major 147 [ 5.114134] scsi host0: Virtio SCSI HBA [ 5.142030] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.342580] tsc: Refined TSC clocksource calibration: 2299.913 MHz [ 5.343554] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126e30621e, max_idle_ns: 440795322013 ns