[ 0.000000][ T0] Linux version 5.7.0-rc3-next-20200430-syzkaller (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000004][ T0] kvm-clock: cpu 0, msr be42001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 4005219076 cycles [ 0.001872][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005293][ T0] tsc: Detected 2300.000 MHz processor [ 0.008358][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.010023][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011445][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018900][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.020083][ T0] check: Scanning 1 areas for low memory corruption [ 0.022438][ T0] Using GB pages for direct mapping [ 0.026486][ T0] ACPI: Early table checksum verification disabled [ 0.027919][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.029248][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.031592][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.034100][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.036413][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.037804][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.038680][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.040226][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.042784][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.044848][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.047636][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.048597][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.049678][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.051188][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.053167][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.054408][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.056655][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.059291][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.061136][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.063860][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.067603][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.145395][ T0] Zone ranges: [ 0.146331][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.147958][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.149383][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.151156][ T0] Device empty [ 0.151928][ T0] Movable zone start for each node [ 0.152852][ T0] Early memory node ranges [ 0.153544][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.154991][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.157003][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.158643][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.160096][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.160103][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.190953][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.838343][ T0] kasan: KernelAddressSanitizer initialized [ 0.840299][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.841197][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.843677][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.845169][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.847125][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.849034][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.850357][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.852285][ T0] Using ACPI (MADT) for SMP configuration information [ 0.853730][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.855493][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.857413][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.858878][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.860370][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.862283][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.864730][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.866045][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.867308][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.868471][ T0] Booting paravirtualized kernel on KVM [ 0.869281][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.925530][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.929760][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.931045][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.932291][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.933522][ T0] Policy zone: Normal [ 0.934301][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.946967][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.025074][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17329K rwdata, 21708K rodata, 2776K init, 24504K bss, 1402688K reserved, 0K cma-reserved) [ 2.035607][ T0] Running RCU self tests [ 2.036597][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.037626][ T0] rcu: RCU lockdep checking is enabled. [ 2.038459][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 2.040344][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.041404][ T0] Trampoline variant of Tasks RCU enabled. [ 2.042250][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.043409][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.053025][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.054869][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 2.059327][ T0] Console: colour VGA+ 80x25 [ 2.062341][ T0] printk: console [ttyS0] enabled [ 2.062341][ T0] printk: console [ttyS0] enabled [ 2.063837][ T0] printk: bootconsole [earlyser0] disabled [ 2.063837][ T0] printk: bootconsole [earlyser0] disabled [ 2.065682][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.067240][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.068126][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.068967][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.069780][ T0] ... CLASSHASH_SIZE: 4096 [ 2.070660][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.071392][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.072137][ T0] ... CHAINHASH_SIZE: 32768 [ 2.072935][ T0] memory used by lock dependency info: 6301 kB [ 2.073793][ T0] memory used for stack traces: 4224 kB [ 2.074748][ T0] per task-struct memory footprint: 1920 bytes [ 2.076160][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.077921][ T0] ACPI: Core revision 20200326 [ 2.081155][ T0] APIC: Switch to symmetric I/O mode setup [ 2.082736][ T0] x2apic enabled [ 2.084425][ T0] Switched APIC routing to physical x2apic. [ 2.089125][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.090449][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.093194][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.094741][ T0] pid_max: default: 32768 minimum: 301 [ 2.097146][ T0] LSM: Security Framework initializing [ 2.098162][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.099343][ T0] Yama: becoming mindful. [ 2.100221][ T0] TOMOYO Linux initialized [ 2.104837][ T0] AppArmor: AppArmor initialized [ 2.115130][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 2.121750][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 2.123589][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.124925][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.131167][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 2.132292][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 2.133239][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.134584][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.134619][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.138779][ T0] MDS: Mitigation: Clear CPU buffers [ 2.140546][ T0] Freeing SMP alternatives memory: 96K [ 2.264556][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.267705][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.269635][ T1] rcu: Hierarchical SRCU implementation. [ 2.271106][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.275215][ T1] smp: Bringing up secondary CPUs ... [ 2.281941][ T1] x86: Booting SMP configuration: [ 2.282936][ T1] .... node #0, CPUs: #1 [ 0.028477][ T0] kvm-clock: cpu 1, msr be42041, secondary cpu clock [ 2.286042][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.286042][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.286550][ T1] smpboot: Max logical packages: 1 [ 2.287367][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.294532][ T1] devtmpfs: initialized [ 2.294989][ T1] x86/mm: Memory block size: 128MB [ 2.327494][ T22] kworker/u4:0 (22) used greatest stack depth: 27456 bytes left [ 2.327494][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.327494][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.334655][ T1] xor: automatically using best checksumming function avx [ 2.337240][ T1] PM: RTC time: 05:50:00, date: 2020-05-01 [ 2.338267][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.338271][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.345295][ T1] NET: Registered protocol family 16 [ 2.351328][ T1] audit: initializing netlink subsys (disabled) [ 2.352527][ T27] audit: type=2000 audit(1588312200.855:1): state=initialized audit_enabled=0 res=1 [ 2.357838][ T1] cpuidle: using governor menu [ 2.363233][ T1] ACPI: bus type PCI registered [ 2.365160][ T1] dca service started, version 1.12.1 [ 2.367975][ T1] PCI: Using configuration type 1 for base access [ 2.426161][ T152] kworker/u4:3 (152) used greatest stack depth: 26544 bytes left [ 2.945587][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.945587][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.945587][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.974680][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.173250][ T1] raid6: avx2x4 gen() 10469 MB/s [ 3.343192][ T1] raid6: avx2x4 xor() 5417 MB/s [ 3.510363][ T1] raid6: avx2x2 gen() 7868 MB/s [ 3.680366][ T1] raid6: avx2x2 xor() 3578 MB/s [ 3.850372][ T1] raid6: avx2x1 gen() 4438 MB/s [ 4.020369][ T1] raid6: avx2x1 xor() 1942 MB/s [ 4.190363][ T1] raid6: sse2x4 gen() 5873 MB/s [ 4.360359][ T1] raid6: sse2x4 xor() 3053 MB/s [ 4.530359][ T1] raid6: sse2x2 gen() 4114 MB/s [ 4.700357][ T1] raid6: sse2x2 xor() 1860 MB/s [ 4.870357][ T1] raid6: sse2x1 gen() 2346 MB/s [ 5.040356][ T1] raid6: sse2x1 xor() 984 MB/s [ 5.041187][ T1] raid6: using algorithm avx2x4 gen() 10469 MB/s [ 5.042119][ T1] raid6: .... xor() 5417 MB/s, rmw enabled [ 5.043198][ T1] raid6: using avx2x2 recovery algorithm [ 5.045423][ T1] ACPI: Added _OSI(Module Device) [ 5.046203][ T1] ACPI: Added _OSI(Processor Device) [ 5.046932][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 5.047912][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 5.048868][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 5.049746][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 5.050675][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 5.105178][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 5.171220][ T1] ACPI: Interpreter enabled [ 5.172508][ T1] ACPI: (supports S0 S3 S4 S5) [ 5.173321][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.174518][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.178633][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 5.283433][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.284913][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 5.286980][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.295866][ T1] PCI host bridge to bus 0000:00 [ 5.296876][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.298091][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.299326][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.300424][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.301590][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.302847][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.303512][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 5.312086][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 5.334822][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 5.353273][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.358522][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 5.366280][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 5.371277][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 5.389111][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 5.397620][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 5.403229][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 5.422145][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 5.429480][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 5.435257][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.469636][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.474805][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.479664][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.484122][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.487782][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.497778][ T1] iommu: Default domain type: Translated [ 5.498652][ T1] vgaarb: loaded [ 5.505001][ T1] SCSI subsystem initialized [ 5.507957][ T1] ACPI: bus type USB registered [ 5.509446][ T1] usbcore: registered new interface driver usbfs [ 5.513775][ T1] usbcore: registered new interface driver hub [ 5.515131][ T1] usbcore: registered new device driver usb [ 5.518182][ T1] mc: Linux media interface: v0.10 [ 5.519084][ T1] videodev: Linux video capture interface: v2.00 [ 5.521368][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.522409][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.525352][ T1] PTP clock support registered [ 5.525895][ T1] EDAC MC: Ver: 3.0.0 [ 5.534100][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.536750][ T1] PCI: Using ACPI for IRQ routing [ 5.539033][ T1] Bluetooth: Core ver 2.22 [ 5.540073][ T1] NET: Registered protocol family 31 [ 5.540927][ T1] Bluetooth: HCI device and connection manager initialized [ 5.542240][ T1] Bluetooth: HCI socket layer initialized [ 5.543146][ T1] Bluetooth: L2CAP socket layer initialized [ 5.544175][ T1] Bluetooth: SCO socket layer initialized [ 5.545120][ T1] NET: Registered protocol family 8 [ 5.545872][ T1] NET: Registered protocol family 20 [ 5.547026][ T1] NetLabel: Initializing [ 5.547738][ T1] NetLabel: domain hash size = 128 [ 5.548459][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.550246][ T1] NetLabel: unlabeled traffic allowed by default [ 5.553911][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.555159][ T1] NET: Registered protocol family 39 [ 5.556427][ T1] clocksource: Switched to clocksource kvm-clock [ 8.292457][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.293696][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 8.295967][ T1] FS-Cache: Loaded [ 8.297913][ T1] CacheFiles: Loaded [ 8.298866][ T1] TOMOYO: 2.6.0 [ 8.299604][ T1] Mandatory Access Control activated. [ 8.302260][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.303831][ T1] pnp: PnP ACPI init [ 8.319037][ T1] pnp: PnP ACPI: found 7 devices [ 8.375169][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.376956][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.378097][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.379217][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.380472][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.383860][ T1] NET: Registered protocol family 2 [ 8.387963][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 8.390212][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.401912][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 8.407290][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.411927][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.415113][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.417355][ T1] [ 8.417768][ T1] ============================= [ 8.418653][ T1] WARNING: suspicious RCU usage [ 8.419409][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 8.420424][ T1] ----------------------------- [ 8.421203][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 8.422513][ T1] [ 8.422513][ T1] other info that might help us debug this: [ 8.422513][ T1] [ 8.425219][ T1] [ 8.425219][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 8.426468][ T1] 1 lock held by swapper/0/1: [ 8.427188][ T1] #0: ffffffff8a7a6df0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 8.429051][ T1] [ 8.429051][ T1] stack backtrace: [ 8.429965][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 8.431416][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.433373][ T1] Call Trace: [ 8.433899][ T1] dump_stack+0x18f/0x20d [ 8.434596][ T1] ipmr_get_table+0x130/0x160 [ 8.434596][ T1] ipmr_net_init+0x133/0x430 [ 8.434596][ T1] ? ipmr_net_exit+0x100/0x100 [ 8.434596][ T1] ops_init+0xaf/0x420 [ 8.434596][ T1] register_pernet_operations+0x346/0x840 [ 8.434596][ T1] ? setup_net+0x860/0x860 [ 8.434596][ T1] ? down_write_killable+0x170/0x170 [ 8.434596][ T1] ? cpus_read_unlock+0xa4/0x140 [ 8.434596][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 8.434596][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 8.434596][ T1] register_pernet_subsys+0x25/0x40 [ 8.434596][ T1] ip_mr_init+0x36/0x168 [ 8.434596][ T1] inet_init+0x298/0x424 [ 8.434596][ T1] do_one_initcall+0x10a/0x7d0 [ 8.434596][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 8.434596][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 8.434596][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 8.434596][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 8.434596][ T1] kernel_init_freeable+0x501/0x5ae [ 8.434596][ T1] ? rest_init+0x365/0x365 [ 8.434596][ T1] kernel_init+0xd/0x1bb [ 8.434596][ T1] ret_from_fork+0x24/0x30 [ 8.452465][ T1] NET: Registered protocol family 1 [ 8.455906][ T1] RPC: Registered named UNIX socket transport module. [ 8.457136][ T1] RPC: Registered udp transport module. [ 8.458185][ T1] RPC: Registered tcp transport module. [ 8.459050][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.461961][ T1] NET: Registered protocol family 44 [ 8.462842][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.464379][ T1] PCI: CLS 0 bytes, default 64 [ 8.470598][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.471818][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.477220][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.481964][ T1] kvm: already loaded the other module [ 8.482980][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.488561][ T1] clocksource: Switched to clocksource tsc [ 8.489699][ T1] mce: Machine check injector initialized [ 8.495187][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.562910][ T1] Initialise system trusted keyrings [ 8.565230][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.567581][ T1] zbud: loaded [ 8.574973][ T1] DLM installed [ 8.578717][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.586869][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.589364][ T1] NFS: Registering the id_resolver key type [ 8.590365][ T1] Key type id_resolver registered [ 8.591222][ T1] Key type id_legacy registered [ 8.592054][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.594185][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.600450][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.603737][ T1] Key type cifs.spnego registered [ 8.604910][ T1] Key type cifs.idmap registered [ 8.605847][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.608024][ T1] fuse: init (API version 7.31) [ 8.612082][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.628817][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.634268][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.635338][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.637055][ T1] ocfs2: Registered cluster interface o2cb [ 8.638633][ T1] ocfs2: Registered cluster interface user [ 8.640181][ T1] OCFS2 User DLM kernel interface loaded [ 8.651860][ T1] gfs2: GFS2 installed [ 8.656236][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.657823][ T1] ceph: loaded (mds proto 32) [ 8.670567][ T1] NET: Registered protocol family 38 [ 8.672294][ T1] async_tx: api initialized (async) [ 8.673402][ T1] Key type asymmetric registered [ 8.674479][ T1] Asymmetric key parser 'x509' registered [ 8.675358][ T1] Asymmetric key parser 'pkcs8' registered [ 8.676246][ T1] Key type pkcs7_test registered [ 8.676964][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.678504][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.680564][ T1] io scheduler mq-deadline registered [ 8.681344][ T1] io scheduler kyber registered [ 8.683756][ T1] io scheduler bfq registered [ 8.697823][ T1] hgafb: HGA card not detected. [ 8.699346][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.700936][ T1] usbcore: registered new interface driver udlfb [ 8.706863][ T1] uvesafb: failed to execute /sbin/v86d [ 8.707883][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.709314][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.710966][ T1] uvesafb: vbe_init() failed with -22 [ 8.711880][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.714191][ T1] vga16fb: mapped to 0x000000000b3f7b84 [ 8.782574][ T1] Console: switching to colour frame buffer device 80x30 [ 9.072377][ T1] fb0: VGA16 VGA frame buffer device [ 9.075393][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 9.094084][ T1] ACPI: Power Button [PWRF] [ 9.095828][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 9.098306][ T1] ACPI: Sleep Button [SLPF] [ 9.105502][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.120396][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 9.121500][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 9.138475][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 9.139595][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 9.160325][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 9.161505][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 9.466057][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.467374][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.470573][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.478654][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.484930][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.490887][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.499236][ T1] Cyclades driver 2.6 [ 9.500641][ T1] Initializing Nozomi driver 2.1d [ 9.502807][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.505385][ T1] No rocketport ports found; unloading driver [ 9.508978][ T1] Non-volatile memory driver v1.3 [ 9.511035][ T1] Linux agpgart interface v0.103 [ 9.521000][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.522756][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.527125][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.528569][ T1] usbcore: registered new interface driver udl [ 9.584452][ T1] brd: module loaded [ 9.622765][ T1] loop: module loaded [ 9.800444][ T1] zram: Added device: zram0 [ 9.808175][ T1] null_blk: module loaded [ 9.815473][ T1] nfcsim 0.2 initialized [ 9.819371][ T1] Loading iSCSI transport class v2.0-870. [ 9.849864][ T1] scsi host0: Virtio SCSI HBA [ 9.899536][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.903073][ T56] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.925859][ T1] slram: not enough parameters. [ 9.939634][ T1] ftl_cs: FTL header not found. [ 10.008301][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 10.010464][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 10.013067][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 10.029859][ T1] MACsec IEEE 802.1AE [ 10.032833][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 10.089007][ T1] vcan: Virtual CAN interface driver [ 10.090178][ T1] vxcan: Virtual CAN Tunnel driver [ 10.090987][ T1] slcan: serial line CAN interface driver [ 10.092410][ T1] slcan: 10 dynamic interface channels. [ 10.093808][ T1] CAN device driver interface [ 10.096122][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 10.097365][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 10.099253][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 10.100435][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 10.104551][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 10.105559][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 10.109857][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 10.111011][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 10.111918][ T1] AX.25: bpqether driver version 004 [ 10.112752][ T1] PPP generic driver version 2.4.2 [ 10.115322][ T1] PPP BSD Compression module registered [ 10.116558][ T1] PPP Deflate Compression module registered [ 10.117490][ T1] PPP MPPE Compression module registered [ 10.119116][ T1] NET: Registered protocol family 24 [ 10.120174][ T1] PPTP driver version 0.8.5 [ 10.121855][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 10.124792][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 10.126117][ T1] SLIP linefill/keepalive option. [ 10.126937][ T1] hdlc: HDLC support module revision 1.22 [ 10.127848][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 10.129501][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 10.130763][ T1] LAPB Ethernet driver version 0.02 [ 10.132267][ T1] usbcore: registered new interface driver rndis_wlan [ 10.134279][ T1] mac80211_hwsim: initializing netlink [ 10.171608][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 10.174434][ T2647] kworker/u4:3 (2647) used greatest stack depth: 25936 bytes left [ 10.184982][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 10.200531][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.204781][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 10.206365][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 10.210489][ T1] usbcore: registered new interface driver pegasus [ 10.212126][ T1] usbcore: registered new interface driver rtl8150 [ 10.214219][ T1] usbcore: registered new interface driver r8152 [ 10.216174][ T1] usbcore: registered new interface driver asix [ 10.218016][ T1] usbcore: registered new interface driver ax88179_178a [ 10.219868][ T1] usbcore: registered new interface driver cdc_ether [ 10.221720][ T1] usbcore: registered new interface driver dm9601 [ 10.224606][ T1] usbcore: registered new interface driver smsc75xx [ 10.226851][ T1] usbcore: registered new interface driver smsc95xx [ 10.228746][ T1] usbcore: registered new interface driver net1080 [ 10.230534][ T1] usbcore: registered new interface driver rndis_host [ 10.232322][ T1] usbcore: registered new interface driver cdc_subset [ 10.233958][ T1] usbcore: registered new interface driver zaurus [ 10.235937][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 10.238036][ T1] usbcore: registered new interface driver cdc_ncm [ 10.239910][ T1] usbcore: registered new interface driver cdc_mbim [ 10.250370][ T1] VFIO - User Level meta-driver version: 0.3 [ 10.260440][ T1] aoe: AoE v85 initialised. [ 10.265531][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 10.267484][ T1] ehci-pci: EHCI PCI platform driver [ 10.270533][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 10.271713][ T1] ohci-pci: OHCI PCI platform driver [ 10.276669][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 10.283839][ T1] usbcore: registered new interface driver cdc_acm [ 10.285193][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 10.287836][ T1] usbcore: registered new interface driver usblp [ 10.289355][ T1] usbcore: registered new interface driver cdc_wdm [ 10.292271][ T1] usbcore: registered new interface driver uas [ 10.294266][ T1] usbcore: registered new interface driver usb-storage [ 10.295986][ T1] usbcore: registered new interface driver ums-realtek [ 10.299636][ T1] usbcore: registered new interface driver usbserial_generic [ 10.305444][ T1] usbserial: USB Serial support registered for generic [ 10.307713][ T1] usbcore: registered new interface driver ch341 [ 10.309267][ T1] usbserial: USB Serial support registered for ch341-uart [ 10.311041][ T1] usbcore: registered new interface driver cp210x [ 10.312988][ T1] usbserial: USB Serial support registered for cp210x [ 10.315063][ T1] usbcore: registered new interface driver ftdi_sio [ 10.316609][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.319019][ T1] usbcore: registered new interface driver keyspan [ 10.320711][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.322430][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.324993][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.327811][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.329647][ T1] usbcore: registered new interface driver option [ 10.331662][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 10.334285][ T1] usbcore: registered new interface driver oti6858 [ 10.336112][ T1] usbserial: USB Serial support registered for oti6858 [ 10.337767][ T1] usbcore: registered new interface driver pl2303 [ 10.339340][ T1] usbserial: USB Serial support registered for pl2303 [ 10.341496][ T1] usbcore: registered new interface driver qcserial [ 10.343978][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 10.346321][ T1] usbcore: registered new interface driver sierra [ 10.347854][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 10.349557][ T1] usbcore: registered new interface driver usb_serial_simple [ 10.351234][ T1] usbserial: USB Serial support registered for carelink [ 10.353481][ T1] usbserial: USB Serial support registered for zio [ 10.355694][ T1] usbserial: USB Serial support registered for funsoft [ 10.357431][ T1] usbserial: USB Serial support registered for flashloader [ 10.359193][ T1] usbserial: USB Serial support registered for google [ 10.361189][ T1] usbserial: USB Serial support registered for libtransistor [ 10.364231][ T1] usbserial: USB Serial support registered for vivopay [ 10.366679][ T1] usbserial: USB Serial support registered for moto_modem [ 10.369139][ T1] usbserial: USB Serial support registered for motorola_tetra [ 10.370746][ T1] usbserial: USB Serial support registered for novatel_gps [ 10.372407][ T1] usbserial: USB Serial support registered for hp4x [ 10.374299][ T1] usbserial: USB Serial support registered for suunto [ 10.375962][ T1] usbserial: USB Serial support registered for siemens_mpi [ 10.386119][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.387918][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 10.393677][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 10.397462][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.399357][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.401407][ T1] usb usb1: Product: Dummy host controller [ 10.402434][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.404815][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 10.411270][ T1] hub 1-0:1.0: USB hub found [ 10.412921][ T1] hub 1-0:1.0: 1 port detected [ 10.421507][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.422996][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 10.425253][ C1] random: fast init done [ 10.429208][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 10.432262][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.434004][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.436447][ T1] usb usb2: Product: Dummy host controller [ 10.440512][ T56] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.442466][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.444961][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 10.446091][ T103] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.447495][ T103] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.448600][ T103] sd 0:0:1:0: [sda] Write Protect is off [ 10.449169][ T1] hub 2-0:1.0: USB hub found [ 10.450689][ T103] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.450830][ T1] hub 2-0:1.0: 1 port detected [ 10.460371][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.462306][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 10.464905][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 10.467944][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.469459][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.470965][ T1] usb usb3: Product: Dummy host controller [ 10.471041][ T103] sda: sda1 [ 10.473998][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.474015][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 10.477543][ T1] hub 3-0:1.0: USB hub found [ 10.478957][ T1] hub 3-0:1.0: 1 port detected [ 10.485433][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.486883][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 10.490025][ T103] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.491056][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 10.492211][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.494556][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.495764][ T1] usb usb4: Product: Dummy host controller [ 10.496702][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.498081][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 10.501257][ T1] hub 4-0:1.0: USB hub found [ 10.502322][ T1] hub 4-0:1.0: 1 port detected [ 10.506114][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.507421][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 10.509007][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 10.510904][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.512384][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.513643][ T1] usb usb5: Product: Dummy host controller [ 10.514584][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.516163][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 10.518873][ T1] hub 5-0:1.0: USB hub found [ 10.519841][ T1] hub 5-0:1.0: 1 port detected [ 10.523050][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.526213][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 10.527914][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 10.529889][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.531177][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.532348][ T1] usb usb6: Product: Dummy host controller [ 10.534684][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.535894][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.538605][ T1] hub 6-0:1.0: USB hub found [ 10.539556][ T1] hub 6-0:1.0: 1 port detected [ 10.542847][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.544512][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.546086][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.548116][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.549710][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.550903][ T1] usb usb7: Product: Dummy host controller [ 10.551784][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.553028][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.555851][ T1] hub 7-0:1.0: USB hub found [ 10.556761][ T1] hub 7-0:1.0: 1 port detected [ 10.560056][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.561362][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.562870][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.565351][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.566731][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.567983][ T1] usb usb8: Product: Dummy host controller [ 10.568845][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.570232][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.573117][ T1] hub 8-0:1.0: USB hub found [ 10.574412][ T1] hub 8-0:1.0: 1 port detected [ 10.590775][ T1] using random self ethernet address [ 10.592007][ T1] using random host ethernet address [ 10.594798][ T1] Mass Storage Function, version: 2009/09/11 [ 10.595675][ T1] LUN: removable file: (no medium) [ 10.596475][ T1] no file given for LUN0 [ 10.597304][ T1] printk: console [ttyGS0] disabled [ 10.601320][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.605033][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.607008][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.608856][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.610364][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.612317][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.613952][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.614938][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.616509][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.619903][ T1] hub 9-0:1.0: USB hub found [ 10.620974][ T1] hub 9-0:1.0: 8 ports detected [ 10.627202][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.629500][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.631095][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.635010][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.636556][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.637704][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.638687][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.639972][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.644777][ T1] hub 10-0:1.0: USB hub found [ 10.645711][ T1] hub 10-0:1.0: 8 ports detected [ 10.652278][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.654397][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.656315][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.658839][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.659968][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.661062][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.662312][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.665508][ T1] hub 11-0:1.0: USB hub found [ 10.666594][ T1] hub 11-0:1.0: 8 ports detected [ 10.671922][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.674087][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.675729][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.677701][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.679565][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.680855][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.681879][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.683893][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.687138][ T1] hub 12-0:1.0: USB hub found [ 10.688090][ T1] hub 12-0:1.0: 8 ports detected [ 10.694864][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.696640][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.698586][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.699976][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.701171][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.702172][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.704334][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.707200][ T1] hub 13-0:1.0: USB hub found [ 10.708574][ T1] hub 13-0:1.0: 8 ports detected [ 10.715629][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.717640][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.719174][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.721057][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.722649][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.724319][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.725392][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.726673][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.729823][ T1] hub 14-0:1.0: USB hub found [ 10.730933][ T1] hub 14-0:1.0: 8 ports detected [ 10.738799][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.740484][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.742542][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.745068][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.746522][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.747468][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.748745][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.751818][ T1] hub 15-0:1.0: USB hub found [ 10.752755][ T1] hub 15-0:1.0: 8 ports detected [ 10.759635][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.761451][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.763025][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.765119][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.766646][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.767886][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.768867][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.770285][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.774530][ T1] hub 16-0:1.0: USB hub found [ 10.775900][ T1] hub 16-0:1.0: 8 ports detected [ 10.782458][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.784270][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.786299][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.787660][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.788994][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.790069][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.791833][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.794971][ T1] hub 17-0:1.0: USB hub found [ 10.795865][ T1] hub 17-0:1.0: 8 ports detected [ 10.801281][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.802975][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.805920][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.807990][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.809964][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.811286][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.812516][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.814396][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.817256][ T1] hub 18-0:1.0: USB hub found [ 10.818208][ T1] hub 18-0:1.0: 8 ports detected [ 10.825361][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.827070][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.828991][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.830383][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.831900][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 10.832908][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.834192][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 10.837016][ T1] hub 19-0:1.0: USB hub found [ 10.837911][ T1] hub 19-0:1.0: 8 ports detected [ 10.844745][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.846489][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 10.848071][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.850543][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.852020][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.853517][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 10.854475][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.855796][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 10.858664][ T1] hub 20-0:1.0: USB hub found [ 10.859546][ T1] hub 20-0:1.0: 8 ports detected [ 10.866067][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.867894][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 10.870020][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.871402][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.872553][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 10.874916][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.876276][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 10.879130][ T1] hub 21-0:1.0: USB hub found [ 10.880190][ T1] hub 21-0:1.0: 8 ports detected [ 10.887214][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.888951][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 10.890563][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.892562][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.895225][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.896539][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 10.897568][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.900326][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 10.903476][ T1] hub 22-0:1.0: USB hub found [ 10.904448][ T1] hub 22-0:1.0: 8 ports detected [ 10.910711][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.912484][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 10.915339][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.916926][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.918416][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 10.919422][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.920663][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 10.926661][ T1] hub 23-0:1.0: USB hub found [ 10.927602][ T1] hub 23-0:1.0: 8 ports detected [ 10.933525][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.935517][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 10.937090][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.938958][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.940279][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.942098][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 10.943036][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.944987][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 10.947777][ T1] hub 24-0:1.0: USB hub found [ 10.948863][ T1] hub 24-0:1.0: 8 ports detected [ 10.956123][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.957884][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 10.959899][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.961234][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.962468][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 10.963463][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.964733][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 10.967625][ T1] hub 25-0:1.0: USB hub found [ 10.968616][ T1] hub 25-0:1.0: 8 ports detected [ 10.975909][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.977555][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 10.979153][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.981030][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.982625][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.983937][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 10.984886][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.986176][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 10.989118][ T1] hub 26-0:1.0: USB hub found [ 10.990265][ T1] hub 26-0:1.0: 8 ports detected [ 10.998494][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.000220][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 11.002658][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.005071][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.006387][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 11.007423][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.008642][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 11.011429][ T1] hub 27-0:1.0: USB hub found [ 11.012318][ T1] hub 27-0:1.0: 8 ports detected [ 11.017958][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.019900][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 11.021741][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.025355][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.026678][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.027889][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 11.028963][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.030389][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 11.035256][ T1] hub 28-0:1.0: USB hub found [ 11.036206][ T1] hub 28-0:1.0: 8 ports detected [ 11.043985][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.045876][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 11.047948][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.049683][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.050942][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 11.051956][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.053309][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 11.056281][ T1] hub 29-0:1.0: USB hub found [ 11.057309][ T1] hub 29-0:1.0: 8 ports detected [ 11.062848][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.070495][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 11.071995][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.074814][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.076174][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.079084][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 11.080052][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.081753][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 11.085656][ T1] hub 30-0:1.0: USB hub found [ 11.087099][ T1] hub 30-0:1.0: 8 ports detected [ 11.094065][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.097302][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 11.099671][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.101798][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.105175][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 11.106407][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.108887][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 11.112248][ T1] hub 31-0:1.0: USB hub found [ 11.113744][ T1] hub 31-0:1.0: 8 ports detected [ 11.120466][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.122983][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 11.125918][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.128936][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.132100][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.134656][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 11.135944][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.137492][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 11.140659][ T1] hub 32-0:1.0: USB hub found [ 11.142613][ T1] hub 32-0:1.0: 8 ports detected [ 11.151218][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.153841][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 11.160228][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.161663][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.163052][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 11.165849][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.168221][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 11.172430][ T1] hub 33-0:1.0: USB hub found [ 11.174263][ T1] hub 33-0:1.0: 8 ports detected [ 11.180208][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.182864][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 11.185977][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.189222][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.191011][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.194909][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 11.195992][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.197801][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 11.201502][ T1] hub 34-0:1.0: USB hub found [ 11.202429][ T1] hub 34-0:1.0: 8 ports detected [ 11.210734][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.214035][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 11.216757][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.219381][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.221175][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 11.223295][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.226147][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 11.230154][ T1] hub 35-0:1.0: USB hub found [ 11.231700][ T1] hub 35-0:1.0: 8 ports detected [ 11.238557][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.241362][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 11.244055][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.246792][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.249158][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.251507][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 11.252657][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.255994][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 11.260113][ T1] hub 36-0:1.0: USB hub found [ 11.261265][ T1] hub 36-0:1.0: 8 ports detected [ 11.268568][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.271012][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 11.274404][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.277321][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.278728][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 11.279902][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.282602][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 11.286814][ T1] hub 37-0:1.0: USB hub found [ 11.287918][ T1] hub 37-0:1.0: 8 ports detected [ 11.294242][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.296166][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 11.298676][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.301438][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.303077][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.305306][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 11.307169][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.308789][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 11.312036][ T1] hub 38-0:1.0: USB hub found [ 11.314953][ T1] hub 38-0:1.0: 8 ports detected [ 11.321684][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.324119][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 11.326565][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.328619][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.329932][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 11.331856][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.334119][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 11.337978][ T1] hub 39-0:1.0: USB hub found [ 11.339016][ T1] hub 39-0:1.0: 8 ports detected [ 11.345378][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.347536][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 11.349702][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.352018][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.354754][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.356460][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 11.357657][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 11.359754][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 11.363540][ T1] hub 40-0:1.0: USB hub found [ 11.365740][ T1] hub 40-0:1.0: 8 ports detected [ 11.372781][ T1] usbcore: registered new device driver usbip-host [ 11.378725][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 11.383650][ T1] i8042: Warning: Keylock active [ 11.387198][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 11.389691][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 11.454571][ T1] mousedev: PS/2 mouse device common for all mice [ 11.463309][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 11.471447][ T1] rtc_cmos 00:00: registered as rtc0 [ 11.472979][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 11.479256][ T1] i2c /dev entries driver [ 11.488856][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 11.500499][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 11.510045][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 11.517779][ T1] IR NEC protocol handler initialized [ 11.523161][ T1] IR RC5(x/sz) protocol handler initialized [ 11.529093][ T1] IR RC6 protocol handler initialized [ 11.534722][ T1] IR JVC protocol handler initialized [ 11.540082][ T1] IR Sony protocol handler initialized [ 11.545572][ T1] IR SANYO protocol handler initialized [ 11.551117][ T1] IR Sharp protocol handler initialized [ 11.556672][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 11.563375][ T1] IR XMP protocol handler initialized [ 11.569838][ T1] usbcore: registered new interface driver uvcvideo [ 11.576492][ T1] USB Video Class driver (1.1.1) [ 11.581417][ T1] gspca_main: v2.14.0 registered [ 11.607337][ T1] vivid-000: using single planar format API [ 11.631385][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 11.640644][ T1] vivid-000: V4L2 capture device registered as video3 [ 11.648221][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 11.656383][ T1] vivid-000: V4L2 output device registered as video4 [ 11.664153][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 11.675238][ T17] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.684172][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 11.695993][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 11.705441][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 11.713881][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 11.721740][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 11.730127][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 11.738438][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 11.746888][ T1] vivid-001: using multiplanar format API [ 11.770252][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 11.778186][ T1] vivid-001: V4L2 capture device registered as video7 [ 11.785930][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 11.793917][ T1] vivid-001: V4L2 output device registered as video8 [ 11.801262][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 11.811905][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 11.821694][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 11.829374][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 11.836857][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 11.844674][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 11.852850][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 11.861144][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.869536][ T1] vivid-002: using single planar format API [ 11.890622][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.898494][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.906076][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.914011][ T1] vivid-002: V4L2 output device registered as video12 [ 11.921493][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 11.934325][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 11.944512][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 11.952591][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 11.960171][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 11.968080][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 11.976455][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 11.984693][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 11.993076][ T1] vivid-003: using multiplanar format API [ 12.014234][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 12.022194][ T1] vivid-003: V4L2 capture device registered as video15 [ 12.030523][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 12.038510][ T1] vivid-003: V4L2 output device registered as video16 [ 12.045982][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 12.055804][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 12.065725][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 12.073631][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 12.081106][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 12.089209][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 12.097603][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 12.105882][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 12.114352][ T1] vivid-004: using single planar format API [ 12.135576][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 12.143940][ T1] vivid-004: V4L2 capture device registered as video19 [ 12.151746][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 12.163155][ T17] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 12.173916][ T1] vivid-004: V4L2 output device registered as video20 [ 12.181487][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 12.192609][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 12.203052][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 12.210867][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 12.218437][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 12.226277][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 12.234759][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 12.242961][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 12.251428][ T1] vivid-005: using multiplanar format API [ 12.272402][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 12.280521][ T1] vivid-005: V4L2 capture device registered as video23 [ 12.288547][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 12.296675][ T1] vivid-005: V4L2 output device registered as video24 [ 12.304127][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 12.315164][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 12.325174][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 12.333081][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 12.340783][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 12.348913][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 12.358632][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 12.366941][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 12.375466][ T1] vivid-006: using single planar format API [ 12.397042][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 12.405774][ T1] vivid-006: V4L2 capture device registered as video27 [ 12.413670][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 12.421915][ T1] vivid-006: V4L2 output device registered as video28 [ 12.429872][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 12.440394][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 12.451733][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 12.459840][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 12.467481][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 12.475359][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 12.483772][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 12.491967][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 12.500598][ T1] vivid-007: using multiplanar format API [ 12.521282][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 12.529559][ T1] vivid-007: V4L2 capture device registered as video31 [ 12.537403][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 12.546303][ T1] vivid-007: V4L2 output device registered as video32 [ 12.553934][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 12.564163][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 12.574019][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 12.582200][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 12.589858][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 12.597792][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 12.606160][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 12.614858][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 12.625131][ T1] vivid-008: using single planar format API [ 12.634128][ T845] floppy0: no floppy controllers found [ 12.656998][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 12.666421][ T1] vivid-008: V4L2 capture device registered as video35 [ 12.674463][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 12.683776][ T1] vivid-008: V4L2 output device registered as video36 [ 12.691359][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 12.701347][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 12.711458][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 12.720946][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 12.728981][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 12.736868][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 12.745193][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 12.753496][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 12.761798][ T1] vivid-009: using multiplanar format API [ 12.783987][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 12.792078][ T1] vivid-009: V4L2 capture device registered as video39 [ 12.800539][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 12.808808][ T1] vivid-009: V4L2 output device registered as video40 [ 12.816310][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 12.826417][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 12.836473][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 12.844121][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 12.853153][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 12.861212][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 12.869750][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 12.878119][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 12.886615][ T1] vivid-010: using single planar format API [ 12.907767][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 12.915987][ T1] vivid-010: V4L2 capture device registered as video43 [ 12.923799][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 12.931789][ T1] vivid-010: V4L2 output device registered as video44 [ 12.939446][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 12.949529][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 12.959497][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 12.967192][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 12.974842][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 12.982763][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 12.991181][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 12.999516][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 13.007973][ T1] vivid-011: using multiplanar format API [ 13.029214][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 13.037185][ T1] vivid-011: V4L2 capture device registered as video47 [ 13.044969][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 13.053087][ T1] vivid-011: V4L2 output device registered as video48 [ 13.060976][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 13.071069][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 13.081280][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 13.089128][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 13.096905][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 13.104829][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 13.114558][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 13.122953][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 13.131782][ T1] vivid-012: using single planar format API [ 13.152704][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 13.161092][ T1] vivid-012: V4L2 capture device registered as video51 [ 13.168985][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 13.177102][ T1] vivid-012: V4L2 output device registered as video52 [ 13.184557][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 13.194608][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 13.204569][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 13.212311][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 13.219946][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 13.227899][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 13.236309][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 13.244572][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 13.252964][ T1] vivid-013: using multiplanar format API [ 13.274028][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 13.282066][ T1] vivid-013: V4L2 capture device registered as video55 [ 13.289680][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 13.297816][ T1] vivid-013: V4L2 output device registered as video56 [ 13.305310][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 13.315246][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 13.325323][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 13.334025][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 13.341583][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 13.349605][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 13.357949][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 13.366189][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 13.374692][ T1] vivid-014: using single planar format API [ 13.396252][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 13.405115][ T1] vivid-014: V4L2 capture device registered as video59 [ 13.412805][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 13.421020][ T1] vivid-014: V4L2 output device registered as video60 [ 13.428684][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 13.440076][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 13.449942][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 13.457756][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 13.466109][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 13.474051][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 13.482524][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 13.490987][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 13.500747][ T1] vivid-015: using multiplanar format API [ 13.521615][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 13.529566][ T1] vivid-015: V4L2 capture device registered as video63 [ 13.537204][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 13.545195][ T1] vivid-015: V4L2 output device registered as video64 [ 13.552702][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 13.562621][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 13.572533][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 13.580240][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 13.587852][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 13.595745][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 13.604127][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 13.613040][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 13.624558][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 13.633544][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 13.642881][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 13.652760][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 13.662905][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 13.670541][ T1] iTCO_vendor_support: vendor-support=0 [ 13.678575][ T1] device-mapper: uevent: version 1.0.3 [ 13.685765][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 13.697014][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 13.704810][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 13.712273][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 13.720512][ T1] device-mapper: raid: Loading target version 1.15.1 [ 13.728503][ T1] Bluetooth: HCI UART driver ver 2.3 [ 13.733874][ T1] Bluetooth: HCI UART protocol H4 registered [ 13.739841][ T1] Bluetooth: HCI UART protocol BCSP registered [ 13.746468][ T1] Bluetooth: HCI UART protocol LL registered [ 13.752610][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 13.761131][ T1] Bluetooth: HCI UART protocol QCA registered [ 13.767233][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 13.773643][ T1] Bluetooth: HCI UART protocol Marvell registered [ 13.780429][ T1] usbcore: registered new interface driver bfusb [ 13.787234][ T1] usbcore: registered new interface driver btusb [ 13.794815][ T1] CAPI 2.0 started up with major 68 (middleware) [ 13.801168][ T1] Modular ISDN core version 1.1.29 [ 13.807308][ T1] NET: Registered protocol family 34 [ 13.812725][ T1] DSP module 2.0 [ 13.816297][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 13.835613][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 13.841982][ T1] 0 virtual devices registered [ 13.846775][ T1] intel_pstate: CPU model not supported [ 13.856179][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 13.865058][ T1] usnic_verbs:usnic_uiom_init:563: [ 13.865062][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 13.880558][ T1] usnic_verbs:usnic_ib_init:667: [ 13.880563][ T1] Unable to initialize umem with err -1 [ 13.893517][ T1] iscsi: registered transport (iser) [ 13.899890][ T1] SoftiWARP attached [ 13.904330][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.915976][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.927491][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.947232][ T1] hid: raw HID events driver (C) Jiri Kosina [ 13.995075][ T1] usbcore: registered new interface driver usbhid [ 14.001643][ T1] usbhid: USB HID core driver [ 14.009373][ T1] ashmem: initialized [ 14.097130][ T1] usbcore: registered new interface driver snd-usb-audio [ 14.105026][ T1] drop_monitor: Initializing network drop monitor service [ 14.112780][ T1] NET: Registered protocol family 26 [ 14.118426][ T1] GACT probability on [ 14.122493][ T1] Mirror/redirect action on [ 14.127403][ T1] Simple TC action Loaded [ 14.134375][ T1] netem: version 1.3 [ 14.138537][ T1] u32 classifier [ 14.142082][ T1] Performance counters on [ 14.147322][ T1] input device check on [ 14.151815][ T1] Actions configured [ 14.158915][ T1] nf_conntrack_irc: failed to register helpers [ 14.166411][ T1] nf_conntrack_sane: failed to register helpers [ 14.211426][ T1] nf_conntrack_sip: failed to register helpers [ 14.223138][ T1] xt_time: kernel timezone is -0000 [ 14.228702][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 14.236050][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 14.245758][ T1] IPVS: ipvs loaded. [ 14.249754][ T1] IPVS: [rr] scheduler registered. [ 14.254920][ T1] IPVS: [wrr] scheduler registered. [ 14.260108][ T1] IPVS: [lc] scheduler registered. [ 14.265320][ T1] IPVS: [wlc] scheduler registered. [ 14.270514][ T1] IPVS: [fo] scheduler registered. [ 14.275767][ T1] IPVS: [ovf] scheduler registered. [ 14.281012][ T1] IPVS: [lblc] scheduler registered. [ 14.286800][ T1] IPVS: [lblcr] scheduler registered. [ 14.292271][ T1] IPVS: [dh] scheduler registered. [ 14.297545][ T1] IPVS: [sh] scheduler registered. [ 14.302637][ T1] IPVS: [mh] scheduler registered. [ 14.307882][ T1] IPVS: [sed] scheduler registered. [ 14.313082][ T1] IPVS: [nq] scheduler registered. [ 14.318460][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 14.324610][ T1] IPVS: [sip] pe registered. [ 14.329505][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 14.339613][ T1] gre: GRE over IPv4 demultiplexor driver [ 14.345371][ T1] ip_gre: GRE over IPv4 tunneling driver [ 14.358242][ T1] IPv4 over IPsec tunneling driver [ 14.367883][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 14.376047][ T1] Initializing XFRM netlink socket [ 14.381467][ T1] IPsec XFRM device driver [ 14.387332][ T1] NET: Registered protocol family 10 [ 14.392959][ T1] [ 14.395423][ T1] ============================= [ 14.400284][ T1] WARNING: suspicious RCU usage [ 14.405453][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 14.411951][ T1] ----------------------------- [ 14.416913][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 14.424881][ T1] [ 14.424881][ T1] other info that might help us debug this: [ 14.424881][ T1] [ 14.435205][ T1] [ 14.435205][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 14.443488][ T1] 1 lock held by swapper/0/1: [ 14.448156][ T1] #0: ffffffff8a7a6df0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 14.458471][ T1] [ 14.458471][ T1] stack backtrace: [ 14.464393][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 14.473483][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.474359][ T1] Call Trace: [ 14.474359][ T1] dump_stack+0x18f/0x20d [ 14.474359][ T1] ip6mr_get_table+0x153/0x180 [ 14.474359][ T1] ip6mr_new_table+0x1b/0x70 [ 14.474359][ T1] ip6mr_net_init+0x133/0x3f0 [ 14.474359][ T1] ? ip6mr_net_exit+0x100/0x100 [ 14.474359][ T1] ops_init+0xaf/0x420 [ 14.474359][ T1] register_pernet_operations+0x346/0x840 [ 14.474359][ T1] ? setup_net+0x860/0x860 [ 14.474359][ T1] ? down_write_killable+0x170/0x170 [ 14.474359][ T1] ? cpus_read_unlock+0xa4/0x140 [ 14.474359][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 14.474359][ T1] ? unix_diag_init+0x11/0x11 [ 14.474359][ T1] register_pernet_subsys+0x25/0x40 [ 14.474359][ T1] ip6_mr_init+0x49/0x152 [ 14.474359][ T1] inet6_init+0x1d7/0x6dc [ 14.474359][ T1] do_one_initcall+0x10a/0x7d0 [ 14.474359][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 14.474359][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 14.474359][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 14.474359][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 14.474359][ T1] kernel_init_freeable+0x501/0x5ae [ 14.474359][ T1] ? rest_init+0x365/0x365 [ 14.474359][ T1] kernel_init+0xd/0x1bb [ 14.474359][ T1] ret_from_fork+0x24/0x30 [ 14.619012][ T1] Segment Routing with IPv6 [ 14.624113][ T1] mip6: Mobile IPv6 [ 14.632052][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 14.650004][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 14.658179][ T1] NET: Registered protocol family 17 [ 14.663785][ T1] NET: Registered protocol family 15 [ 14.669629][ T1] Bridge firewalling registered [ 14.676125][ T1] NET: Registered protocol family 9 [ 14.681450][ T1] X25: Linux Version 0.2 [ 14.716005][ T1] NET: Registered protocol family 6 [ 14.756838][ T1] NET: Registered protocol family 11 [ 14.762519][ T1] NET: Registered protocol family 3 [ 14.771128][ T1] can: controller area network core (rev 20170425 abi 9) [ 14.780143][ T1] NET: Registered protocol family 29 [ 14.785764][ T1] can: raw protocol (rev 20170425) [ 14.791189][ T1] can: broadcast manager protocol (rev 20170425 t) [ 14.797775][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 14.805065][ T1] can: SAE J1939 [ 14.813763][ T1] Bluetooth: RFCOMM TTY layer initialized [ 14.819522][ T1] Bluetooth: RFCOMM socket layer initialized [ 14.826342][ T1] Bluetooth: RFCOMM ver 1.11 [ 14.831039][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 14.838138][ T1] Bluetooth: BNEP filters: protocol multicast [ 14.844325][ T1] Bluetooth: BNEP socket layer initialized [ 14.850140][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 14.857090][ T1] Bluetooth: CMTP socket layer initialized [ 14.862900][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 14.869771][ T1] Bluetooth: HIDP socket layer initialized [ 14.876560][ T1] RPC: Registered rdma transport module. [ 14.882201][ T1] RPC: Registered rdma backchannel transport module. [ 14.894881][ T1] NET: Registered protocol family 33 [ 14.900282][ T1] Key type rxrpc registered [ 14.905251][ T1] Key type rxrpc_s registered [ 14.911492][ T1] NET: Registered protocol family 41 [ 14.917782][ T1] lec:lane_module_init: lec.c: initialized [ 14.923896][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 14.929827][ T1] l2tp_core: L2TP core driver, V2.0 [ 14.935153][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 14.940777][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 14.947630][ T1] l2tp_netlink: L2TP netlink interface [ 14.953519][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 14.960270][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 14.968534][ T1] NET: Registered protocol family 35 [ 14.974623][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 15.000287][ T1] DCCP: Activated CCID 2 (TCP-like) [ 15.006347][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 15.015412][ T1] sctp: Hash tables configured (bind 32/56) [ 15.024446][ T1] NET: Registered protocol family 21 [ 15.031168][ T1] Registered RDS/infiniband transport [ 15.038324][ T1] Registered RDS/tcp transport [ 15.043091][ T1] tipc: Activated (version 2.0.0) [ 15.049136][ T1] NET: Registered protocol family 30 [ 15.056275][ T1] tipc: Started in single node mode [ 15.062689][ T1] NET: Registered protocol family 43 [ 15.068616][ T1] 9pnet: Installing 9P2000 support [ 15.074713][ T1] NET: Registered protocol family 37 [ 15.085069][ T1] NET: Registered protocol family 36 [ 15.091047][ T1] Key type dns_resolver registered [ 15.096849][ T1] Key type ceph registered [ 15.102006][ T1] libceph: loaded (mon/osd proto 15/24) [ 15.109791][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 15.118891][ T1] openvswitch: Open vSwitch switching datapath [ 15.128357][ T1] NET: Registered protocol family 40 [ 15.134119][ T1] mpls_gso: MPLS GSO support [ 15.145547][ T1] IPI shorthand broadcast: enabled [ 15.150745][ T1] AVX2 version of gcm_enc/dec engaged. [ 15.156673][ T1] AES CTR mode by8 optimization enabled [ 15.168755][ T1] sched_clock: Marking stable (15150228656, 18477806)->(15176941026, -8234564) [ 15.179448][ T1] registered taskstats version 1 [ 15.188858][ T1] Loading compiled-in X.509 certificates [ 15.200484][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 15.213014][ T1] zswap: loaded using pool lzo/zbud [ 15.219533][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 15.229393][ T1] Key type ._fscrypt registered [ 15.234485][ T1] Key type .fscrypt registered [ 15.239240][ T1] Key type fscrypt-provisioning registered [ 15.247951][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 15.255026][ T1] FS-Cache: Netfs 'afs' registered for caching [ 15.271947][ T1] Btrfs loaded, crc32c=crc32c-intel [ 15.285115][ T1] Key type big_key registered [ 15.291861][ T1] Key type encrypted registered [ 15.296870][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 15.303571][ T1] ima: No TPM chip found, activating TPM-bypass! [ 15.309977][ T1] ima: Allocated hash algorithm: sha256 [ 15.315952][ T1] ima: No architecture policies found [ 15.321522][ T1] evm: Initialising EVM extended attributes: [ 15.327562][ T1] evm: security.selinux [ 15.331722][ T1] evm: security.SMACK64 [ 15.335898][ T1] evm: security.SMACK64EXEC [ 15.340380][ T1] evm: security.SMACK64TRANSMUTE [ 15.345334][ T1] evm: security.SMACK64MMAP [ 15.349815][ T1] evm: security.apparmor [ 15.354490][ T1] evm: security.ima [ 15.358302][ T1] evm: security.capability [ 15.362689][ T1] evm: HMAC attrs: 0x1 [ 15.368590][ T1] PM: Magic number: 4:383:819 [ 15.376178][ T1] printk: console [netcon0] enabled [ 15.381553][ T1] netconsole: network logging started [ 15.390497][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 15.399479][ T1] rdma_rxe: loaded [ 15.403860][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 15.415200][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 15.424215][ T17] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 15.433977][ T1] ALSA device list: [ 15.438427][ T1] #0: Dummy 1 [ 15.441883][ T1] #1: Loopback 1 [ 15.445710][ T1] #2: Virtual MIDI Card 1 [ 15.445879][ T17] cfg80211: failed to load regulatory.db [ 15.459777][ T1] md: Waiting for all devices to be available before autodetect [ 15.467578][ T1] md: If you don't use raid, use raid=noautodetect [ 15.478974][ T1] md: Autodetecting RAID arrays. [ 15.484213][ T1] md: autorun ... [ 15.487834][ T1] md: ... autorun DONE. [ 15.541485][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 15.550022][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 15.598505][ T1] devtmpfs: mounted [ 15.608798][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 15.615634][ T1] Kernel memory protection disabled. [ 15.654292][ T1] Run /sbin/init as init process [ 16.422543][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.440425][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.448224][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.509845][ T1] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 16.532377][ T1] systemd[1]: Detected virtualization kvm. [ 16.538360][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 16.604564][ T1] systemd[1]: Set hostname to . [ 17.026748][ T3883] systemd-fstab-generator[3883]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 17.051491][ T3886] selinux-autorel (3886) used greatest stack depth: 24848 bytes left [ 17.062436][ T3883] systemd-fstab-generator[3883]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 17.078218][ T3888] systemd-cryptse (3888) used greatest stack depth: 24560 bytes left [ 17.080001][ T3883] systemd-fstab-generator[3883]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 17.108524][ T3883] systemd-fstab-g (3883) used greatest stack depth: 23720 bytes left [ 17.108925][ T3878] systemd[3878]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 17.494192][ T1] [ 17.496761][ T1] ============================= [ 17.501610][ T1] WARNING: suspicious RCU usage [ 17.506516][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 17.513377][ T1] ----------------------------- [ 17.518204][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 17.527521][ T1] [ 17.527521][ T1] other info that might help us debug this: [ 17.527521][ T1] [ 17.538607][ T1] [ 17.538607][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 17.546705][ T1] 2 locks held by systemd/1: [ 17.551280][ T1] #0: ffff88809978e450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 17.560960][ T1] #1: ffff888097473610 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 17.571029][ T1] [ 17.571029][ T1] stack backtrace: [ 17.577500][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 17.586456][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.596504][ T1] Call Trace: [ 17.599808][ T1] dump_stack+0x18f/0x20d [ 17.604162][ T1] evm_protected_xattr+0x1c2/0x210 [ 17.609284][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 17.614733][ T1] evm_inode_setxattr+0xc4/0xf0 [ 17.619778][ T1] security_inode_setxattr+0x18f/0x200 [ 17.625241][ T1] vfs_setxattr+0xa7/0xf0 [ 17.629660][ T1] setxattr+0x23d/0x330 [ 17.633916][ T1] ? vfs_setxattr+0xf0/0xf0 [ 17.638418][ T1] ? lock_acquire+0x1f4/0x940 [ 17.643096][ T1] ? mnt_want_write+0x3a/0xb0 [ 17.647772][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 17.653123][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 17.658404][ T1] ? preempt_count_add+0x74/0x140 [ 17.663418][ T1] ? preempt_count_add+0x74/0x140 [ 17.668433][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 17.673546][ T1] path_setxattr+0x170/0x190 [ 17.678127][ T1] ? setxattr+0x330/0x330 [ 17.682450][ T1] ? task_work_run+0x160/0x1b0 [ 17.687209][ T1] __x64_sys_setxattr+0xc0/0x160 [ 17.692123][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 17.697386][ T1] do_syscall_64+0xf6/0x7d0 [ 17.701872][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 17.707754][ T1] RIP: 0033:0x7fe27a85e67a [ 17.712163][ T1] Code: 48 8b 0d 21 18 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 bc 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ee 17 2b 00 f7 d8 64 89 01 48 [ 17.731759][ T1] RSP: 002b:00007fffc8a45de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 17.740153][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe27a85e67a [ 17.748108][ T1] RDX: 00007fffc8a45e60 RSI: 000055cd2caf9f9b RDI: 000055cd2d6da560 [ 17.756165][ T1] RBP: 000055cd2caf9f9b R08: 0000000000000000 R09: 0000000000000030 [ 17.764138][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fffc8a45e60 [ 17.772794][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 000055cd2d692a00 [ 17.781896][ T1] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 17.823943][ T1] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 17.865356][ T1] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 17.906251][ T1] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 17.959229][ T1] systemd[1]: Mounting /sys/kernel/debug... Mounting /sys/kernel/debug... [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. Mounting /sys/kernel/config... [ OK ] Started Forward Password Requests to Wall Directory Watch. [ OK ] Created slice system-getty.slice. [ OK ] Listening on Syslog Socket. Mounting POSIX Message Queue File System... Mounting /proc/sys/fs/binfmt_misc... [ OK ] Listening on udev Kernel Socket. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Encrypted Volumes. Mounting Huge Pages File System... [ OK ] Listening on udev Control Socket. [ OK ] Reached target Remote File Systems. [ OK ] Reached target Slices. [ OK ] Created slice system-serial\x2dgetty.slice. [ OK ] Reached target Paths. [ OK ] Listening on Journal Socket. [ OK ] Reached target Sockets. Starting Load Kernel Modules... Starting Create Static Device Nodes in /dev... Starting Remount Root and Kernel File Systems... Starting Journal Service... [ OK ] Mounted Huge Pages File System. [ OK ] Mounted POSIX Message Queue File System. [ 19.127370][ T3906] EXT4-fs (sda1): re-mounted. Opts: (null) [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ 19.201468][ T3902] systemd-tmpfile (3902) used greatest stack depth: 23048 bytes left [ OK ] Started Load Kernel Modules. [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Remount Root and Kernel File Systems. Starting Load/Save Random Seed... Starting udev Coldplug all Devices... [ OK ] Reached target Local File Systems (Pre). Starting udev Kernel Device Manager... Starting Apply Kernel Variables... Mounting FUSE Control File System... [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Load/Save Random Seed. [ OK ] Started Apply Kernel Variables. [ OK ] Started Mark the need to relabel after reboot. [ OK ] Started udev Kernel Device Manager. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 21.658285][ T3905] systemd-journald[3905]: Received request to flush runtime journal from PID 1 [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. [ 22.145760][ T1] [ 22.148299][ T1] ============================= [ 22.153152][ T1] WARNING: suspicious RCU usage [ 22.163540][ T3957] [ 22.166122][ T3957] ============================= [ 22.170979][ T3957] WARNING: suspicious RCU usage [ 22.175987][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 22.182507][ T1] ----------------------------- [ 22.187582][ T3957] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 22.194274][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 22.202790][ T1] [ 22.202790][ T1] other info that might help us debug this: [ 22.202790][ T1] [ 22.213454][ T3957] ----------------------------- [ 22.218335][ T3957] drivers/net/hamradio/bpqether.c:130 RCU-list traversed in non-reader section!! [ 22.227581][ T3957] [ 22.227581][ T3957] other info that might help us debug this: [ 22.227581][ T3957] [ 22.238238][ T1] [ 22.238238][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 22.246539][ T3957] [ 22.246539][ T3957] rcu_scheduler_active = 2, debug_locks = 1 [ 22.255040][ T3957] 1 lock held by ip/3957: [ 22.259387][ T3957] #0: ffffffff8a7b2d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 22.263363][ T1] 4 locks held by systemd/1: [ 22.270334][ T3957] [ 22.270334][ T3957] stack backtrace: [ 22.280152][ T3957] CPU: 0 PID: 3957 Comm: ip Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 22.283380][ T1] #0: ffff888098fda450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 22.288916][ T3957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.288926][ T3957] Call Trace: [ 22.311123][ T3957] dump_stack+0x18f/0x20d [ 22.313318][ T1] #1: ffff8880a8f2cc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 22.315472][ T3957] bpq_device_event+0x609/0x75a [ 22.329590][ T3957] notifier_call_chain+0xc0/0x230 [ 22.333314][ T1] #2: ffff88809a6bf660 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 22.334634][ T3957] call_netdevice_notifiers_info+0xb5/0x130 [ 22.350135][ T3957] __dev_notify_flags+0x121/0x2c0 [ 22.354175][ T1] #3: ffffffff8a05e288 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 22.355523][ T3957] ? dev_change_name+0x700/0x700 [ 22.371558][ T3957] ? dev_set_allmulti+0x30/0x30 [ 22.376516][ T3957] ? print_usage_bug+0x240/0x240 [ 22.381654][ T3957] dev_change_flags+0x100/0x160 [ 22.383295][ T1] [ 22.383295][ T1] stack backtrace: [ 22.386525][ T3957] do_setlink+0xa1c/0x35d0 [ 22.396828][ T3957] ? mark_lock+0x129/0x1390 [ 22.401539][ T3957] ? rtnl_getlink+0xab0/0xab0 [ 22.406231][ T3957] ? print_usage_bug+0x240/0x240 [ 22.411183][ T3957] ? mark_lock+0x129/0x1390 [ 22.415807][ T3957] ? mark_lock+0x129/0x1390 [ 22.420335][ T3957] ? __lock_acquire+0xca1/0x3f20 [ 22.425292][ T3957] ? memset+0x20/0x40 [ 22.429269][ T3957] ? __nla_validate_parse+0x2af/0x1cc0 [ 22.434732][ T3957] ? mark_held_locks+0xe0/0xe0 [ 22.439506][ T3957] ? deref_stack_reg+0xaa/0xe0 [ 22.444281][ T3957] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 22.450860][ T3957] ? nla_memcpy+0xa0/0xa0 [ 22.455190][ T3957] ? mark_held_locks+0xe0/0xe0 [ 22.459968][ T3957] ? deref_stack_reg+0xaa/0xe0 [ 22.464852][ T3957] __rtnl_newlink+0xad0/0x1590 [ 22.469615][ T3957] ? rtnl_link_unregister+0x240/0x240 [ 22.475000][ T3957] ? is_bpf_text_address+0xcb/0x160 [ 22.480297][ T3957] ? kernel_text_address+0x6e/0xe0 [ 22.485507][ T3957] ? __kernel_text_address+0x9/0x30 [ 22.490703][ T3957] ? unwind_get_return_address+0x5a/0xa0 [ 22.496336][ T3957] ? profile_setup.cold+0xc1/0xc1 [ 22.501370][ T3957] ? arch_stack_walk+0x97/0xf0 [ 22.506175][ T3957] ? stack_trace_save+0x8c/0xc0 [ 22.511102][ T3957] ? stack_trace_consume_entry+0x160/0x160 [ 22.516982][ T3957] ? rtnl_newlink+0x46/0xa0 [ 22.521506][ T3957] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.527066][ T3957] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.533056][ T3957] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 22.538888][ T3957] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 22.544459][ T3957] rtnl_newlink+0x64/0xa0 [ 22.548781][ T3957] ? __rtnl_newlink+0x1590/0x1590 [ 22.553801][ T3957] rtnetlink_rcv_msg+0x44e/0xad0 [ 22.558765][ T3957] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.564351][ T3957] ? lock_acquire+0x1f4/0x940 [ 22.569056][ T3957] ? netlink_deliver_tap+0x146/0xcc0 [ 22.574345][ T3957] netlink_rcv_skb+0x15a/0x430 [ 22.579118][ T3957] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.584413][ T3957] ? netlink_ack+0xa60/0xa60 [ 22.588994][ T3957] ? netlink_deliver_tap+0x236/0xcc0 [ 22.594298][ T3957] netlink_unicast+0x537/0x740 [ 22.599090][ T3957] ? netlink_attachskb+0x810/0x810 [ 22.604218][ T3957] ? _copy_from_iter_full+0x25c/0x870 [ 22.609587][ T3957] ? __phys_addr_symbol+0x2c/0x70 [ 22.614606][ T3957] ? __check_object_size+0x171/0x437 [ 22.619922][ T3957] netlink_sendmsg+0x882/0xe10 [ 22.624704][ T3957] ? aa_af_perm+0x260/0x260 [ 22.629217][ T3957] ? netlink_unicast+0x740/0x740 [ 22.634159][ T3957] ? netlink_unicast+0x740/0x740 [ 22.639220][ T3957] sock_sendmsg+0xcf/0x120 [ 22.643657][ T3957] ____sys_sendmsg+0x6bf/0x7e0 [ 22.648586][ T3957] ? mark_held_locks+0xe0/0xe0 [ 22.653450][ T3957] ? kernel_sendmsg+0x50/0x50 [ 22.658140][ T3957] ? find_held_lock+0x2d/0x110 [ 22.663736][ T3957] ? mark_lock+0x129/0x1390 [ 22.668238][ T3957] ___sys_sendmsg+0x100/0x170 [ 22.672902][ T3957] ? sendmsg_copy_msghdr+0x70/0x70 [ 22.678112][ T3957] ? migration_entry_to_page+0x310/0x310 [ 22.683785][ T3957] ? do_raw_spin_unlock+0x171/0x260 [ 22.688978][ T3957] ? find_held_lock+0x2d/0x110 [ 22.693749][ T3957] ? do_page_fault+0x59e/0x13da [ 22.698617][ T3957] ? vm_insert_pages+0x6a0/0x6a0 [ 22.703566][ T3957] ? lock_downgrade+0x840/0x840 [ 22.708425][ T3957] ? __fget_light+0x1ab/0x270 [ 22.713109][ T3957] __sys_sendmsg+0xec/0x1b0 [ 22.717614][ T3957] ? __sys_sendmsg_sock+0xb0/0xb0 [ 22.722740][ T3957] ? down_read_nested+0x430/0x430 [ 22.727862][ T3957] ? trace_hardirqs_off_caller+0x55/0x230 [ 22.733576][ T3957] ? do_syscall_64+0x21/0x7d0 [ 22.738266][ T3957] do_syscall_64+0xf6/0x7d0 [ 22.742874][ T3957] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 22.748760][ T3957] RIP: 0033:0x7fb7b35acdc7 [ 22.753169][ T3957] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 8b 05 4a 49 2b 00 85 c0 75 2e 48 63 ff 48 63 d2 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 f0 2a 00 f7 d8 64 89 02 48 [ 22.772770][ T3957] RSP: 002b:00007ffe1d24b928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.781307][ T3957] RAX: ffffffffffffffda RBX: 000000005eabb89d RCX: 00007fb7b35acdc7 [ 22.789289][ T3957] RDX: 0000000000000000 RSI: 00007ffe1d24b970 RDI: 0000000000000003 [ 22.797275][ T3957] RBP: 00007ffe1d24b970 R08: 0000000000001000 R09: fefefeff77686d74 [ 22.805255][ T3957] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffe1d24b9b0 [ 22.813217][ T3957] R13: 000055a60158d3c0 R14: 00007ffe1d253a30 R15: 0000000000000000 [ 22.823287][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 22.832425][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.842492][ T1] Call Trace: [ 22.845805][ T1] dump_stack+0x18f/0x20d [ 22.851891][ T1] match_exception_partial+0x2ee/0x340 [ 22.857458][ T1] verify_new_ex+0x176/0x3a0 [ 22.862063][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 22.867573][ T1] ? lock_acquire+0x1f4/0x940 [ 22.872357][ T1] ? kernfs_fop_write+0x1db/0x490 [ 22.877397][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 22.882630][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 22.887454][ T1] ? lock_downgrade+0x840/0x840 [ 22.892327][ T1] cgroup_file_write+0x20d/0x710 [ 22.897283][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 22.902501][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 22.907798][ T1] ? __might_fault+0x190/0x1d0 [ 22.912587][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 22.917890][ T1] kernfs_fop_write+0x268/0x490 [ 22.922759][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 22.927709][ T1] __vfs_write+0x76/0x100 [ 22.932056][ T1] vfs_write+0x268/0x5d0 [ 22.936428][ T1] ksys_write+0x12d/0x250 [ 22.940874][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 22.945642][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 22.951372][ T1] do_syscall_64+0xf6/0x7d0 [ 22.955995][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 22.962131][ T1] RIP: 0033:0x7fe27a852970 [ 22.966529][ T1] Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 7e 9b 01 00 48 89 04 24 [ 22.986463][ T1] RSP: 002b:00007fffc8a459a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 22.994855][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe27a852970 [ 23.003502][ T1] RDX: 000000000000000a RSI: 000055cd2d69d5b0 RDI: 0000000000000027 [ 23.011454][ T1] RBP: 000055cd2d69d5b0 R08: 000055cd2d6a72e0 R09: 00007fe27c288500 [ 23.019601][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 23.027577][ T1] R13: 0000000000000001 R14: 000055cd2d6a7200 R15: 000000000000000a Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Update UTMP about System Boot/Shutdown. [ 24.034995][ C1] random: crng init done [ 24.039320][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. Stopping Network Time Synchronization... [ OK ] Stopped Network Time Synchronization. Starting Network Time Synchronization... [ OK ] Started Network Time Synchronization. [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [* ] (1 of 2) A start job is running for dev-ttyS0.device (15s / 1min 30s) [** ] (1 of 2) A start job is running for dev-ttyS0.device (16s / 1min 30s) [*** ] (1 of 2) A start job is running for dev-ttyS0.device (16s / 1min 30s) [ *** ] (2 of 2) A start job is running for…dplug all Devices (17s / no limit) [ *** ] (2 of 2) A start job is running for…dplug all Devices (18s / no limit) [ OK ] Reached target Sound Card. [ ***] (2 of 2) A start job is running for…dplug all Devices (23s / no limit) [ **] (1 of 2) A start job is running for dev-ttyS0.device (24s / 1min 30s) [ *] (1 of 2) A start job is running for dev-ttyS0.device (24s / 1min 30s) [ **] (1 of 2) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Basic System. [ OK ] Started Regular background program processing daemon. Starting OpenBSD Secure Shell server... Starting Permit User Sessions... Starting getty on tty2-tty6 if dbus and logind are not available... Starting System Logging Service... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started System Logging Service. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started Getty on tty3. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty2. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ 47.027758][ T6551] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 47.039512][ T6551] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 47.047936][ T6551] CPU: 1 PID: 6551 Comm: sshd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 47.056865][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.066938][ T6551] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 47.073009][ T6551] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b4 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 60 49 8d 7f 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 87 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 47.092795][ T6551] RSP: 0018:ffffc90004447450 EFLAGS: 00010206 [ 47.098861][ T6551] RAX: dffffc0000000000 RBX: ffff8880a204c000 RCX: ffffffff8363aeea [ 47.106829][ T6551] RDX: 0000000000000005 RSI: ffffffff8363aef8 RDI: 0000000000000028 [ 47.114822][ T6551] RBP: 1ffff92000888e8b R08: ffff88809dc26240 R09: fffffbfff1559772 [ 47.122793][ T6551] R10: ffffffff8aacbb8f R11: fffffbfff1559771 R12: ffff88808e968fea [ 47.130762][ T6551] R13: ffff88808e968000 R14: 0000000000001997 R15: 0000000000000000 [ 47.138751][ T6551] FS: 00007f5f93feb8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 47.147848][ T6551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.154430][ T6551] CR2: 0000562d28b8c8f5 CR3: 00000000a00d3000 CR4: 00000000001406e0 [ 47.162954][ T6551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.170934][ T6551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.178902][ T6551] Call Trace: [ 47.182201][ T6551] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 47.187573][ T6551] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 47.193413][ T6551] ? __kmalloc+0x62f/0x7a0 [ 47.197831][ T6551] ? tomoyo_realpath_from_path+0xc2/0x620 [ 47.203556][ T6551] ? lock_release+0x800/0x800 [ 47.208233][ T6551] ? __lock_acquire+0x2018/0x3f20 [ 47.213268][ T6551] tomoyo_realpath_from_path+0x393/0x620 [ 47.218909][ T6551] tomoyo_path_number_perm+0x1c2/0x4d0 [ 47.224375][ T6551] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 47.230020][ T6551] ? tomoyo_execute_permission+0x470/0x470 [ 47.235831][ T6551] ? d_alloc_parallel+0x785/0x1b10 [ 47.241117][ T6551] ? d_alloc_parallel+0x9ea/0x1b10 [ 47.246235][ T6551] ? rcu_read_lock_held_common+0x130/0x130 [ 47.252049][ T6551] ? print_usage_bug+0x240/0x240 [ 47.256987][ T6551] tomoyo_path_mknod+0x10d/0x190 [ 47.262013][ T6551] ? tomoyo_path_chown+0x1b0/0x1b0 [ 47.267134][ T6551] ? mark_held_locks+0x9f/0xe0 [ 47.271905][ T6551] ? d_lookup+0xec/0x250 [ 47.276151][ T6551] security_path_mknod+0x116/0x180 [ 47.281266][ T6551] lookup_open+0x5ae/0x1320 [ 47.285859][ T6551] ? page_put_link+0x210/0x210 [ 47.290635][ T6551] ? preempt_count_add+0x74/0x140 [ 47.295655][ T6551] ? __mnt_want_write+0x1da/0x2c0 [ 47.300702][ T6551] path_openat+0x93c/0x27f0 [ 47.305209][ T6551] ? path_lookupat.isra.0+0x530/0x530 [ 47.310577][ T6551] ? up_read+0x1a8/0x750 [ 47.314820][ T6551] ? mark_held_locks+0xe0/0xe0 [ 47.319594][ T6551] ? down_read_nested+0x430/0x430 [ 47.324622][ T6551] do_filp_open+0x192/0x260 [ 47.329825][ T6551] ? may_open_dev+0xf0/0xf0 [ 47.334335][ T6551] ? simple_attr_release+0x40/0x40 [ 47.339457][ T6551] ? _raw_spin_unlock+0x24/0x40 [ 47.344308][ T6551] ? __alloc_fd+0x46d/0x600 [ 47.348814][ T6551] do_sys_openat2+0x585/0x7d0 [ 47.353609][ T6551] ? file_open_root+0x400/0x400 [ 47.358483][ T6551] ? up_read+0x1a8/0x750 [ 47.362749][ T6551] do_sys_open+0xc3/0x140 [ 47.367078][ T6551] ? filp_open+0x70/0x70 [ 47.371324][ T6551] ? handle_mm_fault+0x29e/0x660 [ 47.376279][ T6551] ? trace_hardirqs_off_caller+0x55/0x230 [ 47.382018][ T6551] do_syscall_64+0xf6/0x7d0 [ 47.386539][ T6551] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 47.392431][ T6551] RIP: 0033:0x7f5f921546f0 [ 47.396851][ T6551] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24 [ 47.416458][ T6551] RSP: 002b:00007ffdf5756c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 47.424881][ T6551] RAX: ffffffffffffffda RBX: 0000562d2a928fc0 RCX: 00007f5f921546f0 [ 47.432858][ T6551] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 0000562d28b8c8f5 [ 47.440904][ T6551] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 47.448972][ T6551] R10: 0000000000000240 R11: 0000000000000246 R12: 0000562d28b5d51e [ 47.457035][ T6551] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 47.465013][ T6551] Modules linked in: [ 47.487761][ T6551] ---[ end trace b2b46db0c197fcfd ]--- [ 47.497187][ T6551] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 47.503469][ T6551] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b4 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 60 49 8d 7f 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 87 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 47.524800][ T6551] RSP: 0018:ffffc90004447450 EFLAGS: 00010206 [ 47.541813][ T6551] RAX: dffffc0000000000 RBX: ffff8880a204c000 RCX: ffffffff8363aeea [ 47.550251][ T6551] RDX: 0000000000000005 RSI: ffffffff8363aef8 RDI: 0000000000000028 [ 47.558324][ T6551] RBP: 1ffff92000888e8b R08: ffff88809dc26240 R09: fffffbfff1559772 [ 47.566422][ T6551] R10: ffffffff8aacbb8f R11: fffffbfff1559771 R12: ffff88808e968fea [ 47.574599][ T6551] R13: ffff88808e968000 R14: 0000000000001997 R15: 0000000000000000 [ 47.585891][ T6551] FS: 00007f5f93feb8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 47.595414][ T6551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.635541][ T6551] CR2: 00007fdfd733f000 CR3: 00000000a00d3000 CR4: 00000000001406e0 [ 47.698769][ T6551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.769958][ T6551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.810444][ T6551] Kernel panic - not syncing: Fatal exception [ 47.817972][ T6551] Kernel Offset: disabled [ 47.822306][ T6551] Rebooting in 86400 seconds..