[ 16.906595] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.377609] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 20.686404] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 21.660340] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available) [ 21.834007] random: sshd: uninitialized urandom read (32 bytes read, 119 bits of entropy available) Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. [ 27.212789] random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) executing program [ 27.311170] ================================================================== [ 27.318581] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 27.325225] Read of size 8 at addr ffff8801d27179b8 by task syzkaller970106/3325 [ 27.332733] [ 27.334341] CPU: 0 PID: 3325 Comm: syzkaller970106 Not tainted 4.4.111-gc2f631b #20 [ 27.342114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.351446] 0000000000000000 568079f835e377ba ffff8800b40d7850 ffffffff81d0513d [ 27.359430] ffffea000749c580 ffff8801d27179b8 0000000000000000 ffff8801d27179b8 [ 27.367396] 0000000000000000 ffff8800b40d7888 ffffffff814fd433 ffff8801d27179b8 [ 27.375376] Call Trace: [ 27.377938] [<ffffffff81d0513d>] dump_stack+0xc1/0x124 [ 27.383276] [<ffffffff814fd433>] print_address_description+0x73/0x260 [ 27.389921] [<ffffffff814fd945>] kasan_report+0x285/0x370 [ 27.395532] [<ffffffff81239cae>] ? __lock_acquire+0x387e/0x4b50 [ 27.401656] [<ffffffff814fdaa4>] __asan_report_load8_noabort+0x14/0x20 [ 27.408381] [<ffffffff81239cae>] __lock_acquire+0x387e/0x4b50 [ 27.414332] [<ffffffff81236f8f>] ? __lock_acquire+0xb5f/0x4b50 [ 27.420373] [<ffffffff81236430>] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.427362] [<ffffffff81235bfb>] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.434188] [<ffffffff81236430>] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.441179] [<ffffffff81236430>] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.448165] [<ffffffff8123c7ee>] lock_acquire+0x15e/0x460 [ 27.453762] [<ffffffff8121f194>] ? remove_wait_queue+0x14/0x40 [ 27.459805] [<ffffffff8377550e>] _raw_spin_lock_irqsave+0x4e/0x70 [ 27.466094] [<ffffffff8121f194>] ? remove_wait_queue+0x14/0x40 [ 27.472126] [<ffffffff8121f194>] remove_wait_queue+0x14/0x40 [ 27.477983] [<ffffffff815f6838>] ep_unregister_pollwait.isra.6+0xa8/0x220 [ 27.484992] [<ffffffff815f68a4>] ? ep_unregister_pollwait.isra.6+0x114/0x220 [ 27.492247] [<ffffffff815f7690>] ? ep_free+0x1c0/0x1c0 [ 27.497583] [<ffffffff815f7563>] ep_free+0x93/0x1c0 [ 27.502658] [<ffffffff815f7690>] ? ep_free+0x1c0/0x1c0 [ 27.508002] [<ffffffff815f76d4>] ep_eventpoll_release+0x44/0x60 [ 27.514117] [<ffffffff81522a73>] __fput+0x233/0x6d0 [ 27.519191] [<ffffffff81522f95>] ____fput+0x15/0x20 [ 27.524266] [<ffffffff8118bae4>] task_work_run+0x104/0x180 [ 27.529957] [<ffffffff81132eb1>] do_exit+0x871/0x2a20 [ 27.535209] [<ffffffff814a0e1d>] ? handle_mm_fault+0x192d/0x3190 [ 27.541425] [<ffffffff8149f8e2>] ? handle_mm_fault+0x3f2/0x3190 [ 27.547544] [<ffffffff81132640>] ? release_task+0x1240/0x1240 [ 27.553496] [<ffffffff81139328>] do_group_exit+0x108/0x320 [ 27.559177] [<ffffffff8113955d>] SyS_exit_group+0x1d/0x20 [ 27.564779] [<ffffffff81139540>] ? do_group_exit+0x320/0x320 [ 27.570644] [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890 [ 27.576775] [<ffffffff837772aa>] sysenter_flags_fixed+0xd/0x17 [ 27.582804] [ 27.584409] Allocated by task 3325: [ 27.588005] [<ffffffff81035d26>] save_stack_trace+0x26/0x50 [ 27.593902] [<ffffffff814fc4a3>] save_stack+0x43/0xd0 [ 27.599267] [<ffffffff814fc76d>] kasan_kmalloc+0xad/0xe0 [ 27.604895] [<ffffffff814f86e0>] kmem_cache_alloc_trace+0x100/0x2b0 [ 27.611497] [<ffffffff82c7ecf1>] binder_get_thread+0x181/0x7a0 [ 27.617656] [<ffffffff82c7f35a>] binder_poll+0x4a/0x210 [ 27.623196] [<ffffffff815fa6c1>] SyS_epoll_ctl+0x10b1/0x2050 [ 27.629191] [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890 [ 27.635436] [<ffffffff837772aa>] sysenter_flags_fixed+0xd/0x17 [ 27.641588] [ 27.643187] Freed by task 3325: [ 27.646436] [<ffffffff81035d26>] save_stack_trace+0x26/0x50 [ 27.652324] [<ffffffff814fc4a3>] save_stack+0x43/0xd0 [ 27.657693] [<ffffffff814fcdc2>] kasan_slab_free+0x72/0xc0 [ 27.663502] [<ffffffff814f984c>] kfree+0xfc/0x300 [ 27.668527] [<ffffffff82c78241>] binder_thread_dec_tmpref+0x1c1/0x250 [ 27.675291] [<ffffffff82c78d7d>] binder_thread_release+0x27d/0x540 [ 27.681794] [<ffffffff82c939e4>] binder_ioctl+0xb94/0x12e0 [ 27.687596] [<ffffffff8161e0ba>] compat_SyS_ioctl+0x28a/0x2540 [ 27.693757] [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890 [ 27.700016] [<ffffffff837772aa>] sysenter_flags_fixed+0xd/0x17 [ 27.706171] [ 27.707773] The buggy address belongs to the object at ffff8801d2717900 [ 27.707773] which belongs to the cache kmalloc-512 of size 512 [ 27.720401] The buggy address is located 184 bytes inside of [ 27.720401] 512-byte region [ffff8801d2717900, ffff8801d2717b00) [ 27.732245] The buggy address belongs to the page: [ 28.137513] kasan: CONFIG_KASAN_INLINE enabled [ 28.141970] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 28.154954] Dumping ftrace buffer: [ 28.158483] (ftrace buffer empty) [ 28.162187] Modules linked in: [ 28.165514] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.111-gc2f631b #20 [ 28.172516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.181875] task: ffff8801da3a97c0 task.stack: ffff8801da3b8000 [ 28.187932] RIP: 0010:[<ffffffff82e10b7c>] [<ffffffff82e10b7c>] __pskb_copy_fclone+0x49c/0xc10 [ 28.196918] RSP: 0018:ffff8801db307978 EFLAGS: 00010206 [ 28.202364] RAX: ffff8801da3a97c0 RBX: ffff8800b4bc4280 RCX: ffffffff82e10b7c [ 28.209635] RDX: 0000000000000100 RSI: ffff8800b49540c8 RDI: ffff8801d0803448 [ 28.216907] RBP: ffff8801db3079e8 R08: ffffed003a100659 R09: ffffed003a100659 [ 28.224173] R10: 0000000000000007 R11: ffffed003a100658 R12: 8000000000004080 [ 28.231449] R13: dffffc0000000000 R14: 0000000000000500 R15: ffff8800b4954000 [ 28.238717] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 28.246942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.252821] CR2: 000055a5e68b9100 CR3: 00000000b9b1e000 CR4: 0000000000160670 [ 28.260097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.267368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.274637] Stack: [ 28.276785] ffff88021fffd048 ffff8801d2868000 ffff8800b4954030 dffffc0000000000 [ 28.284877] 0000000000000001 ffff8800b4954000 ffff880100000000 ffffffff02080020 [ 28.292930] ffff8800b49540c8 ffff8801d2868000 ffff8800b11cd340 ffff8800b11ccc80 [ 28.300966] Call Trace: [ 28.303533] <IRQ> [ 28.305593] [<ffffffff8315a561>] tcp_transmit_skb+0x1cb1/0x2ce0 [ 28.312052] [<ffffffff831515dd>] ? tcp_established_options+0x2bd/0x420 [ 28.318812] [<ffffffff831575ac>] ? tcp_current_mss+0x22c/0x340 [ 28.324878] [<ffffffff831588b0>] ? __tcp_select_window+0x520/0x520 [ 28.331285] [<ffffffff831d5f90>] ? ipip_gro_complete+0x100/0x100 [ 28.337536] [<ffffffff810d00d3>] ? kvm_clock_read+0x23/0x40 [ 28.343341] [<ffffffff810d00f9>] ? kvm_clock_get_cycles+0x9/0x10 [ 28.349591] [<ffffffff8316462f>] __tcp_retransmit_skb+0x47f/0x17b0 [ 28.356006] [<ffffffff83166043>] tcp_retransmit_skb+0x23/0x2c0 [ 28.362072] [<ffffffff8316bb80>] tcp_retransmit_timer+0xa60/0x1f10 [ 28.368487] [<ffffffff8316d24e>] tcp_write_timer_handler+0x21e/0x6d0 [ 28.375087] [<ffffffff8316d7a1>] tcp_write_timer+0xa1/0xd0 [ 28.380804] [<ffffffff8129fe6b>] call_timer_fn+0x18b/0x860 [ 28.386521] [<ffffffff8129fdbc>] ? call_timer_fn+0xdc/0x860 [ 28.392328] [<ffffffff8316d700>] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.399087] [<ffffffff8129fce0>] ? process_timeout+0x20/0x20 [ 28.404974] [<ffffffff83774e87>] ? _raw_spin_unlock_irq+0x27/0x50 [ 28.411301] [<ffffffff8316d700>] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.418062] [<ffffffff81235ad6>] ? trace_hardirqs_on_caller+0x266/0x590 [ 28.424906] [<ffffffff8316d700>] ? tcp_write_timer_handler+0x6d0/0x6d0 [ 28.431660] [<ffffffff812a1f74>] run_timer_softirq+0x604/0xbb0 [ 28.437725] [<ffffffff812a1970>] ? msleep+0xe0/0xe0 [ 28.442834] [<ffffffff83778e3d>] __do_softirq+0x24d/0xa59 [ 28.448483] [<ffffffff8113da09>] irq_exit+0x119/0x140 [ 28.453763] [<ffffffff8377857b>] smp_apic_timer_interrupt+0x7b/0xa0 [ 28.460265] [<ffffffff837774d0>] apic_timer_interrupt+0xa0/0xb0 [ 28.466414] <EOI> [ 28.468502] [<ffffffff810d0526>] ? native_safe_halt+0x6/0x10 [ 28.474688] [<ffffffff81235e0d>] ? trace_hardirqs_on+0xd/0x10 [ 28.480690] [<ffffffff81027e15>] default_idle+0x55/0x3c0 [ 28.486233] [<ffffffff8102938a>] arch_cpu_idle+0xa/0x10 [ 28.491691] [<ffffffff81220508>] default_idle_call+0x48/0x70 [ 28.497597] [<ffffffff81220c15>] cpu_startup_entry+0x605/0x820 [ 28.503664] [<ffffffff81235bfb>] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.510534] [<ffffffff81220610>] ? call_cpuidle+0xe0/0xe0 [ 28.516161] [<ffffffff812cda92>] ? clockevents_register_device+0x122/0x230 [ 28.523267] [<ffffffff810ad7a4>] start_secondary+0x304/0x3e0 [ 28.529181] [<ffffffff810ad4a0>] ? set_cpu_sibling_map+0x1040/0x1040 [ 28.535754] 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 04 f3 54 fe <f0> 41 ff 84 24 dc 00 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 [ 28.563281] RIP [<ffffffff82e10b7c>] __pskb_copy_fclone+0x49c/0xc10 [ 28.569913] RSP <ffff8801db307978> [ 28.573595] ---[ end trace 78e98d7b9167754e ]--- [ 28.578379] 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: 0x00000000014270c6 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-gc2f631b (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #20 SMP PREEMPT Mon Jan 15 13:36:19 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 1944290132 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 [ 1.301589] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.302752] pid_max: default: 32768 minimum: 301 [ 1.303468] ACPI: Core revision 20150930 [ 1.376004] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.377286] Security Framework initialized [ 1.377881] SELinux: Initializing. [ 1.378544] AppArmor: AppArmor disabled by boot time parameter [ 1.379484] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.380424] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.384312] Initializing cgroup subsys io [ 1.384967] Initializing cgroup subsys freezer [ 1.385648] Initializing cgroup subsys hugetlb [ 1.386292] Initializing cgroup subsys debug [ 1.387082] CPU: Physical Processor ID: 0 [ 1.389038] mce: CPU supports 32 MCE banks [ 1.389879] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.390710] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.394019] Freeing SMP alternatives memory: 44K [ 1.403394] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.520944] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.522696] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.611214] x86: Booting SMP configuration: [ 1.611960] .... node #0, CPUs: #1 [ 1.612881] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.617952] x86: Booted up 1 node, 2 CPUs [ 1.618621] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.623456] devtmpfs: initialized [ 1.633136] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.634581] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.636296] xor: automatically using best checksumming function: [ 1.649207] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left [ 1.730957] avx : 21588.000 MB/sec [ 1.732288] RTC time: 7:24:25, date: 01/17/18 [ 1.734665] NET: Registered protocol family 16 [ 1.735808] schedtune: init normalization constants... [ 1.736615] schedtune: no energy model data [ 1.737235] schedtune: disabled! [ 1.771317] cpuidle: using governor ladder [ 1.801026] cpuidle: using governor menu [ 1.802483] ACPI: bus type PCI registered [ 1.803059] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.805986] PCI: Using configuration type 1 for base access [ 1.815438] kworker/u4:0 (39) used greatest stack depth: 27544 bytes left [ 1.818385] kworker/u4:0 (68) used greatest stack depth: 27224 bytes left [ 1.994797] kworker/u4:0 (372) used greatest stack depth: 26984 bytes left [ 2.240951] raid6: sse2x1 gen() 4737 MB/s [ 2.410939] raid6: sse2x1 xor() 2524 MB/s [ 2.580932] raid6: sse2x2 gen() 7510 MB/s [ 2.750919] raid6: sse2x2 xor() 4202 MB/s [ 2.920903] raid6: sse2x4 gen() 9818 MB/s [ 3.090898] raid6: sse2x4 xor() 4490 MB/s [ 3.260889] raid6: avx2x1 gen() 9335 MB/s [ 3.430876] raid6: avx2x2 gen() 14573 MB/s [ 3.600864] raid6: avx2x4 gen() 19033 MB/s [ 3.601604] raid6: using algorithm avx2x4 gen() 19033 MB/s [ 3.602382] raid6: using avx2x2 recovery algorithm [ 3.603728] ACPI: Added _OSI(Module Device) [ 3.604394] ACPI: Added _OSI(Processor Device) [ 3.605098] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.605796] ACPI: Added _OSI(Processor Aggregator Device) [ 3.616593] ACPI: Executed 2 blocks of module-level executable AML code [ 3.695068] ACPI: Interpreter enabled [ 3.696058] ACPI: (supports S0 S3 S4 S5) [ 3.696649] ACPI: Using IOAPIC for interrupt routing [ 3.697917] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.910924] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.912054] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.913414] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.914555] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.941154] PCI host bridge to bus 0000:00 [ 3.941778] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.942818] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.943798] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.944888] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.945973] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.986070] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.074203] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.080463] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.086515] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.092625] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.096359] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.109584] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.113427] vgaarb: loaded [ 4.117061] SCSI subsystem initialized [ 4.122715] ACPI: bus type USB registered [ 4.124824] usbcore: registered new interface driver usbfs [ 4.126146] usbcore: registered new interface driver hub [ 4.127193] usbcore: registered new device driver usb [ 4.129404] pps_core: LinuxPPS API ver. 1 registered [ 4.130116] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 4.131768] PTP clock support registered [ 4.134909] Advanced Linux Sound Architecture Driver Initialized. [ 4.137352] PCI: Using ACPI for IRQ routing [ 4.145145] NetLabel: Initializing [ 4.145754] NetLabel: domain hash size = 128 [ 4.146441] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.147476] NetLabel: unlabeled traffic allowed by default [ 4.150267] amd_nb: Cannot enumerate AMD northbridges [ 4.151292] clocksource: Switched to clocksource kvm-clock [ 4.312341] pnp: PnP ACPI init [ 4.335207] pnp: PnP ACPI: found 7 devices [ 4.349328] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.350939] NET: Registered protocol family 2 [ 4.353857] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.355375] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.362790] TCP: Hash tables configured (established 65536 bind 65536) [ 4.364199] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.366670] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.369556] NET: Registered protocol family 1 [ 4.370353] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.373114] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.374015] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.376090] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.377393] hw unit of domain pp0-core 2^-0 Joules [ 4.378148] hw unit of domain package 2^-0 Joules [ 4.378840] hw unit of domain dram 2^-16 Joules [ 4.385565] Scanning for low memory corruption every 60 seconds [ 4.394093] audit: initializing netlink subsys (disabled) [ 4.395129] audit: type=2000 audit(1516173868.352:1): initialized [ 4.402758] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.537280] VFS: Disk quotas dquot_6.6.0 [ 4.539006] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.562332] fuse init (API version 7.23) [ 4.565822] 9p: Installing v9fs 9p2000 file system support [ 4.580577] async_tx: api initialized (async) [ 4.582514] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.583744] io scheduler noop registered [ 4.584319] io scheduler deadline registered [ 4.586775] io scheduler cfq registered (default) [ 4.595817] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.599591] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.600660] ACPI: Power Button [PWRF] [ 4.602471] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.603501] ACPI: Sleep Button [SLPF] [ 4.629535] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.630591] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.654253] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.655231] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.662425] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.685806] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.711662] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.737964] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.763333] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.772191] Non-volatile memory driver v1.3 [ 4.774445] Linux agpgart interface v0.103 [ 4.777867] [drm] Initialized drm 1.1.0 20060810 [ 4.878904] brd: module loaded [ 4.949771] loop: module loaded [ 4.974349] nbd: registered device at major 43 [ 5.114345] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 5.116062] drbd: built-in [ 5.116822] drbd: registered as block device major 147 [ 5.144623] scsi host0: Virtio SCSI HBA [ 5.182074] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6