[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 16.591001] 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: [ 20.316788] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 20.622616] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 21.381400] random: sshd: uninitialized urandom read (32 bytes read, 79 bits of entropy available) [ 21.570508] random: sshd: uninitialized urandom read (32 bytes read, 84 bits of entropy available) Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. [ 26.949902] random: sshd: uninitialized urandom read (32 bytes read, 90 bits of entropy available) executing program [ 27.042086] ================================================================== [ 27.049485] BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 [ 27.056484] Read of size 8 at addr ffff8801d2a3b140 by task syzkaller201946/3315 [ 27.063982] [ 27.065581] CPU: 1 PID: 3315 Comm: syzkaller201946 Not tainted 4.4.112-gca0ebb4 #29 [ 27.073340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.082666] 0000000000000000 b7d45c27ae59d414 ffff8800afeefab0 ffffffff81d056fd [ 27.090644] ffffea00074a8ec0 ffff8801d2a3b140 0000000000000000 ffff8801d2a3b140 [ 27.098636] ffff8801d0038238 ffff8800afeefae8 ffffffff814fd953 ffff8801d2a3b140 [ 27.106623] Call Trace: [ 27.109183] [] dump_stack+0xc1/0x124 [ 27.114517] [] print_address_description+0x73/0x260 [ 27.121157] [] kasan_report+0x285/0x370 [ 27.126761] [] ? sg_remove_request+0xf9/0x110 [ 27.132876] [] __asan_report_load8_noabort+0x14/0x20 [ 27.139604] [] sg_remove_request+0xf9/0x110 [ 27.145546] [] sg_finish_rem_req+0x295/0x340 [ 27.151570] [] sg_read+0xa21/0x1490 [ 27.156817] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 27.163461] [] ? new_slab+0x2df/0x3b0 [ 27.168878] [] ? sg_proc_seq_show_debug+0xd30/0xd30 [ 27.175514] [] __vfs_read+0x103/0x440 [ 27.180934] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 27.187915] [] ? vfs_iter_write+0x2d0/0x2d0 [ 27.193858] [] ? fsnotify+0x5ad/0xee0 [ 27.199286] [] ? fsnotify+0xee0/0xee0 [ 27.204707] [] ? lockdep_init_map+0xeb/0x1690 [ 27.210822] [] ? avc_policy_seqno+0x9/0x20 [ 27.216675] [] ? selinux_file_permission+0x348/0x460 [ 27.223394] [] ? security_file_permission+0x89/0x1e0 [ 27.230123] [] ? rw_verify_area+0x100/0x2f0 [ 27.236073] [] vfs_read+0x123/0x3a0 [ 27.241317] [] SyS_read+0xd9/0x1b0 [ 27.246475] [] ? do_sendfile+0xd30/0xd30 [ 27.252165] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 27.258629] [] entry_SYSCALL_64_fastpath+0x16/0x92 [ 27.265172] [ 27.266767] Allocated by task 0: [ 27.270097] (stack is not available) [ 27.273773] [ 27.275376] Freed by task 0: [ 27.278358] (stack is not available) [ 27.282038] [ 27.283634] The buggy address belongs to the object at ffff8801d2a3b100 [ 27.283634] which belongs to the cache fasync_cache of size 96 [ 27.296260] The buggy address is located 64 bytes inside of [ 27.296260] 96-byte region [ffff8801d2a3b100, ffff8801d2a3b160) [ 27.307927] The buggy address belongs to the page: [ 27.382635] BUG: unable to handle kernel paging request at fffffffd03f2a780 [ 27.390081] IP: [] cpuacct_charge+0x155/0x390 [ 27.396295] PGD 420f067 PUD 0 [ 27.399739] Oops: 0000 [#1] PREEMPT SMP KASAN [ 27.404769] Dumping ftrace buffer: [ 27.408301] (ftrace buffer empty) [ 27.411999] Modules linked in: [ 27.415327] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.4.112-gca0ebb4 #29 [ 27.422500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.431888] Workqueue: events vmstat_shepherd [ 27.436515] task: ffff8801da30c740 task.stack: ffff8801da348000 [ 27.442558] RIP: 0010:[] [] cpuacct_charge+0x155/0x390 [ 27.451190] RSP: 0018:ffff8801da34f890 EFLAGS: 00010046 [ 27.456633] RAX: 1ffffffff0854dff RBX: 0000000000018528 RCX: ffffffff847ea500 [ 27.463901] RDX: fffffbffa07e54f0 RSI: fffffffd03f2a780 RDI: ffffffff842a6ff8 [ 27.471170] RBP: ffff8801da34f8d8 R08: 0000000000000001 R09: 0000000000000001 [ 27.478437] R10: 0000000000000000 R11: 1ffff1003b469ede R12: ffffffff842a6f20 [ 27.485701] R13: dffffc0000000000 R14: 0000000014df621e R15: ffffffffafee8050 [ 27.492972] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 27.501193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.507081] CR2: fffffffd03f2a780 CR3: 00000000b7cc4000 CR4: 0000000000160670 [ 27.514351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.521618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.528881] Stack: [ 27.531029] ffffffff8122a470 ffff8801da34f8c0 0000000000000046 0000000000000003 [ 27.539112] ffff8801d1095f60 ffffffff83843ba0 0000000014df621e ffff8801d1095fb0 [ 27.547161] ffff8801d1095f00 ffff8801da34f928 ffffffff811dc087 ffff8801db31f4c0 [ 27.555205] Call Trace: [ 27.557796] [] ? cpuacct_charge+0x60/0x390 [ 27.563683] [] update_curr+0x2c7/0x6c0 [ 27.569229] [] enqueue_task_fair+0x313/0x2940 [ 27.575379] [] activate_task+0x148/0x270 [ 27.581094] [] ttwu_do_activate.constprop.131+0xbf/0x1e0 [ 27.588199] [] try_to_wake_up+0x68d/0xf60 [ 27.594008] [] ? __lock_is_held+0xa1/0xf0 [ 27.599811] [] wake_up_process+0x15/0x20 [ 27.605527] [] insert_work+0x171/0x210 [ 27.611069] [] __queue_work+0x3dc/0xea0 [ 27.616698] [] __queue_delayed_work+0x237/0x390 [ 27.623026] [] queue_delayed_work_on+0x59/0xb0 [ 27.629262] [] vmstat_shepherd+0x1c9/0x230 [ 27.635145] [] process_one_work+0x7d7/0x16e0 [ 27.641204] [] ? process_one_work+0x6f7/0x16e0 [ 27.647444] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 27.653942] [] ? worker_thread+0x284/0xfe0 [ 27.659837] [] worker_thread+0xdf/0xfe0 [ 27.665472] [] kthread+0x268/0x300 [ 27.670672] [] ? process_one_work+0x16e0/0x16e0 [ 27.677036] [] ? kthread_create_on_node+0x400/0x400 [ 27.683712] [] ? kthread_create_on_node+0x400/0x400 [ 27.690389] [] ret_from_fork+0x3f/0x70 [ 27.695939] [] ? kthread_create_on_node+0x400/0x400 [ 27.702602] Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 9e 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 0a 02 00 00 <4a> 03 1c f9 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 cf 01 00 [ 27.730273] RIP [] cpuacct_charge+0x155/0x390 [ 27.736557] RSP [ 27.740171] CR2: fffffffd03f2a780 [ 27.743620] ---[ end trace 2cc4a85094ad98e8 ]--- [ 27.748366] 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: 0x00000000039c626e input_len: 0x0000000001427532 output: 0x0000000001000000 output_len: 0x0000000003dd8a40 run_size: 0x000000000550e000 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 4.4.112-gca0ebb4 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #29 SMP PREEMPT Thu Jan 18 17:55:38 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 2015875579 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: 1935237 [ 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: 6581452K/7863916K available (40432K kernel code, 6131K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282464K 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 [ 1.143507] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.144676] pid_max: default: 32768 minimum: 301 [ 1.145388] ACPI: Core revision 20150930 [ 1.214646] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.215874] Security Framework initialized [ 1.216442] SELinux: Initializing. [ 1.217098] AppArmor: AppArmor disabled by boot time parameter [ 1.218041] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.219010] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.222614] Initializing cgroup subsys io [ 1.223299] Initializing cgroup subsys freezer [ 1.223992] Initializing cgroup subsys hugetlb [ 1.224617] Initializing cgroup subsys debug [ 1.225384] CPU: Physical Processor ID: 0 [ 1.227274] mce: CPU supports 32 MCE banks [ 1.228025] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.228853] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.232031] Freeing SMP alternatives memory: 44K [ 1.241301] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.352866] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.354395] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.443109] x86: Booting SMP configuration: [ 1.443795] .... node #0, CPUs: #1 [ 1.444619] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.449695] x86: Booted up 1 node, 2 CPUs [ 1.450278] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.454955] devtmpfs: initialized [ 1.464380] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.465788] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.467502] xor: automatically using best checksumming function: [ 1.480757] kworker/u4:0 (21) used greatest stack depth: 27224 bytes left [ 1.562882] avx : 21655.600 MB/sec [ 1.564143] RTC time: 19:35:22, date: 01/18/18 [ 1.566398] NET: Registered protocol family 16 [ 1.567499] schedtune: init normalization constants... [ 1.568244] schedtune: no energy model data [ 1.568943] schedtune: disabled! [ 1.603152] cpuidle: using governor ladder [ 1.632924] cpuidle: using governor menu [ 1.634200] ACPI: bus type PCI registered [ 1.634830] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.637699] PCI: Using configuration type 1 for base access [ 1.813376] kworker/u4:2 (395) used greatest stack depth: 26984 bytes left [ 2.052911] raid6: sse2x1 gen() 4791 MB/s [ 2.222890] raid6: sse2x1 xor() 2472 MB/s [ 2.392886] raid6: sse2x2 gen() 7054 MB/s [ 2.562887] raid6: sse2x2 xor() 4057 MB/s [ 2.732887] raid6: sse2x4 gen() 8680 MB/s [ 2.902886] raid6: sse2x4 xor() 5318 MB/s [ 3.072880] raid6: avx2x1 gen() 9474 MB/s [ 3.242885] raid6: avx2x2 gen() 14693 MB/s [ 3.412885] raid6: avx2x4 gen() 19174 MB/s [ 3.413611] raid6: using algorithm avx2x4 gen() 19174 MB/s [ 3.414357] raid6: using avx2x2 recovery algorithm [ 3.415699] ACPI: Added _OSI(Module Device) [ 3.416388] ACPI: Added _OSI(Processor Device) [ 3.417001] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.417663] ACPI: Added _OSI(Processor Aggregator Device) [ 3.428015] ACPI: Executed 2 blocks of module-level executable AML code [ 3.502759] ACPI: Interpreter enabled [ 3.503702] ACPI: (supports S0 S3 S4 S5) [ 3.504323] ACPI: Using IOAPIC for interrupt routing [ 3.505545] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.708636] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.709780] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 3.711427] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 3.712473] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.738372] PCI host bridge to bus 0000:00 [ 3.739009] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.740040] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.741086] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.742124] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.743193] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.783105] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.868616] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.874758] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.880704] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.886544] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.890360] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.903262] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.906835] vgaarb: loaded [ 3.910117] SCSI subsystem initialized [ 3.922204] ACPI: bus type USB registered [ 3.923962] usbcore: registered new interface driver usbfs [ 3.925566] usbcore: registered new interface driver hub [ 3.926732] usbcore: registered new device driver usb [ 3.928829] pps_core: LinuxPPS API ver. 1 registered [ 3.930072] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.931454] PTP clock support registered [ 3.951342] Advanced Linux Sound Architecture Driver Initialized. [ 3.953194] PCI: Using ACPI for IRQ routing [ 3.964149] NetLabel: Initializing [ 3.964717] NetLabel: domain hash size = 128 [ 3.965351] NetLabel: protocols = UNLABELED CIPSOv4 [ 3.966337] NetLabel: unlabeled traffic allowed by default [ 3.968741] amd_nb: Cannot enumerate AMD northbridges [ 3.969567] clocksource: Switched to clocksource kvm-clock [ 4.126483] pnp: PnP ACPI init [ 4.149481] pnp: PnP ACPI: found 7 devices [ 4.162442] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.164097] NET: Registered protocol family 2 [ 4.166547] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 4.168702] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 4.176091] TCP: Hash tables configured (established 65536 bind 65536) [ 4.177233] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 4.179504] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 4.182141] NET: Registered protocol family 1 [ 4.182870] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.184615] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.185506] software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at [ffff8800bbffd000-ffff8800bfffcfff] [ 4.187421] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 4.188705] hw unit of domain pp0-core 2^-0 Joules [ 4.189502] hw unit of domain package 2^-0 Joules [ 4.190222] hw unit of domain dram 2^-16 Joules [ 4.196083] Scanning for low memory corruption every 60 seconds [ 4.205154] audit: initializing netlink subsys (disabled) [ 4.206256] audit: type=2000 audit(1516304124.564:1): initialized [ 4.213335] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 4.339344] VFS: Disk quotas dquot_6.6.0 [ 4.341498] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.364169] fuse init (API version 7.23) [ 4.367726] 9p: Installing v9fs 9p2000 file system support [ 4.381959] async_tx: api initialized (async) [ 4.383911] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 4.385131] io scheduler noop registered [ 4.385708] io scheduler deadline registered [ 4.388110] io scheduler cfq registered (default) [ 4.399385] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 4.403869] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.405024] ACPI: Power Button [PWRF] [ 4.406719] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.407791] ACPI: Sleep Button [SLPF] [ 4.441684] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.442626] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.463747] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.464696] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.471599] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.494513] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.520214] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.545399] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.570873] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.579049] Non-volatile memory driver v1.3 [ 4.581151] Linux agpgart interface v0.103 [ 4.584368] [drm] Initialized drm 1.1.0 20060810 [ 4.681857] brd: module loaded [ 4.740329] loop: module loaded [ 4.773544] nbd: registered device at major 43 [ 4.907217] drbd: initialized. Version: 8.4.5 (api:1/proto:86-101) [ 4.908863] drbd: built-in [ 4.909514] drbd: registered as block device major 147 [ 4.935205] scsi host0: Virtio SCSI HBA [ 4.973461] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 5.179999] tsc: Refined TSC clocksource calibration: 2299.804 MHz [ 5.181673] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267c42e6c, max_idle_ns: 440795315891 ns [ 5.617223] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 5.619485] osst :I: Tape driver with OnStream support version 0.99.4 [ 5.619485] osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 5.626644] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 5.628508] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 5.628719] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 5.629012] SCSI Media Changer driver v0.25 [ 5.631686] tun: Universal TUN/TAP device driver, 1.6 [ 5.631688] tun: (C) 1999-2004 Max Krasnyansky [ 5.645766] sd 0:0:1:0: [sda] Write Protect is off [ 5.648411] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA