[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.667785] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.597461] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 25.068498] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 25.715319] random: sshd: uninitialized urandom read (32 bytes read, 53 bits of entropy available) [ 48.774852] random: sshd: uninitialized urandom read (32 bytes read, 65 bits of entropy available) Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. [ 54.261883] random: sshd: uninitialized urandom read (32 bytes read, 67 bits of entropy available) 2018/08/18 07:39:17 parsed 1 programs [ 55.762512] random: cc1: uninitialized urandom read (8 bytes read, 69 bits of entropy available) 2018/08/18 07:39:19 executed programs: 0 [ 57.040278] IPVS: Creating netns size=2552 id=1 [ 57.098402] IPVS: Creating netns size=2552 id=2 [ 57.146843] IPVS: Creating netns size=2552 id=3 [ 57.229830] IPVS: Creating netns size=2552 id=4 [ 57.352200] IPVS: Creating netns size=2552 id=5 [ 57.472207] IPVS: Creating netns size=2552 id=6 [ 57.715473] IPVS: Creating netns size=2552 id=7 [ 57.898483] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.945251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.011083] IPVS: Creating netns size=2552 id=8 [ 58.043794] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.143474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.273915] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.293742] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.381508] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.389784] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.504875] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.514140] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.594812] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.612893] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.724962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.791892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.862686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.881981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.919943] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.985517] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.993811] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.009884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.057505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.067453] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.115873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.128719] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.172869] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.354259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.413331] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.462872] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.479591] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.528135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.575166] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.587109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.602520] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.621450] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.666627] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.677101] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.709016] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.733661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.750024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.826991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.015360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.032756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.041394] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.074906] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 60.105748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.119859] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.128741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.154877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.217646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.282296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.485646] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.527538] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.555009] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 60.596691] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.619224] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.644221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.666856] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 60.737474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.803355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.866570] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.994970] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.048624] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.114494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.176198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.957471] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.991650] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.184932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.231767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.535178] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.577010] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.758301] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.810179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.840568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.958260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.228861] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.373481] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.434076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.595856] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.658424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.856532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/08/18 07:39:27 executed programs: 8 2018/08/18 07:39:32 executed programs: 188 2018/08/18 07:39:37 executed programs: 407 2018/08/18 07:39:42 executed programs: 631 2018/08/18 07:39:47 executed programs: 851 2018/08/18 07:39:52 executed programs: 1084 [ 92.636718] ================================================================== [ 92.644134] BUG: KASAN: use-after-free in l2tp_session_create+0xfd7/0x1030 [ 92.651138] Write of size 8 at addr ffff8800b16e4b50 by task syz-executor3/10775 [ 92.658656] [ 92.660273] CPU: 0 PID: 10775 Comm: syz-executor3 Not tainted 4.4.149-gf76bdbd #18 [ 92.667952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.677281] 0000000000000000 008d278f30e71043 ffff8801d67d7a30 ffffffff81e1440d [ 92.685278] ffffea0002c5b900 ffff8800b16e4b50 0000000000000001 ffff8800b16e4b50 [ 92.693295] ffff8801d4f39148 ffff8801d67d7a68 ffffffff81519a00 ffff8800b16e4b50 [ 92.701325] Call Trace: [ 92.703898] [] dump_stack+0xc1/0x124 [ 92.709239] [] print_address_description+0x6c/0x216 [ 92.715885] [] kasan_report.cold.7+0x175/0x2f7 [ 92.722092] [] ? l2tp_session_create+0xfd7/0x1030 [ 92.728564] [] __asan_report_store8_noabort+0x17/0x20 [ 92.735378] [] l2tp_session_create+0xfd7/0x1030 [ 92.741676] [] ? l2tp_session_create+0xadc/0x1030 [ 92.748178] [] pppol2tp_connect+0x10f0/0x1910 [ 92.754297] [] ? pppol2tp_recv+0x320/0x320 [ 92.760169] [] ? security_socket_connect+0x8f/0xc0 [ 92.766726] [] SYSC_connect+0x1b8/0x300 [ 92.772338] [] ? SYSC_bind+0x280/0x280 [ 92.777856] [] ? get_unused_fd_flags+0xd0/0xd0 [ 92.784073] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 92.791071] [] ? SyS_socket+0x121/0x1b0 [ 92.796682] [] ? move_addr_to_kernel+0x50/0x50 [ 92.802937] [] SyS_connect+0x24/0x30 [ 92.808281] [] ? SyS_accept+0x30/0x30 [ 92.813709] [] do_fast_syscall_32+0x324/0x8b0 [ 92.819834] [] sysenter_flags_fixed+0xd/0x1a [ 92.825873] [ 92.827486] Allocated by task 10775: [ 92.831171] [] save_stack_trace+0x26/0x50 [ 92.837080] [] save_stack+0x43/0xd0 [ 92.842461] [] kasan_kmalloc+0xc7/0xe0 [ 92.848103] [] __kmalloc+0x124/0x310 [ 92.853565] [] l2tp_session_create+0x39/0x1030 [ 92.859905] [] pppol2tp_connect+0x10f0/0x1910 [ 92.866149] [] SYSC_connect+0x1b8/0x300 [ 92.871876] [] SyS_connect+0x24/0x30 [ 92.877348] [] do_fast_syscall_32+0x324/0x8b0 [ 92.883590] [] sysenter_flags_fixed+0xd/0x1a [ 92.889760] [ 92.891377] Freed by task 10760: [ 92.894726] [] save_stack_trace+0x26/0x50 [ 92.900628] [] save_stack+0x43/0xd0 [ 92.906023] [] kasan_slab_free+0x72/0xc0 [ 92.911844] [] kfree+0xf4/0x310 [ 92.916877] [] l2tp_session_free+0x170/0x200 [ 92.923043] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 92.929472] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 92.935888] [] udpv6_destroy_sock+0xb1/0xd0 [ 92.942020] [] sk_common_release+0x6d/0x300 [ 92.948102] [] udp_lib_close+0x15/0x20 [ 92.953735] [] inet_release+0xff/0x1d0 [ 92.959369] [] inet6_release+0x50/0x70 [ 92.965001] [] sock_release+0x96/0x1c0 [ 92.970633] [] sock_close+0x16/0x20 [ 92.976012] [] __fput+0x235/0x6f0 [ 92.981216] [] ____fput+0x15/0x20 [ 92.986419] [] task_work_run+0x10f/0x190 [ 92.992241] [] exit_to_usermode_loop+0x13d/0x160 [ 92.998737] [] do_fast_syscall_32+0x61e/0x8b0 [ 93.004987] [] sysenter_flags_fixed+0xd/0x1a [ 93.011139] [ 93.012744] The buggy address belongs to the object at ffff8800b16e4a00 [ 93.012744] which belongs to the cache kmalloc-512 of size 512 [ 93.025377] The buggy address is located 336 bytes inside of [ 93.025377] 512-byte region [ffff8800b16e4a00, ffff8800b16e4c00) [ 93.037235] The buggy address belongs to the page: SeaBIOS (version 1.8.2-20180718_090847-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 0x000f2280: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b5026e input_len: 0x00000000014d044e output: 0x0000000001000000 output_len: 0x000000000400ba90 run_size: 0x0000000005755000 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 4.4.149-gf76bdbd (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #18 SMP PREEMPT Fri Aug 17 20:01:31 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 0x000f2300-0x000f230f] mapped at [ffff8800000f2300] [ 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 0x00000000000F22C0 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 2524312751 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 s134152 r8192 d29688 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: 6579080K/7863876K available (41793K kernel code, 6308K rwdata, 9068K rodata, 1868K init, 23696K bss, 1284796K 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 [ 1.124985] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.126188] pid_max: default: 32768 minimum: 301 [ 1.126906] ACPI: Core revision 20150930 [ 1.548154] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.549549] Security Framework initialized [ 1.550206] SELinux: Initializing. [ 1.550899] AppArmor: AppArmor disabled by boot time parameter [ 1.551868] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.552874] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.556640] Initializing cgroup subsys io [ 1.557262] Initializing cgroup subsys freezer [ 1.558001] Initializing cgroup subsys hugetlb [ 1.558674] Initializing cgroup subsys debug [ 1.559491] CPU: Physical Processor ID: 0 [ 1.560958] mce: CPU supports 32 MCE banks [ 1.561751] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.562641] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.563556] Spectre V2 : Mitigation: Full generic retpoline [ 1.564436] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.565677] Speculative Store Bypass: Vulnerable [ 1.569308] Freeing SMP alternatives memory: 48K [ 1.581876] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.694218] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.695862] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.784542] x86: Booting SMP configuration: [ 1.785363] .... node #0, CPUs: #1 [ 1.786275] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.791732] x86: Booted up 1 node, 2 CPUs [ 1.792483] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.796924] devtmpfs: initialized [ 1.807319] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.808891] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.810709] xor: automatically using best checksumming function: [ 1.823081] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.904263] avx : 24892.000 MB/sec [ 1.905644] RTC time: 7:40:00, date: 08/18/18 [ 1.908912] NET: Registered protocol family 16 [ 1.910094] schedtune: init normalization constants... [ 1.910934] schedtune: no energy model data [ 1.911651] schedtune: disabled! [ 1.916900] kworker/u4:0 (27) used greatest stack depth: 27520 bytes left [ 1.944639] cpuidle: using governor ladder [ 1.974350] cpuidle: using governor menu [ 1.975737] ACPI: bus type PCI registered [ 1.976304] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.979396] PCI: Using configuration type 1 for base access [ 1.991785] kworker/u4:0 (45) used greatest stack depth: 27424 bytes left [ 2.474302] raid6: sse2x1 gen() 4599 MB/s [ 2.644300] raid6: sse2x1 xor() 2200 MB/s [ 2.814298] raid6: sse2x2 gen() 7255 MB/s [ 2.984316] raid6: sse2x2 xor() 4185 MB/s [ 3.154319] raid6: sse2x4 gen() 9499 MB/s [ 3.324319] raid6: sse2x4 xor() 5573 MB/s [ 3.494327] raid6: avx2x1 gen() 9667 MB/s [ 3.664339] raid6: avx2x2 gen() 13735 MB/s [ 3.834356] raid6: avx2x4 gen() 18508 MB/s [ 3.835422] raid6: using algorithm avx2x4 gen() 18508 MB/s [ 3.836394] raid6: using avx2x2 recovery algorithm [ 3.837868] ACPI: Added _OSI(Module Device) [ 3.838730] ACPI: Added _OSI(Processor Device) [ 3.839433] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.840272] ACPI: Added _OSI(Processor Aggregator Device) [ 3.867452] ACPI: Executed 2 blocks of module-level executable AML code [ 4.798090] ACPI: Interpreter enabled [ 4.799194] ACPI: (supports S0 S3 S4 S5) [ 4.799778] ACPI: Using IOAPIC for interrupt routing [ 4.801027] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.060356] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.061553] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.063099] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.064214] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.093802] PCI host bridge to bus 0000:00 [ 6.094778] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.095894] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.097121] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.098447] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.100920] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.140696] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.225259] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.231934] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.238054] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.244173] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.248072] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)