INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. 2018/07/20 23:08:31 parsed 1 programs 2018/07/20 23:08:33 executed programs: 0 [ 1066.026177] IPVS: Creating netns size=2552 id=1 [ 1066.233446] ================================================================== [ 1066.240886] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xf4/0x100 [ 1066.248150] Read of size 4 at addr ffff8801d94e1b80 by task syz-executor0/4056 [ 1066.255491] [ 1066.257096] CPU: 0 PID: 4056 Comm: syz-executor0 Not tainted 4.4.141-g1b37d68 #7 [ 1066.264601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1066.273974] 0000000000000000 c9ca330f249731f4 ffff8800b7bd7c78 ffffffff81e0e18d [ 1066.282016] ffffea0007653800 ffff8801d94e1b80 0000000000000000 ffff8801d94e1b80 [ 1066.290019] ffffffff82f1a380 ffff8800b7bd7cb0 ffffffff81515a86 ffff8801d94e1b80 [ 1066.298022] Call Trace: [ 1066.300648] [] dump_stack+0xc1/0x124 [ 1066.306024] [] ? sock_release+0x1c0/0x1c0 [ 1066.311823] [] print_address_description+0x6c/0x216 [ 1066.318475] [] ? sock_release+0x1c0/0x1c0 [ 1066.324254] [] kasan_report.cold.7+0x175/0x2f7 [ 1066.330569] [] ? l2tp_session_queue_purge+0xf4/0x100 [ 1066.337350] [] __asan_report_load4_noabort+0x14/0x20 [ 1066.344090] [] l2tp_session_queue_purge+0xf4/0x100 [ 1066.350653] [] ? sock_release+0x1c0/0x1c0 [ 1066.356437] [] pppol2tp_release+0x1ff/0x310 [ 1066.362386] [] sock_release+0x96/0x1c0 [ 1066.367902] [] sock_close+0x16/0x20 [ 1066.373170] [] __fput+0x235/0x6f0 [ 1066.378249] [] ____fput+0x15/0x20 [ 1066.383399] [] task_work_run+0x10f/0x190 [ 1066.389090] [] exit_to_usermode_loop+0x13d/0x160 [ 1066.395473] [] do_fast_syscall_32+0x620/0x8b0 [ 1066.401632] [] sysenter_flags_fixed+0xd/0x17 [ 1066.407671] [ 1066.409273] Allocated by task 4056: [ 1066.412868] [] save_stack_trace+0x26/0x50 [ 1066.418776] [] save_stack+0x43/0xd0 [ 1066.424172] [] kasan_kmalloc+0xc7/0xe0 [ 1066.429847] [] __kmalloc+0x124/0x310 [ 1066.435318] [] l2tp_session_create+0x39/0x1030 [ 1066.441665] [] pppol2tp_connect+0x10f0/0x1910 [ 1066.447906] [] SYSC_connect+0x1b8/0x300 [ 1066.453633] [] SyS_connect+0x24/0x30 [ 1066.459091] [] do_fast_syscall_32+0x326/0x8b0 [ 1066.465336] [] sysenter_flags_fixed+0xd/0x17 [ 1066.471575] [ 1066.473173] Freed by task 4055: [ 1066.476430] [] save_stack_trace+0x26/0x50 [ 1066.482322] [] save_stack+0x43/0xd0 [ 1066.487704] [] kasan_slab_free+0x72/0xc0 [ 1066.493696] [] kfree+0xf4/0x310 [ 1066.498738] [] l2tp_session_free+0x170/0x200 [ 1066.504917] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 1066.511346] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 1066.517764] [] udpv6_destroy_sock+0xb1/0xd0 [ 1066.523888] [] sk_common_release+0x6d/0x300 [ 1066.529977] [] udp_lib_close+0x15/0x20 [ 1066.535622] [] inet_release+0xff/0x1d0 [ 1066.541277] [] inet6_release+0x50/0x70 [ 1066.546948] [] sock_release+0x96/0x1c0 [ 1066.552581] [] sock_close+0x16/0x20 [ 1066.557977] [] __fput+0x235/0x6f0 [ 1066.563176] [] ____fput+0x15/0x20 [ 1066.568454] [] task_work_run+0x10f/0x190 [ 1066.574260] [] exit_to_usermode_loop+0x13d/0x160 [ 1066.580758] [] do_fast_syscall_32+0x620/0x8b0 [ 1066.586991] [] sysenter_flags_fixed+0xd/0x17 [ 1066.593147] [ 1066.594758] The buggy address belongs to the object at ffff8801d94e1b80 [ 1066.594758] which belongs to the cache kmalloc-512 of size 512 [ 1066.607385] The buggy address is located 0 bytes inside of [ 1066.607385] 512-byte region [ffff8801d94e1b80, ffff8801d94e1d80) [ 1066.619058] The buggy address belongs to the page: [ 1066.642814] ------------[ cut here ]------------ [ 1066.647611] WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:973 __bfs+0x2aa/0x5f0() [ 1066.655686] Kernel panic - not syncing: panic_on_warn set ... [ 1066.655686] [ 1066.663056] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.141-g1b37d68 #7 [ 1066.669979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1066.679321] 0000000000000000 255e16ce1198b62a ffff8801db3076f8 ffffffff81e0e18d [ 1066.687450] ffffffff83a44200 ffff8801d9a41800 ffffffff83a56060 0000000000000009 [ 1066.695554] 00000000000003cd ffff8801db3077b8 ffffffff8140a1f4 0000000041b58ab3 [ 1066.703568] Call Trace: [ 1066.706122] [] dump_stack+0xc1/0x124 [ 1066.712217] [] panic+0x19e/0x38d [ 1066.717223] [] ? add_taint.cold.4+0x16/0x16 [ 1066.723180] [] ? warn_slowpath_common.cold.6+0x5/0x20 [ 1066.730974] [] warn_slowpath_common.cold.6+0x20/0x20 [ 1066.737716] [] ? __bfs+0x2aa/0x5f0 [ 1066.742878] [] ? noop_count+0x40/0x40 [ 1066.748324] [] warn_slowpath_null+0x29/0x30 [ 1066.754268] [] __bfs+0x2aa/0x5f0 [ 1066.759290] [] ? __module_text_address+0x13/0x140 [ 1066.765773] [] check_usage_forwards+0x126/0x2e0 [ 1066.772070] [] ? print_shortest_lock_dependencies+0x80/0x80 [ 1066.779416] [] ? dump_trace+0x184/0x360 [ 1066.785034] [] ? save_stack_trace+0x26/0x50 [ 1066.790991] [] ? save_trace+0xe0/0x250 [ 1066.796511] [] mark_lock+0x6de/0x1280 [ 1066.801944] [] ? __lock_is_held+0xa2/0xf0 [ 1066.807715] [] ? print_shortest_lock_dependencies+0x80/0x80 [ 1066.815064] [] __lock_acquire+0x10a1/0x5270 [ 1066.821051] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 1066.827943] [] ? __lock_is_held+0xa2/0xf0 [ 1066.833719] [] ? debug_check_no_locks_freed+0x210/0x210 [ 1066.840712] [] lock_acquire+0x15e/0x450 [ 1066.846360] [] ? try_to_wake_up+0x2c/0xf00 [ 1066.852231] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 1066.859226] [] _raw_spin_lock_irqsave+0x4e/0x70 [ 1066.865540] [] ? try_to_wake_up+0x2c/0xf00 [ 1066.871418] [] try_to_wake_up+0x2c/0xf00 [ 1066.877110] [] ? __lock_is_held+0xa2/0xf0 [ 1066.882900] [] wake_up_process+0x15/0x20 [ 1066.888656] [] process_timeout+0x15/0x20 [ 1066.894350] [] call_timer_fn+0x18c/0x870 [ 1066.900041] [] ? call_timer_fn+0xda/0x870 [ 1066.905849] [] ? debug_object_deactivate+0x214/0x340 [ 1066.912599] [] ? init_timer_key+0x330/0x330 [ 1066.918952] [] ? process_timeout+0x20/0x20 [ 1066.924912] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1066.931212] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 1066.938038] [] run_timer_softirq+0x642/0xb90 [ 1066.944074] [] ? init_timer_key+0x330/0x330 [ 1066.950022] [] ? call_timer_fn+0x870/0x870 [ 1066.955880] [] __do_softirq+0x22c/0xa1a [ 1066.961498] [] irq_exit+0x10d/0x140 [ 1066.966774] [] smp_apic_timer_interrupt+0x81/0xa0 [ 1066.973265] [] apic_timer_interrupt+0xa0/0xb0 [ 1066.979385] [] ? native_safe_halt+0x6/0x10 [ 1066.986048] [] default_idle+0x55/0x3c0 [ 1066.991561] [] arch_cpu_idle+0x10/0x20 [ 1066.997082] [] default_idle_call+0x57/0x70 [ 1067.002942] [] cpu_startup_entry+0x6af/0x780 [ 1067.008975] [] ? call_cpuidle+0xe0/0xe0 [ 1067.014609] [] start_secondary+0x324/0x400 [ 1067.020474] [] ? set_cpu_sibling_map+0x1180/0x1180 SeaBIOS (version 1.8.2-20171012_061934-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 0x000f2290: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b5126e input_len: 0x00000000014cc9d8 output: 0x0000000001000000 output_len: 0x0000000004008a90 run_size: 0x0000000005752000 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 4.4.141-g1b37d68 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #7 SMP PREEMPT Wed Jul 18 22:46:07 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=140 nopti [ 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] 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] Kernel/User page tables isolation: disabled [ 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 0x000f2310-0x000f231f] mapped at [ffff8800000f2310] [ 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 0x00000000000F22D0 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 2123163875 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=140 nopti [ 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: 6579092K/7863876K available (41762K kernel code, 6303K rwdata, 9052K rodata, 1864K init, 23696K bss, 1284784K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 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 [ 1.293056] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.294250] pid_max: default: 32768 minimum: 301 [ 1.294964] ACPI: Core revision 20150930 [ 1.722663] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.724037] Security Framework initialized [ 1.724697] SELinux: Initializing. [ 1.725563] AppArmor: AppArmor disabled by boot time parameter [ 1.726674] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.727703] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.731613] Initializing cgroup subsys io [ 1.732569] Initializing cgroup subsys freezer [ 1.733370] Initializing cgroup subsys hugetlb [ 1.734087] Initializing cgroup subsys debug [ 1.734890] CPU: Physical Processor ID: 0 [ 1.736961] mce: CPU supports 32 MCE banks [ 1.737823] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.738719] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.739731] Spectre V2 : Mitigation: Full generic retpoline [ 1.742976] Freeing SMP alternatives memory: 48K [ 1.754647] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.872376] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.873940] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.962677] x86: Booting SMP configuration: [ 1.963457] .... node #0, CPUs: #1 [ 1.964438] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.969374] x86: Booted up 1 node, 2 CPUs [ 1.970029] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.974440] devtmpfs: initialized [ 1.985116] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.986618] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.988326] xor: automatically using best checksumming function: [ 2.000673] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 2.082406] avx : 23420.400 MB/sec [ 2.083680] RTC time: 23:08:40, date: 07/20/18 [ 2.086936] NET: Registered protocol family 16 [ 2.088217] schedtune: init normalization constants... [ 2.088975] schedtune: no energy model data [ 2.089689] schedtune: disabled! [ 2.122626] cpuidle: using governor ladder [ 2.152434] cpuidle: using governor menu [ 2.153915] ACPI: bus type PCI registered [ 2.154505] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.157565] PCI: Using configuration type 1 for base access [ 2.165303] kworker/u4:1 (45) used greatest stack depth: 27424 bytes left [ 2.642317] raid6: sse2x1 gen() 4539 MB/s [ 2.812302] raid6: sse2x1 xor() 2552 MB/s [ 2.982284] raid6: sse2x2 gen() 6882 MB/s [ 3.152262] raid6: sse2x2 xor() 4020 MB/s [ 3.322241] raid6: sse2x4 gen() 8625 MB/s [ 3.492229] raid6: sse2x4 xor() 5182 MB/s [ 3.662215] raid6: avx2x1 gen() 9213 MB/s [ 3.832187] raid6: avx2x2 gen() 14472 MB/s [ 4.002167] raid6: avx2x4 gen() 19072 MB/s [ 4.002865] raid6: using algorithm avx2x4 gen() 19072 MB/s [ 4.003610] raid6: using avx2x2 recovery algorithm [ 4.005016] ACPI: Added _OSI(Module Device) [ 4.005651] ACPI: Added _OSI(Processor Device) [ 4.006281] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.006955] ACPI: Added _OSI(Processor Aggregator Device) [ 4.033987] ACPI: Executed 2 blocks of module-level executable AML code [ 4.967230] ACPI: Interpreter enabled [ 4.968228] ACPI: (supports S0 S3 S4 S5) [ 4.968800] ACPI: Using IOAPIC for interrupt routing [ 4.969967] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug