[....] Starting OpenBSD Secure Shell server: sshd[ 19.868185] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.552041] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 24.984871] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 26.170668] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) [ 26.327506] random: sshd: uninitialized urandom read (32 bytes read, 127 bits of entropy available) [ 26.429214] random: nonblocking pool is initialized Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. [ 31.847437] IPVS: Creating netns size=2552 id=1 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 32.021612] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 32.035818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 32.117546] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.133206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 32.213373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 32.228764] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 32.245772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 32.264323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" [ 32.970973] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.007671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 33.261226] ================================================================== [ 33.268617] BUG: KASAN: slab-out-of-bounds in ip6_tnl_xmit2+0x2043/0x20d0 [ 33.275518] Read of size 16 at addr ffff8801d89f38b0 by task syz-executor112/3692 [ 33.283133] [ 33.284746] CPU: 0 PID: 3692 Comm: syz-executor112 Not tainted 4.4.132-gecf86dd #46 [ 33.292510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.301835] 0000000000000000 88f556a2e85637fe ffff8800b1c36c20 ffffffff81e0df8d [ 33.309825] ffffea0007627c00 ffff8801d89f38b0 0000000000000000 ffff8801d89f38b8 [ 33.317817] ffff8801ce46c400 ffff8800b1c36c58 ffffffff8151526c ffff8801d89f38b0 [ 33.325801] Call Trace: [ 33.328364] [] dump_stack+0xc1/0x124 [ 33.333703] [] print_address_description+0x6c/0x216 [ 33.340346] [] kasan_report.cold.7+0x175/0x2f7 [ 33.346561] [] ? ip6_tnl_xmit2+0x2043/0x20d0 [ 33.352594] [] __asan_report_load_n_noabort+0xf/0x20 [ 33.359319] [] ip6_tnl_xmit2+0x2043/0x20d0 [ 33.365177] [] ? dump_trace+0x184/0x360 [ 33.370778] [] ? ip6ip6_err+0x530/0x530 [ 33.376378] [] ? save_stack_trace+0x26/0x50 [ 33.382329] [] ? save_trace+0xe0/0x250 [ 33.387838] [] ? mark_lock+0x28f/0x1280 [ 33.393435] [] ? check_usage_forwards+0x2e0/0x2e0 [ 33.399913] [] ? make_kuid+0xf0/0x180 [ 33.405348] [] ip6_tnl_xmit+0x910/0xc60 [ 33.410945] [] ? ip6_tnl_xmit2+0x20d0/0x20d0 [ 33.416979] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.423963] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.430959] [] dev_hard_start_xmit+0x7b1/0x11c0 [ 33.437261] [] __dev_queue_xmit+0x16c0/0x1c80 [ 33.443380] [] ? __dev_queue_xmit+0x1d7/0x1c80 [ 33.449597] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 33.455891] [] ? netdev_pick_tx+0x2c0/0x2c0 [ 33.461838] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 33.468130] [] ? _raw_write_unlock_bh+0x30/0x40 [ 33.474419] [] ? __neigh_create+0x965/0x1b20 [ 33.480449] [] dev_queue_xmit+0x17/0x20 [ 33.486065] [] neigh_direct_output+0x15/0x20 [ 33.492098] [] ip_finish_output2+0x6ab/0x1110 [ 33.498221] [] ? ip_finish_output2+0x212/0x1110 [ 33.504509] [] ? nf_hook_slow+0x1db/0x340 [ 33.510277] [] ? ip_copy_metadata+0x700/0x700 [ 33.516392] [] ? nf_hook_slow+0x202/0x340 [ 33.522168] [] ip_finish_output+0x843/0xbc0 [ 33.528119] [] ip_output+0x219/0x4c0 [ 33.533453] [] ? ip_mc_output+0x980/0x980 [ 33.539220] [] ? ip_make_skb+0x116/0x210 [ 33.544903] [] ? ip_fragment.constprop.50+0x200/0x200 [ 33.551716] [] ? ip_flush_pending_frames+0x30/0x30 [ 33.558270] [] ip_local_out+0x9b/0x180 [ 33.563778] [] ip_send_skb+0x3c/0xc0 [ 33.569124] [] udp_send_skb+0x5c3/0xc60 [ 33.574728] [] udp_sendmsg+0x16ce/0x1bb0 [ 33.580412] [] ? ip_reply_glue_bits+0xc0/0xc0 [ 33.586530] [] ? udp4_lib_lookup+0x60/0x60 [ 33.592396] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.599390] [] ? __lock_acquire+0xa86/0x5270 [ 33.605424] [] udpv6_sendmsg+0x12cd/0x24c0 [ 33.611291] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.618290] [] ? __lock_acquire+0xa86/0x5270 [ 33.624323] [] ? trace_event_raw_event_irq_handler_exit+0x1b0/0x1e0 [ 33.632355] [] ? udp6_lib_lookup2+0x990/0x990 [ 33.638489] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.645474] [] ? sock_has_perm+0x1c1/0x400 [ 33.651349] [] ? sock_has_perm+0x29f/0x400 [ 33.657214] [] ? sock_has_perm+0x9f/0x400 [ 33.662984] [] ? inet_sendmsg+0x143/0x4d0 [ 33.668756] [] inet_sendmsg+0x203/0x4d0 [ 33.674351] [] ? inet_sendmsg+0x73/0x4d0 [ 33.680033] [] ? inet_recvmsg+0x4c0/0x4c0 [ 33.685805] [] sock_sendmsg+0xcc/0x110 [ 33.691322] [] ___sys_sendmsg+0x441/0x880 [ 33.697111] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.703671] [] ? debug_check_no_locks_freed+0x210/0x210 [ 33.710666] [] ? check_preemption_disabled+0x3b/0x170 [ 33.717480] [] ? prandom_u32_state+0x13/0x180 [ 33.723594] [] ? prandom_u32+0x71/0xa0 [ 33.729112] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 33.735843] [] ? __fget_light+0x9f/0x1f0 [ 33.741526] [] ? __fdget+0x18/0x20 [ 33.746688] [] __sys_sendmmsg+0x12e/0x2e0 [ 33.752456] [] ? SyS_sendmsg+0x50/0x50 [ 33.757968] [] ? ip6_datagram_connect+0x3a/0x50 [ 33.764262] [] ? inet_dgram_connect+0x11e/0x200 [ 33.770551] [] ? SYSC_connect+0x22a/0x300 [ 33.776325] [] ? SYSC_bind+0x280/0x280 [ 33.781840] [] ? sock_map_fd+0x53/0x70 [ 33.787349] [] ? SyS_socket+0x121/0x1b0 [ 33.792955] [] ? move_addr_to_kernel+0x50/0x50 [ 33.799158] [] SyS_sendmmsg+0x35/0x60 [ 33.804581] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 33.811129] [ 33.812728] Allocated by task 3692: [ 33.816325] [] save_stack_trace+0x26/0x50 [ 33.822216] [] save_stack+0x43/0xd0 [ 33.827590] [] kasan_kmalloc+0xc7/0xe0 [ 33.833219] [] __kmalloc+0x124/0x310 [ 33.838688] [] __neigh_create+0x1d6/0x1b20 [ 33.844665] [] ipv4_neigh_lookup+0x4dd/0x700 [ 33.850812] [] ip6_tnl_xmit2+0x613/0x20d0 [ 33.856702] [] ip6_tnl_xmit+0x910/0xc60 [ 33.862427] [] dev_hard_start_xmit+0x7b1/0x11c0 [ 33.868853] [] __dev_queue_xmit+0x16c0/0x1c80 [ 33.875085] [] dev_queue_xmit+0x17/0x20 [ 33.880800] [] neigh_direct_output+0x15/0x20 [ 33.886959] [] ip_finish_output2+0x6ab/0x1110 [ 33.893283] [] ip_finish_output+0x843/0xbc0 [ 33.899347] [] ip_output+0x219/0x4c0 [ 33.904800] [] ip_local_out+0x9b/0x180 [ 33.910438] [] ip_send_skb+0x3c/0xc0 [ 33.915891] [] udp_send_skb+0x5c3/0xc60 [ 33.921605] [] udp_sendmsg+0x16ce/0x1bb0 [ 33.927405] [] udpv6_sendmsg+0x12cd/0x24c0 [ 33.933390] [] inet_sendmsg+0x203/0x4d0 [ 33.939104] [] sock_sendmsg+0xcc/0x110 [ 33.944742] [] ___sys_sendmsg+0x441/0x880 [ 33.950643] [] __sys_sendmmsg+0x12e/0x2e0 [ 33.956546] [] SyS_sendmmsg+0x35/0x60 [ 33.962082] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 33.969410] [ 33.971010] Freed by task 0: [ 33.973996] (stack is not available) [ 33.977678] [ 33.979278] The buggy address belongs to the object at ffff8801d89f3600 [ 33.979278] which belongs to the cache kmalloc-1024 of size 1024 [ 33.992077] The buggy address is located 688 bytes inside of [ 33.992077] 1024-byte region [ffff8801d89f3600, ffff8801d89f3a00) [ 34.004005] The buggy address belongs to the page: [ 34.166598] BUG: unable to handle kernel paging request at ffffffffffffff0a [ 34.174033] IP: [] addrconf_dad_completed+0x23a/0x880 [ 34.180928] PGD 440f067 PUD 4411067 PMD 0 [ 34.185571] Oops: 0000 [#1] PREEMPT SMP KASAN [ 34.190585] Dumping ftrace buffer: [ 34.194117] (ftrace buffer empty) [ 34.197824] Modules linked in: [ 34.201165] CPU: 1 PID: 179 Comm: kworker/1:1 Not tainted 4.4.132-gecf86dd #46 [ 34.208516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.217880] Workqueue: ipv6_addrconf addrconf_dad_work [ 34.223290] task: ffff8800bb908000 task.stack: ffff8800bb928000 [ 34.229339] RIP: 0010:[] [] addrconf_dad_completed+0x23a/0x880 [ 34.238679] RSP: 0018:ffff8800bb92fad0 EFLAGS: 00010246 [ 34.244134] RAX: 0000000000000003 RBX: ffff8800bb137900 RCX: dffffc0000000000 [ 34.251405] RDX: 0000000000000000 RSI: ffffffff8344dbda RDI: ffffffffffffff0a [ 34.258678] RBP: ffff8800bb92fb80 R08: ffffffff85353420 R09: 0000000000000000 [ 34.265960] R10: 0000000000000001 R11: ffff8800bb908000 R12: fffffffffffffea8 [ 34.273232] R13: ffff8801d6d32a80 R14: ffff8800bb137a38 R15: 0000000000000000 [ 34.280506] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 34.288735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.294620] CR2: ffffffffffffff0a CR3: 000000000440c000 CR4: 00000000001606f0 [ 34.301897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.309177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.316443] Stack: [ 34.318589] ffffffff8122e2a7 ffff8801d6d32a88 ffff8800b2439100 1ffff10017725f5e [ 34.326660] 0000000041b58ab3 ffffffff8424135a ffffffff8344d930 ffff8800bb137900 [ 34.334726] 0000000000000000 ffff8800bb92fb38 ffffffff8122e69b 0000000000000201 [ 34.342781] Call Trace: [ 34.345367] [] ? mark_held_locks+0xc7/0x130 [ 34.351346] [] ? ipv6_ifa_notify+0x1c0/0x1c0 [ 34.357419] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.364293] [] ? addrconf_dad_work+0x7bc/0xa80 [ 34.370534] [] ? trace_hardirqs_on+0xd/0x10 [ 34.376518] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 34.382844] [] addrconf_dad_work+0x7c4/0xa80 [ 34.388910] [] ? addrconf_dad_stop+0x270/0x270 [ 34.395154] [] ? __lock_is_held+0xa2/0xf0 [ 34.400954] [] process_one_work+0x7df/0x1600 [ 34.407018] [] ? process_one_work+0x6fa/0x1600 [ 34.413254] [] ? cancel_delayed_work_sync+0x20/0x20 [ 34.419921] [] worker_thread+0xd9/0xfc0 [ 34.425559] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 34.432664] [] kthread+0x268/0x300 [ 34.437863] [] ? process_one_work+0x1600/0x1600 [ 34.444305] [] ? kthread_create_on_node+0x400/0x400 [ 34.451004] [] ? kthread_create_on_node+0x400/0x400 [ 34.457702] [] ret_from_fork+0x55/0x80 [ 34.463246] [] ? kthread_create_on_node+0x400/0x400 [ 34.469899] Code: 62 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 a7 05 00 00 <45> 0f b7 bf 0a ff ff ff 66 41 83 ff 20 0f 87 9a 00 00 00 e8 5e [ 34.497643] RIP [] addrconf_dad_completed+0x23a/0x880 [ 34.504613] RSP [ 34.508227] CR2: ffffffffffffff0a [ 34.511764] ---[ end trace 5b771efa00acc3f6 ]--- [ 34.516512] 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: 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: 0x00000000014cb8e0 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) ) #46 SMP PREEMPT Wed May 23 06:07:50 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 2191427438 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 [ 1.180696] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.181933] pid_max: default: 32768 minimum: 301 [ 1.182665] ACPI: Core revision 20150930 [ 1.607149] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.608459] Security Framework initialized [ 1.609050] SELinux: Initializing. [ 1.609736] AppArmor: AppArmor disabled by boot time parameter [ 1.610771] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.611699] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.615353] Initializing cgroup subsys io [ 1.616022] Initializing cgroup subsys freezer [ 1.616758] Initializing cgroup subsys hugetlb [ 1.617397] Initializing cgroup subsys debug [ 1.618160] CPU: Physical Processor ID: 0 [ 1.619940] mce: CPU supports 32 MCE banks [ 1.620767] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.621615] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.622582] Spectre V2 : Mitigation: Full generic retpoline [ 1.625671] Freeing SMP alternatives memory: 48K [ 1.635730] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.750003] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.751541] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.840319] x86: Booting SMP configuration: [ 1.841055] .... node #0, CPUs: #1 [ 1.841852] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.846602] x86: Booted up 1 node, 2 CPUs [ 1.847605] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.851743] devtmpfs: initialized [ 1.862090] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.863626] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.866149] xor: automatically using best checksumming function: [ 1.877830] kworker/u4:0 (21) used greatest stack depth: 27424 bytes left [ 1.959966] avx : 21617.600 MB/sec [ 1.961283] RTC time: 11:29:09, date: 05/23/18 [ 1.964630] NET: Registered protocol family 16 [ 1.965844] schedtune: init normalization constants... [ 1.966606] schedtune: no energy model data [ 1.967218] schedtune: disabled! [ 2.000203] cpuidle: using governor ladder [ 2.030034] cpuidle: using governor menu [ 2.031399] ACPI: bus type PCI registered [ 2.032011] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.035132] PCI: Using configuration type 1 for base access [ 2.479876] raid6: sse2x1 gen() 4661 MB/s [ 2.649795] raid6: sse2x1 xor() 2644 MB/s [ 2.819757] raid6: sse2x2 gen() 7578 MB/s [ 2.989702] raid6: sse2x2 xor() 4279 MB/s [ 3.159663] raid6: sse2x4 gen() 9913 MB/s [ 3.329624] raid6: sse2x4 xor() 5753 MB/s [ 3.499581] raid6: avx2x1 gen() 9456 MB/s [ 3.669530] raid6: avx2x2 gen() 14718 MB/s [ 3.839492] raid6: avx2x4 gen() 19344 MB/s [ 3.840305] raid6: using algorithm avx2x4 gen() 19344 MB/s [ 3.841065] raid6: using avx2x2 recovery algorithm [ 3.842428] ACPI: Added _OSI(Module Device) [ 3.843176] ACPI: Added _OSI(Processor Device) [ 3.843823] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.844488] ACPI: Added _OSI(Processor Aggregator Device) [ 3.871764] ACPI: Executed 2 blocks of module-level executable AML code [ 4.820496] ACPI: Interpreter enabled [ 4.821475] ACPI: (supports S0 S3 S4 S5) [ 4.822059] ACPI: Using IOAPIC for interrupt routing [ 4.823253] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug