[ 15.253360] random: sshd: uninitialized urandom read (32 bytes read, 32 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: [ 21.440024] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 21.978707] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 22.662326] random: sshd: uninitialized urandom read (32 bytes read, 67 bits of entropy available) [ 26.665543] random: sshd: uninitialized urandom read (32 bytes read, 73 bits of entropy available) Warning: Permanently added '10.128.15.245' (ECDSA) to the list of known hosts. [ 32.065914] random: sshd: uninitialized urandom read (32 bytes read, 81 bits of entropy available) executing program [ 32.164320] ================================================================== [ 32.171697] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 32.178853] Read of size 8 at addr ffff8801d0d9f9b8 by task syzkaller010202/3312 [ 32.186349] [ 32.187945] CPU: 1 PID: 3312 Comm: syzkaller010202 Not tainted 4.4.111-g3301b55 #17 [ 32.195700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.205019] 0000000000000000 6f447d653d7c56c9 ffff8800b4b17850 ffffffff81d0509d [ 32.212967] ffffea0007436780 ffff8801d0d9f9b8 0000000000000000 ffff8801d0d9f9b8 [ 32.220908] 0000000000000000 ffff8800b4b17888 ffffffff814fd433 ffff8801d0d9f9b8 [ 32.228862] Call Trace: [ 32.231418] [] dump_stack+0xc1/0x124 [ 32.236748] [] print_address_description+0x73/0x260 [ 32.243376] [] kasan_report+0x285/0x370 [ 32.248965] [] ? __lock_acquire+0x387e/0x4b50 [ 32.255073] [] __asan_report_load8_noabort+0x14/0x20 [ 32.261796] [] __lock_acquire+0x387e/0x4b50 [ 32.267732] [] ? __lock_acquire+0xb5f/0x4b50 [ 32.273756] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.280731] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.287541] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.294519] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.301497] [] lock_acquire+0x15e/0x460 [ 32.307086] [] ? remove_wait_queue+0x14/0x40 [ 32.313109] [] _raw_spin_lock_irqsave+0x4e/0x70 [ 32.319390] [] ? remove_wait_queue+0x14/0x40 [ 32.325412] [] remove_wait_queue+0x14/0x40 [ 32.331263] [] ep_unregister_pollwait.isra.6+0xa8/0x220 [ 32.338846] [] ? ep_unregister_pollwait.isra.6+0x114/0x220 [ 32.347444] [] ? ep_free+0x1c0/0x1c0 [ 32.353380] [] ep_free+0x93/0x1c0 [ 32.358446] [] ? ep_free+0x1c0/0x1c0 [ 32.363780] [] ep_eventpoll_release+0x44/0x60 [ 32.369890] [] __fput+0x233/0x6d0 [ 32.376609] [] ____fput+0x15/0x20 [ 32.382725] [] task_work_run+0x104/0x180 [ 32.388405] [] do_exit+0x871/0x2a20 [ 32.393912] [] ? handle_mm_fault+0x192d/0x3190 [ 32.400115] [] ? handle_mm_fault+0x3f2/0x3190 [ 32.406230] [] ? release_task+0x1240/0x1240 [ 32.412166] [] do_group_exit+0x108/0x320 [ 32.417840] [] SyS_exit_group+0x1d/0x20 [ 32.423428] [] ? do_group_exit+0x320/0x320 [ 32.429278] [] do_fast_syscall_32+0x314/0x890 [ 32.435398] [] sysenter_flags_fixed+0xd/0x17 [ 32.441423] [ 32.443019] Allocated by task 3312: [ 32.446606] [] save_stack_trace+0x26/0x50 [ 32.452482] [] save_stack+0x43/0xd0 [ 32.457840] [] kasan_kmalloc+0xad/0xe0 [ 32.463452] [] kmem_cache_alloc_trace+0x100/0x2b0 [ 32.470022] [] binder_get_thread+0x181/0x7a0 [ 32.476260] [] binder_poll+0x4a/0x210 [ 32.481790] [] SyS_epoll_ctl+0x10b1/0x2050 [ 32.487758] [] do_fast_syscall_32+0x314/0x890 [ 32.493980] [] sysenter_flags_fixed+0xd/0x17 [ 32.500116] [ 32.501710] Freed by task 3312: [ 32.504949] [] save_stack_trace+0x26/0x50 [ 32.510825] [] save_stack+0x43/0xd0 [ 32.516181] [] kasan_slab_free+0x72/0xc0 [ 32.522053] [] kfree+0xfc/0x300 [ 32.528020] [] binder_thread_dec_tmpref+0x1c1/0x250 [ 32.536941] [] binder_thread_release+0x27d/0x540 [ 32.543511] [] binder_ioctl+0xb94/0x12e0 [ 32.549302] [] compat_SyS_ioctl+0x28a/0x2540 [ 32.555440] [] do_fast_syscall_32+0x314/0x890 [ 32.561665] [] sysenter_flags_fixed+0xd/0x17 [ 32.567802] [ 32.569400] The buggy address belongs to the object at ffff8801d0d9f900 [ 32.569400] which belongs to the cache kmalloc-512 of size 512 [ 32.582024] The buggy address is located 184 bytes inside of [ 32.582024] 512-byte region [ffff8801d0d9f900, ffff8801d0d9fb00) [ 32.593863] The buggy address belongs to the page: [ 32.603715] BUG: unable to handle kernel NULL pointer dereference at (null) [ 32.611944] IP: [< (null)>] (null) [ 32.617241] PGD 0 [ 32.619497] Oops: 0010 [#1] PREEMPT SMP KASAN [ 32.624485] Dumping ftrace buffer: [ 32.628004] (ftrace buffer empty) [ 32.631709] Modules linked in: [ 32.635018] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.111-g3301b55 #17 [ 32.642015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.652666] task: ffffffff84217840 task.stack: ffffffff84200000 [ 32.660187] RIP: 0010:[<0000000000000000>] [< (null)>] (null) [ 32.667922] RSP: 0018:ffff8801db207df0 EFLAGS: 00010006 [ 32.673355] RAX: ffffffff84217840 RBX: ffff8800b4a77df8 RCX: ffffffff812ac9a0 [ 32.680633] RDX: 0000000000010000 RSI: ffffffff839fd920 RDI: ffff8800b4a77df8 [ 32.687895] RBP: ffff8801db207ee0 R08: 1ffff10016fff842 R09: 0000000000000001 [ 32.695154] R10: 0000000000000000 R11: 1ffff1003b640f6a R12: 0000000000000000 [ 32.702412] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8801db219640 [ 32.709675] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 32.717894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.723765] CR2: 0000000000000000 CR3: 00000001d162c000 CR4: 0000000000160670 [ 32.731030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.738468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.745741] Stack: [ 32.747882] ffffffff812ac9a6 ffff88021fffd017 ffff88021fffd01b ffff88021fffd00f [ 32.755915] 1ffff1003b640fcb ffff8801db2196a0 ffffed003b640fca ffff8801db219700 [ 32.763934] 0303fc0000000001 ffff8801db219678 ffffed003b6432d4 ffff8801db219718 [ 32.771954] Call Trace: [ 32.774518] [ 32.776571] [] ? __hrtimer_run_queues+0x306/0xfe0 [ 32.783354] [] ? hrtimer_fixup_init+0x70/0x70 [ 32.789497] [] ? hrtimer_interrupt+0x131/0x440 [ 32.795728] [] hrtimer_interrupt+0x1a6/0x440 [ 32.802347] [] local_apic_timer_interrupt+0x6a/0xb0 [ 32.809272] [] smp_apic_timer_interrupt+0x76/0xa0 [ 32.815763] [] apic_timer_interrupt+0xa0/0xb0 [ 32.821897] [ 32.823962] [] ? native_safe_halt+0x6/0x10 [ 32.830140] [] default_idle+0x55/0x3c0 [ 32.835765] [] arch_cpu_idle+0xa/0x10 [ 32.841215] [] default_idle_call+0x48/0x70 [ 32.847097] [] cpu_startup_entry+0x605/0x820 [ 32.853149] [] ? call_cpuidle+0xe0/0xe0 [ 32.858768] [] rest_init+0x189/0x190 [ 32.864129] [] start_kernel+0x6b9/0x6ee [ 32.870095] [] ? thread_stack_cache_init+0xb/0xb [ 32.876497] [] ? early_idt_handler_array+0x120/0x120 [ 32.883247] [] ? early_idt_handler_array+0x120/0x120 [ 32.890326] [] x86_64_start_reservations+0x2a/0x2c [ 32.898984] [] x86_64_start_kernel+0x140/0x163 [ 32.906503] Code: Bad RIP value. [ 32.910203] RIP [< (null)>] (null) [ 32.915591] RSP [ 32.919200] CR2: 0000000000000000 [ 32.922642] ---[ end trace 9691ec8e35862994 ]--- [ 32.927383] Kernel panic - not syncing: Fatal exception in interrupt 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: 0x0000000001426a74 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-g3301b55 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #17 SMP PREEMPT Thu Jan 11 18:34:07 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 1560417419 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 [ 1.244933] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.246075] pid_max: default: 32768 minimum: 301 [ 1.246789] ACPI: Core revision 20150930 [ 1.319348] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.320636] Security Framework initialized [ 1.321272] SELinux: Initializing. [ 1.321939] AppArmor: AppArmor disabled by boot time parameter [ 1.322874] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.323813] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.327603] Initializing cgroup subsys io [ 1.328228] Initializing cgroup subsys freezer [ 1.328888] Initializing cgroup subsys hugetlb [ 1.329510] Initializing cgroup subsys debug [ 1.330287] CPU: Physical Processor ID: 0 [ 1.332046] mce: CPU supports 32 MCE banks [ 1.332755] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.333572] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.336527] Freeing SMP alternatives memory: 44K [ 1.345276] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.464294] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.465760] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.554590] x86: Booting SMP configuration: [ 1.555240] .... node #0, CPUs: #1 [ 1.556045] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.560640] x86: Booted up 1 node, 2 CPUs [ 1.561207] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.565738] devtmpfs: initialized [ 1.575339] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.576750] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.578391] xor: automatically using best checksumming function: [ 1.581561] kworker/u4:0 (21) used greatest stack depth: 27224 bytes left [ 1.674301] avx : 21680.400 MB/sec [ 1.675505] RTC time: 2:21:57, date: 01/12/18 [ 1.677790] NET: Registered protocol family 16 [ 1.678894] schedtune: init normalization constants... [ 1.679605] schedtune: no energy model data [ 1.680179] schedtune: disabled! [ 1.714645] cpuidle: using governor ladder [ 1.744357] cpuidle: using governor menu [ 1.745639] ACPI: bus type PCI registered [ 1.746198] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.749046] PCI: Using configuration type 1 for base access [ 1.936885] kworker/u4:2 (380) used greatest stack depth: 26984 bytes left [ 2.194334] raid6: sse2x1 gen() 4651 MB/s [ 2.364301] raid6: sse2x1 xor() 2492 MB/s [ 2.534289] raid6: sse2x2 gen() 7560 MB/s [ 2.704283] raid6: sse2x2 xor() 4331 MB/s [ 2.874278] raid6: sse2x4 gen() 9796 MB/s [ 3.044278] raid6: sse2x4 xor() 5679 MB/s [ 3.214276] raid6: avx2x1 gen() 9396 MB/s [ 3.384274] raid6: avx2x2 gen() 14633 MB/s [ 3.554267] raid6: avx2x4 gen() 19085 MB/s [ 3.554995] raid6: using algorithm avx2x4 gen() 19085 MB/s [ 3.555746] raid6: using avx2x2 recovery algorithm [ 3.557078] ACPI: Added _OSI(Module Device) [ 3.557680] ACPI: Added _OSI(Processor Device) [ 3.558287] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.558942] ACPI: Added _OSI(Processor Aggregator Device) [ 3.569396] ACPI: Executed 2 blocks of module-level executable AML code [ 3.645704] ACPI: Interpreter enabled [ 3.646653] ACPI: (supports S0 S3 S4 S5) [ 3.647291] ACPI: Using IOAPIC for interrupt routing [ 3.648408] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.859870] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.860910] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.862225] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.863250] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.889756] PCI host bridge to bus 0000:00 [ 3.890431] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.891480] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.892409] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.893436] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.894535] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.929419] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.006390] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.012318] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.018187] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.023965] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.027418] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.040445] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.044595] vgaarb: loaded [ 4.047625] SCSI subsystem initialized [ 4.050339] ACPI: bus type USB registered [ 4.051999] usbcore: registered new interface driver usbfs [ 4.053263] usbcore: registered new interface driver hub [ 4.054331] usbcore: registered new device driver usb [ 4.056241] pps_core: LinuxPPS API ver. 1 registered [ 4.056930] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.058307] PTP clock support registered [ 4.061246] Advanced Linux Sound Architecture Driver Initialized. [ 4.063205] PCI: Using ACPI for IRQ routing [ 4.080688] NetLabel: Initializing [ 4.081237] NetLabel: domain hash size = 128 [ 4.082042] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.083003] NetLabel: unlabeled traffic allowed by default [ 4.085476] amd_nb: Cannot enumerate AMD northbridges [ 4.086302] clocksource: Switched to clocksource kvm-clock [ 4.247562] pnp: PnP ACPI init [ 4.270283] pnp: PnP ACPI: found 7 devices [ 4.284634] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.286285] NET: Registered protocol family 2 [ 4.288817] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.290474] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.297739] TCP: Hash tables configured (established 65536 bind 65536) [ 4.298925] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.301370] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.304020] NET: Registered protocol family 1 [ 4.304737] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.306697] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.307583] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.309519] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.310732] hw unit of domain pp0-core 2^-0 Joules [ 4.311382] hw unit of domain package 2^-0 Joules [ 4.312021] hw unit of domain dram 2^-16 Joules [ 4.317821] Scanning for low memory corruption every 60 seconds [ 4.326017] audit: initializing netlink subsys (disabled) [ 4.327217] audit: type=2000 audit(1515723719.951:1): initialized [ 4.334360] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.466792] VFS: Disk quotas dquot_6.6.0 [ 4.468911] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.491585] fuse init (API version 7.23) [ 4.494909] 9p: Installing v9fs 9p2000 file system support [ 4.510321] async_tx: api initialized (async) [ 4.512123] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.513185] io scheduler noop registered [ 4.513756] io scheduler deadline registered [ 4.516198] io scheduler cfq registered (default) [ 4.524629] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.528695] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.529819] ACPI: Power Button [PWRF] [ 4.531575] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.532600] ACPI: Sleep Button [SLPF] [ 4.556913] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.557847] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.579498] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.580381] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.587376] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.609989] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.634579] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.659267] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.683452] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.691231] Non-volatile memory driver v1.3 [ 4.693127] Linux agpgart interface v0.103 [ 4.695927] [drm] Initialized drm 1.1.0 20060810 [ 4.797491] brd: module loaded [ 4.835434] loop: module loaded [ 4.879417] nbd: registered device at major 43 [ 5.036900] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 5.037659] drbd: built-in [ 5.037960] drbd: registered as block device major 147 [ 5.064037] scsi host0: Virtio SCSI HBA [ 5.100752] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.306910] tsc: Refined TSC clocksource calibration: 2299.821 MHz [ 5.307634] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21268c5bf96, max_idle_ns: 440795323231 ns [ 5.740545] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.742109] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.742109] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.748432] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.749743] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.750764] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.752119] SCSI Media Changer driver v0.25 [ 5.753013] sd 0:0:1:0: [sda] Write Protect is off [ 5.755055] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.755837] tun: Universal TUN/TAP device driver, 1.6 [ 5.755840] tun: (C) 1999-2004 Max Krasnyansky [ 5.779295] sda: sda1 [ 5.787781] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 5.788796] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.790224] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 5.791348] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.792959] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 5.793920] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.795161] sky2: driver version 1.30 [ 5.795905] sd 0:0:1:0: [sda] Attached SCSI disk [ 5.797868] PPP generic driver version 2.4.2 [ 5.799768] PPP BSD Compression module registered [ 5.800417] PPP Deflate Compression module registered [ 5.801021] PPP MPPE Compression module registered [ 5.801586] NET: Registered protocol family 24 [ 5.802451] usbcore: registered new interface driver asix [ 5.803469] usbcore: registered new interface driver ax88179_178a [ 5.804466] usbcore: registered new interface driver cdc_ether [ 5.805452] usbcore: registered new interface driver net1080 [ 5.806475] usbcore: registered new interface driver cdc_subset [ 5.807489] usbcore: registered new interface driver zaurus [ 5.808601] usbcore: registered new interface driver cdc_ncm [ 5.811095] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.811931] ehci-pci: EHCI PCI platform driver [ 5.812640] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.813470] ohci-pci: OHCI PCI platform driver [ 5.814873] uhci_hcd: USB Universal Host Controller Interface driver [ 5.818271] usbcore: registered new interface driver usblp [ 5.819363] usbcore: registered new interface driver usb-storage [ 5.821617] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 5.824088] i8042: Warning: Keylock active [ 5.825919] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.828168] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 5.831530] mousedev: PS/2 mouse device common for all mice [ 5.835739] usbcore: registered new interface driver xpad [ 5.838241] usbcore: registered new interface driver usb_acecad [ 5.839278] usbcore: registered new interface driver aiptek [ 5.840209] usbcore: registered new interface driver gtco [ 5.841137] usbcore: registered new interface driver hanwang [ 5.842121] usbcore: registered new interface driver kbtab [ 5.845426] rtc_cmos 00:00: RTC can wake from S4 [ 5.848652] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 5.849653] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 5.851759] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 5.855039] softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0) [ 5.857554] md: linear personality registered for level -1 [ 5.858339] md: raid0 personality registered for level 0 [ 5.858933] md: raid1 personality registered for level 1 [ 5.859517] md: raid10 personality registered for level 10 [ 5.860967] md: raid6 personality registered for level 6 [ 5.861778] md: raid5 personality registered for level 5 [ 5.862343] md: raid4 personality registered for level 4 [ 5.862942] md: multipath personality registered for level -4 [ 5.863542] md: faulty personality registered for level -5 [ 5.868005] device-mapper: uevent: version 1.0.3 [ 5.871585] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 5.884484] device-mapper: multipath: version 1.10.0 loaded [ 5.885191] device-mapper: multipath round-robin: version 1.0.0 loaded [ 5.885991] device-mapper: multipath queue-length: version 0.1.0 loaded [ 5.887213] device-mapper: multipath service-time: version 0.2.0 loaded [ 5.889932] device-mapper: raid: Loading target version 1.7.0 [ 5.893936] hidraw: raw HID events driver (C) Jiri Kosina [ 5.927542] usbcore: registered new interface driver usbhid [ 5.928322] usbhid: USB HID core driver [ 5.931294] ashmem: initialized [ 5.985606] oprofile: using timer interrupt. [ 5.986894] pktgen: Packet Generator for packet performance testing. Version: 2.75 [ 5.998781] GACT probability on [ 5.999219] Mirror/redirect action on [ 5.999741] Simple TC action Loaded [ 6.003177] netem: version 1.3 [ 6.003574] u32 classifier [ 6.003889] Actions configured [ 6.004417] Netfilter messages via NETLINK v0.30. [ 6.005158] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) [ 6.011399] ctnetlink v0.93: registering with nfnetlink. [ 6.012471] nf_tables: (c) 2007-2009 Patrick McHardy [ 6.019648] xt_time: kernel timezone is -0000 [ 6.020444] IPVS: Registered protocols (TCP, UDP, AH, ESP) [ 6.022547] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 6.023840] IPVS: Creating netns size=2552 id=0 [ 6.024465] IPVS: ipvs loaded. [ 6.024819] IPVS: [rr] scheduler registered. [ 6.025262] IPVS: [wrr] scheduler registered. [ 6.025726] IPVS: [lc] scheduler registered. [ 6.026192] IPVS: [wlc] scheduler registered. [ 6.026896] IPVS: [lblc] scheduler registered. [ 6.029242] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 6.029665] IPVS: [lblcr] scheduler registered. [ 6.029688] IPVS: [dh] scheduler registered. [ 6.029709] IPVS: [sh] scheduler registered. [ 6.029729] IPVS: [sed] scheduler registered. [ 6.029749] IPVS: [nq] scheduler registered. [ 6.029938] ipip: IPv4 over IPv4 tunneling driver