[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.428767] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.550931] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 19.739429] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 20.569381] random: sshd: uninitialized urandom read (32 bytes read, 103 bits of entropy available) [ 44.518135] random: sshd: uninitialized urandom read (32 bytes read, 118 bits of entropy available) Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. [ 49.924498] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) executing program [ 50.021221] ================================================================== [ 50.028596] BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 [ 50.035581] Read of size 8 at addr ffff8801d1642140 by task syzkaller082664/3326 [ 50.043080] [ 50.044682] CPU: 1 PID: 3326 Comm: syzkaller082664 Not tainted 4.4.111-g7902639 #25 [ 50.052442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.061766] 0000000000000000 f809bfeee192b80c ffff8800b412fab0 ffffffff81d0509d [ 50.069745] ffffea0007459080 ffff8801d1642140 0000000000000000 ffff8801d1642140 [ 50.077728] ffff8801d0130238 ffff8800b412fae8 ffffffff814fd433 ffff8801d1642140 [ 50.085693] Call Trace: [ 50.088256] [] dump_stack+0xc1/0x124 [ 50.093600] [] print_address_description+0x73/0x260 [ 50.100237] [] kasan_report+0x285/0x370 [ 50.105830] [] ? sg_remove_request+0xf9/0x110 [ 50.111944] [] __asan_report_load8_noabort+0x14/0x20 [ 50.118669] [] sg_remove_request+0xf9/0x110 [ 50.124612] [] sg_finish_rem_req+0x295/0x340 [ 50.130652] [] sg_read+0xa21/0x1490 [ 50.135898] [] ? new_slab+0x24f/0x3b0 [ 50.141318] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 50.147957] [] ? __raw_spin_lock_init+0x1c/0x100 [ 50.154334] [] ? lockdep_init_map+0xeb/0x1690 [ 50.160449] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 50.167086] [] __vfs_read+0x103/0x440 [ 50.172508] [] ? vfs_iter_write+0x2d0/0x2d0 [ 50.178450] [] ? fsnotify+0x5ad/0xee0 [ 50.183867] [] ? fsnotify+0xee0/0xee0 [ 50.189288] [] ? fasync_helper+0x7a/0xb0 [ 50.194981] [] ? avc_policy_seqno+0x9/0x20 [ 50.200839] [] ? selinux_file_permission+0x348/0x460 [ 50.207589] [] ? security_file_permission+0x89/0x1e0 [ 50.214324] [] ? rw_verify_area+0x100/0x2f0 [ 50.220280] [] vfs_read+0x123/0x3a0 [ 50.225537] [] SyS_read+0xd9/0x1b0 [ 50.230696] [] ? do_sendfile+0xd30/0xd30 [ 50.236380] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 50.242854] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 50.249402] [ 50.250998] Allocated by task 0: [ 50.254330] (stack is not available) [ 50.258008] [ 50.259603] Freed by task 0: [ 50.262585] (stack is not available) [ 50.266265] [ 50.267863] The buggy address belongs to the object at ffff8801d1642100 [ 50.267863] which belongs to the cache fasync_cache of size 96 [ 50.280490] The buggy address is located 64 bytes inside of [ 50.280490] 96-byte region [ffff8801d1642100, ffff8801d1642160) [ 50.292166] The buggy address belongs to the page: [ 50.622661] kasan: CONFIG_KASAN_INLINE enabled [ 50.627079] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.639906] Dumping ftrace buffer: [ 50.643414] (ftrace buffer empty) [ 50.647093] Modules linked in: [ 50.650374] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.111-g7902639 #25 [ 50.657358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.666686] task: ffffffff84217840 task.stack: ffffffff84200000 [ 50.672720] RIP: 0010:[] [] debug_check_no_obj_freed+0x1a8/0x9b0 [ 50.682177] RSP: 0018:ffff8801db207a68 EFLAGS: 00010803 [ 50.687599] RAX: 0000000000000282 RBX: ffff8801d3470aa0 RCX: 0000000000000007 [ 50.694840] RDX: 1d2000dc1b1d0161 RSI: ffff8801db207af8 RDI: ffffffff8148f9a9 [ 50.702081] RBP: ffff8801db207b60 R08: 1ffffffff0291f35 R09: ffffffff850ffd90 [ 50.709323] R10: dead000000000200 R11: 1ffff1003b640f14 R12: ed04cee8ffffff45 [ 50.716563] R13: ffff8801d3470910 R14: e90006e0d8e80b0f R15: dffffc0000000000 [ 50.723803] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 50.731997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.737856] CR2: 000055efc7ae80f0 CR3: 00000000b559c000 CR4: 0000000000160670 [ 50.745098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.752340] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.759581] Stack: [ 50.761698] ffffffff00000000 ffffffff842bca80 ffff8800b57c5c80 ffffffff84217840 [ 50.769669] 1ffff1003b640f5b ffffffff85791000 ffff8801d3471000 ffff8801d3470aa0 [ 50.777649] ffffffff842180b0 ffff8801db207af8 00000000000325c0 fffffbfff0af2200 [ 50.785632] Call Trace: [ 50.788182] [ 50.790239] [] ? debug_object_active_state+0x420/0x420 [ 50.797447] [] ? mark_held_locks+0xaf/0x100 [ 50.803392] [] ? kmem_cache_free+0x9d/0x320 [ 50.809336] [] ? nf_conntrack_free+0xe6/0x130 [ 50.815453] [] ? nf_conntrack_free+0xe6/0x130 [ 50.821571] [] kmem_cache_free+0xbc/0x320 [ 50.827340] [] nf_conntrack_free+0xe6/0x130 [ 50.833284] [] destroy_conntrack+0x268/0x380 [ 50.839310] [] ? destroy_conntrack+0x70/0x380 [ 50.845424] [] ? nf_ct_invert_tuplepr+0x2b0/0x2b0 [ 50.851884] [] nf_conntrack_destroy+0x9a/0x1a0 [ 50.858083] [] ? nf_register_hooks+0xa0/0xa0 [ 50.864107] [] nf_ct_delete+0x4d2/0x930 [ 50.869699] [] ? nf_ct_delete+0xc8/0x930 [ 50.875376] [] ? nf_ct_delete_from_lists+0x4a0/0x4a0 [ 50.882098] [] death_by_timeout+0x19/0x20 [ 50.887866] [] call_timer_fn+0x18b/0x860 [ 50.893542] [] ? call_timer_fn+0xdc/0x860 [ 50.899311] [] ? nf_ct_delete+0x930/0x930 [ 50.905083] [] ? process_timeout+0x20/0x20 [ 50.910940] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 50.917230] [] ? nf_ct_delete+0x930/0x930 [ 50.922998] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 50.929809] [] ? nf_ct_delete+0x930/0x930 [ 50.935575] [] run_timer_softirq+0x604/0xbb0 [ 50.941603] [] ? msleep+0xe0/0xe0 [ 50.946681] [] __do_softirq+0x24d/0xa59 [ 50.952281] [] irq_exit+0x119/0x140 [ 50.957531] [] smp_apic_timer_interrupt+0x7b/0xa0 [ 50.963995] [] apic_timer_interrupt+0xa0/0xb0 [ 50.970119] [ 50.972157] [] ? native_safe_halt+0x6/0x10 [ 50.978303] [] default_idle+0x55/0x3c0 [ 50.983806] [] arch_cpu_idle+0xa/0x10 [ 50.989227] [] default_idle_call+0x48/0x70 [ 50.995081] [] cpu_startup_entry+0x605/0x820 [ 51.001106] [] ? call_cpuidle+0xe0/0xe0 [ 51.006701] [] rest_init+0x189/0x190 [ 51.012035] [] start_kernel+0x6b9/0x6ee [ 51.017627] [] ? thread_stack_cache_init+0xb/0xb [ 51.024001] [] ? early_idt_handler_array+0x120/0x120 [ 51.030719] [] ? early_idt_handler_array+0x120/0x120 [ 51.037439] [] x86_64_start_reservations+0x2a/0x2c [ 51.043995] [] x86_64_start_kernel+0x140/0x163 [ 51.050193] Code: 48 c7 c6 40 ea 75 85 4c 8b 34 0e 4d 85 f6 0f 84 c5 03 00 00 49 ba 00 02 00 00 00 00 ad de 31 c9 48 8d 75 98 4c 89 f2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 f0 03 00 00 49 8d 7e 18 83 c1 01 49 8b 16 [ 51.076835] RIP [] debug_check_no_obj_freed+0x1a8/0x9b0 [ 51.083937] RSP [ 51.087534] ---[ end trace d593b5dd8c24a4c5 ]--- [ 51.092258] 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: 0x000000000142691e 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-g7902639 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #25 SMP PREEMPT Fri Jan 12 17:48:10 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 1776317325 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 [ 1.209454] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.210617] pid_max: default: 32768 minimum: 301 [ 1.211338] ACPI: Core revision 20150930 [ 1.283463] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.284700] Security Framework initialized [ 1.285286] SELinux: Initializing. [ 1.285932] AppArmor: AppArmor disabled by boot time parameter [ 1.286836] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.287763] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.291599] Initializing cgroup subsys io [ 1.292207] Initializing cgroup subsys freezer [ 1.292853] Initializing cgroup subsys hugetlb [ 1.293477] Initializing cgroup subsys debug [ 1.294251] CPU: Physical Processor ID: 0 [ 1.296117] mce: CPU supports 32 MCE banks [ 1.296858] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.297743] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.301014] Freeing SMP alternatives memory: 44K [ 1.310053] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.428780] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.430293] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.519029] x86: Booting SMP configuration: [ 1.519755] .... node #0, CPUs: #1 [ 1.520527] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.525351] x86: Booted up 1 node, 2 CPUs [ 1.525937] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.530665] devtmpfs: initialized [ 1.540195] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.541548] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.543185] xor: automatically using best checksumming function: [ 1.556517] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left [ 1.638772] avx : 21804.400 MB/sec [ 1.639921] RTC time: 15:37:47, date: 01/13/18 [ 1.642287] NET: Registered protocol family 16 [ 1.643367] schedtune: init normalization constants... [ 1.644067] schedtune: no energy model data [ 1.644640] schedtune: disabled! [ 1.650181] kworker/u4:0 (32) used greatest stack depth: 27752 bytes left [ 1.679129] cpuidle: using governor ladder [ 1.708831] cpuidle: using governor menu [ 1.710093] ACPI: bus type PCI registered [ 1.710700] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.713550] PCI: Using configuration type 1 for base access [ 1.723173] kworker/u4:1 (56) used greatest stack depth: 27224 bytes left [ 2.158725] raid6: sse2x1 gen() 4640 MB/s [ 2.328754] raid6: sse2x1 xor() 2456 MB/s [ 2.498696] raid6: sse2x2 gen() 7013 MB/s [ 2.668677] raid6: sse2x2 xor() 3933 MB/s [ 2.838664] raid6: sse2x4 gen() 8661 MB/s [ 3.008642] raid6: sse2x4 xor() 4766 MB/s [ 3.178624] raid6: avx2x1 gen() 9428 MB/s [ 3.348616] raid6: avx2x2 gen() 14676 MB/s [ 3.518591] raid6: avx2x4 gen() 19128 MB/s [ 3.519265] raid6: using algorithm avx2x4 gen() 19128 MB/s [ 3.520007] raid6: using avx2x2 recovery algorithm [ 3.521324] ACPI: Added _OSI(Module Device) [ 3.522026] ACPI: Added _OSI(Processor Device) [ 3.522636] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.523311] ACPI: Added _OSI(Processor Aggregator Device) [ 3.533753] ACPI: Executed 2 blocks of module-level executable AML code [ 3.609739] ACPI: Interpreter enabled [ 3.610669] ACPI: (supports S0 S3 S4 S5) [ 3.611217] ACPI: Using IOAPIC for interrupt routing [ 3.612369] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.822973] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.823980] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.825355] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.826382] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.852757] PCI host bridge to bus 0000:00 [ 3.853401] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.854333] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.855506] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.856564] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.857608] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.895367] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.980456] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.986423] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.992118] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.997822] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.001237] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.014305] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.018440] vgaarb: loaded [ 4.021648] SCSI subsystem initialized [ 4.030370] ACPI: bus type USB registered [ 4.032723] usbcore: registered new interface driver usbfs [ 4.034000] usbcore: registered new interface driver hub [ 4.035267] usbcore: registered new device driver usb [ 4.037379] pps_core: LinuxPPS API ver. 1 registered [ 4.038895] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.040357] PTP clock support registered [ 4.043533] Advanced Linux Sound Architecture Driver Initialized. [ 4.045128] PCI: Using ACPI for IRQ routing [ 4.058706] NetLabel: Initializing [ 4.059248] NetLabel: domain hash size = 128 [ 4.059845] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.060791] NetLabel: unlabeled traffic allowed by default [ 4.063278] amd_nb: Cannot enumerate AMD northbridges [ 4.064183] clocksource: Switched to clocksource kvm-clock [ 4.224799] pnp: PnP ACPI init [ 4.247505] pnp: PnP ACPI: found 7 devices [ 4.261854] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.263440] NET: Registered protocol family 2 [ 4.266215] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.267681] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.274950] TCP: Hash tables configured (established 65536 bind 65536) [ 4.276115] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.278310] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.280882] NET: Registered protocol family 1 [ 4.281616] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.283362] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.284350] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.286994] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.288214] hw unit of domain pp0-core 2^-0 Joules [ 4.288865] hw unit of domain package 2^-0 Joules [ 4.289553] hw unit of domain dram 2^-16 Joules [ 4.295796] Scanning for low memory corruption every 60 seconds [ 4.303901] audit: initializing netlink subsys (disabled) [ 4.305422] audit: type=2000 audit(1515857870.001:1): initialized [ 4.312533] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.447135] VFS: Disk quotas dquot_6.6.0 [ 4.448960] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.471885] fuse init (API version 7.23) [ 4.475365] 9p: Installing v9fs 9p2000 file system support [ 4.492622] async_tx: api initialized (async) [ 4.494400] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.495660] io scheduler noop registered [ 4.496240] io scheduler deadline registered [ 4.498639] io scheduler cfq registered (default) [ 4.506203] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.509837] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.511027] ACPI: Power Button [PWRF] [ 4.512727] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.513767] ACPI: Sleep Button [SLPF] [ 4.548352] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.549258] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.570723] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.571600] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.579137] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.602411] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.627734] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.653099] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.678966] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.688363] Non-volatile memory driver v1.3 [ 4.690326] Linux agpgart interface v0.103 [ 4.693480] [drm] Initialized drm 1.1.0 20060810 [ 4.793591] brd: module loaded [ 4.860937] loop: module loaded [ 4.895378] nbd: registered device at major 43 [ 5.033616] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 5.035181] drbd: built-in [ 5.035491] drbd: registered as block device major 147 [ 5.051993] scsi host0: Virtio SCSI HBA [ 5.099515] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.284513] tsc: Refined TSC clocksource calibration: 2299.814 MHz [ 5.285830] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212685622b2, max_idle_ns: 440795265736 ns [ 5.768144] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.770313] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.770313] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.777485] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.779309] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.779738] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.780048] SCSI Media Changer driver v0.25 [ 5.782855] tun: Universal TUN/TAP device driver, 1.6 [ 5.782857] tun: (C) 1999-2004 Max Krasnyansky [ 5.806130] sd 0:0:1:0: [sda] Write Protect is off [ 5.807750] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.833038] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 5.834811] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.836547] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 5.837758] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.843106] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 5.844400] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.845237] sda: sda1 [ 5.846543] sky2: driver version 1.30 [ 5.849756] PPP generic driver version 2.4.2 [ 5.852793] PPP BSD Compression module registered [ 5.854040] PPP Deflate Compression module registered [ 5.855688] PPP MPPE Compression module registered [ 5.856509] NET: Registered protocol family 24 [ 5.858215] usbcore: registered new interface driver asix [ 5.858259] sd 0:0:1:0: [sda] Attached SCSI disk [ 5.860376] usbcore: registered new interface driver ax88179_178a [ 5.862035] usbcore: registered new interface driver cdc_ether [ 5.863340] usbcore: registered new interface driver net1080 [ 5.864736] usbcore: registered new interface driver cdc_subset [ 5.865802] usbcore: registered new interface driver zaurus [ 5.867531] usbcore: registered new interface driver cdc_ncm [ 5.871129] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.872135] ehci-pci: EHCI PCI platform driver [ 5.873160] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.874880] ohci-pci: OHCI PCI platform driver [ 5.876057] uhci_hcd: USB Universal Host Controller Interface driver [ 5.879098] usbcore: registered new interface driver usblp [ 5.880629] usbcore: registered new interface driver usb-storage [ 5.883314] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 5.886666] i8042: Warning: Keylock active [ 5.888531] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.891010] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 5.895396] mousedev: PS/2 mouse device common for all mice [ 5.899757] usbcore: registered new interface driver xpad [ 5.901261] usbcore: registered new interface driver usb_acecad [ 5.902807] usbcore: registered new interface driver aiptek [ 5.904445] usbcore: registered new interface driver gtco [ 5.905710] usbcore: registered new interface driver hanwang [ 5.907191] usbcore: registered new interface driver kbtab [ 5.911450] rtc_cmos 00:00: RTC can wake from S4 [ 5.916353] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 5.918129] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 5.920756] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 5.923880] softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0) [ 5.926416] md: linear personality registered for level -1 [ 5.927458] md: raid0 personality registered for level 0 [ 5.928776] md: raid1 personality registered for level 1 [ 5.929541] md: raid10 personality registered for level 10 [ 5.941295] md: raid6 personality registered for level 6 [ 5.942655] md: raid5 personality registered for level 5 [ 5.943970] md: raid4 personality registered for level 4 [ 5.945304] md: multipath personality registered for level -4 [ 5.946696] md: faulty personality registered for level -5 [ 5.951386] device-mapper: uevent: version 1.0.3 [ 5.955024] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 5.978750] device-mapper: multipath: version 1.10.0 loaded [ 5.979479] device-mapper: multipath round-robin: version 1.0.0 loaded [ 5.981137] device-mapper: multipath queue-length: version 0.1.0 loaded [ 5.982719] device-mapper: multipath service-time: version 0.2.0 loaded [ 5.986514] device-mapper: raid: Loading target version 1.7.0 [ 5.991030] hidraw: raw HID events driver (C) Jiri Kosina [ 6.021581] usbcore: registered new interface driver usbhid [ 6.023048] usbhid: USB HID core driver [ 6.027268] ashmem: initialized [ 6.076155] oprofile: using timer interrupt. [ 6.078365] pktgen: Packet Generator for packet performance testing. Version: 2.75 [ 6.090687] GACT probability on [ 6.091500] Mirror/redirect action on [ 6.092581] Simple TC action Loaded [ 6.099362] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 6.100990] netem: version 1.3 [ 6.101012] u32 classifier [ 6.101014] Actions configured [ 6.101289] Netfilter messages via NETLINK v0.30. [ 6.101684] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) [ 6.110504] ctnetlink v0.93: registering with nfnetlink. [ 6.112884] nf_tables: (c) 2007-2009 Patrick McHardy [ 6.121151] xt_time: kernel timezone is -0000 [ 6.121932] IPVS: Registered protocols (TCP, UDP, AH, ESP) [ 6.124096] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 6.126305] IPVS: Creating netns size=2552 id=0 [ 6.127159] IPVS: ipvs loaded. [ 6.127833] IPVS: [rr] scheduler registered. [ 6.128865] IPVS: [wrr] scheduler registered. [ 6.129799] IPVS: [lc] scheduler registered. [ 6.130345] IPVS: [wlc] scheduler registered. [ 6.131440] IPVS: [lblc] scheduler registered. [ 6.132518] IPVS: [lblcr] scheduler registered. [ 6.133673] IPVS: [dh] scheduler registered. [ 6.134210] IPVS: [sh] scheduler registered. [ 6.135237] IPVS: [sed] scheduler registered. [ 6.136263] IPVS: [nq] scheduler registered. [ 6.137400] ipip: IPv4 over IPv4 tunneling driver [ 6.142823] ip_tables: (C) 2000-2006 Netfilter Core Team [ 6.145512] arp_tables: (C) 2002 David S. Miller [ 6.147077] Initializing XFRM netlink socket [ 6.155091] NET: Registered protocol family 10 [ 6.175250] mip6: Mobile IPv6 [ 6.176141] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 6.179156] sit: IPv6 over IPv4 tunneling driver [ 6.183781] NET: Registered protocol family 17 [ 6.184990] NET: Registered protocol family 15 [ 6.186269] l2tp_core: L2TP core driver, V2.0 [ 6.187420] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 6.188048] 9pnet: Installing 9P2000 support [ 6.189416] Key type dns_resolver registered [ 6.196107] microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1 [ 6.196945] microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1 [ 6.198711] microcode: Microcode Update Driver: v2.01 , Peter Oruba [ 6.200099] AVX2 version of gcm_enc/dec engaged. [ 6.201105] AES CTR mode by8 optimization enabled [ 6.210201] registered taskstats version 1