[....] 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[ 19.201756] random: sshd: uninitialized urandom read (32 bytes read, 30 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.512691] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 24.842278] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 25.777616] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. 2018/06/18 13:28:39 parsed 1 programs 2018/06/18 13:28:41 executed programs: 0 [ 53.669540] IPVS: Creating netns size=2552 id=1 [ 53.915208] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.932474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.013572] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.030330] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.111215] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.127261] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.143187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.159102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.386967] ip (3965) used greatest stack depth: 23184 bytes left [ 54.938599] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.980755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.399691] ================================================================== [ 57.407083] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xf4/0x100 [ 57.414334] Read of size 4 at addr ffff8801d4564280 by task syz-executor0/4516 [ 57.421659] [ 57.423260] CPU: 0 PID: 4516 Comm: syz-executor0 Not tainted 4.4.138-g07c0138 #60 [ 57.430849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.440172] 0000000000000000 3e48ae6aca096cc6 ffff8800b735f868 ffffffff81e0ed0d [ 57.448147] ffffea0007515900 ffff8801d4564280 0000000000000000 ffff8801d4564280 [ 57.456131] ffffffff82f1a2b0 ffff8800b735f8a0 ffffffff81515a16 ffff8801d4564280 [ 57.464117] Call Trace: [ 57.466677] [] dump_stack+0xc1/0x124 [ 57.472012] [] ? sock_release+0x1c0/0x1c0 [ 57.477781] [] print_address_description+0x6c/0x216 [ 57.484415] [] ? sock_release+0x1c0/0x1c0 [ 57.490183] [] kasan_report.cold.7+0x175/0x2f7 [ 57.496382] [] ? l2tp_session_queue_purge+0xf4/0x100 [ 57.503118] [] __asan_report_load4_noabort+0x14/0x20 [ 57.509841] [] l2tp_session_queue_purge+0xf4/0x100 [ 57.516388] [] ? sock_release+0x1c0/0x1c0 [ 57.522156] [] pppol2tp_release+0x1ff/0x310 [ 57.528098] [] sock_release+0x96/0x1c0 [ 57.533607] [] sock_close+0x16/0x20 [ 57.538864] [] __fput+0x235/0x6f0 [ 57.543947] [] ____fput+0x15/0x20 [ 57.549022] [] task_work_run+0x10f/0x190 [ 57.554701] [] do_exit+0x9e5/0x26b0 [ 57.559959] [] ? release_task.part.17+0x1200/0x1200 [ 57.566594] [] ? recalc_sigpending+0x76/0xa0 [ 57.572623] [] do_group_exit+0x111/0x330 [ 57.578653] [] get_signal+0x4ec/0x14b0 [ 57.584163] [] ? __lock_is_held+0xa2/0xf0 [ 57.589934] [] do_signal+0x8b/0x1d30 [ 57.595270] [] ? __fd_install+0x255/0x600 [ 57.601040] [] ? get_unused_fd_flags+0xd0/0xd0 [ 57.607244] [] ? setup_sigcontext+0x780/0x780 [ 57.613366] [] ? get_unused_fd_flags+0xd0/0xd0 [ 57.619572] [] ? kernel_sock_shutdown+0x80/0x80 [ 57.625863] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 57.631988] [] ? fd_install+0x4d/0x60 [ 57.637411] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 57.644397] [] ? SyS_socket+0x121/0x1b0 [ 57.650004] [] ? exit_to_usermode_loop+0xe4/0x160 [ 57.656468] [] exit_to_usermode_loop+0x11a/0x160 [ 57.662843] [] do_fast_syscall_32+0x620/0x8b0 [ 57.668965] [] sysenter_flags_fixed+0xd/0x17 [ 57.674991] [ 57.676591] Allocated by task 4512: [ 57.680185] [] save_stack_trace+0x26/0x50 [ 57.686086] [] save_stack+0x43/0xd0 [ 57.691450] [] kasan_kmalloc+0xc7/0xe0 [ 57.697079] [] __kmalloc+0x124/0x310 [ 57.702528] [] l2tp_session_create+0x39/0x1030 [ 57.708847] [] pppol2tp_connect+0x10f0/0x1910 [ 57.715080] [] SYSC_connect+0x1b8/0x300 [ 57.720792] [] SyS_connect+0x24/0x30 [ 57.726243] [] do_fast_syscall_32+0x326/0x8b0 [ 57.732473] [] sysenter_flags_fixed+0xd/0x17 [ 57.738624] [ 57.740223] Freed by task 4497: [ 57.743466] [] save_stack_trace+0x26/0x50 [ 57.749353] [] save_stack+0x43/0xd0 [ 57.754720] [] kasan_slab_free+0x72/0xc0 [ 57.760513] [] kfree+0xf4/0x310 [ 57.765527] [] l2tp_session_free+0x170/0x200 [ 57.771683] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 57.778096] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 57.784505] [] udpv6_destroy_sock+0xb1/0xd0 [ 57.790564] [] sk_common_release+0x6d/0x300 [ 57.796623] [] udp_lib_close+0x15/0x20 [ 57.802247] [] inet_release+0xff/0x1d0 [ 57.807872] [] inet6_release+0x50/0x70 [ 57.813506] [] sock_release+0x96/0x1c0 [ 57.819131] [] sock_close+0x16/0x20 [ 57.824494] [] __fput+0x235/0x6f0 [ 57.829685] [] ____fput+0x15/0x20 [ 57.834884] [] task_work_run+0x10f/0x190 [ 57.840691] [] do_exit+0x9e5/0x26b0 [ 57.846061] [] do_group_exit+0x111/0x330 [ 57.851866] [] SyS_exit_group+0x1d/0x20 [ 57.857577] [] do_fast_syscall_32+0x326/0x8b0 [ 57.863814] [] sysenter_flags_fixed+0xd/0x17 [ 57.869963] [ 57.871561] The buggy address belongs to the object at ffff8801d4564280 [ 57.871561] which belongs to the cache kmalloc-512 of size 512 [ 57.884193] The buggy address is located 0 bytes inside of [ 57.884193] 512-byte region [ffff8801d4564280, ffff8801d4564480) [ 57.895862] The buggy address belongs to the page: 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 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: 0x0000000003b5126e input_len: 0x00000000014cc02b 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 4.4.138-g07c0138 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #60 SMP PREEMPT Sat Jun 16 09:07:52 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] 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 1876448182 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 (41761K kernel code, 6302K 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 [ 1.198246] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.199416] pid_max: default: 32768 minimum: 301 [ 1.200125] ACPI: Core revision 20150930 [ 1.589787] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.591073] Security Framework initialized [ 1.591678] SELinux: Initializing. [ 1.592337] AppArmor: AppArmor disabled by boot time parameter [ 1.593243] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.594169] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.597718] Initializing cgroup subsys io [ 1.598331] Initializing cgroup subsys freezer [ 1.598976] Initializing cgroup subsys hugetlb [ 1.599612] Initializing cgroup subsys debug [ 1.600371] CPU: Physical Processor ID: 0 [ 1.602290] mce: CPU supports 32 MCE banks [ 1.603646] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.604528] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.605435] Spectre V2 : Mitigation: Full generic retpoline [ 1.608583] Freeing SMP alternatives memory: 48K [ 1.619098] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.737573] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.739175] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.827850] x86: Booting SMP configuration: [ 1.828508] .... node #0, CPUs: #1 [ 1.829286] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.834149] x86: Booted up 1 node, 2 CPUs [ 1.834799] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.839710] devtmpfs: initialized [ 1.849699] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.851113] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.852857] xor: automatically using best checksumming function: [ 1.865336] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.947588] avx : 23516.400 MB/sec [ 1.948830] RTC time: 13:28:50, date: 06/18/18 [ 1.951988] NET: Registered protocol family 16 [ 1.953113] schedtune: init normalization constants... [ 1.953815] schedtune: no energy model data [ 1.954409] schedtune: disabled! [ 1.958376] kworker/u4:0 (29) used greatest stack depth: 27616 bytes left [ 1.987938] cpuidle: using governor ladder [ 2.017650] cpuidle: using governor menu [ 2.018940] ACPI: bus type PCI registered [ 2.019522] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.022514] PCI: Using configuration type 1 for base access [ 2.030842] kworker/u4:1 (47) used greatest stack depth: 27424 bytes left [ 2.457600] raid6: sse2x1 gen() 4684 MB/s [ 2.627557] raid6: sse2x1 xor() 2581 MB/s [ 2.797534] raid6: sse2x2 gen() 7580 MB/s [ 2.967529] raid6: sse2x2 xor() 4303 MB/s [ 3.137516] raid6: sse2x4 gen() 9884 MB/s [ 3.307508] raid6: sse2x4 xor() 5721 MB/s [ 3.477491] raid6: avx2x1 gen() 9476 MB/s [ 3.647483] raid6: avx2x2 gen() 14705 MB/s [ 3.817479] raid6: avx2x4 gen() 19269 MB/s [ 3.818166] raid6: using algorithm avx2x4 gen() 19269 MB/s [ 3.818944] raid6: using avx2x2 recovery algorithm [ 3.820264] ACPI: Added _OSI(Module Device) [ 3.820948] ACPI: Added _OSI(Processor Device) [ 3.821560] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.822206] ACPI: Added _OSI(Processor Aggregator Device) [ 3.849357] ACPI: Executed 2 blocks of module-level executable AML code [ 4.735722] ACPI: Interpreter enabled [ 4.736654] ACPI: (supports S0 S3 S4 S5) [ 4.737220] ACPI: Using IOAPIC for interrupt routing [ 4.738342] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.921648] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.922663] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.924045] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.925047] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.952883] PCI host bridge to bus 0000:00 [ 5.953539] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.954483] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.955437] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.956464] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.957489] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.995081] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.081449] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.087976] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.094163] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.100224] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.103961] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.663410] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.667118] vgaarb: loaded [ 6.670463] SCSI subsystem initialized [ 6.679121] ACPI: bus type USB registered [ 6.681000] usbcore: registered new interface driver usbfs [ 6.682387] usbcore: registered new interface driver hub [ 6.683615] usbcore: registered new device driver usb [ 6.686537] pps_core: LinuxPPS API ver. 1 registered [ 6.687346] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.688820] PTP clock support registered [ 6.690671] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.691916] dmi: Firmware registration failed. [ 6.693409] Advanced Linux Sound Architecture Driver Initialized. [ 6.695044] PCI: Using ACPI for IRQ routing [ 6.707478] NetLabel: Initializing [ 6.707999] NetLabel: domain hash size = 128 [ 6.708598] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.709576] NetLabel: unlabeled traffic allowed by default [ 6.712056] amd_nb: Cannot enumerate AMD northbridges [ 6.712882] clocksource: Switched to clocksource kvm-clock [ 6.901960] pnp: PnP ACPI init [ 6.925399] pnp: PnP ACPI: found 7 devices [ 6.938858] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.940632] NET: Registered protocol family 2 [ 6.944109] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.945575] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.953921] TCP: Hash tables configured (established 65536 bind 65536) [ 6.955094] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.956729] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.960157] NET: Registered protocol family 1 [ 6.960910] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.962735] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.963785] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.965770] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.967029] hw unit of domain pp0-core 2^-0 Joules [ 6.967683] hw unit of domain package 2^-0 Joules [ 6.968388] hw unit of domain dram 2^-16 Joules [ 6.974480] Scanning for low memory corruption every 60 seconds [ 6.982916] audit: initializing netlink subsys (disabled) [ 6.983944] audit: type=2000 audit(1529328535.188:1): initialized [ 6.990897] Initialise system trusted keyring [ 6.993250] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 7.129479] VFS: Disk quotas dquot_6.6.0 [ 7.131098] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.154500] fuse init (API version 7.23) [ 7.158275] 9p: Installing v9fs 9p2000 file system support [ 7.187216] async_tx: api initialized (async) [ 7.189023] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.190309] io scheduler noop registered [ 7.190869] io scheduler deadline registered [ 7.193615] io scheduler cfq registered (default) [ 7.204221] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.208146] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.209503] ACPI: Power Button [PWRF] [ 7.211236] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.212476] ACPI: Sleep Button [SLPF] [ 7.237327] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.238307] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.261363] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.262260] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.269031] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.292023] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.317951] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.343217] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A