[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.303061] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 22.485902] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 22.886562] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [ 24.033862] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) [ 24.189509] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available) Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts. [ 29.571377] random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) 2018/05/24 03:17:02 parsed 1 programs 2018/05/24 03:17:02 executed programs: 0 [ 30.083444] IPVS: Creating netns size=2552 id=1 [ 30.257405] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.273347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.354596] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.369218] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 30.450316] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 30.464635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 30.481899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.498553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.254261] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.294642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.632973] nf_conntrack: automatic helper assignment is deprecated and it will be removed soon. Use the iptables CT target to attach helpers instead. [ 31.649892] ================================================================== [ 31.657452] BUG: KASAN: slab-out-of-bounds in get_tpkt_data+0x926/0xa10 [ 31.664180] Write of size 2 at addr ffff8800ae6bfc62 by task syz-executor0/4186 [ 31.671594] [ 31.673194] CPU: 0 PID: 4186 Comm: syz-executor0 Not tainted 4.4.132-gc3c51ea #45 [ 31.680785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.690114] 0000000000000000 904bfa26e4b8567e ffff8801db206cb0 ffffffff81e0df8d [ 31.698111] ffffea0002b9afc0 ffff8800ae6bfc62 0000000000000001 ffff8800ae6bfc62 [ 31.706116] ffff8801d80ddbb8 ffff8801db206ce8 ffffffff8151526c ffff8800ae6bfc62 [ 31.714099] Call Trace: [ 31.716652] [] dump_stack+0xc1/0x124 [ 31.722717] [] print_address_description+0x6c/0x216 [ 31.729364] [] kasan_report.cold.7+0x175/0x2f7 [ 31.735577] [] ? get_tpkt_data+0x926/0xa10 [ 31.741432] [] __asan_report_store2_noabort+0x17/0x20 [ 31.748278] [] get_tpkt_data+0x926/0xa10 [ 31.753973] [] ? process_h245+0x4e0/0x4e0 [ 31.759778] [] q931_help+0x1a8/0x1020 [ 31.765288] [] ? trace_hardirqs_on+0xd/0x10 [ 31.771230] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 31.777539] [] ? h245_help+0x230/0x230 [ 31.783049] [] ? selinux_ip_postroute+0x4a1/0xab0 [ 31.789519] [] ? selinux_ip_postroute_compat+0x390/0x390 [ 31.796597] [] ? ipv6_skip_exthdr+0x332/0x5c0 [ 31.802727] [] ? ipv6_find_tlv+0x230/0x230 [ 31.808585] [] ? __lock_is_held+0xa2/0xf0 [ 31.814361] [] ipv6_helper+0x2de/0x3e0 [ 31.819869] [] ? ipv6_confirm+0x4c0/0x4c0 [ 31.825646] [] nf_iterate+0x182/0x210 [ 31.831066] [] nf_hook_slow+0x1b6/0x340 [ 31.836666] [] ? nf_iterate+0x210/0x210 [ 31.842273] [] ? nf_iterate+0x210/0x210 [ 31.847895] [] ? ip6table_filter_hook+0x65/0x80 [ 31.854197] [] ip6_output+0x28c/0x520 [ 31.859621] [] ? ip6_finish_output+0x760/0x760 [ 31.865829] [] ? nf_iterate+0x210/0x210 [ 31.871448] [] ? ip6_fragment+0x3510/0x3510 [ 31.877407] [] ip6_xmit+0xc7a/0x1a00 [ 31.882744] [] ? ip6_dst_lookup_tail+0x3b9/0x1460 [ 31.889208] [] ? ip6_finish_output2+0x1ca0/0x1ca0 [ 31.895673] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 31.901965] [] ? kasan_unpoison_shadow+0x35/0x50 [ 31.908341] [] ? kasan_kmalloc+0xc7/0xe0 [ 31.914024] [] ? __kmalloc_track_caller+0x253/0x2c0 [ 31.920662] [] ? ip6_append_data+0x2b0/0x2b0 [ 31.926691] [] ? ip6_dst_lookup_flow+0x1bf/0x2f0 [ 31.933081] [] ? make_kuid+0xf0/0x180 [ 31.938506] [] tcp_v6_send_response+0xbed/0x1550 [ 31.944882] [] ? tcp_v6_connect+0x1b70/0x1b70 [ 31.951003] [] ? tcp_parse_md5sig_option+0xbe/0x170 [ 31.957645] [] tcp_v6_send_reset+0x286/0x9d0 [ 31.963683] [] ? inet6_lookup_listener+0x6b1/0x980 [ 31.970242] [] ? tcp_v6_reqsk_send_ack+0x360/0x360 [ 31.976802] [] ? memmove+0x45/0x50 [ 31.981965] [] tcp_v6_rcv+0xb4e/0x2980 [ 31.987485] [] ? raw6_local_deliver+0x3d5/0x7d0 [ 31.993783] [] ip6_input_finish+0x32e/0x1550 [ 31.999815] [] ? ip6_rcv_finish+0x640/0x640 [ 32.005758] [] ip6_input+0xf6/0x200 [ 32.011005] [] ? ipv6_rcv+0x1cd0/0x1cd0 [ 32.016601] [] ? ip6_rcv_finish+0x640/0x640 [ 32.022543] [] ? nf_iterate+0x210/0x210 [ 32.028164] [] ip6_rcv_finish+0x13d/0x640 [ 32.033941] [] ipv6_rcv+0x10cb/0x1cd0 [ 32.039362] [] ? ipv6_rcv+0xf8/0x1cd0 [ 32.044783] [] ? ip6_input_finish+0x1550/0x1550 [ 32.051079] [] ? ip6_make_skb+0x400/0x400 [ 32.056855] [] ? ip6_input_finish+0x1550/0x1550 [ 32.063176] [] __netif_receive_skb_core+0x12d6/0x2940 [ 32.069986] [] ? dev_cpu_callback+0x660/0x660 [ 32.076102] [] ? debug_check_no_locks_freed+0x210/0x210 [ 32.083095] [] ? __lock_is_held+0xa2/0xf0 [ 32.088874] [] ? mark_held_locks+0xc7/0x130 [ 32.094818] [] __netif_receive_skb+0x5b/0x1b0 [ 32.100934] [] process_backlog+0x216/0x6a0 [ 32.106802] [] ? process_backlog+0x1b2/0x6a0 [ 32.112830] [] net_rx_action+0x3a2/0xdb0 [ 32.118510] [] ? napi_complete_done+0x1f0/0x1f0 [ 32.124807] [] ? __lock_is_held+0xa2/0xf0 [ 32.130597] [] __do_softirq+0x22c/0xa1a [ 32.136205] [] ? ip6_finish_output2+0x93d/0x1ca0 [ 32.142584] [] do_softirq_own_stack+0x1c/0x30 [ 32.148700] [] do_softirq.part.16+0x54/0x60 [ 32.155387] [] __local_bh_enable_ip+0xc6/0xd0 [ 32.161506] [] ip6_finish_output2+0x970/0x1ca0 [ 32.167718] [] ? ip6_finish_output2+0x1d5/0x1ca0 [ 32.174113] [] ? ip6_sk_dst_lookup_flow+0x580/0x580 [ 32.180753] [] ? __lock_is_held+0xa2/0xf0 [ 32.186521] [] ip6_finish_output+0x3b8/0x760 [ 32.192553] [] ip6_output+0x1b8/0x520 [ 32.197986] [] ? ip6_finish_output+0x760/0x760 [ 32.204188] [] ? nf_iterate+0x210/0x210 [ 32.209791] [] ? ip6_fragment+0x3510/0x3510 [ 32.215735] [] ip6_xmit+0xc7a/0x1a00 [ 32.221069] [] ? ip6_finish_output2+0x1ca0/0x1ca0 [ 32.227532] [] ? rt6_check+0x166/0x240 [ 32.233037] [] ? ip6_pkt_prohibit_out+0x180/0x180 [ 32.239504] [] ? ip6_append_data+0x2b0/0x2b0 [ 32.245544] [] ? __lock_is_held+0xa2/0xf0 [ 32.251323] [] inet6_csk_xmit+0x245/0x490 [ 32.257118] [] ? inet6_csk_xmit+0xff/0x490 [ 32.262978] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 32.269531] [] tcp_transmit_skb+0x1642/0x2bf0 [ 32.275647] [] ? __tcp_select_window+0x520/0x520 [ 32.282033] [] ? tcp_fastopen_cache_get+0x47f/0x650 [ 32.288689] [] ? sk_forced_mem_schedule+0xbc/0xe0 [ 32.295156] [] tcp_connect+0x1a01/0x2c60 [ 32.300849] [] ? tcp_push_one+0xe0/0xe0 [ 32.306456] [] ? prandom_u32_state+0x13/0x180 [ 32.312574] [] tcp_v6_connect+0x14ae/0x1b70 [ 32.318516] [] ? tcp_v6_connect+0xf44/0x1b70 [ 32.324546] [] ? sock_sendmsg+0xcc/0x110 [ 32.330230] [] ? tcp_v6_syn_recv_sock+0x1f20/0x1f20 [ 32.336871] [] ? dump_trace+0x184/0x360 [ 32.342468] [] ? save_stack_trace+0x26/0x50 [ 32.348416] [] __inet_stream_connect+0x2a9/0xc30 [ 32.354815] [] ? inet_dgram_connect+0x200/0x200 [ 32.361112] [] ? kasan_kmalloc+0xc7/0xe0 [ 32.366793] [] ? tcp_sendmsg+0x1671/0x2b20 [ 32.372649] [] ? kmem_cache_alloc_trace+0x104/0x2c0 [ 32.379299] [] tcp_sendmsg+0x1214/0x2b20 [ 32.384987] [] ? debug_check_no_locks_freed+0x210/0x210 [ 32.391978] [] ? tcp_sendpage+0x1840/0x1840 [ 32.397925] [] ? inet_sendmsg+0x143/0x4d0 [ 32.403696] [] inet_sendmsg+0x203/0x4d0 [ 32.409300] [] ? inet_sendmsg+0x73/0x4d0 [ 32.414994] [] ? inet_recvmsg+0x4c0/0x4c0 [ 32.420765] [] sock_sendmsg+0xcc/0x110 [ 32.426273] [] SYSC_sendto+0x21c/0x370 [ 32.431781] [] ? SYSC_connect+0x300/0x300 [ 32.437551] [] ? native_set_pte_at+0xe0/0xe0 [ 32.443578] [] ? do_huge_pmd_anonymous_page+0x737/0x9d0 [ 32.450575] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.456526] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 32.462655] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 32.469646] [] SyS_sendto+0x40/0x50 [ 32.474892] [] ? SyS_getpeername+0x30/0x30 [ 32.480753] [] do_fast_syscall_32+0x326/0x8b0 [ 32.486870] [] sysenter_flags_fixed+0xd/0x17 [ 32.492902] [ 32.494501] Allocated by task 4186: [ 32.498103] [] save_stack_trace+0x26/0x50 [ 32.503997] [] save_stack+0x43/0xd0 [ 32.509377] [] kasan_kmalloc+0xc7/0xe0 [ 32.515006] [] kasan_krealloc+0x64/0x80 [ 32.520728] [] __krealloc+0x8c/0xb0 [ 32.526094] [] __nf_ct_ext_add_length+0x223/0xb50 [ 32.532678] [] __nf_ct_try_assign_helper+0x30f/0x850 [ 32.539526] [] init_conntrack+0x728/0xd40 [ 32.545422] [] nf_conntrack_in+0xde9/0x1220 [ 32.551515] [] ipv6_conntrack_local+0x95/0xf0 [ 32.557760] [] nf_iterate+0x182/0x210 [ 32.563299] [] nf_hook_slow+0x1b6/0x340 [ 32.569013] [] ip6_xmit+0xe8c/0x1a00 [ 32.574480] [] inet6_csk_xmit+0x245/0x490 [ 32.580378] [] tcp_transmit_skb+0x1642/0x2bf0 [ 32.586624] [] tcp_connect+0x1a01/0x2c60 [ 32.592432] [] tcp_v6_connect+0x14ae/0x1b70 [ 32.598504] [] __inet_stream_connect+0x2a9/0xc30 [ 32.605004] [] tcp_sendmsg+0x1214/0x2b20 [ 32.610811] [] inet_sendmsg+0x203/0x4d0 [ 32.616530] [] sock_sendmsg+0xcc/0x110 [ 32.622156] [] SYSC_sendto+0x21c/0x370 [ 32.627866] [] SyS_sendto+0x40/0x50 [ 32.633252] [] do_fast_syscall_32+0x326/0x8b0 [ 32.639495] [] sysenter_flags_fixed+0xd/0x17 [ 32.645642] [ 32.647241] Freed by task 2024: [ 32.650494] [] save_stack_trace+0x26/0x50 [ 32.656486] [] save_stack+0x43/0xd0 [ 32.661860] [] kasan_slab_free+0x72/0xc0 [ 32.667659] [] kfree+0xf4/0x310 [ 32.672681] [] kernfs_put_open_node.isra.3+0xa4/0xf0 [ 32.679531] [] kernfs_fop_release+0xc0/0x140 [ 32.685687] [] __fput+0x235/0x6f0 [ 32.690881] [] ____fput+0x15/0x20 [ 32.696074] [] task_work_run+0x10f/0x190 [ 32.701879] [] exit_to_usermode_loop+0x13d/0x160 [ 32.708374] [] syscall_return_slowpath+0x1b5/0x1f0 [ 32.715043] [] int_ret_from_sys_call+0x25/0xa3 [ 32.721364] [ 32.722972] The buggy address belongs to the object at ffff8800ae6bfc00 [ 32.722972] which belongs to the cache kmalloc-96 of size 96 [ 32.735427] The buggy address is located 2 bytes to the right of [ 32.735427] 96-byte region [ffff8800ae6bfc00, ffff8800ae6bfc60) [ 32.747529] The buggy address belongs to the page: [ 32.765009] ------------[ cut here ]------------ [ 32.769829] WARNING: CPU: 1 PID: -1368654848 at kernel/locking/lockdep.c:3123 __lock_acquire+0x23b8/0x5270() [ 32.779786] DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH) [ 32.785069] ------------[ cut here ]------------ [ 32.790150] WARNING: CPU: 1 PID: -1368654848 at include/linux/uaccess.h:15 __probe_kernel_read+0x1b9/0x200() [ 32.800099] Modules linked in: 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: 0x00000000014cb8ca 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-gc3c51ea (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #45 SMP PREEMPT Wed May 23 23:20:12 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 2455999898 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 [ 1.234123] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.235374] pid_max: default: 32768 minimum: 301 [ 1.236089] ACPI: Core revision 20150930 [ 1.683052] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.684373] Security Framework initialized [ 1.684944] SELinux: Initializing. [ 1.685600] AppArmor: AppArmor disabled by boot time parameter [ 1.686521] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.687492] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.691271] Initializing cgroup subsys io [ 1.691875] Initializing cgroup subsys freezer [ 1.692526] Initializing cgroup subsys hugetlb [ 1.693186] Initializing cgroup subsys debug [ 1.694037] CPU: Physical Processor ID: 0 [ 1.696018] mce: CPU supports 32 MCE banks [ 1.696825] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.697684] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.698631] Spectre V2 : Mitigation: Full generic retpoline [ 1.701676] Freeing SMP alternatives memory: 48K [ 1.711376] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.823417] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.824938] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.913697] x86: Booting SMP configuration: [ 1.914329] .... node #0, CPUs: #1 [ 1.915110] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.920123] x86: Booted up 1 node, 2 CPUs [ 1.920696] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.925167] devtmpfs: initialized [ 1.936190] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.937586] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.939277] xor: automatically using best checksumming function: [ 1.951510] kworker/u4:0 (21) used greatest stack depth: 27424 bytes left [ 2.033435] avx : 20300.000 MB/sec [ 2.034834] RTC time: 3:17:09, date: 05/24/18 [ 2.038075] NET: Registered protocol family 16 [ 2.039243] schedtune: init normalization constants... [ 2.040055] schedtune: no energy model data [ 2.040649] schedtune: disabled! [ 2.073642] cpuidle: using governor ladder [ 2.103462] cpuidle: using governor menu [ 2.104850] ACPI: bus type PCI registered [ 2.105431] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.108605] PCI: Using configuration type 1 for base access [ 2.368238] kworker/u4:0 (491) used greatest stack depth: 27024 bytes left [ 2.573395] raid6: sse2x1 gen() 4493 MB/s [ 2.743382] raid6: sse2x1 xor() 2534 MB/s [ 2.913372] raid6: sse2x2 gen() 6719 MB/s [ 3.083359] raid6: sse2x2 xor() 3796 MB/s [ 3.253342] raid6: sse2x4 gen() 9295 MB/s [ 3.423329] raid6: sse2x4 xor() 5194 MB/s [ 3.593315] raid6: avx2x1 gen() 8693 MB/s [ 3.763298] raid6: avx2x2 gen() 13781 MB/s [ 3.933286] raid6: avx2x4 gen() 17849 MB/s [ 3.933981] raid6: using algorithm avx2x4 gen() 17849 MB/s [ 3.934863] raid6: using avx2x2 recovery algorithm [ 3.936275] ACPI: Added _OSI(Module Device) [ 3.936953] ACPI: Added _OSI(Processor Device) [ 3.937564] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.938225] ACPI: Added _OSI(Processor Aggregator Device) [ 3.966668] ACPI: Executed 2 blocks of module-level executable AML code [ 4.962227] ACPI: Interpreter enabled [ 4.963601] ACPI: (supports S0 S3 S4 S5) [ 4.964205] ACPI: Using IOAPIC for interrupt routing [ 4.965506] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug