[ 19.118378] random: sshd: uninitialized urandom read (32 bytes read, 34 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: [ 21.336589] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 21.589273] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 22.595862] random: sshd: uninitialized urandom read (32 bytes read, 116 bits of entropy available) [ 22.757603] random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available) Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. [ 28.158001] random: sshd: uninitialized urandom read (32 bytes read, 125 bits of entropy available) 2018/03/10 04:54:43 parsed 1 programs 2018/03/10 04:54:43 executed programs: 0 [ 28.495019] IPVS: Creating netns size=2552 id=1 [ 29.592206] ================================================================== [ 29.599602] BUG: KASAN: slab-out-of-bounds in ip6_xmit+0x1a2c/0x1a70 [ 29.606063] Read of size 8 at addr ffff8801d2311a18 by task syz-executor0/4073 [ 29.613387] [ 29.614984] CPU: 1 PID: 4073 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 29.622568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.631910] 0000000000000000 692d7670e81aca1c ffff8800a98cf768 ffffffff81d0408d [ 29.639889] ffffea000748c440 ffff8801d2311a18 0000000000000000 ffff8801d2311a18 [ 29.647868] 0000000000000040 ffff8800a98cf7a0 ffffffff814fe143 ffff8801d2311a18 [ 29.655831] Call Trace: [ 29.658390] [] dump_stack+0xc1/0x124 [ 29.663723] [] print_address_description+0x73/0x260 [ 29.670357] [] kasan_report+0x285/0x370 [ 29.675949] [] ? ip6_xmit+0x1a2c/0x1a70 [ 29.681545] [] __asan_report_load8_noabort+0x14/0x20 [ 29.688280] [] ip6_xmit+0x1a2c/0x1a70 [ 29.693715] [] ? kfree+0xfc/0x300 [ 29.698798] [] ? pskb_expand_head+0x28b/0x980 [ 29.704918] [] ? l2tp_xmit_skb+0xa5e/0xea0 [ 29.710770] [] ? ip6_finish_output2+0x1c60/0x1c60 [ 29.717233] [] ? __lock_is_held+0xa1/0xf0 [ 29.723000] [] ? ipv4_dst_check+0x111/0x160 [ 29.728939] [] ? __sk_dst_check+0x148/0x260 [ 29.734882] [] inet6_csk_xmit+0x246/0x480 [ 29.740646] [] ? inet6_csk_xmit+0x100/0x480 [ 29.746584] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 29.753134] [] ? udp6_set_csum+0x336/0xa80 [ 29.758990] [] l2tp_xmit_skb+0xc2f/0xea0 [ 29.764681] [] pppol2tp_sendmsg+0x584/0x7f0 [ 29.770631] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 29.777089] [] ? pppol2tp_release+0x310/0x310 [ 29.783203] [] sock_sendmsg+0xca/0x110 [ 29.788709] [] SYSC_sendto+0x2c8/0x340 [ 29.794214] [] ? SYSC_connect+0x310/0x310 [ 29.799980] [] ? handle_mm_fault+0x192d/0x3190 [ 29.806181] [] SyS_sendto+0x40/0x50 [ 29.811428] [] ? SyS_getpeername+0x30/0x30 [ 29.817280] [] do_fast_syscall_32+0x321/0x8a0 [ 29.823394] [] sysenter_flags_fixed+0xd/0x17 [ 29.829415] [ 29.831015] Allocated by task 0: [ 29.834345] (stack is not available) [ 29.838021] [ 29.839616] Freed by task 0: [ 29.842600] (stack is not available) [ 29.846278] [ 29.847874] The buggy address belongs to the object at ffff8801d2311a00 [ 29.847874] which belongs to the cache ip_dst_cache of size 208 [ 29.860582] The buggy address is located 24 bytes inside of [ 29.860582] 208-byte region [ffff8801d2311a00, ffff8801d2311ad0) [ 29.872336] The buggy address belongs to the page: [ 30.092147] kasan: CONFIG_KASAN_INLINE enabled [ 30.096604] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 30.109519] Dumping ftrace buffer: [ 30.113049] (ftrace buffer empty) [ 30.116754] Modules linked in: [ 30.120065] CPU: 0 PID: 3798 Comm: syz-executor0 Not tainted 4.4.120-gd63fdf6 #29 [ 30.127674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.137017] task: ffff8800bb9d6000 task.stack: ffff8801d9298000 [ 30.143060] RIP: 0010:[] [] kick_process+0xdd/0x1c0 [ 30.151427] RSP: 0018:ffff8801d929fb10 EFLAGS: 00010002 [ 30.156863] RAX: dffffc0000000000 RBX: 000000000001f4c0 RCX: ffffffff81d63e4b [ 30.164123] RDX: 0000000071d8e0f1 RSI: ffffffff839fe520 RDI: 000000038ec70788 [ 30.171381] RBP: ffff8801d929fb30 R08: 0000000000000001 R09: 0000000000000001 [ 30.178645] R10: 0000000000000000 R11: 1ffff1003b253f1a R12: ffff8801d7d31800 [ 30.185903] R13: 00000000814909c1 R14: 00000000814909c1 R15: ffff8800babfae00 [ 30.193164] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009a6d900 [ 30.201383] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.207255] CR2: 00007ffce244dc4c CR3: 00000001ce94e000 CR4: 0000000000160670 [ 30.214513] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.221766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.229019] Stack: [ 30.231160] ffff8801d7d31800 0000000000000080 dffffc0000000000 ffff8801c753dc80 [ 30.239213] ffff8801d929fb50 ffffffff81153bd5 ffff8801d7d31800 ffff8801d7d31800 [ 30.247261] ffff8801d929fba8 ffffffff811541d6 ffff8800bb29b300 ffffffff8115574b [ 30.255298] Call Trace: [ 30.257883] [] signal_wake_up_state+0x55/0x70 [ 30.264026] [] complete_signal+0x5b6/0x700 [ 30.269904] [] ? __send_signal+0x53b/0x1330 [ 30.275862] [] __send_signal+0x90f/0x1330 [ 30.281649] [] ? __send_signal+0x452/0x1330 [ 30.287609] [] send_signal+0x4a/0xc0 [ 30.292962] [] do_send_sig_info+0xa4/0x130 [ 30.298841] [] ? __lock_task_sighand+0x460/0x460 [ 30.305232] [] ? group_send_sig_info+0x95/0x170 [ 30.311539] [] group_send_sig_info+0xdd/0x170 [ 30.317671] [] ? kill_pid_info_as_cred+0x530/0x530 [ 30.324234] [] __kill_pgrp_info+0x90/0x120 [ 30.330107] [] SYSC_kill+0x366/0x5b0 [ 30.335457] [] ? kill_pid+0x30/0x30 [ 30.340732] [] ? __compat_put_timespec+0xd5/0x150 [ 30.347215] [] ? compat_put_timespec+0xbd/0xe0 [ 30.353440] [] ? compat_SyS_clock_gettime+0x132/0x1a0 [ 30.360272] [] ? compat_SyS_clock_settime+0x180/0x180 [ 30.367103] [] SyS_kill+0x1c/0x30 [ 30.372202] [] ? SyS_rt_sigtimedwait+0x40/0x40 [ 30.378430] [] do_fast_syscall_32+0x321/0x8a0 [ 30.384567] [] sysenter_flags_fixed+0xd/0x17 [ 30.390607] 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 [ 30.418076] RIP [] kick_process+0xdd/0x1c0 [ 30.424094] RSP [ 30.427713] ---[ end trace 3bbe08298abd9886 ]--- [ 30.432455] 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 2134580549 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 [ 1.100123] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.101273] pid_max: default: 32768 minimum: 301 [ 1.101974] ACPI: Core revision 20150930 [ 1.522534] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.524412] Security Framework initialized [ 1.524982] SELinux: Initializing. [ 1.525628] AppArmor: AppArmor disabled by boot time parameter [ 1.526523] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.527532] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.531209] Initializing cgroup subsys io [ 1.531821] Initializing cgroup subsys freezer [ 1.532465] Initializing cgroup subsys hugetlb [ 1.533115] Initializing cgroup subsys debug [ 1.533871] CPU: Physical Processor ID: 0 [ 1.535571] mce: CPU supports 32 MCE banks [ 1.536309] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.537148] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.538084] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.541218] Freeing SMP alternatives memory: 44K [ 1.550553] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.669426] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.671278] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.759658] x86: Booting SMP configuration: [ 1.760322] .... node #0, CPUs: #1 [ 1.761112] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.765766] x86: Booted up 1 node, 2 CPUs [ 1.766599] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.771172] devtmpfs: initialized [ 1.780430] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.782002] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.783638] xor: automatically using best checksumming function: [ 1.786569] kworker/u4:0 (21) used greatest stack depth: 27944 bytes left [ 1.879429] avx : 21646.400 MB/sec [ 1.880643] RTC time: 4:54:51, date: 03/10/18 [ 1.882883] NET: Registered protocol family 16 [ 1.884108] schedtune: init normalization constants... [ 1.884821] schedtune: no energy model data [ 1.885414] schedtune: disabled! [ 1.919600] cpuidle: using governor ladder [ 1.949458] cpuidle: using governor menu [ 1.950680] ACPI: bus type PCI registered [ 1.951275] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 1.954040] PCI: Using configuration type 1 for base access [ 1.960677] kworker/u4:1 (46) used greatest stack depth: 27448 bytes left [ 2.399402] raid6: sse2x1 gen() 4604 MB/s [ 2.569379] raid6: sse2x1 xor() 2508 MB/s [ 2.739365] raid6: sse2x2 gen() 7225 MB/s [ 2.909355] raid6: sse2x2 xor() 4017 MB/s [ 3.079322] raid6: sse2x4 gen() 9544 MB/s [ 3.249318] raid6: sse2x4 xor() 5257 MB/s [ 3.419303] raid6: avx2x1 gen() 8792 MB/s [ 3.589282] raid6: avx2x2 gen() 13379 MB/s [ 3.759267] raid6: avx2x4 gen() 17576 MB/s [ 3.759909] raid6: using algorithm avx2x4 gen() 17576 MB/s [ 3.760681] raid6: using avx2x2 recovery algorithm [ 3.761970] ACPI: Added _OSI(Module Device) [ 3.762603] ACPI: Added _OSI(Processor Device) [ 3.763308] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.763978] ACPI: Added _OSI(Processor Aggregator Device) [ 3.790968] ACPI: Executed 2 blocks of module-level executable AML code [ 4.639730] ACPI: Interpreter enabled [ 4.640736] ACPI: (supports S0 S3 S4 S5) [ 4.641299] ACPI: Using IOAPIC for interrupt routing [ 4.642424] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug