[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.178482] 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: [ 27.034715] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 27.473783] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 28.812669] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. 2018/07/31 11:00:44 parsed 1 programs 2018/07/31 11:00:47 executed programs: 0 [ 60.534248] IPVS: Creating netns size=2552 id=1 [ 60.591698] IPVS: Creating netns size=2552 id=2 [ 60.664672] IPVS: Creating netns size=2552 id=3 [ 60.724073] IPVS: Creating netns size=2552 id=4 [ 60.817991] IPVS: Creating netns size=2552 id=5 [ 60.914302] IPVS: Creating netns size=2552 id=6 [ 61.047132] IPVS: Creating netns size=2552 id=7 [ 61.055115] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.096420] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.204085] IPVS: Creating netns size=2552 id=8 [ 61.251845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.321627] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.391045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.494710] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.644508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.718843] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.728330] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.762986] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.811047] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.834864] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.877694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.958906] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.966345] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.985027] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.000016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.040624] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.049695] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.103196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.114903] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.143632] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 62.152243] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.165993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.201111] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 62.214230] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.285101] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 62.361408] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 62.448727] ip (4426) used greatest stack depth: 24064 bytes left [ 62.482705] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 62.545530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.554127] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 62.564885] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 62.626541] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.646961] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 62.715841] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 62.784120] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.795421] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 62.847240] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.886052] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.951472] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.968719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.981140] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 63.055353] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.067366] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 63.081342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.107367] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.130161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.144474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.154461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.185058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.206380] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 63.235586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.268869] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 63.284820] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 63.304667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.377742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 63.685839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 63.781991] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.836730] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 63.885893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.907804] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.930761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.980963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.067576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.006201] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.105107] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.270016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.382801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.798887] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.875434] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.913310] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.046123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.101172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.172010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.181835] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.412689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.605432] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.655915] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.840637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.880962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/07/31 11:00:55 executed programs: 8 [ 72.530896] ================================================================== [ 72.538308] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xf4/0x100 [ 72.545576] Read of size 4 at addr ffff8800b5784500 by task syz-executor2/7169 [ 72.552923] [ 72.554541] CPU: 0 PID: 7169 Comm: syz-executor2 Not tainted 4.4.141-g8ddb600 #12 [ 72.562144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.571492] 0000000000000000 90ae6cffe9a9afc5 ffff8801d22bfc78 ffffffff81e1002d [ 72.579523] ffffea0002d5e100 ffff8800b5784500 0000000000000000 ffff8800b5784500 [ 72.587583] ffffffff82f1c220 ffff8801d22bfcb0 ffffffff81515ae6 ffff8800b5784500 [ 72.595587] Call Trace: [ 72.598160] [] dump_stack+0xc1/0x124 [ 72.603503] [] ? sock_release+0x1c0/0x1c0 [ 72.609283] [] print_address_description+0x6c/0x216 [ 72.615945] [] ? sock_release+0x1c0/0x1c0 [ 72.621720] [] kasan_report.cold.7+0x175/0x2f7 [ 72.627934] [] ? l2tp_session_queue_purge+0xf4/0x100 [ 72.634667] [] __asan_report_load4_noabort+0x14/0x20 [ 72.641398] [] l2tp_session_queue_purge+0xf4/0x100 [ 72.647958] [] ? sock_release+0x1c0/0x1c0 [ 72.653733] [] pppol2tp_release+0x1ff/0x310 [ 72.659684] [] sock_release+0x96/0x1c0 [ 72.665201] [] sock_close+0x16/0x20 [ 72.670452] [] __fput+0x235/0x6f0 [ 72.675534] [] ____fput+0x15/0x20 [ 72.680618] [] task_work_run+0x10f/0x190 [ 72.686309] [] exit_to_usermode_loop+0x13d/0x160 [ 72.692692] [] do_fast_syscall_32+0x620/0x8b0 [ 72.698834] [] sysenter_flags_fixed+0xd/0x17 [ 72.704868] [ 72.706474] Allocated by task 7177: [ 72.710073] [] save_stack_trace+0x26/0x50 [ 72.715970] [] save_stack+0x43/0xd0 [ 72.721344] [] kasan_kmalloc+0xc7/0xe0 [ 72.726993] [] __kmalloc+0x124/0x310 [ 72.732460] [] l2tp_session_create+0x39/0x1030 [ 72.738800] [] pppol2tp_connect+0x10f0/0x1910 [ 72.745053] [] SYSC_connect+0x1b8/0x300 [ 72.750776] [] SyS_connect+0x24/0x30 [ 72.756251] [] do_fast_syscall_32+0x326/0x8b0 [ 72.762493] [] sysenter_flags_fixed+0xd/0x17 [ 72.768652] [ 72.770256] Freed by task 7177: [ 72.773504] [] save_stack_trace+0x26/0x50 [ 72.779399] [] save_stack+0x43/0xd0 [ 72.784787] [] kasan_slab_free+0x72/0xc0 [ 72.790622] [] kfree+0xf4/0x310 [ 72.795660] [] l2tp_session_free+0x170/0x200 [ 72.801844] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 72.808275] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 72.814712] [] udpv6_destroy_sock+0xb1/0xd0 [ 72.820779] [] sk_common_release+0x6d/0x300 [ 72.826858] [] udp_lib_close+0x15/0x20 [ 72.832504] [] inet_release+0xff/0x1d0 [ 72.838141] [] inet6_release+0x50/0x70 [ 72.843796] [] sock_release+0x96/0x1c0 [ 72.849441] [] sock_close+0x16/0x20 [ 72.854844] [] __fput+0x235/0x6f0 [ 72.860063] [] ____fput+0x15/0x20 [ 72.865293] [] task_work_run+0x10f/0x190 [ 72.871135] [] exit_to_usermode_loop+0x13d/0x160 [ 72.877665] [] do_fast_syscall_32+0x620/0x8b0 [ 72.884359] [] sysenter_flags_fixed+0xd/0x17 [ 72.890555] [ 72.892178] The buggy address belongs to the object at ffff8800b5784500 [ 72.892178] which belongs to the cache kmalloc-512 of size 512 [ 72.904828] The buggy address is located 0 bytes inside of [ 72.904828] 512-byte region [ffff8800b5784500, ffff8800b5784700) [ 72.916511] The buggy address belongs to the page: [ 72.923940] swap_dup: Bad swap file entry 20SeaBIOS (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: 0x0000000003b4f26e input_len: 0x00000000014cdd58 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-g8ddb600 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #12 SMP PREEMPT Tue Jul 31 00:57:48 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 1945274769 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 (41770K kernel code, 6303K rwdata, 9060K 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 [ 1.506498] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.508264] pid_max: default: 32768 minimum: 301 [ 1.509045] ACPI: Core revision 20150930 [ 1.936517] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.938780] Security Framework initialized [ 1.940388] SELinux: Initializing. [ 1.941447] AppArmor: AppArmor disabled by boot time parameter [ 1.943170] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.945808] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.951187] Initializing cgroup subsys io [ 1.952682] Initializing cgroup subsys freezer [ 1.953668] Initializing cgroup subsys hugetlb [ 1.954869] Initializing cgroup subsys debug [ 1.956227] CPU: Physical Processor ID: 0 [ 1.958812] mce: CPU supports 32 MCE banks [ 1.960148] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.961380] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.962943] Spectre V2 : Mitigation: Full generic retpoline [ 1.966864] Freeing SMP alternatives memory: 48K [ 1.977887] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.095587] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.098850] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.185924] x86: Booting SMP configuration: [ 2.188567] .... node #0, CPUs: #1 [ 2.189837] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 2.196190] x86: Booted up 1 node, 2 CPUs [ 2.198277] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.203588] devtmpfs: initialized [ 2.214529] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.218428] futex hash table entries: 512 (order: 4, 65536 bytes) [ 2.221106] xor: automatically using best checksumming function: [ 2.227417] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 2.315598] avx : 23737.600 MB/sec [ 2.317504] RTC time: 11:01:04, date: 07/31/18 [ 2.321448] NET: Registered protocol family 16 [ 2.323372] schedtune: init normalization constants... [ 2.324529] schedtune: no energy model data [ 2.325148] schedtune: disabled! [ 2.328861] kworker/u4:1 (26) used greatest stack depth: 27616 bytes left [ 2.356106] cpuidle: using governor ladder [ 2.386061] cpuidle: using governor menu [ 2.388258] ACPI: bus type PCI registered [ 2.389225] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.393390] PCI: Using configuration type 1 for base access [ 2.399036] kworker/u4:2 (40) used greatest stack depth: 27424 bytes left [ 2.855615] raid6: sse2x1 gen() 4555 MB/s [ 3.025592] raid6: sse2x1 xor() 2341 MB/s [ 3.195606] raid6: sse2x2 gen() 7230 MB/s [ 3.365577] raid6: sse2x2 xor() 3891 MB/s [ 3.535555] raid6: sse2x4 gen() 9711 MB/s [ 3.705537] raid6: sse2x4 xor() 5447 MB/s [ 3.875538] raid6: avx2x1 gen() 9163 MB/s [ 4.045529] raid6: avx2x2 gen() 14207 MB/s [ 4.215550] raid6: avx2x4 gen() 18059 MB/s [ 4.216532] raid6: using algorithm avx2x4 gen() 18059 MB/s [ 4.217698] raid6: using avx2x2 recovery algorithm [ 4.220111] ACPI: Added _OSI(Module Device) [ 4.221190] ACPI: Added _OSI(Processor Device) [ 4.221873] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.222720] ACPI: Added _OSI(Processor Aggregator Device) [ 4.250373] ACPI: Executed 2 blocks of module-level executable AML code [ 5.201555] ACPI: Interpreter enabled [ 5.203099] ACPI: (supports S0 S3 S4 S5) [ 5.203746] ACPI: Using IOAPIC for interrupt routing [ 5.205387] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.476952] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.478107] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.479961] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.481228] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.511467] PCI host bridge to bus 0000:00 [ 6.512552] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.513626] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.515104] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.517153] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.518866] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.570656] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.681768] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.690201] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.698025] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.706061] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.711801] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 7.313555] ACPI: Enabled 16 GPEs in block 00 to 0F [ 7.318023] vgaarb: loaded [ 7.322344] SCSI subsystem initialized [ 7.327379] ACPI: bus type USB registered [ 7.330085] usbcore: registered new interface driver usbfs [ 7.332211] usbcore: registered new interface driver hub [ 7.333923] usbcore: registered new device driver usb [ 7.337931] pps_core: LinuxPPS API ver. 1 registered [ 7.339293] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 7.341681] PTP clock support registered [ 7.344134] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 7.345641] dmi: Firmware registration failed. [ 7.347714] Advanced Linux Sound Architecture Driver Initialized. [ 7.349772] PCI: Using ACPI for IRQ routing