[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.982556] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.198232] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 24.408718] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 25.791598] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) [ 35.295509] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. 2018/07/21 09:18:49 parsed 1 programs 2018/07/21 09:18:50 executed programs: 0 [ 92.120801] IPVS: Creating netns size=2552 id=1 [ 92.207695] IPVS: Creating netns size=2552 id=2 [ 92.275909] IPVS: Creating netns size=2552 id=3 [ 92.347056] IPVS: Creating netns size=2552 id=4 [ 92.447884] IPVS: Creating netns size=2552 id=5 [ 92.587931] IPVS: Creating netns size=2552 id=6 [ 92.686832] IPVS: Creating netns size=2552 id=7 [ 92.839990] IPVS: Creating netns size=2552 id=8 2018/07/21 09:18:55 executed programs: 196 2018/07/21 09:19:00 executed programs: 420 2018/07/21 09:19:06 executed programs: 648 2018/07/21 09:19:11 executed programs: 876 2018/07/21 09:19:16 executed programs: 1099 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes 2018/07/21 09:19:21 executed programs: 1326 2018/07/21 09:19:26 executed programs: 1559 2018/07/21 09:19:31 executed programs: 1784 2018/07/21 09:19:36 executed programs: 2023 2018/07/21 09:19:41 executed programs: 2245 2018/07/21 09:19:46 executed programs: 2480 2018/07/21 09:19:51 executed programs: 2698 2018/07/21 09:19:56 executed programs: 2935 2018/07/21 09:20:01 executed programs: 3153 2018/07/21 09:20:06 executed programs: 3379 2018/07/21 09:20:11 executed programs: 3605 2018/07/21 09:20:16 executed programs: 3839 2018/07/21 09:20:21 executed programs: 4062 2018/07/21 09:20:26 executed programs: 4298 2018/07/21 09:20:31 executed programs: 4525 2018/07/21 09:20:36 executed programs: 4755 2018/07/21 09:20:41 executed programs: 4980 2018/07/21 09:20:46 executed programs: 5210 2018/07/21 09:20:51 executed programs: 5443 2018/07/21 09:20:56 executed programs: 5675 2018/07/21 09:21:01 executed programs: 5915 2018/07/21 09:21:06 executed programs: 6150 2018/07/21 09:21:11 executed programs: 6385 2018/07/21 09:21:16 executed programs: 6600 2018/07/21 09:21:21 executed programs: 6826 2018/07/21 09:21:26 executed programs: 7053 2018/07/21 09:21:31 executed programs: 7287 2018/07/21 09:21:36 executed programs: 7525 2018/07/21 09:21:41 executed programs: 7765 2018/07/21 09:21:46 executed programs: 7987 2018/07/21 09:21:51 executed programs: 8218 2018/07/21 09:21:56 executed programs: 8448 2018/07/21 09:22:01 executed programs: 8679 2018/07/21 09:22:06 executed programs: 8922 2018/07/21 09:22:11 executed programs: 9154 2018/07/21 09:22:16 executed programs: 9385 2018/07/21 09:22:21 executed programs: 9622 2018/07/21 09:22:26 executed programs: 9845 2018/07/21 09:22:31 executed programs: 10070 [ 314.854395] ================================================================== [ 314.861934] BUG: KASAN: use-after-free in __lock_acquire+0x3c66/0x5270 [ 314.868613] Read of size 8 at addr ffff8800acf822a0 by task syz-executor7/12260 [ 314.876044] [ 314.877659] CPU: 1 PID: 12260 Comm: syz-executor7 Not tainted 4.4.141-g1b37d68 #7 [ 314.885260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.894602] 0000000000000000 bb7cd25a1b41683e ffff8800b56f7a30 ffffffff81e0e18d [ 314.902640] ffffea0002b3e000 ffff8800acf822a0 0000000000000000 ffff8800acf822a0 [ 314.910673] 0000000000000000 ffff8800b56f7a68 ffffffff81515a86 ffff8800acf822a0 [ 314.918746] Call Trace: [ 314.921327] [] dump_stack+0xc1/0x124 [ 314.926680] [] print_address_description+0x6c/0x216 [ 314.933336] [] kasan_report.cold.7+0x175/0x2f7 [ 314.939559] [] ? __lock_acquire+0x3c66/0x5270 [ 314.945728] [] __asan_report_load8_noabort+0x14/0x20 [ 314.952477] [] __lock_acquire+0x3c66/0x5270 [ 314.958441] [] ? dput+0x1f/0x30 [ 314.963409] [] ? __fput+0x401/0x6f0 [ 314.968677] [] ? ____fput+0x15/0x20 [ 314.973945] [] ? task_work_run+0x10f/0x190 [ 314.979816] [] ? exit_to_usermode_loop+0x13d/0x160 [ 314.986384] [] ? __lock_acquire+0xa86/0x5270 [ 314.992427] [] ? debug_check_no_locks_freed+0x210/0x210 [ 314.999430] [] ? debug_check_no_locks_freed+0x210/0x210 [ 315.006424] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 315.013254] [] lock_acquire+0x15e/0x450 [ 315.018857] [] ? lock_sock_nested+0x43/0x120 [ 315.024891] [] ? get_parent_ip+0xd/0x50 [ 315.030488] [] ? sock_release+0x1c0/0x1c0 [ 315.036262] [] _raw_spin_lock_bh+0x3a/0x50 [ 315.042138] [] ? lock_sock_nested+0x43/0x120 [ 315.048172] [] lock_sock_nested+0x43/0x120 [ 315.054038] [] pppol2tp_release+0x50/0x310 [ 315.059900] [] sock_release+0x96/0x1c0 [ 315.065414] [] sock_close+0x16/0x20 [ 315.070682] [] __fput+0x235/0x6f0 [ 315.075777] [] ____fput+0x15/0x20 [ 315.080856] [] task_work_run+0x10f/0x190 [ 315.086542] [] exit_to_usermode_loop+0x13d/0x160 [ 315.092936] [] do_fast_syscall_32+0x620/0x8b0 [ 315.099071] [] sysenter_flags_fixed+0xd/0x17 [ 315.105106] [ 315.106716] Allocated by task 12287: [ 315.110401] [] save_stack_trace+0x26/0x50 [ 315.116297] [] save_stack+0x43/0xd0 [ 315.121667] [] kasan_kmalloc+0xc7/0xe0 [ 315.127305] [] __kmalloc+0x124/0x310 [ 315.132772] [] sk_prot_alloc+0x204/0x300 [ 315.138580] [] sk_alloc+0x3a/0x3a0 [ 315.143871] [] pppol2tp_create+0x33/0x1f0 [ 315.149771] [] pppox_create+0xf6/0x200 [ 315.155413] [] __sock_create+0x2f0/0x5f0 [ 315.161226] [] SyS_socket+0xf0/0x1b0 [ 315.166691] [] do_fast_syscall_32+0x326/0x8b0 [ 315.172932] [] sysenter_flags_fixed+0xd/0x17 [ 315.179083] [ 315.180686] Freed by task 12260: [ 315.184034] [] save_stack_trace+0x26/0x50 [ 315.189929] [] save_stack+0x43/0xd0 [ 315.195331] [] kasan_slab_free+0x72/0xc0 [ 315.201134] [] kfree+0xf4/0x310 [ 315.206163] [] sk_destruct+0x407/0x4c0 [ 315.211807] [] __sk_free+0x4f/0x220 [ 315.217177] [] sk_free+0x30/0x40 [ 315.222294] [] pppol2tp_session_sock_put+0x5f/0x70 [ 315.228976] [] l2tp_tunnel_closeall+0x23c/0x350 [ 315.235395] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 315.241818] [] udpv6_destroy_sock+0xb1/0xd0 [ 315.247907] [] sk_common_release+0x6d/0x300 [ 315.253974] [] udp_lib_close+0x15/0x20 [ 315.259605] [] inet_release+0xff/0x1d0 [ 315.265242] [] inet6_release+0x50/0x70 [ 315.270880] [] sock_release+0x96/0x1c0 [ 315.276531] [] sock_close+0x16/0x20 [ 315.281902] [] __fput+0x235/0x6f0 [ 315.287110] [] ____fput+0x15/0x20 [ 315.292314] [] task_work_run+0x10f/0x190 [ 315.298129] [] exit_to_usermode_loop+0x13d/0x160 [ 315.304635] [] do_fast_syscall_32+0x620/0x8b0 [ 315.310966] [] sysenter_flags_fixed+0xd/0x17 [ 315.317130] [ 315.318762] The buggy address belongs to the object at ffff8800acf82200 [ 315.318762] which belongs to the cache kmalloc-2048 of size 2048 [ 315.331564] The buggy address is located 160 bytes inside of [ 315.331564] 2048-byte region [ffff8800acf82200, ffff8800acf82a00) [ 315.343508] The buggy address belongs to the page: [ 315.349900] kasan: CONFIG_KASAN_INLINE enabled [ 315.354322] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 315.367227] Dumping ftrace buffer: [ 315.370751] (ftrace buffer empty) [ 315.374445] Modules linked in: [ 315.377751] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.141-g1b37d68 #7 [ 315.384659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.394001] task: ffffffff84417840 task.stack: ffffffff84400000 [ 315.400049] RIP: 0010:[] [] debug_object_deactivate+0x191/0x340 [ 315.409462] RSP: 0018:ffff8801db207cf0 EFLAGS: 00010003 [ 315.414903] RAX: dffffc0000000000 RBX: 4f5f4755425f4d56 RCX: 09ebe8eaa84be9ad [ 315.422172] RDX: 0000000000000000 RSI: ffffffff844c6720 RDI: 4f5f4755425f4d6e [ 315.429434] RBP: ffff8801db207da8 R08: ffffffff85353140 R09: 0000000000000001 [ 315.436697] R10: 0000000000000001 R11: ffffffff84417840 R12: 1ffff1003b640fa0 [ 315.444061] R13: ffffffff859dffa8 R14: ffff8801da0efd28 R15: 0000000000000003 [ 315.451329] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 315.459553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 315.465428] CR2: 00007fc2b426a000 CR3: 00000001d86b7000 CR4: 00000000001606f0 [ 315.472692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 315.479978] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 315.487235] Stack: [ 315.489398] 0000000000000092 ffffffff844c6720 0000000041b58ab3 ffffffff8420a12f [ 315.497483] ffffffff81e6fab0 ffffffff84417840 fffffbfff0883023 ffffffff84418120 [ 315.505545] ffff8801db219658 0000000000000000 ffff8801db207d80 ffffffff812296c2 [ 315.513595] Call Trace: [ 315.516163] [ 315.518227] [] ? debug_object_activate+0x480/0x480 [ 315.525108] [] ? __lock_is_held+0xa2/0xf0 [ 315.530991] [] __hrtimer_run_queues+0x222/0x1000 [ 315.537391] [] ? retrigger_next_event+0x1c0/0x1c0 [ 315.543883] [] ? kvm_clock_read+0x23/0x40 [ 315.549686] [] ? kvm_clock_get_cycles+0x9/0x10 [ 315.555939] [] ? hrtimer_interrupt+0x12d/0x430 [ 315.562170] [] hrtimer_interrupt+0x1b1/0x430 [ 315.568228] [] local_apic_timer_interrupt+0x74/0xa0 [ 315.574930] [] smp_apic_timer_interrupt+0x7c/0xa0 [ 315.581444] [] apic_timer_interrupt+0xa0/0xb0 [ 315.587576] [ 315.589635] [] ? native_safe_halt+0x6/0x10 [ 315.595820] [] ? trace_hardirqs_on+0xd/0x10 [ 315.601790] [] default_idle+0x55/0x3c0 [ 315.607327] [] arch_cpu_idle+0x10/0x20 [ 315.612864] [] default_idle_call+0x57/0x70 [ 315.618750] [] cpu_startup_entry+0x6af/0x780 [ 315.624812] [] ? call_cpuidle+0xe0/0xe0 [ 315.630436] [] rest_init+0x188/0x18e [ 315.635806] [] start_kernel+0x6b3/0x6e7 [ 315.641434] [] ? thread_stack_cache_init+0xb/0xb [ 315.647841] [] ? early_idt_handler_array+0x120/0x120 [ 315.654600] [] ? early_idt_handler_array+0x120/0x120 [ 315.661354] [] x86_64_start_reservations+0x29/0x2b [ 315.667937] [] x86_64_start_kernel+0x13f/0x162 [ 315.674162] Code: a9 01 00 00 48 8b 1b 41 bf 01 00 00 00 48 85 db 74 42 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 41 83 c7 01 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0c 01 00 00 4c 3b 73 18 74 7d 48 89 d9 48 c1 [ 315.701858] RIP [] debug_object_deactivate+0x191/0x340 [ 315.708946] RSP [ 315.712571] ---[ end trace eab6d2c86b6176b4 ]--- [ 315.717315] Kernel panic - not syncing: Fatal exception in interrupt SeaBIOS (version 1.8.2-20171012_061934-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 256 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 0x000f2290: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b5126e input_len: 0x00000000014cc9d8 output: 0x0000000001000000 output_len: 0x0000000004008a90 run_size: 0x0000000005752000 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 4.4.141-g1b37d68 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #7 SMP PREEMPT Wed Jul 18 22:46:07 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=140 nopti [ 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] 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 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] 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] Kernel/User page tables isolation: disabled [ 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 = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2310-0x000f231f] mapped at [ffff8800000f2310] [ 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 0x00000000000F22D0 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 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 2130826115 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 0x0000000000100000-0x00000000bfff2fff] [ 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 0xbfff3000-0xbfffffff] [ 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: 1935227 [ 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=140 nopti [ 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: 6579092K/7863876K available (41762K kernel code, 6303K rwdata, 9052K rodata, 1864K init, 23696K bss, 1284784K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 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 [ 1.144183] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.145373] pid_max: default: 32768 minimum: 301 [ 1.146099] ACPI: Core revision 20150930 [ 1.570601] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.571876] Security Framework initialized [ 1.572444] SELinux: Initializing. [ 1.573104] AppArmor: AppArmor disabled by boot time parameter [ 1.574101] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.575030] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.578700] Initializing cgroup subsys io [ 1.579332] Initializing cgroup subsys freezer [ 1.580016] Initializing cgroup subsys hugetlb [ 1.580654] Initializing cgroup subsys debug [ 1.581390] CPU: Physical Processor ID: 0 [ 1.583090] mce: CPU supports 32 MCE banks [ 1.583926] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.584754] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.585724] Spectre V2 : Mitigation: Full generic retpoline [ 1.588783] Freeing SMP alternatives memory: 48K [ 1.601605] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.713501] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.715006] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.803795] x86: Booting SMP configuration: [ 1.804562] .... node #0, CPUs: #1 [ 1.805352] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.810026] x86: Booted up 1 node, 2 CPUs [ 1.810654] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.814909] devtmpfs: initialized [ 1.825193] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.826573] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.828243] xor: automatically using best checksumming function: [ 1.841193] kworker/u4:0 (21) used greatest stack depth: 27424 bytes left [ 1.923522] avx : 23539.200 MB/sec [ 1.924753] RTC time: 9:22:40, date: 07/21/18 [ 1.927896] NET: Registered protocol family 16 [ 1.929077] schedtune: init normalization constants... [ 1.929779] schedtune: no energy model data [ 1.930409] schedtune: disabled! [ 1.963819] cpuidle: using governor ladder [ 1.993611] cpuidle: using governor menu [ 1.994967] ACPI: bus type PCI registered [ 1.995538] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.998559] PCI: Using configuration type 1 for base access [ 2.443590] raid6: sse2x1 gen() 4722 MB/s [ 2.613523] raid6: sse2x1 xor() 2551 MB/s [ 2.783520] raid6: sse2x2 gen() 6905 MB/s [ 2.953525] raid6: sse2x2 xor() 3896 MB/s [ 3.123532] raid6: sse2x4 gen() 8482 MB/s [ 3.293529] raid6: sse2x4 xor() 5372 MB/s [ 3.463526] raid6: avx2x1 gen() 9237 MB/s [ 3.633526] raid6: avx2x2 gen() 14448 MB/s [ 3.803528] raid6: avx2x4 gen() 19419 MB/s [ 3.804310] raid6: using algorithm avx2x4 gen() 19419 MB/s [ 3.805120] raid6: using avx2x2 recovery algorithm [ 3.806498] ACPI: Added _OSI(Module Device) [ 3.807108] ACPI: Added _OSI(Processor Device) [ 3.807732] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.808382] ACPI: Added _OSI(Processor Aggregator Device) [ 3.835405] ACPI: Executed 2 blocks of module-level executable AML code [ 4.771389] ACPI: Interpreter enabled [ 4.772364] ACPI: (supports S0 S3 S4 S5) [ 4.772914] ACPI: Using IOAPIC for interrupt routing [ 4.774075] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug