[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.959352] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.789186] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 26.073174] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available) [ 27.085188] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. 2018/05/18 02:50:39 parsed 1 programs 2018/05/18 02:50:39 executed programs: 0 [ 61.449104] IPVS: Creating netns size=2552 id=1 [ 61.635655] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.652819] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.739637] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.755117] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.839160] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.855040] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.870824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.887429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.508927] ip (3992) used greatest stack depth: 23520 bytes left [ 62.734800] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.783565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.287042] ================================================================== [ 64.294467] BUG: KASAN: use-after-free in l2tp_session_queue_purge+0xf4/0x100 [ 64.301831] Read of size 4 at addr ffff8801d8d38780 by task syz-executor0/4305 [ 64.309164] [ 64.310770] CPU: 0 PID: 4305 Comm: syz-executor0 Not tainted 4.4.132-g46155cc #40 [ 64.318941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.328290] 0000000000000000 f0b1a93d993956ab ffff8801d7287ad8 ffffffff81e0df8d [ 64.336287] ffffea0007634e00 ffff8801d8d38780 0000000000000000 ffff8801d8d38780 [ 64.344297] ffffffff82f18e30 ffff8801d7287b10 ffffffff8151526c ffff8801d8d38780 [ 64.352319] Call Trace: [ 64.354893] [] dump_stack+0xc1/0x124 [ 64.360233] [] ? sock_release+0x1c0/0x1c0 [ 64.366007] [] print_address_description+0x6c/0x216 [ 64.372651] [] ? sock_release+0x1c0/0x1c0 [ 64.378424] [] kasan_report.cold.7+0x175/0x2f7 [ 64.384636] [] ? l2tp_session_queue_purge+0xf4/0x100 [ 64.391363] [] __asan_report_load4_noabort+0x14/0x20 [ 64.398101] [] l2tp_session_queue_purge+0xf4/0x100 [ 64.405523] [] ? sock_release+0x1c0/0x1c0 [ 64.411299] [] pppol2tp_release+0x1ff/0x310 [ 64.417275] [] sock_release+0x96/0x1c0 [ 64.422800] [] sock_close+0x16/0x20 [ 64.428071] [] __fput+0x235/0x6f0 [ 64.433243] [] ____fput+0x15/0x20 [ 64.438322] [] task_work_run+0x10f/0x190 [ 64.444018] [] do_exit+0x9e5/0x26b0 [ 64.449273] [] ? handle_mm_fault+0x19d8/0x30b0 [ 64.455484] [] ? release_task.part.17+0x1200/0x1200 [ 64.462132] [] do_group_exit+0x111/0x330 [ 64.467827] [] ? do_group_exit+0x330/0x330 [ 64.473689] [] SyS_exit_group+0x1d/0x20 [ 64.479292] [] do_fast_syscall_32+0x326/0x8b0 [ 64.485424] [] sysenter_flags_fixed+0xd/0x17 [ 64.491455] [ 64.493056] Allocated by task 4302: [ 64.496672] [] save_stack_trace+0x26/0x50 [ 64.502586] [] save_stack+0x43/0xd0 [ 64.508009] [] kasan_kmalloc+0xc7/0xe0 [ 64.513655] [] __kmalloc+0x124/0x310 [ 64.519141] [] l2tp_session_create+0x39/0x1030 [ 64.525488] [] pppol2tp_connect+0x10f0/0x1910 [ 64.531763] [] SYSC_connect+0x1b8/0x300 [ 64.537603] [] SyS_connect+0x24/0x30 [ 64.543067] [] do_fast_syscall_32+0x326/0x8b0 [ 64.549315] [] sysenter_flags_fixed+0xd/0x17 [ 64.555478] [ 64.557089] Freed by task 4287: [ 64.560340] [] save_stack_trace+0x26/0x50 [ 64.566262] [] save_stack+0x43/0xd0 [ 64.571646] [] kasan_slab_free+0x72/0xc0 [ 64.577451] [] kfree+0xf4/0x310 [ 64.582472] [] l2tp_session_free+0x170/0x200 [ 64.588633] [] l2tp_tunnel_closeall+0x2b9/0x350 [ 64.595048] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 64.601466] [] udpv6_destroy_sock+0xb1/0xd0 [ 64.607546] [] sk_common_release+0x6d/0x300 [ 64.613618] [] udp_lib_close+0x15/0x20 [ 64.619254] [] inet_release+0xff/0x1d0 [ 64.624891] [] inet6_release+0x50/0x70 [ 64.630546] [] sock_release+0x96/0x1c0 [ 64.636186] [] sock_close+0x16/0x20 [ 64.641566] [] __fput+0x235/0x6f0 [ 64.646764] [] ____fput+0x15/0x20 [ 64.651964] [] task_work_run+0x10f/0x190 [ 64.657767] [] do_exit+0x9e5/0x26b0 [ 64.663140] [] do_group_exit+0x111/0x330 [ 64.668955] [] SyS_exit_group+0x1d/0x20 [ 64.675413] [] do_fast_syscall_32+0x326/0x8b0 [ 64.681703] [] sysenter_flags_fixed+0xd/0x17 [ 64.687887] [ 64.689498] The buggy address belongs to the object at ffff8801d8d38780 [ 64.689498] which belongs to the cache kmalloc-512 of size 512 [ 64.702135] The buggy address is located 0 bytes inside of [ 64.702135] 512-byte region [ffff8801d8d38780, ffff8801d8d38980) [ 64.713812] The buggy address belongs to the page: [ 64.719360] kasan: CONFIG_KASAN_INLINE enabled [ 64.723779] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 64.736742] Dumping ftrace buffer: [ 64.740271] (ftrace buffer empty) [ 64.743972] Modules linked in: [ 64.747289] CPU: 1 PID: 3783 Comm: syz-executor0 Not tainted 4.4.132-g46155cc #40 [ 64.754899] Hardware name: Google Google Compute Engine/Google CSeaBIOS (version 1.8.2-20171130_102032-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 0x000f2350: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b5226e input_len: 0x00000000014cb8de output: 0x0000000001000000 output_len: 0x0000000004008a40 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 4.4.132-g46155cc (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #40 SMP PREEMPT Wed May 16 10:18:23 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 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] 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] 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 0x000f23d0-0x000f23df] mapped at [ffff8800000f23d0] [ 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 0x00000000000F2390 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 2395401705 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 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 (41752K kernel code, 6301K rwdata, 9048K 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 [ 1.402431] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.403750] pid_max: default: 32768 minimum: 301 [ 1.404663] ACPI: Core revision 20150930 [ 1.840120] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.841668] Security Framework initialized [ 1.842346] SELinux: Initializing. [ 1.843035] AppArmor: AppArmor disabled by boot time parameter [ 1.844079] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.845102] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.849069] Initializing cgroup subsys io [ 1.849820] Initializing cgroup subsys freezer [ 1.850501] Initializing cgroup subsys hugetlb [ 1.851178] Initializing cgroup subsys debug [ 1.852097] CPU: Physical Processor ID: 0 [ 1.854059] mce: CPU supports 32 MCE banks [ 1.854844] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.855733] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.857245] Spectre V2 : Mitigation: Full generic retpoline [ 1.860615] Freeing SMP alternatives memory: 48K [ 1.870115] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.981611] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.983341] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.071993] x86: Booting SMP configuration: [ 2.072800] .... node #0, CPUs: #1 [ 2.073895] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 2.079023] x86: Booted up 1 node, 2 CPUs [ 2.079736] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.083920] devtmpfs: initialized [ 2.094644] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.096303] futex hash table entries: 512 (order: 4, 65536 bytes) [ 2.098162] xor: automatically using best checksumming function: [ 2.110253] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 2.191594] avx : 21487.200 MB/sec [ 2.192995] RTC time: 2:50:48, date: 05/18/18 [ 2.196424] NET: Registered protocol family 16 [ 2.197720] schedtune: init normalization constants... [ 2.198893] schedtune: no energy model data [ 2.199535] schedtune: disabled! [ 2.229401] cpuidle: using governor ladder [ 2.258962] cpuidle: using governor menu [ 2.260468] ACPI: bus type PCI registered [ 2.261228] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.264600] PCI: Using configuration type 1 for base access [ 2.276990] kworker/u4:0 (39) used greatest stack depth: 27424 bytes left [ 2.721511] raid6: sse2x1 gen() 4605 MB/s [ 2.891471] raid6: sse2x1 xor() 2593 MB/s [ 3.061431] raid6: sse2x2 gen() 6928 MB/s [ 3.231397] raid6: sse2x2 xor() 3977 MB/s [ 3.401367] raid6: sse2x4 gen() 8636 MB/s [ 3.571341] raid6: sse2x4 xor() 5167 MB/s [ 3.741325] raid6: avx2x1 gen() 8961 MB/s [ 3.911272] raid6: avx2x2 gen() 14291 MB/s [ 4.081243] raid6: avx2x4 gen() 18928 MB/s [ 4.082192] raid6: using algorithm avx2x4 gen() 18928 MB/s [ 4.082966] raid6: using avx2x2 recovery algorithm [ 4.084379] ACPI: Added _OSI(Module Device) [ 4.085002] ACPI: Added _OSI(Processor Device) [ 4.085634] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.086508] ACPI: Added _OSI(Processor Aggregator Device) [ 4.113829] ACPI: Executed 2 blocks of module-level executable AML code [ 5.089185] ACPI: Interpreter enabled [ 5.090235] ACPI: (supports S0 S3 S4 S5) [ 5.090838] ACPI: Using IOAPIC for interrupt routing [ 5.092027] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.394552] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.395666] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.397066] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.398409] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.428605] PCI host bridge to bus 0000:00 [ 6.429285] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.430278] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.431220] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.432286] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.433316] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.480679] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.582555] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.589865] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.596897] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.604583] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.609097] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)