[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 22.065196] 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: [ 28.041451] random: sshd: uninitialized urandom read (32 bytes read, 41 bits of entropy available) [ 28.428465] random: sshd: uninitialized urandom read (32 bytes read, 41 bits of entropy available) [ 29.168925] random: sshd: uninitialized urandom read (32 bytes read, 75 bits of entropy available) [ 29.328641] random: sshd: uninitialized urandom read (32 bytes read, 77 bits of entropy available) Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. [ 34.917791] random: sshd: uninitialized urandom read (32 bytes read, 82 bits of entropy available) 2018/08/16 14:39:05 parsed 1 programs [ 36.487930] random: cc1: uninitialized urandom read (8 bytes read, 84 bits of entropy available) 2018/08/16 14:39:08 executed programs: 0 [ 37.929859] IPVS: Creating netns size=2552 id=1 [ 38.028945] IPVS: Creating netns size=2552 id=2 [ 38.095812] IPVS: Creating netns size=2552 id=3 [ 38.179727] IPVS: Creating netns size=2552 id=4 [ 38.324980] IPVS: Creating netns size=2552 id=5 [ 38.483489] IPVS: Creating netns size=2552 id=6 [ 38.652588] IPVS: Creating netns size=2552 id=7 [ 38.777687] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.841244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 38.970641] IPVS: Creating netns size=2552 id=8 [ 39.106436] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.185882] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.249840] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.347156] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.356830] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.472168] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.541967] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.589781] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 39.633894] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.744284] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.861732] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 39.871196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.949024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 39.983826] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.111386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.122631] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.166855] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.200270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.209229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.255267] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.264667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.282456] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.317322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.386782] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.396655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.410965] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.454358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.499324] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.513431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.529760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.547079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.648271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.712717] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.721571] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.844329] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.854807] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.898191] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.966303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.985422] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.996113] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.006667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.029795] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.037970] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.103257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.301294] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.316822] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.362004] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.406941] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.446858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.459729] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.473921] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.491676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.549492] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.569017] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.643434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.651779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.704557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.712628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.818266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.919582] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.002660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.052394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.151736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.387795] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.432036] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.636152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.732446] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.930996] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.975390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.185566] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.197737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.333275] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.449803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.532509] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.559371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.711021] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.787568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.960486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/08/16 14:39:16 executed programs: 8 2018/08/16 14:39:21 executed programs: 176 [ 51.984829] ================================================================== [ 51.992236] BUG: KASAN: use-after-free in __lock_acquire+0x3c66/0x5270 [ 51.998898] Read of size 8 at addr ffff8801ce3e0920 by task syz-executor3/6727 [ 52.006242] [ 52.007862] CPU: 0 PID: 6727 Comm: syz-executor3 Not tainted 4.4.148-gf057ff9 #17 [ 52.015470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.025126] 0000000000000000 a409d6145fa0fa2e ffff8801d188fa30 ffffffff81e1448d [ 52.033184] ffffea000738f800 ffff8801ce3e0920 0000000000000000 ffff8801ce3e0920 [ 52.041239] 0000000000000000 ffff8801d188fa68 ffffffff81519871 ffff8801ce3e0920 [ 52.049310] Call Trace: [ 52.051894] [] dump_stack+0xc1/0x124 [ 52.057250] [] print_address_description+0x6c/0x216 [ 52.063907] [] kasan_report.cold.7+0x175/0x2f7 [ 52.070133] [] ? __lock_acquire+0x3c66/0x5270 [ 52.076277] [] __asan_report_load8_noabort+0x14/0x20 [ 52.083037] [] __lock_acquire+0x3c66/0x5270 [ 52.089007] [] ? dput+0x1f/0x30 [ 52.093927] [] ? __fput+0x401/0x6f0 [ 52.099191] [] ? ____fput+0x15/0x20 [ 52.104476] [] ? task_work_run+0x10f/0x190 [ 52.110361] [] ? exit_to_usermode_loop+0x13d/0x160 [ 52.116935] [] ? __lock_acquire+0xa86/0x5270 [ 52.122990] [] ? debug_check_no_locks_freed+0x210/0x210 [ 52.130009] [] ? debug_check_no_locks_freed+0x210/0x210 [ 52.137023] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 52.143859] [] lock_acquire+0x15e/0x450 [ 52.149482] [] ? lock_sock_nested+0x43/0x120 [ 52.155540] [] ? get_parent_ip+0xd/0x50 [ 52.161159] [] ? sock_release+0x1c0/0x1c0 [ 52.166956] [] _raw_spin_lock_bh+0x3a/0x50 [ 52.172832] [] ? lock_sock_nested+0x43/0x120 [ 52.178903] [] lock_sock_nested+0x43/0x120 [ 52.184799] [] pppol2tp_release+0x50/0x310 [ 52.190681] [] sock_release+0x96/0x1c0 [ 52.196215] [] sock_close+0x16/0x20 [ 52.201482] [] __fput+0x235/0x6f0 [ 52.206570] [] ____fput+0x15/0x20 [ 52.211660] [] task_work_run+0x10f/0x190 [ 52.217353] [] exit_to_usermode_loop+0x13d/0x160 [ 52.223747] [] do_fast_syscall_32+0x61e/0x8b0 [ 52.229880] [] sysenter_flags_fixed+0xd/0x1a [ 52.235918] [ 52.237525] Allocated by task 6745: [ 52.241128] [] save_stack_trace+0x26/0x50 [ 52.247043] [] save_stack+0x43/0xd0 [ 52.252419] [] kasan_kmalloc+0xc7/0xe0 [ 52.258068] [] __kmalloc+0x124/0x310 [ 52.263555] [] sk_prot_alloc+0x204/0x300 [ 52.269385] [] sk_alloc+0x3a/0x3a0 [ 52.274693] [] pppol2tp_create+0x33/0x1f0 [ 52.280589] [] pppox_create+0xf6/0x200 [ 52.286264] [] __sock_create+0x2f0/0x5f0 [ 52.292074] [] SyS_socket+0xf0/0x1b0 [ 52.297600] [] do_fast_syscall_32+0x324/0x8b0 [ 52.303850] [] sysenter_flags_fixed+0xd/0x1a [ 52.310034] [ 52.311639] Freed by task 6727: [ 52.314894] [] save_stack_trace+0x26/0x50 [ 52.320817] [] save_stack+0x43/0xd0 [ 52.326202] [] kasan_slab_free+0x72/0xc0 [ 52.332006] [] kfree+0xf4/0x310 [ 52.337040] [] sk_destruct+0x407/0x4c0 [ 52.342723] [] __sk_free+0x4f/0x220 [ 52.348107] [] sk_free+0x30/0x40 [ 52.353244] [] pppol2tp_session_sock_put+0x5f/0x70 [ 52.359928] [] l2tp_tunnel_closeall+0x23c/0x350 [ 52.366363] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 52.372795] [] udpv6_destroy_sock+0xb1/0xd0 [ 52.378902] [] sk_common_release+0x6d/0x300 [ 52.384977] [] udp_lib_close+0x15/0x20 [ 52.390623] [] inet_release+0xff/0x1d0 [ 52.396264] [] inet6_release+0x50/0x70 [ 52.401920] [] sock_release+0x96/0x1c0 [ 52.407583] [] sock_close+0x16/0x20 [ 52.412961] [] __fput+0x235/0x6f0 [ 52.418186] [] ____fput+0x15/0x20 [ 52.423415] [] task_work_run+0x10f/0x190 [ 52.429302] [] exit_to_usermode_loop+0x13d/0x160 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: 0x00000000014cff3e 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 4.4.148-gf057ff9 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #17 SMP PREEMPT Wed Aug 15 16:59:18 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 2084409748 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 2299.998 MHz processor [ 1.135239] Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980) [ 1.136542] pid_max: default: 32768 minimum: 301 [ 1.137351] ACPI: Core revision 20150930 [ 1.576531] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.577851] Security Framework initialized [ 1.578518] SELinux: Initializing. [ 1.579191] AppArmor: AppArmor disabled by boot time parameter [ 1.580230] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.581237] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.585201] Initializing cgroup subsys io [ 1.585818] Initializing cgroup subsys freezer [ 1.586568] Initializing cgroup subsys hugetlb [ 1.587329] Initializing cgroup subsys debug [ 1.588127] CPU: Physical Processor ID: 0 [ 1.589754] mce: CPU supports 32 MCE banks [ 1.590568] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.591567] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.592476] Spectre V2 : Mitigation: Full generic retpoline [ 1.593232] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.594506] Speculative Store Bypass: Vulnerable [ 1.598520] Freeing SMP alternatives memory: 48K [ 1.609672] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.724419] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.726061] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.814708] x86: Booting SMP configuration: [ 1.815348] .... node #0, CPUs: #1 [ 1.816180] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.821040] x86: Booted up 1 node, 2 CPUs [ 1.821697] smpboot: Total of 2 processors activated (9199.99 BogoMIPS) [ 1.825982] devtmpfs: initialized [ 1.836632] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.838026] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.839833] xor: automatically using best checksumming function: [ 1.852211] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.934455] avx : 24831.200 MB/sec [ 1.935713] RTC time: 14:39:27, date: 08/16/18 [ 1.938971] NET: Registered protocol family 16 [ 1.940163] schedtune: init normalization constants... [ 1.940955] schedtune: no energy model data [ 1.941655] schedtune: disabled! [ 1.971181] cpuidle: using governor ladder [ 2.000941] cpuidle: using governor menu [ 2.002227] ACPI: bus type PCI registered [ 2.002854] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.006064] PCI: Using configuration type 1 for base access [ 2.018440] kworker/u4:0 (39) used greatest stack depth: 27424 bytes left [ 2.211486] kworker/u4:2 (354) used greatest stack depth: 27024 bytes left [ 2.504497] raid6: sse2x1 gen() 4447 MB/s [ 2.674505] raid6: sse2x1 xor() 2356 MB/s [ 2.844498] raid6: sse2x2 gen() 6877 MB/s [ 3.014506] raid6: sse2x2 xor() 3912 MB/s [ 3.184522] raid6: sse2x4 gen() 8771 MB/s [ 3.354525] raid6: sse2x4 xor() 5339 MB/s [ 3.524526] raid6: avx2x1 gen() 8619 MB/s [ 3.694539] raid6: avx2x2 gen() 12800 MB/s [ 3.864556] raid6: avx2x4 gen() 16431 MB/s [ 3.865326] raid6: using algorithm avx2x4 gen() 16431 MB/s [ 3.866118] raid6: using avx2x2 recovery algorithm [ 3.867647] ACPI: Added _OSI(Module Device) [ 3.868316] ACPI: Added _OSI(Processor Device) [ 3.869013] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.869701] ACPI: Added _OSI(Processor Aggregator Device) [ 3.897355] ACPI: Executed 2 blocks of module-level executable AML code [ 4.848045] ACPI: Interpreter enabled [ 4.849122] ACPI: (supports S0 S3 S4 S5) [ 4.849763] ACPI: Using IOAPIC for interrupt routing [ 4.851063] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.140503] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.141668] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.143190] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.144319] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.173813] PCI host bridge to bus 0000:00 [ 6.174558] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.175740] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.176792] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.177871] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.178966] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.217030] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.296724] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.302859] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.308986] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.314963] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.318618] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.926605] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.930639] vgaarb: loaded [ 6.934723] SCSI subsystem initialized [ 6.946906] ACPI: bus type USB registered [ 6.949083] usbcore: registered new interface driver usbfs [ 6.950632] usbcore: registered new interface driver hub [ 6.951895] usbcore: registered new device driver usb [ 6.954180] pps_core: LinuxPPS API ver. 1 registered [ 6.955749] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.957370] PTP clock support registered [ 6.971802] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.972850] dmi: Firmware registration failed. [ 6.974454] Advanced Linux Sound Architecture Driver Initialized. [ 6.976255] PCI: Using ACPI for IRQ routing [ 6.986525] NetLabel: Initializing [ 6.987105] NetLabel: domain hash size = 128 [ 6.987726] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.988763] NetLabel: unlabeled traffic allowed by default [ 6.991610] amd_nb: Cannot enumerate AMD northbridges [ 6.992537] clocksource: Switched to clocksource kvm-clock