[ 0.000000][ T0] Linux version 5.7.0-rc4-next-20200504-syzkaller (syzkaller@syzkaller) (gcc (GCC) 9.0.0 20181231 (experimental), 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 [ 0.000003][ T0] kvm-clock: cpu 0, msr be46001, primary cpu clock [ 0.000003][ T0] kvm-clock: using sched offset of 3812539346 cycles [ 0.001618][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.006236][ T0] tsc: Detected 2300.000 MHz processor [ 0.010137][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.012250][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014761][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.022343][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.024318][ T0] check: Scanning 1 areas for low memory corruption [ 0.025763][ T0] Using GB pages for direct mapping [ 0.029614][ T0] ACPI: Early table checksum verification disabled [ 0.031963][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.034227][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.037593][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.040080][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.042133][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.042970][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.044091][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.046503][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.049041][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.051417][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.053850][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.054882][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.056211][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.057705][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.059532][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.061286][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.063788][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.067155][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.069161][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.071752][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.073706][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.128604][ T0] Zone ranges: [ 0.129576][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.131136][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.132945][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.134473][ T0] Device empty [ 0.135531][ T0] Movable zone start for each node [ 0.137216][ T0] Early memory node ranges [ 0.138528][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.140177][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.141714][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.143512][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.144996][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.145003][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.176940][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.640687][ T0] kasan: KernelAddressSanitizer initialized [ 0.642710][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.644047][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.645644][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.647445][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.649218][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.651497][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.653882][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.656201][ T0] Using ACPI (MADT) for SMP configuration information [ 0.657492][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.658763][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.660429][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.662280][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.664693][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.666925][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.669099][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.670902][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.673819][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.676169][ T0] Booting paravirtualized kernel on KVM [ 0.677356][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.734139][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.737133][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.739419][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.741930][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.743880][ T0] Policy zone: Normal [ 0.745320][ 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 [ 0.763137][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.667418][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17337K rwdata, 21720K rodata, 2776K init, 24488K bss, 1402688K reserved, 0K cma-reserved) [ 1.677761][ T0] Running RCU self tests [ 1.678634][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.679713][ T0] rcu: RCU lockdep checking is enabled. [ 1.680819][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.682988][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.684992][ T0] Trampoline variant of Tasks RCU enabled. [ 1.687052][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.689319][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.699775][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.702443][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 1.706721][ T0] Console: colour VGA+ 80x25 [ 1.710396][ T0] printk: console [ttyS0] enabled [ 1.710396][ T0] printk: console [ttyS0] enabled [ 1.712958][ T0] printk: bootconsole [earlyser0] disabled [ 1.712958][ T0] printk: bootconsole [earlyser0] disabled [ 1.715263][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.717464][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.718650][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.719605][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.720780][ T0] ... CLASSHASH_SIZE: 4096 [ 1.721661][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.722542][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.723741][ T0] ... CHAINHASH_SIZE: 32768 [ 1.724559][ T0] memory used by lock dependency info: 6301 kB [ 1.725589][ T0] memory used for stack traces: 4224 kB [ 1.726818][ T0] per task-struct memory footprint: 1920 bytes [ 1.729239][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.731951][ T0] ACPI: Core revision 20200326 [ 1.734827][ T0] APIC: Switch to symmetric I/O mode setup [ 1.736582][ T0] x2apic enabled [ 1.738785][ T0] Switched APIC routing to physical x2apic. [ 1.743686][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.745878][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.748335][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.750194][ T0] pid_max: default: 32768 minimum: 301 [ 1.752415][ T0] LSM: Security Framework initializing [ 1.753666][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.758528][ T0] Yama: becoming mindful. [ 1.760109][ T0] TOMOYO Linux initialized [ 1.762470][ T0] AppArmor: AppArmor initialized [ 1.772312][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.777881][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.778687][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.779946][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.785362][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.786671][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.788367][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.789733][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.789772][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.792852][ T0] MDS: Mitigation: Clear CPU buffers [ 1.794356][ T0] Freeing SMP alternatives memory: 96K [ 1.918689][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.921723][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.923622][ T1] rcu: Hierarchical SRCU implementation. [ 1.925098][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.927948][ T1] smp: Bringing up secondary CPUs ... [ 1.933608][ T1] x86: Booting SMP configuration: [ 1.934590][ T1] .... node #0, CPUs: #1 [ 0.046047][ T0] kvm-clock: cpu 1, msr be46041, secondary cpu clock [ 1.937448][ 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. [ 1.938514][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.939294][ T1] smpboot: Max logical packages: 1 [ 1.940006][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.943327][ T1] devtmpfs: initialized [ 1.943327][ T1] x86/mm: Memory block size: 128MB [ 1.978639][ T22] kworker/u4:0 (22) used greatest stack depth: 27456 bytes left [ 1.980892][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.980892][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.982659][ T1] xor: automatically using best checksumming function avx [ 1.984479][ T1] PM: RTC time: 19:13:48, date: 2020-05-04 [ 1.988528][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.988528][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.988565][ T1] NET: Registered protocol family 16 [ 1.991385][ T1] audit: initializing netlink subsys (disabled) [ 1.998453][ T27] audit: type=2000 audit(1588619627.984:1): state=initialized audit_enabled=0 res=1 [ 2.009695][ T1] cpuidle: using governor menu [ 2.013923][ T1] ACPI: bus type PCI registered [ 2.016556][ T1] dca service started, version 1.12.1 [ 2.017855][ T1] PCI: Using configuration type 1 for base access [ 2.191557][ T233] kworker/u4:3 (233) used greatest stack depth: 27336 bytes left [ 2.560218][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.561095][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.561134][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.590650][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.788372][ T1] raid6: avx2x4 gen() 9965 MB/s [ 2.949221][ T1] raid6: avx2x4 xor() 5119 MB/s [ 3.119170][ T1] raid6: avx2x2 gen() 6451 MB/s [ 3.289169][ T1] raid6: avx2x2 xor() 2943 MB/s [ 3.459184][ T1] raid6: avx2x1 gen() 3828 MB/s [ 3.629180][ T1] raid6: avx2x1 xor() 1615 MB/s [ 3.799169][ T1] raid6: sse2x4 gen() 4960 MB/s [ 3.978350][ T1] raid6: sse2x4 xor() 2587 MB/s [ 4.148348][ T1] raid6: sse2x2 gen() 3271 MB/s [ 4.318345][ T1] raid6: sse2x2 xor() 1522 MB/s [ 4.488351][ T1] raid6: sse2x1 gen() 1912 MB/s [ 4.658349][ T1] raid6: sse2x1 xor() 815 MB/s [ 4.659298][ T1] raid6: using algorithm avx2x4 gen() 9965 MB/s [ 4.660218][ T1] raid6: .... xor() 5119 MB/s, rmw enabled [ 4.662062][ T1] raid6: using avx2x2 recovery algorithm [ 4.665327][ T1] ACPI: Added _OSI(Module Device) [ 4.666056][ T1] ACPI: Added _OSI(Processor Device) [ 4.666865][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.667673][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.668362][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.669103][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.669933][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.723942][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.776120][ T1] ACPI: Interpreter enabled [ 4.777185][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.778053][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.778663][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.782855][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.885608][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.886827][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.888508][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.896251][ T1] PCI host bridge to bus 0000:00 [ 4.897033][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.898383][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.899608][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.900702][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.901921][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.903154][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.904315][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.911384][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.933363][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.954184][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.959118][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.967489][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.972901][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.995747][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 5.004251][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 5.010558][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 5.030837][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 5.038379][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 5.043375][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.076532][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.080212][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.085232][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.090110][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.093878][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.105777][ T1] iommu: Default domain type: Translated [ 5.107626][ T1] vgaarb: loaded [ 5.110634][ T1] SCSI subsystem initialized [ 5.110634][ T1] ACPI: bus type USB registered [ 5.118490][ T1] usbcore: registered new interface driver usbfs [ 5.118991][ T1] usbcore: registered new interface driver hub [ 5.118991][ T1] usbcore: registered new device driver usb [ 5.119531][ T1] mc: Linux media interface: v0.10 [ 5.120239][ T1] videodev: Linux video capture interface: v2.00 [ 5.129038][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.129534][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.131897][ T1] PTP clock support registered [ 5.136003][ T1] EDAC MC: Ver: 3.0.0 [ 5.140068][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.142589][ T1] PCI: Using ACPI for IRQ routing [ 5.150423][ T1] Bluetooth: Core ver 2.22 [ 5.152130][ T1] NET: Registered protocol family 31 [ 5.155014][ T1] Bluetooth: HCI device and connection manager initialized [ 5.157299][ T1] Bluetooth: HCI socket layer initialized [ 5.159782][ T1] Bluetooth: L2CAP socket layer initialized [ 5.161195][ T1] Bluetooth: SCO socket layer initialized [ 5.162167][ T1] NET: Registered protocol family 8 [ 5.163595][ T1] NET: Registered protocol family 20 [ 5.165286][ T1] NetLabel: Initializing [ 5.166241][ T1] NetLabel: domain hash size = 128 [ 5.167767][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.168783][ T1] NetLabel: unlabeled traffic allowed by default [ 5.171071][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.171071][ T1] NET: Registered protocol family 39 [ 5.178689][ T1] clocksource: Switched to clocksource kvm-clock [ 8.135394][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.137303][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 8.140551][ T1] FS-Cache: Loaded [ 8.142448][ T1] CacheFiles: Loaded [ 8.143860][ T1] TOMOYO: 2.6.0 [ 8.144640][ T1] Mandatory Access Control activated. [ 8.148950][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.151378][ T1] pnp: PnP ACPI init [ 8.166865][ T1] pnp: PnP ACPI: found 7 devices [ 8.220124][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.223451][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.224973][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.226150][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.227744][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.233962][ T1] NET: Registered protocol family 2 [ 8.238695][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 8.242724][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.252342][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 8.258321][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.261873][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.264047][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.267441][ T1] [ 8.268224][ T1] ============================= [ 8.269425][ T1] WARNING: suspicious RCU usage [ 8.270561][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 8.272444][ T1] ----------------------------- [ 8.273357][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 8.274802][ T1] [ 8.274802][ T1] other info that might help us debug this: [ 8.274802][ T1] [ 8.276665][ T1] [ 8.276665][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 8.279307][ T1] 1 lock held by swapper/0/1: [ 8.280290][ T1] #0: ffffffff8a7a85b0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 8.282555][ T1] [ 8.282555][ T1] stack backtrace: [ 8.283969][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 8.286359][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.289266][ T1] Call Trace: [ 8.289266][ T1] dump_stack+0x18f/0x20d [ 8.289266][ T1] ipmr_get_table+0x130/0x160 [ 8.289266][ T1] ipmr_net_init+0x133/0x430 [ 8.289266][ T1] ? ipmr_net_exit+0x100/0x100 [ 8.289266][ T1] ops_init+0xaf/0x420 [ 8.289266][ T1] register_pernet_operations+0x346/0x840 [ 8.289266][ T1] ? setup_net+0x860/0x860 [ 8.289266][ T1] ? down_write_killable+0x170/0x170 [ 8.289266][ T1] ? cpus_read_unlock+0xa4/0x140 [ 8.289266][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 8.289266][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 8.289266][ T1] register_pernet_subsys+0x25/0x40 [ 8.289266][ T1] ip_mr_init+0x36/0x168 [ 8.289266][ T1] inet_init+0x298/0x424 [ 8.289266][ T1] do_one_initcall+0x10a/0x7d0 [ 8.289266][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 8.289266][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 8.289266][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 8.289266][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 8.289266][ T1] kernel_init_freeable+0x501/0x5ae [ 8.289266][ T1] ? rest_init+0x365/0x365 [ 8.289266][ T1] kernel_init+0xd/0x1bb [ 8.289266][ T1] ret_from_fork+0x24/0x30 [ 8.313419][ T1] NET: Registered protocol family 1 [ 8.316758][ T1] RPC: Registered named UNIX socket transport module. [ 8.318680][ T1] RPC: Registered udp transport module. [ 8.319824][ T1] RPC: Registered tcp transport module. [ 8.321122][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.324325][ T1] NET: Registered protocol family 44 [ 8.325545][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.326708][ T1] PCI: CLS 0 bytes, default 64 [ 8.331284][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.332975][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.338153][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.342831][ T1] kvm: already loaded the other module [ 8.343737][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.345428][ T1] clocksource: Switched to clocksource tsc [ 8.346586][ T1] mce: Machine check injector initialized [ 8.352038][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.413693][ T1] Initialise system trusted keyrings [ 8.415739][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.418281][ T1] zbud: loaded [ 8.427521][ T1] DLM installed [ 8.433500][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.437959][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.441542][ T1] NFS: Registering the id_resolver key type [ 8.443518][ T1] Key type id_resolver registered [ 8.445251][ T1] Key type id_legacy registered [ 8.446405][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.448792][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.455627][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.459224][ T1] Key type cifs.spnego registered [ 8.460326][ T1] Key type cifs.idmap registered [ 8.461817][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.463724][ T1] fuse: init (API version 7.31) [ 8.468627][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.481664][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.487152][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.489966][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.492981][ T1] ocfs2: Registered cluster interface o2cb [ 8.494494][ T1] ocfs2: Registered cluster interface user [ 8.496577][ T1] OCFS2 User DLM kernel interface loaded [ 8.508310][ T1] gfs2: GFS2 installed [ 8.512377][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.513325][ T1] ceph: loaded (mds proto 32) [ 8.525508][ T1] NET: Registered protocol family 38 [ 8.527025][ T1] async_tx: api initialized (async) [ 8.529577][ T1] Key type asymmetric registered [ 8.530470][ T1] Asymmetric key parser 'x509' registered [ 8.531645][ T1] Asymmetric key parser 'pkcs8' registered [ 8.533401][ T1] Key type pkcs7_test registered [ 8.534176][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.536465][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.539595][ T1] io scheduler mq-deadline registered [ 8.540717][ T1] io scheduler kyber registered [ 8.541696][ T1] io scheduler bfq registered [ 8.558738][ T1] hgafb: HGA card not detected. [ 8.559774][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.561224][ T1] usbcore: registered new interface driver udlfb [ 8.566716][ T1] uvesafb: failed to execute /sbin/v86d [ 8.567565][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.568918][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.570240][ T1] uvesafb: vbe_init() failed with -22 [ 8.571114][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.573006][ T1] vga16fb: mapped to 0x00000000c24ffae3 [ 8.641168][ T1] Console: switching to colour frame buffer device 80x30 [ 8.929833][ T1] fb0: VGA16 VGA frame buffer device [ 8.932663][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 8.949160][ T1] ACPI: Power Button [PWRF] [ 8.950892][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 8.952683][ T1] ACPI: Sleep Button [SLPF] [ 8.960141][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.974408][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 8.975511][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.993107][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 8.994192][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 9.013230][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 9.014637][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 9.032175][ T1810] kworker/u4:0 (1810) used greatest stack depth: 27176 bytes left [ 9.147438][ T2011] kworker/u4:0 (2011) used greatest stack depth: 26920 bytes left [ 9.220444][ T2123] kworker/u4:0 (2123) used greatest stack depth: 25728 bytes left [ 9.330201][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.331619][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.333489][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.341114][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.346492][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.353049][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.360553][ T1] Cyclades driver 2.6 [ 9.361954][ T1] Initializing Nozomi driver 2.1d [ 9.365608][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.367104][ T1] No rocketport ports found; unloading driver [ 9.371209][ T1] Non-volatile memory driver v1.3 [ 9.373146][ T1] Linux agpgart interface v0.103 [ 9.382302][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.384022][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.387985][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.389601][ T1] usbcore: registered new interface driver udl [ 9.441067][ T1] brd: module loaded [ 9.476914][ T1] loop: module loaded [ 9.645511][ T1] zram: Added device: zram0 [ 9.657161][ T1] null_blk: module loaded [ 9.664858][ T1] nfcsim 0.2 initialized [ 9.671660][ T1] Loading iSCSI transport class v2.0-870. [ 9.696587][ T1] scsi host0: Virtio SCSI HBA [ 9.743272][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.749328][ T21] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.766523][ T1] slram: not enough parameters. [ 9.774734][ T1] ftl_cs: FTL header not found. [ 9.846707][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.848078][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.850704][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.865052][ T1] MACsec IEEE 802.1AE [ 9.868167][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.915695][ T1] vcan: Virtual CAN interface driver [ 9.916874][ T1] vxcan: Virtual CAN Tunnel driver [ 9.917846][ T1] slcan: serial line CAN interface driver [ 9.919840][ T1] slcan: 10 dynamic interface channels. [ 9.920826][ T1] CAN device driver interface [ 9.923542][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 9.925209][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.927564][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 9.929166][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.931078][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 9.932302][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.936795][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 9.937823][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 9.938715][ T1] AX.25: bpqether driver version 004 [ 9.939609][ T1] PPP generic driver version 2.4.2 [ 9.941939][ T1] PPP BSD Compression module registered [ 9.943013][ T1] PPP Deflate Compression module registered [ 9.944350][ T1] PPP MPPE Compression module registered [ 9.945313][ T1] NET: Registered protocol family 24 [ 9.946268][ T1] PPTP driver version 0.8.5 [ 9.947842][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.949430][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.950760][ T1] SLIP linefill/keepalive option. [ 9.951639][ T1] hdlc: HDLC support module revision 1.22 [ 9.952705][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 9.954407][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 9.955827][ T1] LAPB Ethernet driver version 0.02 [ 9.957490][ T1] usbcore: registered new interface driver rndis_wlan [ 9.959684][ T1] mac80211_hwsim: initializing netlink [ 10.007377][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 10.026199][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 10.041993][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.044073][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 10.047570][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 10.050422][ T1] usbcore: registered new interface driver pegasus [ 10.052742][ T1] usbcore: registered new interface driver rtl8150 [ 10.054379][ T1] usbcore: registered new interface driver r8152 [ 10.056983][ T1] usbcore: registered new interface driver asix [ 10.060626][ T1] usbcore: registered new interface driver ax88179_178a [ 10.062367][ T1] usbcore: registered new interface driver cdc_ether [ 10.064245][ T1] usbcore: registered new interface driver dm9601 [ 10.070098][ T1] usbcore: registered new interface driver smsc75xx [ 10.071742][ T1] usbcore: registered new interface driver smsc95xx [ 10.073432][ T1] usbcore: registered new interface driver net1080 [ 10.076382][ T1] usbcore: registered new interface driver rndis_host [ 10.078213][ T1] usbcore: registered new interface driver cdc_subset [ 10.083079][ T1] usbcore: registered new interface driver zaurus [ 10.084997][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 10.092456][ T1] usbcore: registered new interface driver cdc_ncm [ 10.094027][ T1] usbcore: registered new interface driver cdc_mbim [ 10.103632][ T1] VFIO - User Level meta-driver version: 0.3 [ 10.117278][ T1] aoe: AoE v85 initialised. [ 10.122508][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 10.123728][ T1] ehci-pci: EHCI PCI platform driver [ 10.124725][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 10.126031][ T1] ohci-pci: OHCI PCI platform driver [ 10.127631][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 10.132544][ T1] usbcore: registered new interface driver cdc_acm [ 10.134116][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 10.136496][ T1] usbcore: registered new interface driver usblp [ 10.138422][ T1] usbcore: registered new interface driver cdc_wdm [ 10.142362][ T1] usbcore: registered new interface driver uas [ 10.144267][ T1] usbcore: registered new interface driver usb-storage [ 10.146350][ T1] usbcore: registered new interface driver ums-realtek [ 10.149585][ T1] usbcore: registered new interface driver usbserial_generic [ 10.155084][ T1] usbserial: USB Serial support registered for generic [ 10.156659][ T1] usbcore: registered new interface driver ch341 [ 10.158191][ T1] usbserial: USB Serial support registered for ch341-uart [ 10.161620][ T1] usbcore: registered new interface driver cp210x [ 10.163187][ T1] usbserial: USB Serial support registered for cp210x [ 10.164579][ T1] usbcore: registered new interface driver ftdi_sio [ 10.165888][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.169177][ T1] usbcore: registered new interface driver keyspan [ 10.171471][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.173258][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.175603][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.177206][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.180331][ T1] usbcore: registered new interface driver option [ 10.181657][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 10.183234][ T1] usbcore: registered new interface driver oti6858 [ 10.184457][ T1] usbserial: USB Serial support registered for oti6858 [ 10.185885][ T1] usbcore: registered new interface driver pl2303 [ 10.188057][ T1] usbserial: USB Serial support registered for pl2303 [ 10.190430][ T1] usbcore: registered new interface driver qcserial [ 10.191682][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 10.195055][ T1] usbcore: registered new interface driver sierra [ 10.196276][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 10.199580][ T1] usbcore: registered new interface driver usb_serial_simple [ 10.200865][ T1] usbserial: USB Serial support registered for carelink [ 10.203269][ T1] usbserial: USB Serial support registered for zio [ 10.204533][ T1] usbserial: USB Serial support registered for funsoft [ 10.206804][ T1] usbserial: USB Serial support registered for flashloader [ 10.208300][ T1] usbserial: USB Serial support registered for google [ 10.210182][ T1] usbserial: USB Serial support registered for libtransistor [ 10.212251][ T1] usbserial: USB Serial support registered for vivopay [ 10.214440][ T1] usbserial: USB Serial support registered for moto_modem [ 10.217743][ T1] usbserial: USB Serial support registered for motorola_tetra [ 10.220297][ T1] usbserial: USB Serial support registered for novatel_gps [ 10.222154][ T1] usbserial: USB Serial support registered for hp4x [ 10.223766][ T1] usbserial: USB Serial support registered for suunto [ 10.225181][ T1] usbserial: USB Serial support registered for siemens_mpi [ 10.233693][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.235775][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 10.240423][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 10.243816][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.245300][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.247451][ T1] usb usb1: Product: Dummy host controller [ 10.250923][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.252512][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 10.257731][ T1] hub 1-0:1.0: USB hub found [ 10.261700][ T1] hub 1-0:1.0: 1 port detected [ 10.268217][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.270122][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 10.272648][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 10.276398][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.279210][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.280578][ T1] usb usb2: Product: Dummy host controller [ 10.281398][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.282608][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 10.286399][ T1] hub 2-0:1.0: USB hub found [ 10.287529][ T1] hub 2-0:1.0: 1 port detected [ 10.292320][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.294264][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 10.297796][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 10.302224][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.303810][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.305229][ T1] usb usb3: Product: Dummy host controller [ 10.306331][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.308086][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 10.311890][ T1] hub 3-0:1.0: USB hub found [ 10.312992][ T1] hub 3-0:1.0: 1 port detected [ 10.313902][ C1] random: fast init done [ 10.318099][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.319622][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 10.322783][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 10.325493][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.327124][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.329971][ T381] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.331467][ T381] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.332049][ T21] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.333151][ T381] sd 0:0:1:0: [sda] Write Protect is off [ 10.335338][ T381] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.337118][ T1] usb usb4: Product: Dummy host controller [ 10.338096][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.339785][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 10.343192][ T1] hub 4-0:1.0: USB hub found [ 10.344348][ T1] hub 4-0:1.0: 1 port detected [ 10.348706][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.350643][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 10.353022][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 10.355228][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.359342][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.361270][ T1] usb usb5: Product: Dummy host controller [ 10.362117][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.364041][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 10.367002][ T1] hub 5-0:1.0: USB hub found [ 10.368232][ T1] hub 5-0:1.0: 1 port detected [ 10.370411][ T381] sda: sda1 [ 10.372861][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.374452][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 10.376885][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 10.381639][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.383102][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.385419][ T1] usb usb6: Product: Dummy host controller [ 10.386316][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.386370][ T381] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.387723][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.391702][ T1] hub 6-0:1.0: USB hub found [ 10.392710][ T1] hub 6-0:1.0: 1 port detected [ 10.395783][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.397119][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.399036][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.401052][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.402428][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.404861][ T1] usb usb7: Product: Dummy host controller [ 10.405741][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.406921][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.410394][ T1] hub 7-0:1.0: USB hub found [ 10.411284][ T1] hub 7-0:1.0: 1 port detected [ 10.414395][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.415642][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.417877][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.420359][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.421655][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.422749][ T1] usb usb8: Product: Dummy host controller [ 10.423926][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.425542][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.429279][ T1] hub 8-0:1.0: USB hub found [ 10.431099][ T1] hub 8-0:1.0: 1 port detected [ 10.446971][ T1] using random self ethernet address [ 10.448004][ T1] using random host ethernet address [ 10.450250][ T1] Mass Storage Function, version: 2009/09/11 [ 10.451127][ T1] LUN: removable file: (no medium) [ 10.451916][ T1] no file given for LUN0 [ 10.452643][ T1] printk: console [ttyGS0] disabled [ 10.456274][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.458574][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.460230][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.462004][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.463553][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.465000][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.466205][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.467182][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.468637][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.471529][ T1] hub 9-0:1.0: USB hub found [ 10.472734][ T1] hub 9-0:1.0: 8 ports detected [ 10.478684][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.481379][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.483010][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.485929][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.487252][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.489064][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.490511][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.491755][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.494675][ T1] hub 10-0:1.0: USB hub found [ 10.495595][ T1] hub 10-0:1.0: 8 ports detected [ 10.502034][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.503993][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.505883][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.507272][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.508916][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.509963][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.511269][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.513919][ T1] hub 11-0:1.0: USB hub found [ 10.514915][ T1] hub 11-0:1.0: 8 ports detected [ 10.520478][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.522104][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.523681][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.525475][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.526994][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.529083][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.530361][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.531987][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.535618][ T1] hub 12-0:1.0: USB hub found [ 10.536587][ T1] hub 12-0:1.0: 8 ports detected [ 10.543203][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.544898][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.546825][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.548223][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.549705][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.550954][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.552453][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.555470][ T1] hub 13-0:1.0: USB hub found [ 10.556351][ T1] hub 13-0:1.0: 8 ports detected [ 10.561787][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.563386][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.564927][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.567338][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.569023][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.570456][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.571691][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.574973][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.578680][ T1] hub 14-0:1.0: USB hub found [ 10.580098][ T1] hub 14-0:1.0: 8 ports detected [ 10.586911][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.590497][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.593118][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.594877][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.597091][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.598330][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.600557][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.603444][ T1] hub 15-0:1.0: USB hub found [ 10.604906][ T1] hub 15-0:1.0: 8 ports detected [ 10.613652][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.616845][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.619152][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.622028][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.624935][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.626379][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.627520][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.630223][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.633622][ T1] hub 16-0:1.0: USB hub found [ 10.635000][ T1] hub 16-0:1.0: 8 ports detected [ 10.642135][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.644678][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.646945][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.650151][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.652029][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.653549][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.656433][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.659605][ T1] hub 17-0:1.0: USB hub found [ 10.660928][ T1] hub 17-0:1.0: 8 ports detected [ 10.666239][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.669356][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.671665][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.673790][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.675369][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.677034][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.678461][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.680607][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.683491][ T1] hub 18-0:1.0: USB hub found [ 10.684630][ T1] hub 18-0:1.0: 8 ports detected [ 10.691936][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.694210][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.696758][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.699939][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.702227][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 10.703315][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.705186][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 10.708295][ T1] hub 19-0:1.0: USB hub found [ 10.709676][ T1] hub 19-0:1.0: 8 ports detected [ 10.715196][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.717092][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 10.719689][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.722359][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.725599][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.726986][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 10.728674][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.730515][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 10.734215][ T1] hub 20-0:1.0: USB hub found [ 10.735532][ T1] hub 20-0:1.0: 8 ports detected [ 10.742497][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.744688][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 10.747062][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.750113][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.751724][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 10.752922][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.754974][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 10.758168][ T1] hub 21-0:1.0: USB hub found [ 10.759594][ T1] hub 21-0:1.0: 8 ports detected [ 10.765246][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.767414][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 10.770702][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.772937][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.774940][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.776792][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 10.778126][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.779870][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 10.782798][ T1] hub 22-0:1.0: USB hub found [ 10.784038][ T1] hub 22-0:1.0: 8 ports detected [ 10.791852][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.794335][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 10.797060][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.801227][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.802451][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 10.803895][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.805712][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 10.809229][ T1] hub 23-0:1.0: USB hub found [ 10.811258][ T1] hub 23-0:1.0: 8 ports detected [ 10.816923][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.819898][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 10.822193][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.825309][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.826797][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.828838][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 10.830042][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.831932][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 10.835056][ T1] hub 24-0:1.0: USB hub found [ 10.836161][ T1] hub 24-0:1.0: 8 ports detected [ 10.843300][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.845318][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 10.847595][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.850663][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.852886][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 10.854146][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.856197][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 10.859530][ T1] hub 25-0:1.0: USB hub found [ 10.861139][ T1] hub 25-0:1.0: 8 ports detected [ 10.866881][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.870351][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 10.872541][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.875228][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.876905][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.879100][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 10.880377][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.881585][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 10.884842][ T1] hub 26-0:1.0: USB hub found [ 10.886647][ T1] hub 26-0:1.0: 8 ports detected [ 10.893600][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.896625][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 10.900339][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.902625][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.904111][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 10.905609][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.908150][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 10.911500][ T1] hub 27-0:1.0: USB hub found [ 10.912855][ T1] hub 27-0:1.0: 8 ports detected [ 10.919887][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.922243][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 10.924563][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.927379][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.930056][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.931739][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 10.933126][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.935416][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 10.938411][ T1] hub 28-0:1.0: USB hub found [ 10.939956][ T1] hub 28-0:1.0: 8 ports detected [ 10.946824][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.949028][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 10.951271][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.953504][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.955200][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 10.956450][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.958296][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 10.963063][ T1] hub 29-0:1.0: USB hub found [ 10.964534][ T1] hub 29-0:1.0: 8 ports detected [ 10.971535][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.974121][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 10.976160][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.979738][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.982773][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.984937][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 10.986477][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.988174][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 10.991976][ T1] hub 30-0:1.0: USB hub found [ 10.993913][ T1] hub 30-0:1.0: 8 ports detected [ 11.000960][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.002688][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 11.005936][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.010008][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.012048][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 11.013493][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.016016][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 11.020232][ T1] hub 31-0:1.0: USB hub found [ 11.021627][ T1] hub 31-0:1.0: 8 ports detected [ 11.027375][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.029832][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 11.031658][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.034548][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.036866][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.039144][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 11.040565][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.042509][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 11.046333][ T1] hub 32-0:1.0: USB hub found [ 11.047721][ T1] hub 32-0:1.0: 8 ports detected [ 11.057065][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.059383][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 11.062504][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.065439][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.067940][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 11.069702][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.071129][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 11.073981][ T1] hub 33-0:1.0: USB hub found [ 11.075059][ T1] hub 33-0:1.0: 8 ports detected [ 11.081123][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.084223][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 11.085836][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.087916][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.090178][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.091608][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 11.092713][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.094144][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 11.096897][ T1] hub 34-0:1.0: USB hub found [ 11.098474][ T1] hub 34-0:1.0: 8 ports detected [ 11.106162][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.109681][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 11.112466][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.114230][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.115695][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 11.117147][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.119271][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 11.122403][ T1] hub 35-0:1.0: USB hub found [ 11.123528][ T1] hub 35-0:1.0: 8 ports detected [ 11.129948][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.132189][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 11.133945][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.137319][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.140012][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.141322][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 11.143370][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.145133][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 11.148658][ T1] hub 36-0:1.0: USB hub found [ 11.150156][ T1] hub 36-0:1.0: 8 ports detected [ 11.156747][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.160492][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 11.163057][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.165143][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.167391][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 11.169171][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.172130][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 11.175624][ T1] hub 37-0:1.0: USB hub found [ 11.177078][ T1] hub 37-0:1.0: 8 ports detected [ 11.183443][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.185511][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 11.187797][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.191538][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.193710][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.195625][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 11.198210][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.200181][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 11.203537][ T1] hub 38-0:1.0: USB hub found [ 11.204865][ T1] hub 38-0:1.0: 8 ports detected [ 11.211692][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.214341][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 11.217328][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.220679][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.223046][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 11.224983][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.226898][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 11.230291][ T1] hub 39-0:1.0: USB hub found [ 11.231850][ T1] hub 39-0:1.0: 8 ports detected [ 11.238140][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.241488][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 11.243576][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.245837][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.247955][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.249411][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 11.251055][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 11.253937][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 11.256966][ T1] hub 40-0:1.0: USB hub found [ 11.260183][ T1] hub 40-0:1.0: 8 ports detected [ 11.266934][ T1] usbcore: registered new device driver usbip-host [ 11.271395][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 11.274446][ T1] i8042: Warning: Keylock active [ 11.277382][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 11.279697][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 11.343785][ T1] mousedev: PS/2 mouse device common for all mice [ 11.351756][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 11.359645][ T1] rtc_cmos 00:00: registered as rtc0 [ 11.361236][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 11.363810][ T1] i2c /dev entries driver [ 11.367301][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 11.372271][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 11.375183][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 11.377328][ T1] IR NEC protocol handler initialized [ 11.378669][ T1] IR RC5(x/sz) protocol handler initialized [ 11.379895][ T1] IR RC6 protocol handler initialized [ 11.381371][ T1] IR JVC protocol handler initialized [ 11.382842][ T1] IR Sony protocol handler initialized [ 11.384259][ T1] IR SANYO protocol handler initialized [ 11.385490][ T1] IR Sharp protocol handler initialized [ 11.386953][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 11.388498][ T1] IR XMP protocol handler initialized [ 11.390625][ T1] usbcore: registered new interface driver uvcvideo [ 11.392109][ T1] USB Video Class driver (1.1.1) [ 11.393023][ T1] gspca_main: v2.14.0 registered [ 11.411750][ T1] vivid-000: using single planar format API [ 11.430170][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 11.432436][ T1] vivid-000: V4L2 capture device registered as video3 [ 11.435037][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 11.437424][ T1] vivid-000: V4L2 output device registered as video4 [ 11.440616][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 11.443095][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 11.445249][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 11.446935][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 11.449788][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 11.451948][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 11.454011][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 11.456622][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 11.458802][ T1] vivid-001: using multiplanar format API [ 11.474076][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 11.476584][ T1] vivid-001: V4L2 capture device registered as video7 [ 11.479472][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 11.481602][ T1] vivid-001: V4L2 output device registered as video8 [ 11.483884][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 11.487040][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 11.490219][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 11.492350][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 11.494884][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 11.496451][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 11.499254][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 11.507912][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.510414][ T1] vivid-002: using single planar format API [ 11.525828][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.528446][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.530261][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.533286][ T1] vivid-002: V4L2 output device registered as video12 [ 11.535031][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 11.538128][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 11.541378][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 11.544017][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 11.546161][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 11.550041][ T2532] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.554778][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 11.557445][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 11.561326][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 11.565805][ T1] vivid-003: using multiplanar format API [ 11.584441][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 11.587166][ T1] vivid-003: V4L2 capture device registered as video15 [ 11.590617][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 11.592486][ T1] vivid-003: V4L2 output device registered as video16 [ 11.594934][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 11.597111][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 11.600811][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 11.603544][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 11.607937][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 11.615914][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 11.624356][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 11.633020][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 11.641583][ T1] vivid-004: using single planar format API [ 11.661075][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 11.669246][ T1] vivid-004: V4L2 capture device registered as video19 [ 11.676842][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 11.684836][ T1] vivid-004: V4L2 output device registered as video20 [ 11.692208][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 11.701943][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 11.711600][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 11.719234][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 11.726802][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 11.734576][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 11.742856][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 11.751081][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 11.759423][ T1] vivid-005: using multiplanar format API [ 11.778173][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 11.786250][ T1] vivid-005: V4L2 capture device registered as video23 [ 11.793909][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 11.804081][ T1] vivid-005: V4L2 output device registered as video24 [ 11.812366][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 11.822235][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 11.832122][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 11.839787][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 11.847373][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 11.855301][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 11.863599][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 11.871813][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 11.880121][ T1] vivid-006: using single planar format API [ 11.900234][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 11.908052][ T1] vivid-006: V4L2 capture device registered as video27 [ 11.915738][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 11.923983][ T1] vivid-006: V4L2 output device registered as video28 [ 11.931408][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 11.941245][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 11.951005][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 11.958794][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 11.967339][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 11.975371][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 11.983735][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 11.991942][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 12.000454][ T1] vivid-007: using multiplanar format API [ 12.019625][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 12.027421][ T1] vivid-007: V4L2 capture device registered as video31 [ 12.037733][ T2532] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 12.048103][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 12.056484][ T1] vivid-007: V4L2 output device registered as video32 [ 12.066652][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 12.076527][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 12.086270][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 12.093915][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 12.101448][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 12.109284][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 12.118399][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 12.126632][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 12.134936][ T1] vivid-008: using single planar format API [ 12.154426][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 12.162307][ T1] vivid-008: V4L2 capture device registered as video35 [ 12.170040][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 12.178005][ T1] vivid-008: V4L2 output device registered as video36 [ 12.185650][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 12.197604][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 12.207584][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 12.215244][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 12.222832][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 12.230654][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 12.238999][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 12.247111][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 12.255426][ T1] vivid-009: using multiplanar format API [ 12.274295][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 12.282186][ T1] vivid-009: V4L2 capture device registered as video39 [ 12.289877][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 12.297859][ T1] vivid-009: V4L2 output device registered as video40 [ 12.305425][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 12.315275][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 12.325152][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 12.332787][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 12.340319][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 12.349236][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 12.357859][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 12.366039][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 12.374290][ T1] vivid-010: using single planar format API [ 12.393926][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 12.401814][ T1] vivid-010: V4L2 capture device registered as video43 [ 12.409471][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 12.417420][ T1] vivid-010: V4L2 output device registered as video44 [ 12.424811][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 12.437176][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 12.448153][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 12.449357][ T7] floppy0: no floppy controllers found [ 12.461195][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 12.469404][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 12.477657][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 12.485890][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 12.494057][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 12.502587][ T1] vivid-011: using multiplanar format API [ 12.522179][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 12.530236][ T1] vivid-011: V4L2 capture device registered as video47 [ 12.537898][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 12.546061][ T1] vivid-011: V4L2 output device registered as video48 [ 12.553592][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 12.564336][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 12.574336][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 12.582065][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 12.589633][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 12.597651][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 12.606701][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 12.614943][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 12.623350][ T1] vivid-012: using single planar format API [ 12.642310][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 12.650457][ T1] vivid-012: V4L2 capture device registered as video51 [ 12.658066][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 12.666387][ T1] vivid-012: V4L2 output device registered as video52 [ 12.673877][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 12.683780][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 12.693713][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 12.701369][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 12.709384][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 12.717384][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 12.725897][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 12.734072][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 12.743074][ T1] vivid-013: using multiplanar format API [ 12.762214][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 12.770134][ T1] vivid-013: V4L2 capture device registered as video55 [ 12.777762][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 12.786296][ T1] vivid-013: V4L2 output device registered as video56 [ 12.794434][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 12.804504][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 12.814474][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 12.823445][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 12.831801][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 12.839705][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 12.848514][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 12.856751][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 12.865610][ T1] vivid-014: using single planar format API [ 12.885018][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 12.893181][ T1] vivid-014: V4L2 capture device registered as video59 [ 12.900720][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 12.909014][ T1] vivid-014: V4L2 output device registered as video60 [ 12.916523][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 12.926419][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 12.936297][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 12.944224][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 12.951837][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 12.959874][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 12.968133][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 12.976363][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 12.984922][ T1] vivid-015: using multiplanar format API [ 13.004424][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 13.012542][ T1] vivid-015: V4L2 capture device registered as video63 [ 13.020073][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 13.028079][ T1] vivid-015: V4L2 output device registered as video64 [ 13.035899][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 13.045803][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 13.055680][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 13.063496][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 13.071084][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 13.079150][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 13.087451][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 13.095800][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 13.106926][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 13.115706][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 13.124947][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 13.134118][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 13.144138][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 13.150823][ T1] iTCO_vendor_support: vendor-support=0 [ 13.158583][ T1] device-mapper: uevent: version 1.0.3 [ 13.165113][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 13.176257][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 13.184039][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 13.191559][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 13.199645][ T1] device-mapper: raid: Loading target version 1.15.1 [ 13.207268][ T1] Bluetooth: HCI UART driver ver 2.3 [ 13.212642][ T1] Bluetooth: HCI UART protocol H4 registered [ 13.218741][ T1] Bluetooth: HCI UART protocol BCSP registered [ 13.225019][ T1] Bluetooth: HCI UART protocol LL registered [ 13.231212][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 13.238791][ T1] Bluetooth: HCI UART protocol QCA registered [ 13.244863][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 13.251398][ T1] Bluetooth: HCI UART protocol Marvell registered [ 13.258128][ T1] usbcore: registered new interface driver bfusb [ 13.264910][ T1] usbcore: registered new interface driver btusb [ 13.272362][ T1] CAPI 2.0 started up with major 68 (middleware) [ 13.278831][ T1] Modular ISDN core version 1.1.29 [ 13.285423][ T1] NET: Registered protocol family 34 [ 13.290811][ T1] DSP module 2.0 [ 13.294445][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 13.314550][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 13.321085][ T1] 0 virtual devices registered [ 13.325899][ T1] intel_pstate: CPU model not supported [ 13.335266][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 13.344182][ T1] usnic_verbs:usnic_uiom_init:563: [ 13.344186][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 13.359822][ T1] usnic_verbs:usnic_ib_init:667: [ 13.359828][ T1] Unable to initialize umem with err -1 [ 13.372624][ T1] iscsi: registered transport (iser) [ 13.380131][ T1] SoftiWARP attached [ 13.384215][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.395817][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.412684][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.434444][ T1] hid: raw HID events driver (C) Jiri Kosina [ 13.460697][ T1] usbcore: registered new interface driver usbhid [ 13.467196][ T1] usbhid: USB HID core driver [ 13.492334][ T1] ashmem: initialized [ 13.600797][ T1] usbcore: registered new interface driver snd-usb-audio [ 13.608959][ T1] drop_monitor: Initializing network drop monitor service [ 13.617001][ T1] NET: Registered protocol family 26 [ 13.623624][ T1] GACT probability on [ 13.627709][ T1] Mirror/redirect action on [ 13.632778][ T1] Simple TC action Loaded [ 13.640607][ T1] netem: version 1.3 [ 13.644951][ T1] u32 classifier [ 13.648908][ T1] Performance counters on [ 13.653667][ T1] input device check on [ 13.658145][ T1] Actions configured [ 13.665228][ T1] nf_conntrack_irc: failed to register helpers [ 13.671699][ T1] nf_conntrack_sane: failed to register helpers [ 13.719637][ T1] nf_conntrack_sip: failed to register helpers [ 13.731261][ T1] xt_time: kernel timezone is -0000 [ 13.736770][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 13.745113][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 13.755248][ T1] IPVS: ipvs loaded. [ 13.759463][ T1] IPVS: [rr] scheduler registered. [ 13.764711][ T1] IPVS: [wrr] scheduler registered. [ 13.770067][ T1] IPVS: [lc] scheduler registered. [ 13.775536][ T1] IPVS: [wlc] scheduler registered. [ 13.780820][ T1] IPVS: [fo] scheduler registered. [ 13.787171][ T1] IPVS: [ovf] scheduler registered. [ 13.793825][ T1] IPVS: [lblc] scheduler registered. [ 13.799391][ T1] IPVS: [lblcr] scheduler registered. [ 13.804835][ T1] IPVS: [dh] scheduler registered. [ 13.810551][ T1] IPVS: [sh] scheduler registered. [ 13.815945][ T1] IPVS: [mh] scheduler registered. [ 13.821669][ T1] IPVS: [sed] scheduler registered. [ 13.827201][ T1] IPVS: [nq] scheduler registered. [ 13.833308][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 13.839887][ T1] IPVS: [sip] pe registered. [ 13.844919][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 13.853989][ T1] gre: GRE over IPv4 demultiplexor driver [ 13.859995][ T1] ip_gre: GRE over IPv4 tunneling driver [ 13.872393][ T1] IPv4 over IPsec tunneling driver [ 13.881773][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 13.889935][ T1] Initializing XFRM netlink socket [ 13.895223][ T1] IPsec XFRM device driver [ 13.900844][ T1] NET: Registered protocol family 10 [ 13.906358][ T1] [ 13.908776][ T1] ============================= [ 13.913611][ T1] WARNING: suspicious RCU usage [ 13.918533][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 13.925033][ T1] ----------------------------- [ 13.930186][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 13.937973][ T1] [ 13.937973][ T1] other info that might help us debug this: [ 13.937973][ T1] [ 13.948694][ T1] [ 13.948694][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 13.956735][ T1] 1 lock held by swapper/0/1: [ 13.961445][ T1] #0: ffffffff8a7a85b0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 13.971870][ T1] [ 13.971870][ T1] stack backtrace: [ 13.977763][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 13.981826][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 13.981826][ T1] Call Trace: [ 13.981826][ T1] dump_stack+0x18f/0x20d [ 13.981826][ T1] ip6mr_get_table+0x153/0x180 [ 13.981826][ T1] ip6mr_new_table+0x1b/0x70 [ 13.981826][ T1] ip6mr_net_init+0x133/0x3f0 [ 13.981826][ T1] ? ip6mr_net_exit+0x100/0x100 [ 13.981826][ T1] ops_init+0xaf/0x420 [ 13.981826][ T1] register_pernet_operations+0x346/0x840 [ 13.981826][ T1] ? setup_net+0x860/0x860 [ 13.981826][ T1] ? down_write_killable+0x170/0x170 [ 13.981826][ T1] ? cpus_read_unlock+0xa4/0x140 [ 13.981826][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 13.981826][ T1] ? unix_diag_init+0x11/0x11 [ 13.981826][ T1] register_pernet_subsys+0x25/0x40 [ 13.981826][ T1] ip6_mr_init+0x49/0x152 [ 13.981826][ T1] inet6_init+0x1d7/0x6dc [ 13.981826][ T1] do_one_initcall+0x10a/0x7d0 [ 13.981826][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 13.981826][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 13.981826][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 13.981826][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 13.981826][ T1] kernel_init_freeable+0x501/0x5ae [ 13.981826][ T1] ? rest_init+0x365/0x365 [ 13.981826][ T1] kernel_init+0xd/0x1bb [ 13.981826][ T1] ret_from_fork+0x24/0x30 [ 14.135074][ T1] Segment Routing with IPv6 [ 14.140333][ T1] mip6: Mobile IPv6 [ 14.148887][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 14.160780][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 14.170134][ T1] NET: Registered protocol family 17 [ 14.175632][ T1] NET: Registered protocol family 15 [ 14.181726][ T1] Bridge firewalling registered [ 14.188091][ T1] NET: Registered protocol family 9 [ 14.194152][ T1] X25: Linux Version 0.2 [ 14.229759][ T1] NET: Registered protocol family 6 [ 14.268763][ T1] NET: Registered protocol family 11 [ 14.274280][ T1] NET: Registered protocol family 3 [ 14.279710][ T1] can: controller area network core (rev 20170425 abi 9) [ 14.287181][ T1] NET: Registered protocol family 29 [ 14.292608][ T1] can: raw protocol (rev 20170425) [ 14.297786][ T1] can: broadcast manager protocol (rev 20170425 t) [ 14.304366][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 14.310947][ T1] can: SAE J1939 [ 14.315019][ T1] Bluetooth: RFCOMM TTY layer initialized [ 14.322758][ T1] Bluetooth: RFCOMM socket layer initialized [ 14.329716][ T1] Bluetooth: RFCOMM ver 1.11 [ 14.334329][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 14.340640][ T1] Bluetooth: BNEP filters: protocol multicast [ 14.347023][ T1] Bluetooth: BNEP socket layer initialized [ 14.352935][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 14.359785][ T1] Bluetooth: CMTP socket layer initialized [ 14.365586][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 14.372383][ T1] Bluetooth: HIDP socket layer initialized [ 14.378719][ T1] RPC: Registered rdma transport module. [ 14.384342][ T1] RPC: Registered rdma backchannel transport module. [ 14.394019][ T1] NET: Registered protocol family 33 [ 14.399371][ T1] Key type rxrpc registered [ 14.403854][ T1] Key type rxrpc_s registered [ 14.409517][ T1] NET: Registered protocol family 41 [ 14.415469][ T1] lec:lane_module_init: lec.c: initialized [ 14.421677][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 14.427807][ T1] l2tp_core: L2TP core driver, V2.0 [ 14.433067][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 14.439242][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 14.445808][ T1] l2tp_netlink: L2TP netlink interface [ 14.451473][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 14.458211][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 14.465862][ T1] NET: Registered protocol family 35 [ 14.472240][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 14.489654][ T1] DCCP: Activated CCID 2 (TCP-like) [ 14.495193][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 14.503060][ T1] sctp: Hash tables configured (bind 32/56) [ 14.510566][ T1] NET: Registered protocol family 21 [ 14.516629][ T1] Registered RDS/infiniband transport [ 14.523003][ T1] Registered RDS/tcp transport [ 14.527772][ T1] tipc: Activated (version 2.0.0) [ 14.533291][ T1] NET: Registered protocol family 30 [ 14.539690][ T1] tipc: Started in single node mode [ 14.545386][ T1] NET: Registered protocol family 43 [ 14.551134][ T1] 9pnet: Installing 9P2000 support [ 14.556876][ T1] NET: Registered protocol family 37 [ 14.565956][ T1] NET: Registered protocol family 36 [ 14.571809][ T1] Key type dns_resolver registered [ 14.576951][ T1] Key type ceph registered [ 14.582382][ T1] libceph: loaded (mon/osd proto 15/24) [ 14.590222][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 14.599297][ T1] openvswitch: Open vSwitch switching datapath [ 14.608104][ T1] NET: Registered protocol family 40 [ 14.614157][ T1] mpls_gso: MPLS GSO support [ 14.625350][ T1] IPI shorthand broadcast: enabled [ 14.630789][ T1] AVX2 version of gcm_enc/dec engaged. [ 14.636241][ T1] AES CTR mode by8 optimization enabled [ 14.647410][ T1] sched_clock: Marking stable (14611317779, 36047936)->(14644928482, 2437233) [ 14.658227][ T1] registered taskstats version 1 [ 14.663319][ T1] Loading compiled-in X.509 certificates [ 14.674281][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 14.687043][ T1] zswap: loaded using pool lzo/zbud [ 14.693508][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 14.704434][ T1] Key type ._fscrypt registered [ 14.709317][ T1] Key type .fscrypt registered [ 14.714066][ T1] Key type fscrypt-provisioning registered [ 14.722859][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 14.729707][ T1] FS-Cache: Netfs 'afs' registered for caching [ 14.744916][ T1] Btrfs loaded, crc32c=crc32c-intel [ 14.755138][ T1] Key type big_key registered [ 14.761959][ T1] Key type encrypted registered [ 14.766954][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 14.773557][ T1] ima: No TPM chip found, activating TPM-bypass! [ 14.780294][ T1] ima: Allocated hash algorithm: sha256 [ 14.786089][ T1] ima: No architecture policies found [ 14.791658][ T1] evm: Initialising EVM extended attributes: [ 14.797614][ T1] evm: security.selinux [ 14.801775][ T1] evm: security.SMACK64 [ 14.806005][ T1] evm: security.SMACK64EXEC [ 14.810522][ T1] evm: security.SMACK64TRANSMUTE [ 14.815452][ T1] evm: security.SMACK64MMAP [ 14.819956][ T1] evm: security.apparmor [ 14.824171][ T1] evm: security.ima [ 14.827954][ T1] evm: security.capability [ 14.832384][ T1] evm: HMAC attrs: 0x1 [ 14.838008][ T1] PM: Magic number: 4:477:242 [ 14.843433][ T1] tty ttysf: hash matches [ 14.849905][ T1] printk: console [netcon0] enabled [ 14.855185][ T1] netconsole: network logging started [ 14.864102][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 14.873052][ T1] rdma_rxe: loaded [ 14.877179][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 14.888240][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 14.897184][ T2532] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 14.907172][ T1] ALSA device list: [ 14.911075][ T1] #0: Dummy 1 [ 14.914795][ T1] #1: Loopback 1 [ 14.918601][ T1] #2: Virtual MIDI Card 1 [ 14.918730][ T2532] cfg80211: failed to load regulatory.db [ 14.931713][ T1] md: Waiting for all devices to be available before autodetect [ 14.939622][ T1] md: If you don't use raid, use raid=noautodetect [ 14.950966][ T1] md: Autodetecting RAID arrays. [ 14.956023][ T1] md: autorun ... [ 14.959689][ T1] md: ... autorun DONE. [ 14.985886][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 14.994368][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 15.036281][ T1] devtmpfs: mounted [ 15.050559][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 15.057343][ T1] Kernel memory protection disabled. [ 15.109137][ T1] Run /sbin/init as init process [ 15.675143][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.730953][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.738743][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.814757][ 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) [ 15.836869][ T1] systemd[1]: Detected virtualization kvm. [ 15.842919][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 15.909374][ T1] systemd[1]: Set hostname to . [ 16.314972][ T3888] systemd-cryptse (3888) used greatest stack depth: 25136 bytes left [ 16.325013][ T3884] selinux-autorel (3884) used greatest stack depth: 24848 bytes left [ 16.373460][ T3891] systemd-fstab-generator[3891]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.390559][ T3891] systemd-fstab-generator[3891]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.407827][ T3891] systemd-fstab-generator[3891]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.427934][ T3891] systemd-fstab-g (3891) used greatest stack depth: 23720 bytes left [ 16.559517][ T3883] systemd[3883]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 16.928125][ T1] [ 16.930772][ T1] ============================= [ 16.935603][ T1] WARNING: suspicious RCU usage [ 16.940506][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 16.947147][ T1] ----------------------------- [ 16.952199][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 16.961587][ T1] [ 16.961587][ T1] other info that might help us debug this: [ 16.961587][ T1] [ 16.972115][ T1] [ 16.972115][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 16.980209][ T1] 2 locks held by systemd/1: [ 16.984773][ T1] #0: ffff888098402450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 16.994427][ T1] #1: ffff888098198b50 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 17.004457][ T1] [ 17.004457][ T1] stack backtrace: [ 17.010390][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 17.019312][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.029405][ T1] Call Trace: [ 17.032698][ T1] dump_stack+0x18f/0x20d [ 17.037016][ T1] evm_protected_xattr+0x1c2/0x210 [ 17.042121][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 17.047812][ T1] evm_inode_setxattr+0xc4/0xf0 [ 17.052683][ T1] security_inode_setxattr+0x18f/0x200 [ 17.058139][ T1] vfs_setxattr+0xa7/0xf0 [ 17.062740][ T1] setxattr+0x23d/0x330 [ 17.067013][ T1] ? vfs_setxattr+0xf0/0xf0 [ 17.071521][ T1] ? lock_acquire+0x1f4/0x940 [ 17.076212][ T1] ? mnt_want_write+0x3a/0xb0 [ 17.080899][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 17.087047][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 17.092314][ T1] ? preempt_count_add+0x74/0x140 [ 17.097315][ T1] ? preempt_count_add+0x74/0x140 [ 17.102331][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 17.107351][ T1] path_setxattr+0x170/0x190 [ 17.111920][ T1] ? setxattr+0x330/0x330 [ 17.116245][ T1] ? task_work_run+0x160/0x1b0 [ 17.120989][ T1] __x64_sys_setxattr+0xc0/0x160 [ 17.126033][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 17.131349][ T1] do_syscall_64+0xf6/0x7d0 [ 17.135843][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 17.141733][ T1] RIP: 0033:0x7f5e3511d67a [ 17.146139][ 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 [ 17.165799][ T1] RSP: 002b:00007ffcd6fc91a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 17.174322][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e3511d67a [ 17.182294][ T1] RDX: 00007ffcd6fc9220 RSI: 000055ac054e5f9b RDI: 000055ac0562c380 [ 17.190256][ T1] RBP: 000055ac054e5f9b R08: 0000000000000000 R09: 0000000000000030 [ 17.198218][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffcd6fc9220 [ 17.206174][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 000055ac055e3630 [ 17.215574][ T1] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 17.265073][ T1] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 17.303343][ T1] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ 17.348960][ T1] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 17.390318][ T1] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Listening on udev Control Socket. [ OK ] Created slice system-getty.slice. [ OK ] Listening on Journal Socket. Starting Remount Root and Kernel File Systems... [ OK ] Listening on Journal Audit Socket. [ OK ] Created slice system-serial\x2dgetty.slice. [ 17.629263][ T3898] EXT4-fs (sda1): re-mounted. Opts: (null) [ OK ] Listening on udev Kernel Socket. [ OK ] Listening on Syslog Socket. [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. Mounting /proc/sys/fs/binfmt_misc... Mounting Huge Pages File System... [ OK ] Reached target Slices. [ OK ] Reached target Swap. [ OK ] Listening on Journal Socket (/dev/log). [ OK ] Reached target Sockets. Starting Journal Service... Mounting /sys/kernel/debug... Starting Load Kernel Modules... Mounting /sys/kernel/config... Starting Create Static Device Nodes in /dev... [ OK ] Started Forward Password Requests to Wall Directory Watch. [ OK ] Reached target Encrypted Volumes. [ OK ] Reached target Paths. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Huge Pages File System. [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Load Kernel Modules. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... Mounting FUSE Control File System... Starting Apply Kernel Variables... Starting udev Coldplug all Devices... Starting Load/Save Random Seed... [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Apply Kernel Variables. [ OK ] Started Load/Save Random Seed. [ 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... [ 20.514464][ T3906] systemd-journald[3906]: 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. Starting Update UTMP about System Boot/Shutdown... [ 21.130539][ T1] [ 21.133068][ T1] ============================= [ 21.137934][ T1] WARNING: suspicious RCU usage [ 21.168612][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 21.175234][ T1] ----------------------------- [ 21.188493][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 21.197009][ T1] [ 21.197009][ T1] other info that might help us debug this: [ 21.197009][ T1] [ 21.238438][ T1] [ 21.238438][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 21.248960][ T1] 4 locks held by systemd/1: [ 21.253584][ T1] #0: ffff88809877a450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 21.275974][ T1] #1: ffff8880a7fd1c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 21.286460][ T1] #2: ffff8880a91f43e8 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 21.324873][ T1] #3: ffffffff8a05e7a8 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 21.368513][ T1] [ 21.368513][ T1] stack backtrace: [ 21.374555][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 21.385833][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.396425][ T1] Call Trace: [ 21.399772][ T1] dump_stack+0x18f/0x20d [ 21.404142][ T1] match_exception_partial+0x2ee/0x340 [ 21.409734][ T1] verify_new_ex+0x176/0x3a0 [ 21.415999][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 21.422123][ T1] ? lock_acquire+0x1f4/0x940 [ 21.427081][ T1] ? kernfs_fop_write+0x1db/0x490 [ 21.433093][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.438318][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 21.443103][ T1] ? lock_downgrade+0x840/0x840 [ 21.447998][ T1] cgroup_file_write+0x20d/0x710 [ 21.455467][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.460685][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.465983][ T1] ? __might_fault+0x190/0x1d0 [ 21.471808][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.477201][ T1] kernfs_fop_write+0x268/0x490 [ 21.482080][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 21.487033][ T1] __vfs_write+0x76/0x100 [ 21.491904][ T1] vfs_write+0x268/0x5d0 [ 21.496164][ T1] ksys_write+0x12d/0x250 [ 21.500504][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 21.505436][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 21.511177][ T1] do_syscall_64+0xf6/0x7d0 [ 21.515803][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 21.521733][ T1] RIP: 0033:0x7f5e35111970 [ 21.527996][ 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 [ 21.548910][ T1] RSP: 002b:00007ffcd6fc8d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 21.557597][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5e35111970 [ 21.565838][ T1] RDX: 000000000000000a RSI: 000055ac055f25c0 RDI: 0000000000000029 [ 21.573947][ T1] RBP: 000055ac055f25c0 R08: 000055ac05632350 R09: 00007f5e36b47500 [ 21.582197][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 21.590655][ T1] R13: 0000000000000001 R14: 000055ac05632270 R15: 000000000000000a Starting Network Time Synchronization... [ 21.747922][ T3963] [ 21.758403][ T3963] ============================= [ 21.763402][ T3963] WARNING: suspicious RCU usage [ 21.768264][ T3963] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ OK ] Started Update UTMP about System Boot/Shutdown. [ 21.798517][ T3963] ----------------------------- [ 21.803498][ T3963] drivers/net/hamradio/bpqether.c:130 RCU-list traversed in non-reader section!! [ 21.828410][ T3963] [ 21.828410][ T3963] other info that might help us debug this: [ 21.828410][ T3963] [ 21.848598][ T3963] [ 21.848598][ T3963] rcu_scheduler_active = 2, debug_locks = 1 [ 21.856680][ T3963] 1 lock held by ip/3963: [ 21.878774][ T3963] #0: ffffffff8a7b4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 21.888206][ T3963] [ 21.888206][ T3963] stack backtrace: [ 21.908416][ T3963] CPU: 0 PID: 3963 Comm: ip Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 21.918255][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.928528][ T3963] Call Trace: [ 21.931960][ T3963] dump_stack+0x18f/0x20d [ 21.936322][ T3963] bpq_device_event+0x609/0x75a [ 21.941169][ T3963] notifier_call_chain+0xc0/0x230 [ 21.947158][ T3963] call_netdevice_notifiers_info+0xb5/0x130 [ 21.953163][ T3963] __dev_notify_flags+0x121/0x2c0 [ 21.958348][ T3963] ? dev_change_name+0x700/0x700 [ 21.963521][ T3963] ? dev_set_allmulti+0x30/0x30 [ 21.968413][ T3963] ? print_usage_bug+0x240/0x240 [ 21.973415][ T3963] dev_change_flags+0x100/0x160 [ 21.978255][ T3963] do_setlink+0xa1c/0x35d0 [ 21.982658][ T3963] ? mark_lock+0x129/0x1390 [ 21.987156][ T3963] ? rtnl_getlink+0xab0/0xab0 [ 21.991993][ T3963] ? print_usage_bug+0x240/0x240 [ 21.996923][ T3963] ? mark_lock+0x129/0x1390 [ 22.001700][ T3963] ? mark_lock+0x129/0x1390 [ 22.006185][ T3963] ? memset+0x20/0x40 [ 22.010165][ T3963] ? __nla_validate_parse+0x2dc/0x1c70 [ 22.015629][ T3963] ? nla_get_range_signed+0x520/0x520 [ 22.020981][ T3963] ? mark_held_locks+0xe0/0xe0 [ 22.025722][ T3963] ? deref_stack_reg+0xaa/0xe0 [ 22.030485][ T3963] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 22.037072][ T3963] __rtnl_newlink+0xad0/0x1590 [ 22.041820][ T3963] ? rtnl_link_unregister+0x240/0x240 [ 22.047194][ T3963] ? is_bpf_text_address+0xcb/0x160 [ 22.052410][ T3963] ? kernel_text_address+0x6e/0xe0 [ 22.057518][ T3963] ? __kernel_text_address+0x9/0x30 [ 22.062707][ T3963] ? unwind_get_return_address+0x5a/0xa0 [ 22.068316][ T3963] ? profile_setup.cold+0xc1/0xc1 [ 22.073320][ T3963] ? arch_stack_walk+0x97/0xf0 [ 22.078094][ T3963] ? stack_trace_save+0x8c/0xc0 [ 22.083024][ T3963] ? stack_trace_consume_entry+0x160/0x160 [ 22.088944][ T3963] ? rtnl_newlink+0x46/0xa0 [ 22.093443][ T3963] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.098990][ T3963] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.104947][ T3963] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 22.110734][ T3963] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 22.116278][ T3963] rtnl_newlink+0x64/0xa0 [ 22.120604][ T3963] ? __rtnl_newlink+0x1590/0x1590 [ 22.125631][ T3963] rtnetlink_rcv_msg+0x44e/0xad0 [ 22.130567][ T3963] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.135840][ T3963] ? lock_acquire+0x1f4/0x940 [ 22.140501][ T3963] ? netlink_deliver_tap+0x146/0xcc0 [ 22.145775][ T3963] netlink_rcv_skb+0x15a/0x430 [ 22.150536][ T3963] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.155795][ T3963] ? netlink_ack+0xa60/0xa60 [ 22.160387][ T3963] ? netlink_deliver_tap+0x236/0xcc0 [ 22.165675][ T3963] netlink_unicast+0x537/0x740 [ 22.170428][ T3963] ? netlink_attachskb+0x810/0x810 [ 22.175517][ T3963] ? _copy_from_iter_full+0x25c/0x870 [ 22.180867][ T3963] ? __phys_addr_symbol+0x2c/0x70 [ 22.185868][ T3963] ? __check_object_size+0x171/0x437 [ 22.191135][ T3963] netlink_sendmsg+0x882/0xe10 [ 22.195878][ T3963] ? aa_af_perm+0x260/0x260 [ 22.200380][ T3963] ? netlink_unicast+0x740/0x740 [ 22.205298][ T3963] ? netlink_unicast+0x740/0x740 [ 22.210230][ T3963] sock_sendmsg+0xcf/0x120 [ 22.214638][ T3963] ____sys_sendmsg+0x6bf/0x7e0 [ 22.219380][ T3963] ? mark_held_locks+0xe0/0xe0 [ 22.224121][ T3963] ? kernel_sendmsg+0x50/0x50 [ 22.228777][ T3963] ? find_held_lock+0x2d/0x110 [ 22.233530][ T3963] ? mark_lock+0x129/0x1390 [ 22.238012][ T3963] ___sys_sendmsg+0x100/0x170 [ 22.242731][ T3963] ? sendmsg_copy_msghdr+0x70/0x70 [ 22.247838][ T3963] ? migration_entry_to_page+0x310/0x310 [ 22.253473][ T3963] ? do_raw_spin_unlock+0x171/0x260 [ 22.258755][ T3963] ? find_held_lock+0x2d/0x110 [ 22.263496][ T3963] ? do_page_fault+0x59e/0x13da [ 22.268673][ T3963] ? vm_insert_pages+0x6a0/0x6a0 [ 22.273587][ T3963] ? lock_downgrade+0x840/0x840 [ 22.284670][ T3963] ? __fget_light+0x1ab/0x270 [ 22.290038][ T3963] __sys_sendmsg+0xec/0x1b0 [ 22.294538][ T3963] ? __sys_sendmsg_sock+0xb0/0xb0 [ 22.299658][ T3963] ? down_read_nested+0x430/0x430 [ 22.304683][ T3963] ? trace_hardirqs_off_caller+0x55/0x230 [ 22.310407][ T3963] ? do_syscall_64+0x21/0x7d0 [ 22.315064][ T3963] do_syscall_64+0xf6/0x7d0 [ 22.319578][ T3963] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 22.325489][ T3963] RIP: 0033:0x7f4213483dc7 [ 22.329909][ T3963] 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 [ 22.349495][ T3963] RSP: 002b:00007ffd0295c0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.357918][ T3963] RAX: ffffffffffffffda RBX: 000000005eb06980 RCX: 00007f4213483dc7 [ 22.365881][ T3963] RDX: 0000000000000000 RSI: 00007ffd0295c0f0 RDI: 0000000000000003 [ 22.373837][ T3963] RBP: 00007ffd0295c0f0 R08: 0000000000001000 R09: fefefeff77686d74 [ 22.383175][ T3963] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffd0295c130 [ 22.391131][ T3963] R13: 000055bd18e6a3c0 R14: 00007ffd029641b0 R15: 0000000000000000 [ 22.500510][ T3963] ip (3963) used greatest stack depth: 23488 bytes left [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 23.282941][ C1] random: crng init done [ 23.287266][ C1] random: 7 urandom warning(s) missed due to ratelimiting Stopping Network Time Synchronization... [ 24.757277][ T3961] systemd-timesyn (3961) used greatest stack depth: 23048 bytes left [ OK ] Stopped Network Time Synchronization. Starting Network Time Synchronization... [ OK ] Started Network Time Synchronization. [ 26.576216][ T3955] dhclient (3955) used greatest stack depth: 23024 bytes left [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [* ] (1 of 2) A start job is running for…dplug all Devices (15s / no limit) [** ] (1 of 2) A start job is running for…dplug all Devices (16s / no limit) [*** ] (1 of 2) A start job is running for…dplug all Devices (16s / no limit) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (17s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (17s / 1min 30s) [ ***] (2 of 2) A start job is running for dev-ttyS0.device (18s / 1min 30s) [ **] (1 of 2) A start job is running for…dplug all Devices (18s / no limit) [ *] (1 of 2) A start job is running for…dplug all Devices (19s / no limit) [ OK ] Reached target Sound Card. [ **] (1 of 2) A start job is running for…dplug all Devices (24s / no limit) [ ***] (2 of 2) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (26s / 1min 30s) [*** ] (1 of 2) A start job is running for…dplug all Devices (26s / no limit) [** ] (1 of 2) A start job is running for…dplug all Devices (27s / no limit) [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Reached target Basic System. [ OK ] Started Regular background program processing daemon. Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. [ 50.717507][ T6698] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 50.729251][ T6698] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 50.737668][ T6698] CPU: 1 PID: 6698 Comm: sshd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 50.746604][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.756678][ T6698] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 50.762869][ T6698] 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 [ 50.782479][ T6698] RSP: 0018:ffffc90004127450 EFLAGS: 00010206 [ 50.788560][ T6698] RAX: dffffc0000000000 RBX: ffff888098dbc000 RCX: ffffffff8363a26a [ 50.796541][ T6698] RDX: 0000000000000005 RSI: ffffffff8363a278 RDI: 0000000000000028 [ 50.804546][ T6698] RBP: 1ffff92000824e8b R08: ffff8880914d8280 R09: fffffbfff1559b2a [ 50.813302][ T6698] R10: ffffffff8aacd94f R11: fffffbfff1559b29 R12: ffff888091af2fea [ 50.821280][ T6698] R13: ffff888091af2000 R14: 0000000000001a2a R15: 0000000000000000 [ 50.829263][ T6698] FS: 00007f2d883c98c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 50.838192][ T6698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.844791][ T6698] CR2: 0000555bf5bcb8f5 CR3: 00000000914bd000 CR4: 00000000001406e0 [ 50.852773][ T6698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.860852][ T6698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.868823][ T6698] Call Trace: [ 50.872130][ T6698] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 50.877512][ T6698] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 50.883328][ T6698] ? __kmalloc+0x62f/0x7a0 [ 50.887756][ T6698] ? tomoyo_realpath_from_path+0xc2/0x620 [ 50.893484][ T6698] ? lock_release+0x800/0x800 [ 50.898170][ T6698] ? __lock_acquire+0x2018/0x3f20 [ 50.903204][ T6698] tomoyo_realpath_from_path+0x393/0x620 [ 50.908849][ T6698] tomoyo_path_number_perm+0x1c2/0x4d0 [ 50.914313][ T6698] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 50.919964][ T6698] ? tomoyo_execute_permission+0x470/0x470 [ 50.925797][ T6698] ? d_alloc_parallel+0x785/0x1b10 [ 50.930928][ T6698] ? d_alloc_parallel+0x9ea/0x1b10 [ 50.936065][ T6698] ? rcu_read_lock_held_common+0x130/0x130 [ 50.941882][ T6698] ? print_usage_bug+0x240/0x240 [ 50.946844][ T6698] tomoyo_path_mknod+0x10d/0x190 [ 50.951795][ T6698] ? tomoyo_path_chown+0x1b0/0x1b0 [ 50.957017][ T6698] ? mark_held_locks+0x9f/0xe0 [ 50.961794][ T6698] ? d_lookup+0xec/0x250 [ 50.966323][ T6698] security_path_mknod+0x116/0x180 [ 50.971455][ T6698] lookup_open+0x5ae/0x1320 [ 50.976092][ T6698] ? page_put_link+0x210/0x210 [ 50.980876][ T6698] ? preempt_count_add+0x74/0x140 [ 50.986008][ T6698] ? __mnt_want_write+0x1da/0x2c0 [ 50.991044][ T6698] path_openat+0x93c/0x27f0 [ 50.995567][ T6698] ? path_lookupat.isra.0+0x530/0x530 [ 51.000950][ T6698] ? up_read+0x1a8/0x750 [ 51.005207][ T6698] ? mark_held_locks+0xe0/0xe0 [ 51.009977][ T6698] ? down_read_nested+0x430/0x430 [ 51.015017][ T6698] do_filp_open+0x192/0x260 [ 51.019535][ T6698] ? may_open_dev+0xf0/0xf0 [ 51.024061][ T6698] ? simple_attr_release+0x40/0x40 [ 51.029188][ T6698] ? _raw_spin_unlock+0x24/0x40 [ 51.034052][ T6698] ? __alloc_fd+0x46d/0x600 [ 51.038570][ T6698] do_sys_openat2+0x585/0x7d0 [ 51.043260][ T6698] ? file_open_root+0x400/0x400 [ 51.048115][ T6698] ? up_read+0x1a8/0x750 [ 51.052978][ T6698] do_sys_open+0xc3/0x140 [ 51.059403][ T6698] ? filp_open+0x70/0x70 [ 51.063739][ T6698] ? handle_mm_fault+0x29e/0x660 [ 51.068685][ T6698] ? trace_hardirqs_off_caller+0x55/0x230 [ 51.074413][ T6698] do_syscall_64+0xf6/0x7d0 [ 51.078932][ T6698] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.084829][ T6698] RIP: 0033:0x7f2d865326f0 [ 51.089248][ T6698] 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 [ 51.108855][ T6698] RSP: 002b:00007ffd92479d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 51.117269][ T6698] RAX: ffffffffffffffda RBX: 0000555bf6d2dfc0 RCX: 00007f2d865326f0 [ 51.125248][ T6698] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 0000555bf5bcb8f5 [ 51.133223][ T6698] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 51.141196][ T6698] R10: 0000000000000240 R11: 0000000000000246 R12: 0000555bf5b9c51e [ 51.151078][ T6698] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 51.159137][ T6698] Modules linked in: [ 52.242987][ T6698] ---[ end trace 4c8877727e4975be ]--- [ 52.248516][ T6698] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 52.279054][ T6698] 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 [ 52.424544][ T6698] RSP: 0018:ffffc90004127450 EFLAGS: 00010206 [ 52.431239][ T6698] RAX: dffffc0000000000 RBX: ffff888098dbc000 RCX: ffffffff8363a26a [ 52.463589][ T6698] RDX: 0000000000000005 RSI: ffffffff8363a278 RDI: 0000000000000028 [ 52.488991][ T6698] RBP: 1ffff92000824e8b R08: ffff8880914d8280 R09: fffffbfff1559b2a [ 52.554573][ T6698] R10: ffffffff8aacd94f R11: fffffbfff1559b29 R12: ffff888091af2fea [ 52.620863][ T6698] R13: ffff888091af2000 R14: 0000000000001a2a R15: 0000000000000000 [ 52.687520][ T6698] FS: 00007f2d883c98c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 52.764293][ T6698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.812297][ T6698] CR2: 00007f5061965000 CR3: 00000000914bd000 CR4: 00000000001406e0 [ 52.831102][ T6698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.874294][ T6698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.883266][ T6698] Kernel panic - not syncing: Fatal exception [ 52.890562][ T6698] Kernel Offset: disabled [ 52.895365][ T6698] Rebooting in 86400 seconds..