[ 15.387124] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.346630] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 19.658766] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 20.480118] random: sshd: uninitialized urandom read (32 bytes read, 100 bits of entropy available) [ 31.275547] random: sshd: uninitialized urandom read (32 bytes read, 110 bits of entropy available) Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. [ 36.950674] random: sshd: uninitialized urandom read (32 bytes read, 116 bits of entropy available) executing program [ 37.050543] ================================================================== [ 37.057922] BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 [ 37.064903] Read of size 8 at addr ffff8800b46ea140 by task syzkaller190273/3323 [ 37.072401] [ 37.074005] CPU: 1 PID: 3323 Comm: syzkaller190273 Not tainted 4.4.111-gf851888 #23 [ 37.082109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.091692] 0000000000000000 8e1f213f6372b590 ffff8800b418f9f0 ffffffff81d0507d [ 37.099653] ffffea0002d1ba80 ffff8800b46ea140 0000000000000000 ffff8800b46ea140 [ 37.108045] ffff8801d035c438 ffff8800b418fa28 ffffffff814fd433 ffff8800b46ea140 [ 37.115999] Call Trace: [ 37.118646] [] dump_stack+0xc1/0x124 [ 37.123981] [] print_address_description+0x73/0x260 [ 37.130624] [] kasan_report+0x285/0x370 [ 37.136216] [] ? sg_remove_request+0xf9/0x110 [ 37.142336] [] __asan_report_load8_noabort+0x14/0x20 [ 37.149092] [] sg_remove_request+0xf9/0x110 [ 37.155040] [] sg_finish_rem_req+0x295/0x340 [ 37.161074] [] sg_read+0xa21/0x1490 [ 37.166319] [] ? __check_object_size+0x154/0x35b [ 37.172688] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 37.179321] [] ? fsnotify+0xee0/0xee0 [ 37.184741] [] ? avc_policy_seqno+0x9/0x20 [ 37.190858] [] do_loop_readv_writev+0x141/0x1e0 [ 37.197143] [] ? security_file_permission+0x89/0x1e0 [ 37.203860] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 37.210491] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 37.217122] [] do_readv_writev+0x5dd/0x6e0 [ 37.222981] [] ? vfs_write+0x530/0x530 [ 37.228494] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.234435] [] ? do_huge_pmd_anonymous_page+0x3dd/0xa10 [ 37.241424] [] ? handle_mm_fault+0x3f2/0x3190 [ 37.247882] [] ? fasync_insert_entry+0x147/0x2e0 [ 37.254427] [] vfs_readv+0x78/0xb0 [ 37.260018] [] SyS_readv+0xd9/0x240 [ 37.265263] [] ? rw_copy_check_uvector+0x2d0/0x2d0 [ 37.271808] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 37.278793] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 37.285788] [ 37.287382] Allocated by task 0: [ 37.291499] (stack is not available) [ 37.295441] [ 37.297033] Freed by task 0: [ 37.300014] (stack is not available) [ 37.303689] [ 37.305283] The buggy address belongs to the object at ffff8800b46ea100 [ 37.305283] which belongs to the cache fasync_cache of size 96 [ 37.319048] The buggy address is located 64 bytes inside of [ 37.319048] 96-byte region [ffff8800b46ea100, ffff8800b46ea160) [ 37.331496] The buggy address belongs to the page: [ 38.014030] kasan: CONFIG_KASAN_INLINE enabled [ 38.018445] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 38.031232] Dumping ftrace buffer: [ 38.034742] (ftrace buffer empty) [ 38.038419] Modules linked in: [ 38.041696] CPU: 0 PID: 489 Comm: khugepaged Not tainted 4.4.111-gf851888 #23 [ 38.048932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.058945] task: ffff8800bb1cc740 task.stack: ffff8801d9398000 [ 38.064966] RIP: 0010:[] [] debug_check_no_obj_freed+0x1a8/0x9b0 [ 38.074925] RSP: 0018:ffff8801d939f8f8 EFLAGS: 00010803 [ 38.080347] RAX: 0000000000000282 RBX: ffff8800b1000000 RCX: 0000000000000003 [ 38.087591] RDX: 1d2000dc1b1d0161 RSI: ffff8801d939f988 RDI: ffffffff8148f9a9 [ 38.094825] RBP: ffff8801d939f9f0 R08: 1ffffffff0291f35 R09: ffffffff8512a880 [ 38.102060] R10: dead000000000200 R11: 1ffff1003b273ee6 R12: ed04cee8ffffff45 [ 38.109301] R13: ffff8800b0e00000 R14: e90006e0d8e80b0f R15: dffffc0000000000 [ 38.116539] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 38.124731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.130587] CR2: 000055bd8be1c100 CR3: 00000001d0026000 CR4: 0000000000160670 [ 38.137830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.145072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.152308] Stack: [ 38.154430] 0000000000000046 ffff8800bb1cc740 ffff8800bb1ccfb0 00000000000000ef [ 38.162384] 1ffff1003b273f2d ffffffff85794ac0 ffff8800b1000000 ffff8800b1000000 [ 38.170327] 0000000000000046 ffffffff857eea48 0000000000036080 fffffbfff0af2958 [ 38.178270] Call Trace: [ 38.180827] [] ? debug_object_active_state+0x420/0x420 [ 38.187723] [] free_pages_prepare+0x4a9/0xb30 [ 38.195047] [] __free_pages_ok+0x1c/0xbd0 [ 38.200815] [] free_compound_page+0x5e/0x70 [ 38.206754] [] __put_compound_page+0xa1/0xf0 [ 38.212780] [] put_compound_page+0xdb/0xb80 [ 38.218720] [] put_page+0x3d/0x110 [ 38.223875] [] khugepaged+0x35b/0x2ac0 [ 38.229378] [] ? set_huge_zero_page.isra.52.part.53+0x100/0x100 [ 38.237052] [] ? prepare_to_wait_event+0x420/0x420 [ 38.243599] [] ? __kthread_parkme+0x164/0x230 [ 38.249709] [] kthread+0x268/0x300 [ 38.254863] [] ? set_huge_zero_page.isra.52.part.53+0x100/0x100 [ 38.262535] [] ? kthread_create_on_node+0x400/0x400 [ 38.269166] [] ? kthread_create_on_node+0x400/0x400 [ 38.275803] [] ret_from_fork+0x3f/0x70 [ 38.281480] [] ? kthread_create_on_node+0x400/0x400 [ 38.288109] Code: 48 c7 c6 40 ea 75 85 4c 8b 34 0e 4d 85 f6 0f 84 c5 03 00 00 49 ba 00 02 00 00 00 00 ad de 31 c9 48 8d 75 98 4c 89 f2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 f0 03 00 00 49 8d 7e 18 83 c1 01 49 8b 16 [ 38.314425] RIP [] debug_check_no_obj_freed+0x1a8/0x9b0 [ 38.322348] RSP [ 38.325945] ---[ end trace 5c798f059a3aee19 ]--- [ 38.330669] Kernel panic - not syncing: Fatal exception SeaBIOS (version 1.8.2-20171130_102032-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 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 0x000f3050: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000039c526e input_len: 0x0000000001426d73 output: 0x0000000001000000 output_len: 0x0000000003dd7a40 run_size: 0x000000000550d000 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 4.4.111-gf851888 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #23 SMP PREEMPT Wed Jan 10 09:57:05 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] 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 = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f32c0-0x000f32cf] mapped at [ffff8800000f32c0] [ 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 0x00000000000F3090 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 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 1738241559 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 0x0000000000100000-0x00000000bfffcfff] [ 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 0xbfffd000-0xbfffffff] [ 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: 1935238 [ 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: 6581460K/7863916K available (40429K kernel code, 6130K rwdata, 8808K rodata, 1844K init, 23616K bss, 1282456K 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 [ 1.246317] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.247478] pid_max: default: 32768 minimum: 301 [ 1.248183] ACPI: Core revision 20150930 [ 1.320852] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.322174] Security Framework initialized [ 1.322775] SELinux: Initializing. [ 1.323484] AppArmor: AppArmor disabled by boot time parameter [ 1.324417] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.325396] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.329234] Initializing cgroup subsys io [ 1.330072] Initializing cgroup subsys freezer [ 1.331151] Initializing cgroup subsys hugetlb [ 1.331810] Initializing cgroup subsys debug [ 1.332573] CPU: Physical Processor ID: 0 [ 1.334303] mce: CPU supports 32 MCE banks [ 1.335063] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.335967] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.338915] Freeing SMP alternatives memory: 44K [ 1.348172] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.465703] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.467177] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.555955] x86: Booting SMP configuration: [ 1.556637] .... node #0, CPUs: #1 [ 1.557379] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.562187] x86: Booted up 1 node, 2 CPUs [ 1.562874] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.567464] devtmpfs: initialized [ 1.577039] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.578500] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.580178] xor: automatically using best checksumming function: [ 1.593345] kworker/u4:0 (21) used greatest stack depth: 27864 bytes left [ 1.675659] avx : 21848.000 MB/sec [ 1.676913] RTC time: 16:29:35, date: 01/11/18 [ 1.679180] NET: Registered protocol family 16 [ 1.680360] schedtune: init normalization constants... [ 1.681139] schedtune: no energy model data [ 1.681785] schedtune: disabled! [ 1.716004] cpuidle: using governor ladder [ 1.745736] cpuidle: using governor menu [ 1.747031] ACPI: bus type PCI registered [ 1.747697] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.750530] PCI: Using configuration type 1 for base access [ 1.758870] kworker/u4:1 (49) used greatest stack depth: 27224 bytes left [ 2.195526] raid6: sse2x1 gen() 4451 MB/s [ 2.365449] raid6: sse2x1 xor() 2458 MB/s [ 2.535390] raid6: sse2x2 gen() 7075 MB/s [ 2.705329] raid6: sse2x2 xor() 4053 MB/s [ 2.875300] raid6: sse2x4 gen() 9110 MB/s [ 3.045251] raid6: sse2x4 xor() 5116 MB/s [ 3.215168] raid6: avx2x1 gen() 8504 MB/s [ 3.385117] raid6: avx2x2 gen() 14221 MB/s [ 3.555059] raid6: avx2x4 gen() 17415 MB/s [ 3.555811] raid6: using algorithm avx2x4 gen() 17415 MB/s [ 3.556555] raid6: using avx2x2 recovery algorithm [ 3.557865] ACPI: Added _OSI(Module Device) [ 3.558470] ACPI: Added _OSI(Processor Device) [ 3.559077] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.559738] ACPI: Added _OSI(Processor Aggregator Device) [ 3.570718] ACPI: Executed 2 blocks of module-level executable AML code [ 3.648964] ACPI: Interpreter enabled [ 3.649869] ACPI: (supports S0 S3 S4 S5) [ 3.650424] ACPI: Using IOAPIC for interrupt routing [ 3.651591] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.872246] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.873291] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.874938] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.875957] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.903411] PCI host bridge to bus 0000:00 [ 3.904076] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.905029] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.905986] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.907000] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.908066] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.942744] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.025281] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.031185] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.037124] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.042805] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.046309] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.059428] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.063477] vgaarb: loaded [ 4.066620] SCSI subsystem initialized [ 4.076803] ACPI: bus type USB registered [ 4.078467] usbcore: registered new interface driver usbfs [ 4.079724] usbcore: registered new interface driver hub [ 4.080735] usbcore: registered new device driver usb [ 4.082629] pps_core: LinuxPPS API ver. 1 registered [ 4.083338] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.084705] PTP clock support registered [ 4.088011] Advanced Linux Sound Architecture Driver Initialized. [ 4.089657] PCI: Using ACPI for IRQ routing [ 4.105574] NetLabel: Initializing [ 4.106132] NetLabel: domain hash size = 128 [ 4.106732] NetLabel: protocols = UNLABELED CIPSOv4 [ 4.107723] NetLabel: unlabeled traffic allowed by default [ 4.110187] amd_nb: Cannot enumerate AMD northbridges [ 4.111053] clocksource: Switched to clocksource kvm-clock [ 4.272387] pnp: PnP ACPI init [ 4.294962] pnp: PnP ACPI: found 7 devices [ 4.309153] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.310817] NET: Registered protocol family 2 [ 4.314276] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.315806] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.323179] TCP: Hash tables configured (established 65536 bind 65536) [ 4.324420] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.326653] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.329320] NET: Registered protocol family 1 [ 4.330036] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.332638] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.333524] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.335783] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.336996] hw unit of domain pp0-core 2^-0 Joules [ 4.337646] hw unit of domain package 2^-0 Joules [ 4.338283] hw unit of domain dram 2^-16 Joules [ 4.344630] Scanning for low memory corruption every 60 seconds [ 4.353598] audit: initializing netlink subsys (disabled) [ 4.354629] audit: type=2000 audit(1515688178.292:1): initialized [ 4.361912] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.497772] VFS: Disk quotas dquot_6.6.0 [ 4.499356] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.522415] fuse init (API version 7.23) [ 4.525682] 9p: Installing v9fs 9p2000 file system support [ 4.539998] async_tx: api initialized (async) [ 4.541863] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.542970] io scheduler noop registered [ 4.543564] io scheduler deadline registered [ 4.545999] io scheduler cfq registered (default) [ 4.556813] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.560251] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.561326] ACPI: Power Button [PWRF] [ 4.563040] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.564060] ACPI: Sleep Button [SLPF] [ 4.590317] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.591235] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.614246] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.615164] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.622019] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.644899] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.669446] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.693892] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.718164] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.726801] Non-volatile memory driver v1.3 [ 4.728634] Linux agpgart interface v0.103 [ 4.731486] [drm] Initialized drm 1.1.0 20060810 [ 4.833587] brd: module loaded [ 4.903393] loop: module loaded [ 4.927618] nbd: registered device at major 43 [ 5.068441] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 5.069152] drbd: built-in [ 5.069437] drbd: registered as block device major 147 [ 5.106009] scsi host0: Virtio SCSI HBA [ 5.142344] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.331714] tsc: Refined TSC clocksource calibration: 2299.799 MHz [ 5.332812] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126776e976, max_idle_ns: 440795286532 ns [ 5.798020] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.799547] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.799547] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.805955] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.807283] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.807806] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.808118] SCSI Media Changer driver v0.25 [ 5.810987] tun: Universal TUN/TAP device driver, 1.6 [ 5.812587] sd 0:0:1:0: [sda] Write Protect is off [ 5.813054] tun: (C) 1999-2004 Max Krasnyansky [ 5.816997] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.837679] sda: sda1