[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.612039] 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: [ 24.633230] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 25.088575] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 26.053491] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available) [ 26.220694] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. [ 31.580947] random: sshd: uninitialized urandom read (32 bytes read, 116 bits of entropy available) 2018/03/14 20:44:35 parsed 1 programs 2018/03/14 20:44:35 executed programs: 0 [ 31.925700] IPVS: Creating netns size=2552 id=1 [ 33.023396] ================================================================== [ 33.030778] BUG: KASAN: slab-out-of-bounds in ip6_xmit+0x1a2c/0x1a70 [ 33.037246] Read of size 8 at addr ffff8801cac61b58 by task syz-executor0/4052 [ 33.044572] [ 33.046173] CPU: 1 PID: 4052 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 33.053767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.063091] 0000000000000000 34a5173e4f732d3a ffff8800aaf7f768 ffffffff81d0408d [ 33.071056] ffffea00072b1840 ffff8801cac61b58 0000000000000000 ffff8801cac61b58 [ 33.079031] 0000000000000040 ffff8800aaf7f7a0 ffffffff814fe143 ffff8801cac61b58 [ 33.087008] Call Trace: [ 33.089567] [] dump_stack+0xc1/0x124 [ 33.094911] [] print_address_description+0x73/0x260 [ 33.101553] [] kasan_report+0x285/0x370 [ 33.107146] [] ? ip6_xmit+0x1a2c/0x1a70 [ 33.112740] [] __asan_report_load8_noabort+0x14/0x20 [ 33.119464] [] ip6_xmit+0x1a2c/0x1a70 [ 33.124882] [] ? kfree+0xfc/0x300 [ 33.129966] [] ? pskb_expand_head+0x28b/0x980 [ 33.136078] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 33.141932] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 33.148393] [] ? __lock_is_held+0xa1/0xf0 [ 33.154161] [] ? ipv4_dst_check+0x111/0x160 [ 33.160104] [] ? __sk_dst_check+0x148/0x260 [ 33.166044] [] inet6_csk_xmit+0x246/0x480 [ 33.171812] [] ? inet6_csk_xmit+0x100/0x480 [ 33.177752] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 33.184299] [] ? udp6_set_csum+0x336/0xa80 [ 33.190150] [] l2tp_xmit_skb+0xc2f/0xea0 [ 33.195829] [] pppol2tp_sendmsg+0x584/0x7f0 [ 33.201768] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 33.208240] [] ? pppol2tp_release+0x310/0x310 [ 33.214357] [] sock_sendmsg+0xca/0x110 [ 33.219864] [] SYSC_sendto+0x2c8/0x340 [ 33.225369] [] ? SYSC_connect+0x310/0x310 [ 33.231134] [] ? handle_mm_fault+0x192d/0x3190 [ 33.237376] [] SyS_sendto+0x40/0x50 [ 33.242627] [] ? SyS_getpeername+0x30/0x30 [ 33.248493] [] do_fast_syscall_32+0x321/0x8a0 [ 33.254620] [] sysenter_flags_fixed+0xd/0x17 [ 33.260643] [ 33.262242] Allocated by task 0: [ 33.265574] (stack is not available) [ 33.269255] [ 33.270851] Freed by task 0: [ 33.273835] (stack is not available) [ 33.277515] [ 33.279115] The buggy address belongs to the object at ffff8801cac61b40 [ 33.279115] which belongs to the cache ip_dst_cache of size 208 [ 33.291826] The buggy address is located 24 bytes inside of [ 33.291826] 208-byte region [ffff8801cac61b40, ffff8801cac61c10) [ 33.303581] The buggy address belongs to the page: [ 33.522561] kasan: CONFIG_KASAN_INLINE enabled [ 33.527008] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 33.539954] Dumping ftrace buffer: [ 33.543482] (ftrace buffer empty) [ 33.547187] Modules linked in: [ 33.550512] CPU: 0 PID: 3783 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 33.558122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.567478] task: ffff8800ab041800 task.stack: ffff8800bbbf8000 [ 33.573530] RIP: 0010:[] [] kick_process+0xdd/0x1c0 [ 33.581894] RSP: 0018:ffff8800bbbffb10 EFLAGS: 00010002 [ 33.587334] RAX: dffffc0000000000 RBX: 000000000001f4c0 RCX: ffffffff81d63e4b [ 33.594609] RDX: 0000000071d8e0f1 RSI: ffffffff839fe520 RDI: 000000038ec70788 [ 33.601872] RBP: ffff8800bbbffb30 R08: 0000000000000001 R09: 0000000000000001 [ 33.609133] R10: 0000000000000000 R11: 1ffff1001777ff1a R12: ffff8801d7e21800 [ 33.616406] R13: 00000000814909c1 R14: 00000000814909c1 R15: ffff8800baa27300 [ 33.623670] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009e0e900 [ 33.631890] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 33.637768] CR2: 0000558be27afaa8 CR3: 00000000af03c000 CR4: 0000000000160670 [ 33.645036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.652306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.659567] Stack: [ 33.661705] ffff8801d7e21800 0000000000000080 dffffc0000000000 ffff8801cfbd9bc0 [ 33.669751] ffff8800bbbffb50 ffffffff81153bd5 ffff8801d7e21800 ffff8801d7e21800 [ 33.677806] ffff8800bbbffba8 ffffffff811541d6 ffff8800bb275b00 ffffffff8115574b [ 33.685843] Call Trace: [ 33.688429] [] signal_wake_up_state+0x55/0x70 [ 33.694568] [] complete_signal+0x5b6/0x700 [ 33.700445] [] ? __send_signal+0x53b/0x1330 [ 33.706412] [] __send_signal+0x90f/0x1330 [ 33.712207] [] ? __send_signal+0x452/0x1330 [ 33.718172] [] send_signal+0x4a/0xc0 [ 33.723529] [] do_send_sig_info+0xa4/0x130 [ 33.729407] [] ? __lock_task_sighand+0x460/0x460 [ 33.735811] [] ? group_send_sig_info+0x95/0x170 [ 33.742128] [] group_send_sig_info+0xdd/0x170 [ 33.748270] [] ? kill_pid_info_as_cred+0x530/0x530 [ 33.754852] [] __kill_pgrp_info+0x90/0x120 [ 33.760743] [] SYSC_kill+0x366/0x5b0 [ 33.766111] [] ? kill_pid+0x30/0x30 [ 33.771391] [] ? __compat_put_timespec+0xd5/0x150 [ 33.777881] [] ? compat_put_timespec+0xbd/0xe0 [ 33.784114] [] ? compat_SyS_clock_gettime+0x132/0x1a0 [ 33.790956] [] ? compat_SyS_clock_settime+0x180/0x180 [ 33.797792] [] SyS_kill+0x1c/0x30 [ 33.802893] [] ? SyS_rt_sigtimedwait+0x40/0x40 [ 33.809126] [] do_fast_syscall_32+0x321/0x8a0 [ 33.815274] [] sysenter_flags_fixed+0xd/0x17 [ 33.821322] Code: 04 02 84 c0 74 08 3c 03 0f 8e b7 00 00 00 48 b8 00 00 00 00 00 fc ff df 45 8b 6d 10 4a 8d 3c ed 80 b9 7e 84 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 be 00 00 00 4a 03 1c ed 80 b9 7e 84 48 b8 00 [ 33.848924] RIP [] kick_process+0xdd/0x1c0 [ 33.854938] RSP [ 33.858555] ---[ end trace 5e4bf2fea00d053c ]--- [ 33.863299] Kernel panic - not syncing: Fatal exception SeaBIOS (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: 0x0000000001423b30 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) ) #29 SMP PREEMPT Tue Mar 6 13:11:38 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 0x0000000000100000-0x00000000bfff2fff] 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 2088760830 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 [ 1.189828] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.190981] pid_max: default: 32768 minimum: 301 [ 1.191685] ACPI: Core revision 20150930 [ 1.609599] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.611567] Security Framework initialized [ 1.612192] SELinux: Initializing. [ 1.612851] AppArmor: AppArmor disabled by boot time parameter [ 1.613754] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.614694] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.618341] Initializing cgroup subsys io [ 1.619022] Initializing cgroup subsys freezer [ 1.619667] Initializing cgroup subsys hugetlb [ 1.620290] Initializing cgroup subsys debug [ 1.621065] CPU: Physical Processor ID: 0 [ 1.622954] mce: CPU supports 32 MCE banks [ 1.623699] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.624521] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.625445] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.628577] Freeing SMP alternatives memory: 44K [ 1.639334] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.758997] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.760481] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.849239] x86: Booting SMP configuration: [ 1.849864] .... node #0, CPUs: #1 [ 1.850627] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.855449] x86: Booted up 1 node, 2 CPUs [ 1.856018] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.860730] devtmpfs: initialized [ 1.870122] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.871487] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.873132] xor: automatically using best checksumming function: [ 1.886664] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.968983] avx : 21668.000 MB/sec [ 1.970123] RTC time: 20:44:43, date: 03/14/18 [ 1.972354] NET: Registered protocol family 16 [ 1.973466] schedtune: init normalization constants... [ 1.974231] schedtune: no energy model data [ 1.974807] schedtune: disabled! [ 2.009156] cpuidle: using governor ladder [ 2.038994] cpuidle: using governor menu [ 2.040273] ACPI: bus type PCI registered [ 2.040875] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.043667] PCI: Using configuration type 1 for base access [ 2.055789] kworker/u4:0 (49) used greatest stack depth: 27448 bytes left [ 2.065985] kworker/u4:0 (85) used greatest stack depth: 27080 bytes left [ 2.488891] raid6: sse2x1 gen() 4674 MB/s [ 2.658858] raid6: sse2x1 xor() 2576 MB/s [ 2.828832] raid6: sse2x2 gen() 6992 MB/s [ 2.998800] raid6: sse2x2 xor() 4076 MB/s [ 3.168767] raid6: sse2x4 gen() 8650 MB/s [ 3.338743] raid6: sse2x4 xor() 5261 MB/s [ 3.508711] raid6: avx2x1 gen() 9316 MB/s [ 3.678677] raid6: avx2x2 gen() 14592 MB/s [ 3.848648] raid6: avx2x4 gen() 18919 MB/s [ 3.849314] raid6: using algorithm avx2x4 gen() 18919 MB/s [ 3.850083] raid6: using avx2x2 recovery algorithm [ 3.851407] ACPI: Added _OSI(Module Device) [ 3.852044] ACPI: Added _OSI(Processor Device) [ 3.852678] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.853320] ACPI: Added _OSI(Processor Aggregator Device) [ 3.878971] ACPI: Executed 2 blocks of module-level executable AML code [ 4.718821] ACPI: Interpreter enabled [ 4.719768] ACPI: (supports S0 S3 S4 S5) [ 4.720317] ACPI: Using IOAPIC for interrupt routing [ 4.721443] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug