[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.440176] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.548248] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 23.949078] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 25.028558] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2018/05/23 11:43:34 parsed 1 programs 2018/05/23 11:43:34 executed programs: 0 [ 31.312389] IPVS: Creating netns size=2552 id=1 [ 31.499036] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.514380] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 31.600653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.615944] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.746240] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.761252] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.777007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.795924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.548212] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.587537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.871086] ================================================================== [ 32.878506] BUG: KASAN: slab-out-of-bounds in ip6_tnl_xmit2+0x2043/0x20d0 [ 32.885416] Read of size 16 at addr ffff8800ba97ddb0 by task syz-executor0/4115 [ 32.892834] [ 32.894439] CPU: 0 PID: 4115 Comm: syz-executor0 Not tainted 4.4.132-gecf86dd #44 [ 32.902039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.911395] 0000000000000000 c4ac5457ec4204de ffff8801d7e16ba0 ffffffff81e0df8d [ 32.919388] ffffea0002ea5f00 ffff8800ba97ddb0 0000000000000000 ffff8800ba97ddb8 [ 32.927392] ffff8801d7f52200 ffff8801d7e16bd8 ffffffff8151526c ffff8800ba97ddb0 [ 32.935385] Call Trace: [ 32.937952] [] dump_stack+0xc1/0x124 [ 32.943291] [] print_address_description+0x6c/0x216 [ 32.949933] [] kasan_report.cold.7+0x175/0x2f7 [ 32.956153] [] ? ip6_tnl_xmit2+0x2043/0x20d0 [ 32.962189] [] __asan_report_load_n_noabort+0xf/0x20 [ 32.968915] [] ip6_tnl_xmit2+0x2043/0x20d0 [ 32.974778] [] ? dump_trace+0x184/0x360 [ 32.980375] [] ? ip6ip6_err+0x530/0x530 [ 32.985971] [] ? save_stack_trace+0x26/0x50 [ 32.991916] [] ? save_trace+0xe0/0x250 [ 32.997430] [] ? mark_lock+0x28f/0x1280 [ 33.003027] [] ? check_usage_forwards+0x2e0/0x2e0 [ 33.009492] [] ? make_kuid+0xf0/0x180 [ 33.014920] [] ip6_tnl_xmit+0x910/0xc60 [ 33.020523] [] ? ip6_tnl_xmit2+0x20d0/0x20d0 [ 33.026559] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.033555] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.040555] [] dev_hard_start_xmit+0x7b1/0x11c0 [ 33.046864] [] __dev_queue_xmit+0x16c0/0x1c80 [ 33.053003] [] ? __dev_queue_xmit+0x1d7/0x1c80 [ 33.059226] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 33.065523] [] ? netdev_pick_tx+0x2c0/0x2c0 [ 33.071466] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 33.077767] [] ? _raw_write_unlock_bh+0x30/0x40 [ 33.084063] [] ? __neigh_create+0x965/0x1b20 [ 33.090118] [] dev_queue_xmit+0x17/0x20 [ 33.095718] [] neigh_direct_output+0x15/0x20 [ 33.101753] [] ip_finish_output2+0x6ab/0x1110 [ 33.107878] [] ? ip_finish_output2+0x212/0x1110 [ 33.114173] [] ? nf_hook_slow+0x1db/0x340 [ 33.119945] [] ? ip_copy_metadata+0x700/0x700 [ 33.126062] [] ? nf_hook_slow+0x202/0x340 [ 33.131843] [] ip_finish_output+0x843/0xbc0 [ 33.137788] [] ip_output+0x219/0x4c0 [ 33.143123] [] ? ip_mc_output+0x980/0x980 [ 33.148903] [] ? ip_make_skb+0x116/0x210 [ 33.154589] [] ? ip_fragment.constprop.50+0x200/0x200 [ 33.161402] [] ? ip_flush_pending_frames+0x30/0x30 [ 33.167955] [] ip_local_out+0x9b/0x180 [ 33.173468] [] ip_send_skb+0x3c/0xc0 [ 33.178806] [] udp_send_skb+0x5c3/0xc60 [ 33.184402] [] udp_sendmsg+0x16ce/0x1bb0 [ 33.190098] [] ? ip_reply_glue_bits+0xc0/0xc0 [ 33.196226] [] ? udp4_lib_lookup+0x60/0x60 [ 33.202104] [] ? __lock_acquire+0xa86/0x5270 [ 33.208145] [] udpv6_sendmsg+0x12cd/0x24c0 [ 33.214597] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.221590] [] ? __virt_addr_valid+0x1a0/0x1a0 [ 33.227799] [] ? udp6_lib_lookup2+0x990/0x990 [ 33.234026] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.241021] [] ? sock_has_perm+0x1c1/0x400 [ 33.246880] [] ? sock_has_perm+0x29f/0x400 [ 33.252749] [] ? sock_has_perm+0x9f/0x400 [ 33.258525] [] ? inet_sendmsg+0x143/0x4d0 [ 33.264298] [] inet_sendmsg+0x203/0x4d0 [ 33.269895] [] ? inet_sendmsg+0x73/0x4d0 [ 33.275594] [] ? inet_recvmsg+0x4c0/0x4c0 [ 33.281370] [] sock_sendmsg+0xcc/0x110 [ 33.286881] [] ___sys_sendmsg+0x441/0x880 [ 33.292655] [] ? hash_futex+0x15/0x210 [ 33.298166] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.304724] [] ? futex_wake+0x153/0x460 [ 33.310328] [] ? get_futex_key+0xd80/0xd80 [ 33.316190] [] ? check_preemption_disabled+0x3b/0x170 [ 33.323016] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.329748] [] ? __fget_light+0x9f/0x1f0 [ 33.335435] [] ? __fdget+0x18/0x20 [ 33.340607] [] ? sockfd_lookup_light+0xb6/0x160 [ 33.346903] [] __sys_sendmmsg+0x1d4/0x2e0 [ 33.352677] [] ? SyS_sendmsg+0x50/0x50 [ 33.358192] [] ? ip6_datagram_connect+0x3a/0x50 [ 33.364489] [] ? inet_dgram_connect+0x11e/0x200 [ 33.370792] [] ? SYSC_connect+0x22a/0x300 [ 33.376565] [] ? SYSC_bind+0x280/0x280 [ 33.382090] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 33.388213] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 33.395202] [] ? SyS_socket+0x121/0x1b0 [ 33.400796] [] ? move_addr_to_kernel+0x50/0x50 [ 33.407002] [] ? vmacache_update+0xfe/0x130 [ 33.412947] [] compat_SyS_sendmmsg+0x32/0x40 [ 33.418979] [] ? compat_SyS_sendmsg+0x40/0x40 [ 33.425102] [] do_fast_syscall_32+0x326/0x8b0 [ 33.431229] [] sysenter_flags_fixed+0xd/0x17 [ 33.437258] [ 33.438866] Allocated by task 4115: [ 33.442462] [] save_stack_trace+0x26/0x50 [ 33.448360] [] save_stack+0x43/0xd0 [ 33.453732] [] kasan_kmalloc+0xc7/0xe0 [ 33.459362] [] __kmalloc+0x124/0x310 [ 33.464821] [] __neigh_create+0x1d6/0x1b20 [ 33.470803] [] ipv4_neigh_lookup+0x4dd/0x700 [ 33.476955] [] ip6_tnl_xmit2+0x613/0x20d0 [ 33.482852] [] ip6_tnl_xmit+0x910/0xc60 [ 33.488573] [] dev_hard_start_xmit+0x7b1/0x11c0 [ 33.494993] [] __dev_queue_xmit+0x16c0/0x1c80 [ 33.501235] [] dev_queue_xmit+0x17/0x20 [ 33.506950] [] neigh_direct_output+0x15/0x20 [ 33.513099] [] ip_finish_output2+0x6ab/0x1110 [ 33.519342] [] ip_finish_output+0x843/0xbc0 [ 33.525411] [] ip_output+0x219/0x4c0 [ 33.530870] [] ip_local_out+0x9b/0x180 [ 33.536499] [] ip_send_skb+0x3c/0xc0 [ 33.541955] [] udp_send_skb+0x5c3/0xc60 [ 33.547674] [] udp_sendmsg+0x16ce/0x1bb0 [ 33.553478] [] udpv6_sendmsg+0x12cd/0x24c0 [ 33.559461] [] inet_sendmsg+0x203/0x4d0 [ 33.565185] [] sock_sendmsg+0xcc/0x110 [ 33.570829] [] ___sys_sendmsg+0x441/0x880 [ 33.576723] [] __sys_sendmmsg+0x1d4/0x2e0 [ 33.582626] [] compat_SyS_sendmmsg+0x32/0x40 [ 33.588777] [] do_fast_syscall_32+0x326/0x8b0 [ 33.595027] [] sysenter_flags_fixed+0xd/0x17 [ 33.601183] [ 33.602785] Freed by task 2412: [ 33.606033] [] save_stack_trace+0x26/0x50 [ 33.611932] [] save_stack+0x43/0xd0 [ 33.617305] [] kasan_slab_free+0x72/0xc0 [ 33.623107] [] kfree+0xf4/0x310 [ 33.628131] [] free_pipe_info+0x210/0x2c0 [ 33.634025] [] put_pipe_info+0xb8/0xe0 [ 33.639669] [] pipe_release+0x1af/0x250 [ 33.645393] [] __fput+0x235/0x6f0 [ 33.650588] [] ____fput+0x15/0x20 [ 33.655784] [] task_work_run+0x10f/0x190 [ 33.661591] [] exit_to_usermode_loop+0x13d/0x160 [ 33.668098] [] syscall_return_slowpath+0x1b5/0x1f0 [ 33.674776] [] int_ret_from_sys_call+0x25/0xa3 [ 33.681110] [ 33.682715] The buggy address belongs to the object at ffff8800ba97db00 [ 33.682715] which belongs to the cache kmalloc-1024 of size 1024 [ 33.695518] The buggy address is located 688 bytes inside of [ 33.695518] 1024-byte region [ffff8800ba97db00, ffff8800ba97df00) [ 33.707450] The buggy address belongs to the page: [ 33.727553] BUG: unable to handle kernel NULL pointer dereference at (null) [ 33.735846] IP: [< SeaBIOS (version 1.8.2-20171130_102032-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 0x000f2350: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b5226e input_len: 0x00000000014cb8ec output: 0x0000000001000000 output_len: 0x0000000004008a40 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 4.4.132-gecf86dd (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #44 SMP PREEMPT Wed May 23 05:56:23 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 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] 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 0x0000000000100000-0x00000000bfff2fff] 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 0x000f23d0-0x000f23df] mapped at [ffff8800000f23d0] [ 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 0x00000000000F2390 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 2419713378 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 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 (41752K kernel code, 6301K rwdata, 9048K 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 [ 1.207738] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.208895] pid_max: default: 32768 minimum: 301 [ 1.209601] ACPI: Core revision 20150930 [ 1.634413] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.635771] Security Framework initialized [ 1.636361] SELinux: Initializing. [ 1.637114] AppArmor: AppArmor disabled by boot time parameter [ 1.638114] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.639073] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.642756] Initializing cgroup subsys io [ 1.643406] Initializing cgroup subsys freezer [ 1.644052] Initializing cgroup subsys hugetlb [ 1.644734] Initializing cgroup subsys debug [ 1.645500] CPU: Physical Processor ID: 0 [ 1.647425] mce: CPU supports 32 MCE banks [ 1.648212] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.649052] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.649959] Spectre V2 : Mitigation: Full generic retpoline [ 1.653018] Freeing SMP alternatives memory: 48K [ 1.662903] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.777054] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.778741] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.867336] x86: Booting SMP configuration: [ 1.868014] .... node #0, CPUs: #1 [ 1.868953] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.874324] x86: Booted up 1 node, 2 CPUs [ 1.874944] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.879184] devtmpfs: initialized [ 1.889679] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.891160] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.893134] xor: automatically using best checksumming function: [ 1.905684] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.987061] avx : 21707.200 MB/sec [ 1.988551] RTC time: 11:43:42, date: 05/23/18 [ 1.991861] NET: Registered protocol family 16 [ 1.993017] schedtune: init normalization constants... [ 1.993741] schedtune: no energy model data [ 1.994339] schedtune: disabled! [ 2.027325] cpuidle: using governor ladder [ 2.057088] cpuidle: using governor menu [ 2.058460] ACPI: bus type PCI registered [ 2.059176] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.062326] PCI: Using configuration type 1 for base access [ 2.067253] kworker/u4:0 (39) used greatest stack depth: 27616 bytes left [ 2.074215] kworker/u4:0 (43) used greatest stack depth: 27424 bytes left [ 2.124237] kworker/u4:0 (151) used greatest stack depth: 27024 bytes left [ 2.537001] raid6: sse2x1 gen() 4613 MB/s [ 2.706976] raid6: sse2x1 xor() 2593 MB/s [ 2.876955] raid6: sse2x2 gen() 7029 MB/s [ 3.046946] raid6: sse2x2 xor() 4046 MB/s [ 3.216925] raid6: sse2x4 gen() 8703 MB/s [ 3.386903] raid6: sse2x4 xor() 5319 MB/s [ 3.556884] raid6: avx2x1 gen() 9404 MB/s [ 3.726868] raid6: avx2x2 gen() 14628 MB/s [ 3.896854] raid6: avx2x4 gen() 19191 MB/s [ 3.897620] raid6: using algorithm avx2x4 gen() 19191 MB/s [ 3.898396] raid6: using avx2x2 recovery algorithm [ 3.899836] ACPI: Added _OSI(Module Device) [ 3.900497] ACPI: Added _OSI(Processor Device) [ 3.901167] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.901867] ACPI: Added _OSI(Processor Aggregator Device) [ 3.929308] ACPI: Executed 2 blocks of module-level executable AML code [ 4.881838] ACPI: Interpreter enabled [ 4.882946] ACPI: (supports S0 S3 S4 S5) [ 4.883570] ACPI: Using IOAPIC for interrupt routing [ 4.884758] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug