[ 15.851377] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.231952] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 20.566695] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 21.416586] random: sshd: uninitialized urandom read (32 bytes read, 99 bits of entropy available) [ 21.584965] random: sshd: uninitialized urandom read (32 bytes read, 103 bits of entropy available) Warning: Permanently added '10.128.0.31' (ECDSA) to the list of known hosts. [ 27.573080] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) executing program [ 27.666897] ================================================================== [ 27.674271] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 27.680908] Read of size 8 at addr ffff8801d0e80d38 by task syzkaller223267/3312 [ 27.688411] [ 27.690013] CPU: 1 PID: 3312 Comm: syzkaller223267 Not tainted 4.4.112-g52c02cf #23 [ 27.697794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.707129] 0000000000000000 9d07052acba15533 ffff8800b4757850 ffffffff81d056fd [ 27.715115] ffffea000743a000 ffff8801d0e80d38 0000000000000000 ffff8801d0e80d38 [ 27.723098] 0000000000000000 ffff8800b4757888 ffffffff814fd953 ffff8801d0e80d38 [ 27.731061] Call Trace: [ 27.733623] [] dump_stack+0xc1/0x124 [ 27.738974] [] print_address_description+0x73/0x260 [ 27.745620] [] kasan_report+0x285/0x370 [ 27.751226] [] ? __lock_acquire+0x387e/0x4b50 [ 27.757346] [] __asan_report_load8_noabort+0x14/0x20 [ 27.764070] [] __lock_acquire+0x387e/0x4b50 [ 27.770021] [] ? __lock_acquire+0xb5f/0x4b50 [ 27.776052] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.783038] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.789859] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.796933] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.803918] [] lock_acquire+0x15e/0x460 [ 27.809511] [] ? remove_wait_queue+0x14/0x40 [ 27.815632] [] _raw_spin_lock_irqsave+0x4e/0x70 [ 27.821916] [] ? remove_wait_queue+0x14/0x40 [ 27.827940] [] remove_wait_queue+0x14/0x40 [ 27.833812] [] ep_unregister_pollwait.isra.6+0xa8/0x220 [ 27.840797] [] ? ep_unregister_pollwait.isra.6+0x114/0x220 [ 27.848041] [] ? ep_free+0x1c0/0x1c0 [ 27.853373] [] ep_free+0x93/0x1c0 [ 27.858453] [] ? ep_free+0x1c0/0x1c0 [ 27.863788] [] ep_eventpoll_release+0x44/0x60 [ 27.869904] [] __fput+0x233/0x6d0 [ 27.874976] [] ____fput+0x15/0x20 [ 27.880048] [] task_work_run+0x104/0x180 [ 27.885737] [] do_exit+0x871/0x2a20 [ 27.890983] [] ? handle_mm_fault+0x192d/0x3190 [ 27.897191] [] ? handle_mm_fault+0x3f2/0x3190 [ 27.903313] [] ? release_task+0x1240/0x1240 [ 27.909252] [] do_group_exit+0x108/0x320 [ 27.915108] [] SyS_exit_group+0x1d/0x20 [ 27.920703] [] ? do_group_exit+0x320/0x320 [ 27.926565] [] do_fast_syscall_32+0x314/0x890 [ 27.932681] [] sysenter_flags_fixed+0xd/0x17 [ 27.938704] [ 27.940303] Allocated by task 3312: [ 27.943895] [] save_stack_trace+0x26/0x50 [ 27.949782] [] save_stack+0x43/0xd0 [ 27.955144] [] kasan_kmalloc+0xad/0xe0 [ 27.960765] [] kmem_cache_alloc_trace+0x100/0x2b0 [ 27.967341] [] binder_get_thread+0x181/0x7a0 [ 27.973487] [] binder_poll+0x4a/0x210 [ 27.979026] [] SyS_epoll_ctl+0x10b1/0x2050 [ 27.985012] [] do_fast_syscall_32+0x314/0x890 [ 27.991247] [] sysenter_flags_fixed+0xd/0x17 [ 27.997390] [ 27.998986] Freed by task 3312: [ 28.002230] [] save_stack_trace+0x26/0x50 [ 28.008114] [] save_stack+0x43/0xd0 [ 28.013481] [] kasan_slab_free+0x72/0xc0 [ 28.019274] [] kfree+0xfc/0x300 [ 28.024292] [] binder_thread_dec_tmpref+0x1c1/0x250 [ 28.031041] [] binder_thread_release+0x27d/0x540 [ 28.037528] [] binder_ioctl+0xb94/0x12e0 [ 28.043322] [] compat_SyS_ioctl+0x28a/0x2540 [ 28.049465] [] do_fast_syscall_32+0x314/0x890 [ 28.055694] [] sysenter_flags_fixed+0xd/0x17 [ 28.061842] [ 28.063447] The buggy address belongs to the object at ffff8801d0e80c80 [ 28.063447] which belongs to the cache kmalloc-512 of size 512 [ 28.076071] The buggy address is located 184 bytes inside of [ 28.076071] 512-byte region [ffff8801d0e80c80, ffff8801d0e80e80) [ 28.087912] The buggy address belongs to the page: [ 28.496436] kasan: CONFIG_KASAN_INLINE enabled [ 28.500856] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 28.513765] Dumping ftrace buffer: [ 28.517275] (ftrace buffer empty) [ 28.520956] Modules linked in: [ 28.524233] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.112-g52c02cf #23 [ 28.531217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.540563] task: ffffffff84217840 task.stack: ffffffff84200000 [ 28.546591] RIP: 0010:[] [] __pskb_copy_fclone+0x49c/0xc10 [ 28.555519] RSP: 0018:ffff8801db207978 EFLAGS: 00010206 [ 28.560934] RAX: ffffffff84217840 RBX: ffff8800b5752640 RCX: ffffffff82e1156c [ 28.568171] RDX: 0000000000000100 RSI: ffff8801cc9b9248 RDI: ffff8801d1bbb8c8 [ 28.575408] RBP: ffff8801db2079e8 R08: ffffed003a3776e9 R09: ffffed003a3776e9 [ 28.582643] R10: 0000000000000007 R11: ffffed003a3776e8 R12: 8000000000004080 [ 28.589889] R13: dffffc0000000000 R14: 0000000000000500 R15: ffff8801cc9b9180 [ 28.597127] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 28.605331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.611180] CR2: 0000561707f35100 CR3: 00000001d14d6000 CR4: 0000000000160670 [ 28.618417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.625658] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.632895] Stack: [ 28.635011] ffff88021fffd008 ffff8801d2899500 ffff8801cc9b91b0 dffffc0000000000 [ 28.643014] 0000000000000001 ffff8801cc9b9180 ffff880100000000 ffffffff02080020 [ 28.650972] ffff8801cc9b9248 ffff8801d2899500 ffff8800b3c02040 ffff8800b3c01980 [ 28.658936] Call Trace: [ 28.661486] [ 28.663519] [] tcp_transmit_skb+0x1cb1/0x2ce0 [ 28.669919] [] ? tcp_established_options+0x2bd/0x420 [ 28.676637] [] ? tcp_current_mss+0x22c/0x340 [ 28.682666] [] ? __tcp_select_window+0x520/0x520 [ 28.689044] [] ? ipip_gro_complete+0x100/0x100 [ 28.695267] [] ? kvm_clock_read+0x23/0x40 [ 28.701035] [] ? kvm_clock_get_cycles+0x9/0x10 [ 28.707240] [] __tcp_retransmit_skb+0x47f/0x17b0 [ 28.713612] [] tcp_retransmit_skb+0x23/0x2c0 [ 28.719638] [] tcp_retransmit_timer+0xa60/0x1f10 [ 28.726009] [] tcp_write_timer_handler+0x21e/0x6d0 [ 28.732554] [] tcp_write_timer+0xa1/0xd0 [ 28.738233] [] call_timer_fn+0x18b/0x860 [ 28.743918] [] ? call_timer_fn+0xdc/0x860 [ 28.749682] [] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.756401] [] ? process_timeout+0x20/0x20 [ 28.762255] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 28.768542] [] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.775262] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 28.782078] [] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.788797] [] run_timer_softirq+0x604/0xbb0 [ 28.794832] [] ? msleep+0xe0/0xe0 [ 28.799904] [] __do_softirq+0x24d/0xa59 [ 28.805496] [] irq_exit+0x119/0x140 [ 28.810742] [] smp_apic_timer_interrupt+0x7b/0xa0 [ 28.817203] [] apic_timer_interrupt+0xa0/0xb0 [ 28.823311] [ 28.825344] [] ? native_safe_halt+0x6/0x10 [ 28.831484] [] default_idle+0x55/0x3c0 [ 28.836988] [] arch_cpu_idle+0xa/0x10 [ 28.842415] [] default_idle_call+0x48/0x70 [ 28.848266] [] cpu_startup_entry+0x605/0x820 [ 28.854290] [] ? call_cpuidle+0xe0/0xe0 [ 28.859881] [] rest_init+0x189/0x190 [ 28.865211] [] start_kernel+0x6b9/0x6ee [ 28.870802] [] ? thread_stack_cache_init+0xb/0xb [ 28.877173] [] ? early_idt_handler_array+0x120/0x120 [ 28.883892] [] ? early_idt_handler_array+0x120/0x120 [ 28.890622] [] x86_64_start_reservations+0x2a/0x2c [ 28.897169] [] x86_64_start_kernel+0x140/0x163 [ 28.903364] Code: 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 39 07 00 00 4d 8b 64 24 08 4d 85 e4 74 33 49 bd 00 00 00 00 00 fc ff df e8 e4 e8 54 fe 41 ff 84 24 dc 00 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 [ 28.929907] RIP [] __pskb_copy_fclone+0x49c/0xc10 [ 28.936494] RSP [ 28.940140] ---[ end trace 5b8dfe839cb39e81 ]--- [ 28.944872] 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: 0x00000000039c626e input_len: 0x0000000001427522 output: 0x0000000001000000 output_len: 0x0000000003dd8a40 run_size: 0x000000000550e000 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 4.4.112-g52c02cf (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #23 SMP PREEMPT Fri Jan 19 08:57:28 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 1994928844 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: 1935237 [ 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: 6581452K/7863916K available (40432K kernel code, 6131K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282464K 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 [ 1.214154] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.215308] pid_max: default: 32768 minimum: 301 [ 1.216016] ACPI: Core revision 20150930 [ 1.285983] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.287239] Security Framework initialized [ 1.287825] SELinux: Initializing. [ 1.288477] AppArmor: AppArmor disabled by boot time parameter [ 1.289407] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.290345] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.294025] Initializing cgroup subsys io [ 1.294630] Initializing cgroup subsys freezer [ 1.295274] Initializing cgroup subsys hugetlb [ 1.295900] Initializing cgroup subsys debug [ 1.296662] CPU: Physical Processor ID: 0 [ 1.298552] mce: CPU supports 32 MCE banks [ 1.299338] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.300201] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.303359] Freeing SMP alternatives memory: 44K [ 1.312792] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.433481] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.434976] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.523718] x86: Booting SMP configuration: [ 1.524379] .... node #0, CPUs: #1 [ 1.525176] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.529988] x86: Booted up 1 node, 2 CPUs [ 1.530571] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.535169] devtmpfs: initialized [ 1.544668] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.546029] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.547663] xor: automatically using best checksumming function: [ 1.561136] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left [ 1.643471] avx : 21580.000 MB/sec [ 1.644676] RTC time: 11:12:30, date: 01/19/18 [ 1.647023] NET: Registered protocol family 16 [ 1.648138] schedtune: init normalization constants... [ 1.648856] schedtune: no energy model data [ 1.649432] schedtune: disabled! [ 1.683734] cpuidle: using governor ladder [ 1.713501] cpuidle: using governor menu [ 1.714736] ACPI: bus type PCI registered [ 1.715346] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.718126] PCI: Using configuration type 1 for base access [ 1.724110] kworker/u4:0 (39) used greatest stack depth: 27544 bytes left [ 1.729141] kworker/u4:0 (44) used greatest stack depth: 27224 bytes left [ 2.163406] raid6: sse2x1 gen() 4746 MB/s [ 2.333387] raid6: sse2x1 xor() 2459 MB/s [ 2.503363] raid6: sse2x2 gen() 7490 MB/s [ 2.673351] raid6: sse2x2 xor() 4256 MB/s [ 2.843336] raid6: sse2x4 gen() 9750 MB/s [ 3.013308] raid6: sse2x4 xor() 5676 MB/s [ 3.183284] raid6: avx2x1 gen() 9360 MB/s [ 3.353267] raid6: avx2x2 gen() 14406 MB/s [ 3.523239] raid6: avx2x4 gen() 18539 MB/s [ 3.523911] raid6: using algorithm avx2x4 gen() 18539 MB/s [ 3.524668] raid6: using avx2x2 recovery algorithm [ 3.525958] ACPI: Added _OSI(Module Device) [ 3.526604] ACPI: Added _OSI(Processor Device) [ 3.527217] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.527860] ACPI: Added _OSI(Processor Aggregator Device) [ 3.538298] ACPI: Executed 2 blocks of module-level executable AML code [ 3.613449] ACPI: Interpreter enabled [ 3.614354] ACPI: (supports S0 S3 S4 S5) [ 3.614904] ACPI: Using IOAPIC for interrupt routing [ 3.616070] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.820671] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.821671] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.822992] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.824293] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.850145] PCI host bridge to bus 0000:00 [ 3.850758] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.851698] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.852644] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.853747] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.854800] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.891053] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.974965] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.980923] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.986817] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.992643] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.996185] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.009158] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.012612] vgaarb: loaded [ 4.015843] SCSI subsystem initialized [ 4.024914] ACPI: bus type USB registered [ 4.026709] usbcore: registered new interface driver usbfs [ 4.028123] usbcore: registered new interface driver hub [ 4.029379] usbcore: registered new device driver usb [ 4.032086] pps_core: LinuxPPS API ver. 1 registered [ 4.033417] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.035013] PTP clock support registered [ 4.037996] Advanced Linux Sound Architecture Driver Initialized. [ 4.039668] PCI: Using ACPI for IRQ routing [ 4.047260] NetLabel: Initializing [ 4.047839] NetLabel: domain hash size = 128 [ 4.048439] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.049379] NetLabel: unlabeled traffic allowed by default [ 4.051889] amd_nb: Cannot enumerate AMD northbridges [ 4.052744] clocksource: Switched to clocksource kvm-clock [ 4.211445] pnp: PnP ACPI init [ 4.234130] pnp: PnP ACPI: found 7 devices [ 4.247004] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.248647] NET: Registered protocol family 2 [ 4.251830] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.253357] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.260796] TCP: Hash tables configured (established 65536 bind 65536) [ 4.261961] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.264362] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.266994] NET: Registered protocol family 1 [ 4.267750] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.269475] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.270358] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.272279] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.273526] hw unit of domain pp0-core 2^-0 Joules [ 4.274242] hw unit of domain package 2^-0 Joules [ 4.274907] hw unit of domain dram 2^-16 Joules [ 4.280404] Scanning for low memory corruption every 60 seconds [ 4.289530] audit: initializing netlink subsys (disabled) [ 4.290611] audit: type=2000 audit(1516360353.029:1): initialized [ 4.297802] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.425581] VFS: Disk quotas dquot_6.6.0 [ 4.428278] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.450363] fuse init (API version 7.23) [ 4.453685] 9p: Installing v9fs 9p2000 file system support [ 4.468624] async_tx: api initialized (async) [ 4.470570] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.471724] io scheduler noop registered [ 4.472282] io scheduler deadline registered [ 4.476346] io scheduler cfq registered (default) [ 4.487445] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.490951] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.492107] ACPI: Power Button [PWRF] [ 4.493834] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.495017] ACPI: Sleep Button [SLPF] [ 4.517483] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.518362] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.540151] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.541049] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.547725] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.570556] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.595651] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.620601] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.645078] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.653142] Non-volatile memory driver v1.3 [ 4.655338] Linux agpgart interface v0.103 [ 4.658398] [drm] Initialized drm 1.1.0 20060810 [ 4.756847] brd: module loaded [ 4.835580] loop: module loaded [ 4.859622] nbd: registered device at major 43 [ 4.993918] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 4.995024] drbd: built-in [ 4.995670] drbd: registered as block device major 147 [ 5.012005] scsi host0: Virtio SCSI HBA [ 5.038920] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.263536] tsc: Refined TSC clocksource calibration: 2299.793 MHz [ 5.265022] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212671cc3ca, max_idle_ns: 440795297541 ns [ 5.699575] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.701250] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.701250] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.707451] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.709264] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.709566] SCSI Media Changer driver v0.25 [ 5.711922] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.712251] tun: Universal TUN/TAP device driver, 1.6 [ 5.712253] tun: (C) 1999-2004 Max Krasnyansky [ 5.724528] sd 0:0:1:0: [sda] Write Protect is off [ 5.726051] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.750471] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 5.751423] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.752611] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 5.754018] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.755390] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 5.756176] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.758092] sky2: driver version 1.30 [ 5.761379] sda: sda1 [ 5.761672] PPP generic driver version 2.4.2 [ 5.763570] PPP BSD Compression module registered [ 5.763603] PPP Deflate Compression module registered [ 5.763669] PPP MPPE Compression module registered [ 5.763707] NET: Registered protocol family 24 [ 5.764212] usbcore: registered new interface driver asix [ 5.764523] usbcore: registered new interface driver ax88179_178a [ 5.764824] usbcore: registered new interface driver cdc_ether [ 5.765112] usbcore: registered new interface driver net1080 [ 5.765398] usbcore: registered new interface driver cdc_subset [ 5.765694] usbcore: registered new interface driver zaurus [ 5.766150] usbcore: registered new interface driver cdc_ncm [ 5.767916] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.767935] ehci-pci: EHCI PCI platform driver [ 5.768251] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.768307] ohci-pci: OHCI PCI platform driver [ 5.768612] uhci_hcd: USB Universal Host Controller Interface driver [ 5.770690] usbcore: registered new interface driver usblp [ 5.771120] usbcore: registered new interface driver usb-storage [ 5.772786] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 5.774385] i8042: Warning: Keylock active [ 5.775920] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.778017] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 5.781070] mousedev: PS/2 mouse device common for all mice [ 5.784639] usbcore: registered new interface driver xpad [ 5.784939] usbcore: registered new interface driver usb_acecad [ 5.785231] usbcore: registered new interface driver aiptek