[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.429490] 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: [ 24.623977] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 25.112526] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 26.018120] random: sshd: uninitialized urandom read (32 bytes read, 94 bits of entropy available) [ 26.178854] random: sshd: uninitialized urandom read (32 bytes read, 98 bits of entropy available) Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. [ 31.578962] random: sshd: uninitialized urandom read (32 bytes read, 104 bits of entropy available) executing program [ 31.708360] ================================================================== [ 31.715740] BUG: KASAN: use-after-free in ip6_xmit+0x1a2c/0x1a70 [ 31.721870] Read of size 8 at addr ffff8801c9743298 by task syzkaller951150/3781 [ 31.729367] [ 31.730965] CPU: 0 PID: 3781 Comm: syzkaller951150 Not tainted 4.4.120-gd63fdf6 #28 [ 31.738724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.748046] 0000000000000000 3256dda66ee1cd22 ffff8800bb27f7e0 ffffffff81d0408d [ 31.756009] ffffea000725d0c0 ffff8801c9743298 0000000000000000 ffff8801c9743298 [ 31.763983] 0000000000000040 ffff8800bb27f818 ffffffff814fe143 ffff8801c9743298 [ 31.771945] Call Trace: [ 31.774509] [] dump_stack+0xc1/0x124 [ 31.779842] [] print_address_description+0x73/0x260 [ 31.786480] [] kasan_report+0x285/0x370 [ 31.792073] [] ? ip6_xmit+0x1a2c/0x1a70 [ 31.797663] [] __asan_report_load8_noabort+0x14/0x20 [ 31.804388] [] ip6_xmit+0x1a2c/0x1a70 [ 31.809804] [] ? kfree+0xfc/0x300 [ 31.814883] [] ? pskb_expand_head+0x28b/0x980 [ 31.821000] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 31.826857] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 31.833318] [] ? __lock_is_held+0xa1/0xf0 [ 31.839085] [] ? ipv4_dst_check+0x111/0x160 [ 31.845027] [] ? __sk_dst_check+0x148/0x260 [ 31.850965] [] inet6_csk_xmit+0x246/0x480 [ 31.856736] [] ? inet6_csk_xmit+0x100/0x480 [ 31.862675] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 31.869222] [] ? udp6_set_csum+0x336/0xa80 [ 31.875080] [] l2tp_xmit_skb+0xc2f/0xea0 [ 31.880763] [] pppol2tp_sendmsg+0x584/0x7f0 [ 31.886706] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 31.893167] [] ? pppol2tp_release+0x310/0x310 [ 31.899293] [] sock_sendmsg+0xca/0x110 [ 31.904798] [] SYSC_sendto+0x2c8/0x340 [ 31.910309] [] ? SYSC_connect+0x310/0x310 [ 31.916074] [] ? lock_sock_nested+0xdc/0x120 [ 31.922098] [] ? ip6_datagram_connect+0x3a/0x50 [ 31.928384] [] ? inet_dgram_connect+0x172/0x1f0 [ 31.934669] [] ? SYSC_connect+0x212/0x310 [ 31.941812] [] ? retint_user+0x18/0x3c [ 31.947316] [] SyS_sendto+0x40/0x50 [ 31.952562] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 31.959104] [ 31.960698] Allocated by task 3760: [ 31.964288] [] save_stack_trace+0x26/0x50 [ 31.970169] [] save_stack+0x43/0xd0 [ 31.975527] [] kasan_kmalloc+0xad/0xe0 [ 31.981146] [] kasan_slab_alloc+0x12/0x20 [ 31.987020] [] kmem_cache_alloc+0xba/0x290 [ 31.992988] [] dst_alloc+0x11f/0x1a0 [ 31.998435] [] rt_dst_alloc+0x78/0x430 [ 32.004056] [] __ip_route_output_key_hash+0xa4e/0x2390 [ 32.011063] [] __ip4_datagram_connect+0xa15/0x1150 [ 32.017726] [] __ip6_datagram_connect+0x4d9/0x1950 [ 32.024387] [] ip6_datagram_connect+0x2f/0x50 [ 32.030612] [] inet_dgram_connect+0x16b/0x1f0 [ 32.036840] [] SYSC_connect+0x1b6/0x310 [ 32.042544] [] SyS_connect+0x24/0x30 [ 32.047986] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 32.054642] [ 32.056237] Freed by task 3: [ 32.059220] [] save_stack_trace+0x26/0x50 [ 32.065103] [] save_stack+0x43/0xd0 [ 32.070461] [] kasan_slab_free+0x72/0xc0 [ 32.076251] [] kmem_cache_free+0xc7/0x320 [ 32.082125] [] dst_destroy+0x20e/0x330 [ 32.087739] [] dst_destroy_rcu+0x15/0x40 [ 32.093527] [] rcu_process_callbacks+0x7f4/0x14a0 [ 32.100099] [] __do_softirq+0x227/0xa38 [ 32.105808] [ 32.107412] The buggy address belongs to the object at ffff8801c9743280 [ 32.107412] which belongs to the cache ip_dst_cache of size 208 [ 32.120121] The buggy address is located 24 bytes inside of [ 32.120121] 208-byte region [ffff8801c9743280, ffff8801c9743350) [ 32.131878] The buggy address belongs to the page: [ 32.141019] ------------[ cut here ]------------ [ 32.145798] WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:263 debug_print_object+0x17d/0x220() [ 32.154458] ODEBUG: deactivate not available (active state 0) object type: hrtimer hint: tick_sched_timer+0x0/0x120 [ 32.165147] Kernel panic - not syncing: panic_on_warn set ... [ 32.165147] [ 32.172503] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.120-gd63fdf6 #28 [ 32.179499] Hardware name: Google Google Compute Engine/Google ComputSeaBIOS (version 1.8.2-20171120_144221-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 0x000f2360: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000037cb26e input_len: 0x0000000001423b2c output: 0x0000000001000000 output_len: 0x0000000003bdaa40 run_size: 0x0000000005310000 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 4.4.120-gd63fdf6 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #28 SMP PREEMPT Tue Mar 6 13:16:06 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=120 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] 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 0x000f23e0-0x000f23ef] mapped at [ffff8800000f23e0] [ 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 0x00000000000F23A0 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 2269937205 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=120 [ 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: 6581404K/7863876K available (40422K kernel code, 6136K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282472K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 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 [ 1.116020] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.117171] pid_max: default: 32768 minimum: 301 [ 1.117889] ACPI: Core revision 20150930 [ 1.535217] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.537112] Security Framework initialized [ 1.537682] SELinux: Initializing. [ 1.538327] AppArmor: AppArmor disabled by boot time parameter [ 1.539223] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.540163] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.543800] Initializing cgroup subsys io [ 1.544399] Initializing cgroup subsys freezer [ 1.545042] Initializing cgroup subsys hugetlb [ 1.545701] Initializing cgroup subsys debug [ 1.546464] CPU: Physical Processor ID: 0 [ 1.548196] mce: CPU supports 32 MCE banks [ 1.548938] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.549779] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.550679] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.553810] Freeing SMP alternatives memory: 44K [ 1.564296] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.685218] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.686676] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.775459] x86: Booting SMP configuration: [ 1.776083] .... node #0, CPUs: #1 [ 1.776854] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.781512] x86: Booted up 1 node, 2 CPUs [ 1.782100] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.786755] devtmpfs: initialized [ 1.796300] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.797678] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.799288] xor: automatically using best checksumming function: [ 1.802344] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.895212] avx : 21707.200 MB/sec [ 1.896346] RTC time: 18:00:17, date: 03/14/18 [ 1.898571] NET: Registered protocol family 16 [ 1.899663] schedtune: init normalization constants... [ 1.900363] schedtune: no energy model data [ 1.900936] schedtune: disabled! [ 1.925327] cpuidle: using governor ladder [ 1.955228] cpuidle: using governor menu [ 1.956494] ACPI: bus type PCI registered [ 1.957067] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.959822] PCI: Using configuration type 1 for base access [ 1.971216] kworker/u4:0 (50) used greatest stack depth: 27448 bytes left [ 2.405150] raid6: sse2x1 gen() 4700 MB/s [ 2.575131] raid6: sse2x1 xor() 2582 MB/s [ 2.745113] raid6: sse2x2 gen() 7060 MB/s [ 2.915087] raid6: sse2x2 xor() 4077 MB/s [ 3.085064] raid6: sse2x4 gen() 8635 MB/s [ 3.255053] raid6: sse2x4 xor() 5282 MB/s [ 3.425020] raid6: avx2x1 gen() 9393 MB/s [ 3.594993] raid6: avx2x2 gen() 14725 MB/s [ 3.764969] raid6: avx2x4 gen() 19431 MB/s [ 3.765640] raid6: using algorithm avx2x4 gen() 19431 MB/s [ 3.766384] raid6: using avx2x2 recovery algorithm [ 3.767698] ACPI: Added _OSI(Module Device) [ 3.768310] ACPI: Added _OSI(Processor Device) [ 3.768956] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.769616] ACPI: Added _OSI(Processor Aggregator Device) [ 3.795863] ACPI: Executed 2 blocks of module-level executable AML code [ 4.634357] ACPI: Interpreter enabled [ 4.635259] ACPI: (supports S0 S3 S4 S5) [ 4.635804] ACPI: Using IOAPIC for interrupt routing [ 4.636917] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.769297] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.770262] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 5.771551] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 5.772551] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.798082] PCI host bridge to bus 0000:00 [ 5.798708] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.799640] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.800569] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.801718] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.802740] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.838372] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.917240] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.923082] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.928789] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.934384] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.937910] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.472557] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.476489] vgaarb: loaded [ 6.479538] SCSI subsystem initialized [ 6.486421] ACPI: bus type USB registered [ 6.488639] usbcore: registered new interface driver usbfs [ 6.490267] usbcore: registered new interface driver hub [ 6.491478] usbcore: registered new device driver usb [ 6.493790] pps_core: LinuxPPS API ver. 1 registered [ 6.494860] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.496228] PTP clock support registered [ 6.498191] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.499643] dmi: Firmware registration failed. [ 6.501163] Advanced Linux Sound Architecture Driver Initialized. [ 6.503284] PCI: Using ACPI for IRQ routing [ 6.514889] NetLabel: Initializing [ 6.515458] NetLabel: domain hash size = 128 [ 6.516057] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.517020] NetLabel: unlabeled traffic allowed by default [ 6.519558] amd_nb: Cannot enumerate AMD northbridges [ 6.520362] clocksource: Switched to clocksource kvm-clock [ 6.677758] pnp: PnP ACPI init [ 6.700320] pnp: PnP ACPI: found 7 devices [ 6.713239] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.714820] NET: Registered protocol family 2 [ 6.717261] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.718760] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.725980] TCP: Hash tables configured (established 65536 bind 65536) [ 6.727143] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.729340] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.732524] NET: Registered protocol family 1 [ 6.733240] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.734962] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.735834] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 6.737713] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 6.738930] hw unit of domain pp0-core 2^-0 Joules [ 6.739581] hw unit of domain package 2^-0 Joules [ 6.740221] hw unit of domain dram 2^-16 Joules [ 6.745759] Scanning for low memory corruption every 60 seconds [ 6.755848] audit: initializing netlink subsys (disabled) [ 6.756868] audit: type=2000 audit(1521050422.645:1): initialized [ 6.764144] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 6.895645] VFS: Disk quotas dquot_6.6.0 [ 6.897293] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.919442] fuse init (API version 7.23) [ 6.922840] 9p: Installing v9fs 9p2000 file system support [ 6.937173] async_tx: api initialized (async) [ 6.938923] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 6.940408] io scheduler noop registered [ 6.941001] io scheduler deadline registered [ 6.943395] io scheduler cfq registered (default) [ 6.951883] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 6.956943] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.958101] ACPI: Power Button [PWRF] [ 6.959756] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.960961] ACPI: Sleep Button [SLPF] [ 6.984138] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.985017] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.005641] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.006537] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.013425] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.036594] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A