[ 0.000000][ T0] Linux version 5.7.0-rc3-next-20200430-syzkaller (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000004][ T0] kvm-clock: cpu 0, msr be42001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 4393799657 cycles [ 0.001242][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004315][ T0] tsc: Detected 2300.000 MHz processor [ 0.007167][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.008424][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.009574][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.017061][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.018243][ T0] check: Scanning 1 areas for low memory corruption [ 0.019223][ T0] Using GB pages for direct mapping [ 0.022284][ T0] ACPI: Early table checksum verification disabled [ 0.023285][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.024366][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.025941][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.028262][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.029893][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.030781][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.031788][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033336][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.034774][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036911][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.038687][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.039735][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.040571][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.042718][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.043720][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.045165][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.047866][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.049730][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.050855][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.052542][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.054467][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.108426][ T0] Zone ranges: [ 0.109366][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.110401][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.111880][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.113137][ T0] Device empty [ 0.113757][ T0] Movable zone start for each node [ 0.114515][ T0] Early memory node ranges [ 0.115609][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.116716][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.117642][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.118639][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.119716][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.119723][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.150289][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.607759][ T0] kasan: KernelAddressSanitizer initialized [ 0.609551][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.610709][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.612066][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.613820][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.615133][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.616298][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.617754][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.618912][ T0] Using ACPI (MADT) for SMP configuration information [ 0.619999][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.620974][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.622800][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.624094][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.625737][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.627679][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.630201][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.632276][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.633679][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.634797][ T0] Booting paravirtualized kernel on KVM [ 0.635819][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.693236][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.696220][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.697707][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.699111][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.701013][ T0] Policy zone: Normal [ 0.702242][ 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 [ 0.715585][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.633813][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17329K rwdata, 21708K rodata, 2776K init, 24504K bss, 1402688K reserved, 0K cma-reserved) [ 1.642068][ T0] Running RCU self tests [ 1.642782][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.643750][ T0] rcu: RCU lockdep checking is enabled. [ 1.644697][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.645702][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.646802][ T0] Trampoline variant of Tasks RCU enabled. [ 1.647814][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.649010][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.658452][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.660331][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 1.664661][ T0] Console: colour VGA+ 80x25 [ 1.667556][ T0] printk: console [ttyS0] enabled [ 1.667556][ T0] printk: console [ttyS0] enabled [ 1.669196][ T0] printk: bootconsole [earlyser0] disabled [ 1.669196][ T0] printk: bootconsole [earlyser0] disabled [ 1.671168][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.672554][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.673440][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.674193][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.675301][ T0] ... CLASSHASH_SIZE: 4096 [ 1.676218][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.677014][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.677776][ T0] ... CHAINHASH_SIZE: 32768 [ 1.678568][ T0] memory used by lock dependency info: 6301 kB [ 1.679471][ T0] memory used for stack traces: 4224 kB [ 1.680337][ T0] per task-struct memory footprint: 1920 bytes [ 1.681703][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.683846][ T0] ACPI: Core revision 20200326 [ 1.686692][ T0] APIC: Switch to symmetric I/O mode setup [ 1.688315][ T0] x2apic enabled [ 1.691116][ T0] Switched APIC routing to physical x2apic. [ 1.695637][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.697008][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.699189][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.700816][ T0] pid_max: default: 32768 minimum: 301 [ 1.703071][ T0] LSM: Security Framework initializing [ 1.703986][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.705309][ T0] Yama: becoming mindful. [ 1.706168][ T0] TOMOYO Linux initialized [ 1.710361][ T0] AppArmor: AppArmor initialized [ 1.718365][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.722977][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.724968][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.726719][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.732972][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.734279][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.735459][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.737096][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.737133][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.739237][ T0] MDS: Mitigation: Clear CPU buffers [ 1.740908][ T0] Freeing SMP alternatives memory: 96K [ 1.866635][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.869177][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.869177][ T1] rcu: Hierarchical SRCU implementation. [ 1.869177][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.869177][ T1] smp: Bringing up secondary CPUs ... [ 1.874430][ T1] x86: Booting SMP configuration: [ 1.875317][ T1] .... node #0, CPUs: #1 [ 0.049007][ T0] kvm-clock: cpu 1, msr be42041, secondary cpu clock [ 1.879293][ 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. [ 1.881580][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.882696][ T1] smpboot: Max logical packages: 1 [ 1.883551][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.886896][ T1] devtmpfs: initialized [ 1.886896][ T1] x86/mm: Memory block size: 128MB [ 1.913171][ T22] kworker/u4:0 (22) used greatest stack depth: 27456 bytes left [ 1.919341][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.921131][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.923499][ T1] xor: automatically using best checksumming function avx [ 1.925842][ T1] PM: RTC time: 14:10:12, date: 2020-04-30 [ 1.926885][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.926889][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.932022][ T1] NET: Registered protocol family 16 [ 1.938088][ T1] audit: initializing netlink subsys (disabled) [ 1.939323][ T27] audit: type=2000 audit(1588255812.498:1): state=initialized audit_enabled=0 res=1 [ 1.946704][ T1] cpuidle: using governor menu [ 1.952460][ T1] ACPI: bus type PCI registered [ 1.954941][ T1] dca service started, version 1.12.1 [ 1.956006][ T1] PCI: Using configuration type 1 for base access [ 2.045893][ T167] kworker/u4:3 (167) used greatest stack depth: 27336 bytes left [ 2.302287][ T781] kworker/u4:3 (781) used greatest stack depth: 26944 bytes left [ 2.494480][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.494489][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.494489][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.520116][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.719227][ T1] raid6: avx2x4 gen() 11468 MB/s [ 2.889235][ T1] raid6: avx2x4 xor() 5857 MB/s [ 3.059231][ T1] raid6: avx2x2 gen() 8318 MB/s [ 3.219551][ T1] raid6: avx2x2 xor() 3605 MB/s [ 3.399231][ T1] raid6: avx2x1 gen() 4582 MB/s [ 3.569204][ T1] raid6: avx2x1 xor() 1933 MB/s [ 3.739198][ T1] raid6: sse2x4 gen() 6022 MB/s [ 3.909211][ T1] raid6: sse2x4 xor() 3166 MB/s [ 4.069538][ T1] raid6: sse2x2 gen() 4169 MB/s [ 4.239543][ T1] raid6: sse2x2 xor() 1826 MB/s [ 4.409546][ T1] raid6: sse2x1 gen() 2355 MB/s [ 4.579548][ T1] raid6: sse2x1 xor() 976 MB/s [ 4.580400][ T1] raid6: using algorithm avx2x4 gen() 11468 MB/s [ 4.581512][ T1] raid6: .... xor() 5857 MB/s, rmw enabled [ 4.582797][ T1] raid6: using avx2x2 recovery algorithm [ 4.590126][ T1] ACPI: Added _OSI(Module Device) [ 4.590126][ T1] ACPI: Added _OSI(Processor Device) [ 4.590126][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.590126][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.590126][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.590126][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.590129][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.644319][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.711055][ T1] ACPI: Interpreter enabled [ 4.712272][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.713024][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.719200][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.719420][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.824232][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.825565][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.827862][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.844930][ T1] PCI host bridge to bus 0000:00 [ 4.845799][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.847202][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.848329][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.849208][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.850675][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.852092][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.853385][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.859336][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.884422][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.906754][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.910073][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.921676][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.927674][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.949801][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.959226][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.965017][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 4.979766][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 4.991242][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.996871][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.020331][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.025039][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.030638][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.035100][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.038481][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.058450][ T1] iommu: Default domain type: Translated [ 5.062457][ T1] vgaarb: loaded [ 5.063225][ T1] SCSI subsystem initialized [ 5.070752][ T1] ACPI: bus type USB registered [ 5.072446][ T1] usbcore: registered new interface driver usbfs [ 5.073784][ T1] usbcore: registered new interface driver hub [ 5.075151][ T1] usbcore: registered new device driver usb [ 5.077566][ T1] mc: Linux media interface: v0.10 [ 5.078530][ T1] videodev: Linux video capture interface: v2.00 [ 5.079888][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.080322][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.080361][ T1] PTP clock support registered [ 5.080361][ T1] EDAC MC: Ver: 3.0.0 [ 5.091629][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.093525][ T1] PCI: Using ACPI for IRQ routing [ 5.098160][ T1] Bluetooth: Core ver 2.22 [ 5.100745][ T1] NET: Registered protocol family 31 [ 5.101588][ T1] Bluetooth: HCI device and connection manager initialized [ 5.103069][ T1] Bluetooth: HCI socket layer initialized [ 5.103878][ T1] Bluetooth: L2CAP socket layer initialized [ 5.104742][ T1] Bluetooth: SCO socket layer initialized [ 5.105636][ T1] NET: Registered protocol family 8 [ 5.106337][ T1] NET: Registered protocol family 20 [ 5.107534][ T1] NetLabel: Initializing [ 5.108237][ T1] NetLabel: domain hash size = 128 [ 5.110177][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.111539][ T1] NetLabel: unlabeled traffic allowed by default [ 5.114265][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.115389][ T1] NET: Registered protocol family 39 [ 5.120918][ T1] clocksource: Switched to clocksource kvm-clock [ 7.857084][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.858437][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.860713][ T1] FS-Cache: Loaded [ 7.862618][ T1] CacheFiles: Loaded [ 7.863797][ T1] TOMOYO: 2.6.0 [ 7.864744][ T1] Mandatory Access Control activated. [ 7.867620][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.869504][ T1] pnp: PnP ACPI init [ 7.883677][ T1] pnp: PnP ACPI: found 7 devices [ 7.936627][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.938262][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.941912][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.943372][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.944628][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 7.947447][ T1] NET: Registered protocol family 2 [ 7.952770][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 7.956189][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 7.964175][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 7.968769][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 7.972018][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.974186][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.976215][ T1] [ 7.976596][ T1] ============================= [ 7.977525][ T1] WARNING: suspicious RCU usage [ 7.978231][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 7.979889][ T1] ----------------------------- [ 7.980835][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 7.982427][ T1] [ 7.982427][ T1] other info that might help us debug this: [ 7.982427][ T1] [ 7.983960][ T1] [ 7.983960][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 7.985138][ T1] 1 lock held by swapper/0/1: [ 7.985781][ T1] #0: ffffffff8a7a6df0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 7.987555][ T1] [ 7.987555][ T1] stack backtrace: [ 7.988442][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 7.989410][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.989410][ T1] Call Trace: [ 7.989410][ T1] dump_stack+0x18f/0x20d [ 7.989410][ T1] ipmr_get_table+0x130/0x160 [ 7.989410][ T1] ipmr_net_init+0x133/0x430 [ 7.989410][ T1] ? ipmr_net_exit+0x100/0x100 [ 7.989410][ T1] ops_init+0xaf/0x420 [ 7.989410][ T1] register_pernet_operations+0x346/0x840 [ 7.989410][ T1] ? setup_net+0x860/0x860 [ 7.989410][ T1] ? down_write_killable+0x170/0x170 [ 7.989410][ T1] ? cpus_read_unlock+0xa4/0x140 [ 7.989410][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 7.989410][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 7.989410][ T1] register_pernet_subsys+0x25/0x40 [ 7.989410][ T1] ip_mr_init+0x36/0x168 [ 7.989410][ T1] inet_init+0x298/0x424 [ 7.989410][ T1] do_one_initcall+0x10a/0x7d0 [ 7.989410][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 7.989410][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 7.989410][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 7.989410][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 7.989410][ T1] kernel_init_freeable+0x501/0x5ae [ 7.989410][ T1] ? rest_init+0x365/0x365 [ 7.989410][ T1] kernel_init+0xd/0x1bb [ 7.989410][ T1] ret_from_fork+0x24/0x30 [ 8.012451][ T1] NET: Registered protocol family 1 [ 8.015255][ T1] RPC: Registered named UNIX socket transport module. [ 8.016454][ T1] RPC: Registered udp transport module. [ 8.017308][ T1] RPC: Registered tcp transport module. [ 8.018050][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.021947][ T1] NET: Registered protocol family 44 [ 8.022928][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.024513][ T1] PCI: CLS 0 bytes, default 64 [ 8.028835][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.030154][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.034768][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.039261][ T1] kvm: already loaded the other module [ 8.040127][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.041857][ T1] clocksource: Switched to clocksource tsc [ 8.043315][ T1] mce: Machine check injector initialized [ 8.048421][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.114936][ T1] Initialise system trusted keyrings [ 8.116916][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.118656][ T1] zbud: loaded [ 8.125530][ T1] DLM installed [ 8.128767][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.132946][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.135388][ T1] NFS: Registering the id_resolver key type [ 8.136539][ T1] Key type id_resolver registered [ 8.138091][ T1] Key type id_legacy registered [ 8.138932][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.140292][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.147046][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.149433][ T1] Key type cifs.spnego registered [ 8.150547][ T1] Key type cifs.idmap registered [ 8.151374][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.153287][ T1] fuse: init (API version 7.31) [ 8.156505][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.170576][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.175661][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.177502][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.179387][ T1] ocfs2: Registered cluster interface o2cb [ 8.180902][ T1] ocfs2: Registered cluster interface user [ 8.182460][ T1] OCFS2 User DLM kernel interface loaded [ 8.193329][ T1] gfs2: GFS2 installed [ 8.198097][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.199454][ T1] ceph: loaded (mds proto 32) [ 8.211401][ T1] NET: Registered protocol family 38 [ 8.212823][ T1] async_tx: api initialized (async) [ 8.214023][ T1] Key type asymmetric registered [ 8.214777][ T1] Asymmetric key parser 'x509' registered [ 8.215616][ T1] Asymmetric key parser 'pkcs8' registered [ 8.216558][ T1] Key type pkcs7_test registered [ 8.217367][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.218526][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.220723][ T1] io scheduler mq-deadline registered [ 8.221746][ T1] io scheduler kyber registered [ 8.222731][ T1] io scheduler bfq registered [ 8.239642][ T1] hgafb: HGA card not detected. [ 8.240668][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.242219][ T1] usbcore: registered new interface driver udlfb [ 8.245444][ T1] uvesafb: failed to execute /sbin/v86d [ 8.246481][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.247773][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.249020][ T1] uvesafb: vbe_init() failed with -22 [ 8.250146][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.251910][ T1] vga16fb: mapped to 0x00000000a0d7c3f5 [ 8.318600][ T1] Console: switching to colour frame buffer device 80x30 [ 8.607077][ T1] fb0: VGA16 VGA frame buffer device [ 8.609909][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 8.620011][ T1] ACPI: Power Button [PWRF] [ 8.621853][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 8.623615][ T1] ACPI: Sleep Button [SLPF] [ 8.631732][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.646205][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 8.647551][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.663896][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 8.665039][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 8.688044][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 8.689076][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 8.715203][ T1832] kworker/u4:4 (1832) used greatest stack depth: 26920 bytes left [ 8.980496][ T1] N_HDLC line discipline registered with maxframe=4096 [ 8.982616][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 8.984544][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 8.991708][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 8.996856][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.006043][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.015407][ T1] Cyclades driver 2.6 [ 9.016708][ T1] Initializing Nozomi driver 2.1d [ 9.018501][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.019934][ T1] No rocketport ports found; unloading driver [ 9.023377][ T1] Non-volatile memory driver v1.3 [ 9.025329][ T1] Linux agpgart interface v0.103 [ 9.035217][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.037127][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.041541][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.042878][ T1] usbcore: registered new interface driver udl [ 9.095670][ T1] brd: module loaded [ 9.132770][ T1] loop: module loaded [ 9.306379][ T1] zram: Added device: zram0 [ 9.314284][ T1] null_blk: module loaded [ 9.321587][ T1] nfcsim 0.2 initialized [ 9.324976][ T1] Loading iSCSI transport class v2.0-870. [ 9.356073][ T1] scsi host0: Virtio SCSI HBA [ 9.401726][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.406147][ T7] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.433641][ T1] slram: not enough parameters. [ 9.445005][ T1] ftl_cs: FTL header not found. [ 9.505943][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.507498][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.509699][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.523295][ T1] MACsec IEEE 802.1AE [ 9.525380][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.588462][ T1] vcan: Virtual CAN interface driver [ 9.589700][ T1] vxcan: Virtual CAN Tunnel driver [ 9.590688][ T1] slcan: serial line CAN interface driver [ 9.592713][ T1] slcan: 10 dynamic interface channels. [ 9.594118][ T1] CAN device driver interface [ 9.597168][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 9.598449][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.600346][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 9.602219][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.603840][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 9.607341][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.611254][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 9.612644][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 9.613703][ T1] AX.25: bpqether driver version 004 [ 9.614659][ T1] PPP generic driver version 2.4.2 [ 9.617390][ T1] PPP BSD Compression module registered [ 9.618405][ T1] PPP Deflate Compression module registered [ 9.619837][ T1] PPP MPPE Compression module registered [ 9.620811][ T1] NET: Registered protocol family 24 [ 9.622141][ T1] PPTP driver version 0.8.5 [ 9.623744][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.625379][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.626976][ T1] SLIP linefill/keepalive option. [ 9.627819][ T1] hdlc: HDLC support module revision 1.22 [ 9.628857][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 9.631510][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 9.632910][ T1] LAPB Ethernet driver version 0.02 [ 9.634092][ T1] usbcore: registered new interface driver rndis_wlan [ 9.635569][ T1] mac80211_hwsim: initializing netlink [ 9.663793][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 9.674149][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 9.685567][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 9.687815][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 9.690015][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 9.691599][ T1] usbcore: registered new interface driver pegasus [ 9.692917][ T1] usbcore: registered new interface driver rtl8150 [ 9.694721][ T1] usbcore: registered new interface driver r8152 [ 9.696010][ T1] usbcore: registered new interface driver asix [ 9.697671][ T1] usbcore: registered new interface driver ax88179_178a [ 9.699124][ T1] usbcore: registered new interface driver cdc_ether [ 9.701762][ T1] usbcore: registered new interface driver dm9601 [ 9.703178][ T1] usbcore: registered new interface driver smsc75xx [ 9.705917][ T1] usbcore: registered new interface driver smsc95xx [ 9.707292][ T1] usbcore: registered new interface driver net1080 [ 9.709016][ T1] usbcore: registered new interface driver rndis_host [ 9.710504][ T1] usbcore: registered new interface driver cdc_subset [ 9.711986][ T1] usbcore: registered new interface driver zaurus [ 9.714506][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 9.716629][ T1] usbcore: registered new interface driver cdc_ncm [ 9.718560][ T1] usbcore: registered new interface driver cdc_mbim [ 9.724601][ T1] VFIO - User Level meta-driver version: 0.3 [ 9.732420][ T1] aoe: AoE v85 initialised. [ 9.735600][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 9.736823][ T1] ehci-pci: EHCI PCI platform driver [ 9.738135][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 9.745820][ T1] ohci-pci: OHCI PCI platform driver [ 9.747208][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 9.749721][ T1] usbcore: registered new interface driver cdc_acm [ 9.750997][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.752793][ T1] usbcore: registered new interface driver usblp [ 9.754537][ T1] usbcore: registered new interface driver cdc_wdm [ 9.756430][ T1] usbcore: registered new interface driver uas [ 9.758350][ T1] usbcore: registered new interface driver usb-storage [ 9.760120][ T1] usbcore: registered new interface driver ums-realtek [ 9.761719][ T1] usbcore: registered new interface driver usbserial_generic [ 9.763888][ T1] usbserial: USB Serial support registered for generic [ 9.765468][ T1] usbcore: registered new interface driver ch341 [ 9.767131][ T1] usbserial: USB Serial support registered for ch341-uart [ 9.768799][ T1] usbcore: registered new interface driver cp210x [ 9.770727][ T1] usbserial: USB Serial support registered for cp210x [ 9.772626][ T1] usbcore: registered new interface driver ftdi_sio [ 9.773961][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 9.775618][ T1] usbcore: registered new interface driver keyspan [ 9.778096][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 9.779844][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 9.781591][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 9.783157][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 9.785527][ T1] usbcore: registered new interface driver option [ 9.786835][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 9.788573][ T1] usbcore: registered new interface driver oti6858 [ 9.789995][ T1] usbserial: USB Serial support registered for oti6858 [ 9.791814][ T1] usbcore: registered new interface driver pl2303 [ 9.793134][ T1] usbserial: USB Serial support registered for pl2303 [ 9.794566][ T1] usbcore: registered new interface driver qcserial [ 9.795851][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 9.797785][ T1] usbcore: registered new interface driver sierra [ 9.800197][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 9.801567][ T1] usbcore: registered new interface driver usb_serial_simple [ 9.803309][ T1] usbserial: USB Serial support registered for carelink [ 9.804929][ T1] usbserial: USB Serial support registered for zio [ 9.806254][ T1] usbserial: USB Serial support registered for funsoft [ 9.807592][ T1] usbserial: USB Serial support registered for flashloader [ 9.808925][ T1] usbserial: USB Serial support registered for google [ 9.810678][ T1] usbserial: USB Serial support registered for libtransistor [ 9.812280][ T1] usbserial: USB Serial support registered for vivopay [ 9.814067][ T1] usbserial: USB Serial support registered for moto_modem [ 9.816487][ T1] usbserial: USB Serial support registered for motorola_tetra [ 9.818010][ T1] usbserial: USB Serial support registered for novatel_gps [ 9.820099][ T1] usbserial: USB Serial support registered for hp4x [ 9.822357][ T1] usbserial: USB Serial support registered for suunto [ 9.823977][ T1] usbserial: USB Serial support registered for siemens_mpi [ 9.827398][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.829721][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 9.832909][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 9.836585][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.838398][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.840614][ T1] usb usb1: Product: Dummy host controller [ 9.841937][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.843434][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 9.848775][ T1] hub 1-0:1.0: USB hub found [ 9.850426][ T1] hub 1-0:1.0: 1 port detected [ 9.857386][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.859339][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 9.861521][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 9.865294][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.866923][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.868525][ T1] usb usb2: Product: Dummy host controller [ 9.870084][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.871701][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 9.875261][ T1] hub 2-0:1.0: USB hub found [ 9.876462][ T1] hub 2-0:1.0: 1 port detected [ 9.880965][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.882246][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 9.884488][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 9.889807][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.891492][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.892861][ T1] usb usb3: Product: Dummy host controller [ 9.893863][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.895631][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 9.900784][ T1] hub 3-0:1.0: USB hub found [ 9.901922][ T1] hub 3-0:1.0: 1 port detected [ 9.906147][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.907750][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 9.910241][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 9.913040][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.914949][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.916618][ T1] usb usb4: Product: Dummy host controller [ 9.917602][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.919088][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 9.923259][ T1] hub 4-0:1.0: USB hub found [ 9.924336][ T1] hub 4-0:1.0: 1 port detected [ 9.928071][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.930340][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 9.932739][ C1] random: fast init done [ 9.932909][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 9.936798][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.938378][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.939746][ T1] usb usb5: Product: Dummy host controller [ 9.942555][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.943888][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 9.947306][ T1] hub 5-0:1.0: USB hub found [ 9.949039][ T1] hub 5-0:1.0: 1 port detected [ 9.950153][ T21] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 9.950214][ T21] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 9.950383][ T21] sd 0:0:1:0: [sda] Write Protect is off [ 9.954151][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.955585][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 9.957571][ T21] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 9.958164][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 9.960940][ T7] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 9.963768][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.965606][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.967345][ T1] usb usb6: Product: Dummy host controller [ 9.968516][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.970947][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 9.974424][ T1] hub 6-0:1.0: USB hub found [ 9.975605][ T1] hub 6-0:1.0: 1 port detected [ 9.978699][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.980485][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 9.982178][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 9.984093][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.985371][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.986328][ T21] sda: sda1 [ 9.986724][ T1] usb usb7: Product: Dummy host controller [ 9.988303][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 9.989968][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 9.993716][ T1] hub 7-0:1.0: USB hub found [ 9.995044][ T1] hub 7-0:1.0: 1 port detected [ 9.998861][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.000076][ T21] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.000896][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.003378][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.005945][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.007397][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.008589][ T1] usb usb8: Product: Dummy host controller [ 10.010155][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller dummy_hcd [ 10.011464][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.014242][ T1] hub 8-0:1.0: USB hub found [ 10.015065][ T1] hub 8-0:1.0: 1 port detected [ 10.031901][ T1] using random self ethernet address [ 10.033322][ T1] using random host ethernet address [ 10.035831][ T1] Mass Storage Function, version: 2009/09/11 [ 10.036807][ T1] LUN: removable file: (no medium) [ 10.037680][ T1] no file given for LUN0 [ 10.038489][ T1] printk: console [ttyGS0] disabled [ 10.042811][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.045125][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.047541][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.050631][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.052331][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.053893][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.056615][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.057794][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.059165][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.063438][ T1] hub 9-0:1.0: USB hub found [ 10.064543][ T1] hub 9-0:1.0: 8 ports detected [ 10.070391][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.072404][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.074003][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.076158][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.077581][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.078687][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.079953][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.081826][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.084581][ T1] hub 10-0:1.0: USB hub found [ 10.085512][ T1] hub 10-0:1.0: 8 ports detected [ 10.092393][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.094017][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.096013][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.097380][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.098597][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.100046][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.101329][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.104411][ T1] hub 11-0:1.0: USB hub found [ 10.105423][ T1] hub 11-0:1.0: 8 ports detected [ 10.111344][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.113167][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.115148][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.117087][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.118521][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.120579][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.121758][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.123229][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.126340][ T1] hub 12-0:1.0: USB hub found [ 10.127232][ T1] hub 12-0:1.0: 8 ports detected [ 10.134462][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.136237][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.138354][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.139932][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.141335][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.142287][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.143847][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.146963][ T1] hub 13-0:1.0: USB hub found [ 10.147846][ T1] hub 13-0:1.0: 8 ports detected [ 10.153645][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.155332][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.157076][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.159381][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.160863][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.162140][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.163140][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.164348][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.168226][ T1] hub 14-0:1.0: USB hub found [ 10.169132][ T1] hub 14-0:1.0: 8 ports detected [ 10.176189][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.177865][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.180572][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.182304][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.183566][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.184500][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.185661][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.188517][ T1] hub 15-0:1.0: USB hub found [ 10.189558][ T1] hub 15-0:1.0: 8 ports detected [ 10.194950][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.197028][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.198880][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.202501][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.203793][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.204875][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.206042][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.207234][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.210157][ T1] hub 16-0:1.0: USB hub found [ 10.211148][ T1] hub 16-0:1.0: 8 ports detected [ 10.217459][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.221132][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.223010][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.225070][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.226306][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.227315][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.228823][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.231715][ T1] hub 17-0:1.0: USB hub found [ 10.232673][ T1] hub 17-0:1.0: 8 ports detected [ 10.238177][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.241425][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.242918][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.244797][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.246370][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.248158][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.249296][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.251180][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.254037][ T1] hub 18-0:1.0: USB hub found [ 10.254937][ T1] hub 18-0:1.0: 8 ports detected [ 10.262755][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.264874][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.266930][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.268627][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.270215][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 10.271451][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.273081][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 10.275973][ T1] hub 19-0:1.0: USB hub found [ 10.277018][ T1] hub 19-0:1.0: 8 ports detected [ 10.282889][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.285013][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 10.286519][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.288447][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.291048][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.292469][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 10.293486][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.294832][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 10.297607][ T1] hub 20-0:1.0: USB hub found [ 10.298520][ T1] hub 20-0:1.0: 8 ports detected [ 10.305868][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.307651][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 10.310013][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.311310][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.312779][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 10.313877][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.315140][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 10.318153][ T1] hub 21-0:1.0: USB hub found [ 10.319161][ T1] hub 21-0:1.0: 8 ports detected [ 10.325872][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.327777][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 10.329421][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.331675][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.333094][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.334310][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 10.335286][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.336628][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 10.340561][ T1] hub 22-0:1.0: USB hub found [ 10.341653][ T1] hub 22-0:1.0: 8 ports detected [ 10.348850][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.350675][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 10.352821][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.354253][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.355645][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 10.356883][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.358182][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 10.361255][ T1] hub 23-0:1.0: USB hub found [ 10.362410][ T1] hub 23-0:1.0: 8 ports detected [ 10.368044][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.371112][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 10.372893][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.375038][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.376399][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.377760][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 10.378920][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.380552][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 10.383308][ T1] hub 24-0:1.0: USB hub found [ 10.384367][ T1] hub 24-0:1.0: 8 ports detected [ 10.391273][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.393170][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 10.395257][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.396823][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.397938][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 10.398997][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.401085][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 10.403906][ T1] hub 25-0:1.0: USB hub found [ 10.405072][ T1] hub 25-0:1.0: 8 ports detected [ 10.410842][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.413322][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 10.415229][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.417379][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.418913][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.421799][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 10.422955][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.424262][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 10.427902][ T1] hub 26-0:1.0: USB hub found [ 10.429165][ T1] hub 26-0:1.0: 8 ports detected [ 10.436719][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.438735][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 10.441154][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.443421][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.445227][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 10.446877][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.448659][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 10.452967][ T1] hub 27-0:1.0: USB hub found [ 10.453870][ T1] hub 27-0:1.0: 8 ports detected [ 10.459684][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.461800][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 10.464233][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.466941][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.468451][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.470487][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 10.471479][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.472688][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 10.475421][ T1] hub 28-0:1.0: USB hub found [ 10.476520][ T1] hub 28-0:1.0: 8 ports detected [ 10.483223][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.485275][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 10.487491][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.489052][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.490600][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 10.491677][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.493332][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 10.496289][ T1] hub 29-0:1.0: USB hub found [ 10.497279][ T1] hub 29-0:1.0: 8 ports detected [ 10.503315][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.505189][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 10.506942][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.508991][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.511670][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.513162][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 10.514235][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.515648][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 10.518430][ T1] hub 30-0:1.0: USB hub found [ 10.520433][ T1] hub 30-0:1.0: 8 ports detected [ 10.526786][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.529102][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 10.531937][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.533503][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.535329][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 10.537285][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.538442][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 10.542872][ T1] hub 31-0:1.0: USB hub found [ 10.543753][ T1] hub 31-0:1.0: 8 ports detected [ 10.549690][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.551641][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 10.553288][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.555827][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.557440][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.558771][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 10.560679][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.562183][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 10.565078][ T1] hub 32-0:1.0: USB hub found [ 10.565984][ T1] hub 32-0:1.0: 8 ports detected [ 10.572641][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.574555][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 10.576663][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.578231][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.580187][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 10.581368][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.582759][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 10.585767][ T1] hub 33-0:1.0: USB hub found [ 10.586841][ T1] hub 33-0:1.0: 8 ports detected [ 10.593579][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.595704][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 10.597297][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.600883][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.603384][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.604742][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 10.605923][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.607278][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 10.611213][ T1] hub 34-0:1.0: USB hub found [ 10.612176][ T1] hub 34-0:1.0: 8 ports detected [ 10.618899][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 10.620946][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 10.623071][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.624645][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.625868][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 10.627158][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.629177][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 10.632053][ T1] hub 35-0:1.0: USB hub found [ 10.633153][ T1] hub 35-0:1.0: 8 ports detected [ 10.638574][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 10.641664][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 10.643538][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.645482][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.647635][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.650155][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 10.651332][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.653841][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 10.657044][ T1] hub 36-0:1.0: USB hub found [ 10.658351][ T1] hub 36-0:1.0: 8 ports detected [ 10.671262][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 10.673360][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 10.675848][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.677522][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.678772][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 10.681222][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.682627][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 10.686155][ T1] hub 37-0:1.0: USB hub found [ 10.688276][ T1] hub 37-0:1.0: 8 ports detected [ 10.694467][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 10.696513][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 10.698389][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.701240][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.702577][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.704094][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 10.705462][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.707428][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 10.710736][ T1] hub 38-0:1.0: USB hub found [ 10.712253][ T1] hub 38-0:1.0: 8 ports detected [ 10.721204][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 10.723296][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 10.725571][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.727085][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.728444][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 10.729636][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.730947][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 10.733922][ T1] hub 39-0:1.0: USB hub found [ 10.734889][ T1] hub 39-0:1.0: 8 ports detected [ 10.742876][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 10.744564][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 10.746320][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.748354][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.750664][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.752213][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 10.753476][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc3-next-20200430-syzkaller vhci_hcd [ 10.754846][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 10.757650][ T1] hub 40-0:1.0: USB hub found [ 10.758769][ T1] hub 40-0:1.0: 8 ports detected [ 10.765294][ T1] usbcore: registered new device driver usbip-host [ 10.769295][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 10.772124][ T1] i8042: Warning: Keylock active [ 10.774668][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 10.776663][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 10.841745][ T1] mousedev: PS/2 mouse device common for all mice [ 10.850414][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 10.858317][ T1] rtc_cmos 00:00: registered as rtc0 [ 10.860553][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 10.862634][ T1] i2c /dev entries driver [ 10.865534][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 10.868563][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 10.868903][ T3119] kworker/u4:3 (3119) used greatest stack depth: 26736 bytes left [ 10.873689][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 10.875471][ T1] IR NEC protocol handler initialized [ 10.876339][ T1] IR RC5(x/sz) protocol handler initialized [ 10.877513][ T1] IR RC6 protocol handler initialized [ 10.878661][ T1] IR JVC protocol handler initialized [ 10.881510][ T1] IR Sony protocol handler initialized [ 10.882553][ T1] IR SANYO protocol handler initialized [ 10.883442][ T1] IR Sharp protocol handler initialized [ 10.884263][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 10.885751][ T1] IR XMP protocol handler initialized [ 10.887757][ T1] usbcore: registered new interface driver uvcvideo [ 10.889807][ T1] USB Video Class driver (1.1.1) [ 10.891609][ T1] gspca_main: v2.14.0 registered [ 10.910922][ T1] vivid-000: using single planar format API [ 10.928750][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 10.930871][ T1] vivid-000: V4L2 capture device registered as video3 [ 10.933166][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 10.935281][ T1] vivid-000: V4L2 output device registered as video4 [ 10.937443][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 10.940089][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 10.942467][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 10.944801][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 10.946891][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 10.948861][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 10.952501][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 10.954732][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 10.957010][ T1] vivid-001: using multiplanar format API [ 10.973730][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 10.976349][ T1] vivid-001: V4L2 capture device registered as video7 [ 10.978127][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 10.980085][ T1] vivid-001: V4L2 output device registered as video8 [ 10.981928][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 10.984345][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 10.986484][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 10.989826][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 10.991945][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 10.993833][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 10.996251][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 10.997962][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.001280][ T1] vivid-002: using single planar format API [ 11.016281][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.018199][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.020289][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.022209][ T1] vivid-002: V4L2 output device registered as video12 [ 11.024040][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 11.026014][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 11.028081][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 11.029787][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 11.031526][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 11.033225][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 11.034954][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 11.036809][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 11.038651][ T1] vivid-003: using multiplanar format API [ 11.051322][ T2780] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.061906][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 11.064563][ T1] vivid-003: V4L2 capture device registered as video15 [ 11.067322][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 11.070240][ T1] vivid-003: V4L2 output device registered as video16 [ 11.071803][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 11.073963][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 11.076300][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 11.078159][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 11.080379][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 11.081864][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 11.083629][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 11.085288][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 11.086936][ T1] vivid-004: using single planar format API [ 11.101516][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 11.103235][ T1] vivid-004: V4L2 capture device registered as video19 [ 11.104745][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 11.106334][ T1] vivid-004: V4L2 output device registered as video20 [ 11.107862][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 11.109815][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 11.111572][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 11.113050][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 11.114660][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 11.116480][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 11.118137][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 11.120202][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 11.121817][ T1] vivid-005: using multiplanar format API [ 11.135928][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 11.137828][ T1] vivid-005: V4L2 capture device registered as video23 [ 11.140449][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 11.142732][ T1] vivid-005: V4L2 output device registered as video24 [ 11.144324][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 11.150977][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 11.153001][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 11.154664][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 11.157004][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 11.158561][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 11.160730][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 11.162613][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 11.164466][ T1] vivid-006: using single planar format API [ 11.178929][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 11.181011][ T1] vivid-006: V4L2 capture device registered as video27 [ 11.182779][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 11.184504][ T1] vivid-006: V4L2 output device registered as video28 [ 11.186047][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 11.188095][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 11.190131][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 11.191708][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 11.193391][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 11.195092][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 11.196784][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 11.198506][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 11.201000][ T1] vivid-007: using multiplanar format API [ 11.216647][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 11.218441][ T1] vivid-007: V4L2 capture device registered as video31 [ 11.220870][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 11.222799][ T1] vivid-007: V4L2 output device registered as video32 [ 11.224511][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 11.226500][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 11.228551][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 11.230358][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 11.231841][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 11.233614][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 11.235366][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 11.237153][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 11.240148][ T1] vivid-008: using single planar format API [ 11.255001][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 11.257076][ T1] vivid-008: V4L2 capture device registered as video35 [ 11.259073][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 11.261531][ T1] vivid-008: V4L2 output device registered as video36 [ 11.263225][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 11.265565][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 11.267420][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 11.268966][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 11.271075][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 11.273044][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 11.274889][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 11.276769][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 11.278849][ T1] vivid-009: using multiplanar format API [ 11.295730][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 11.298489][ T1] vivid-009: V4L2 capture device registered as video39 [ 11.300744][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 11.303066][ T1] vivid-009: V4L2 output device registered as video40 [ 11.305030][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 11.307016][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 11.309089][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 11.311564][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 11.313277][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 11.315245][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 11.320379][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 11.328733][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 11.337903][ T1] vivid-010: using single planar format API [ 11.357382][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 11.365412][ T1] vivid-010: V4L2 capture device registered as video43 [ 11.373196][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 11.381170][ T1] vivid-010: V4L2 output device registered as video44 [ 11.388612][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 11.398844][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 11.408981][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 11.417574][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 11.425306][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 11.433149][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 11.441499][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 11.449846][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 11.458491][ T1] vivid-011: using multiplanar format API [ 11.477813][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 11.485700][ T1] vivid-011: V4L2 capture device registered as video47 [ 11.496084][ T2780] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 11.506610][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 11.515113][ T1] vivid-011: V4L2 output device registered as video48 [ 11.524882][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 11.536328][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 11.546090][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 11.554258][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 11.562354][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 11.570364][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 11.578602][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 11.586816][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 11.595713][ T1] vivid-012: using single planar format API [ 11.615206][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 11.623409][ T1] vivid-012: V4L2 capture device registered as video51 [ 11.631172][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 11.640742][ T1] vivid-012: V4L2 output device registered as video52 [ 11.648421][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 11.658352][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 11.668234][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 11.675903][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 11.683587][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 11.691453][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 11.700005][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 11.708527][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 11.716980][ T1] vivid-013: using multiplanar format API [ 11.736574][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 11.744708][ T1] vivid-013: V4L2 capture device registered as video55 [ 11.752689][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 11.760886][ T1] vivid-013: V4L2 output device registered as video56 [ 11.768261][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 11.778340][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 11.788269][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 11.795959][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 11.803515][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 11.811318][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 11.819764][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 11.827883][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 11.836267][ T1] vivid-014: using single planar format API [ 11.855695][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 11.863858][ T1] vivid-014: V4L2 capture device registered as video59 [ 11.871651][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 11.879948][ T1] vivid-014: V4L2 output device registered as video60 [ 11.887420][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 11.897384][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 11.907574][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 11.915264][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 11.922906][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 11.930733][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 11.938988][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 11.947318][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 11.956030][ T1] vivid-015: using multiplanar format API [ 11.976082][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 11.984246][ T1] vivid-015: V4L2 capture device registered as video63 [ 11.991900][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 11.999915][ T1] vivid-015: V4L2 output device registered as video64 [ 12.008491][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 12.018366][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 12.028125][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 12.035825][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 12.043587][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 12.051392][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 12.060250][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 12.068629][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 12.078773][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 12.087736][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 12.097039][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 12.106204][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 12.116163][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 12.122896][ T1] iTCO_vendor_support: vendor-support=0 [ 12.130922][ T1] device-mapper: uevent: version 1.0.3 [ 12.137342][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 12.148239][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 12.155696][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 12.163193][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 12.169947][ T135] floppy0: no floppy controllers found [ 12.171236][ T1] device-mapper: raid: Loading target version 1.15.1 [ 12.176404][ T135] work still pending [ 12.187123][ T1] Bluetooth: HCI UART driver ver 2.3 [ 12.192819][ T1] Bluetooth: HCI UART protocol H4 registered [ 12.198844][ T1] Bluetooth: HCI UART protocol BCSP registered [ 12.206043][ T1] Bluetooth: HCI UART protocol LL registered [ 12.212550][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 12.219866][ T1] Bluetooth: HCI UART protocol QCA registered [ 12.225945][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 12.232428][ T1] Bluetooth: HCI UART protocol Marvell registered [ 12.239405][ T1] usbcore: registered new interface driver bfusb [ 12.246204][ T1] usbcore: registered new interface driver btusb [ 12.253678][ T1] CAPI 2.0 started up with major 68 (middleware) [ 12.260088][ T1] Modular ISDN core version 1.1.29 [ 12.266013][ T1] NET: Registered protocol family 34 [ 12.271386][ T1] DSP module 2.0 [ 12.274941][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 12.294335][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 12.300739][ T1] 0 virtual devices registered [ 12.305520][ T1] intel_pstate: CPU model not supported [ 12.314668][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 12.323344][ T1] usnic_verbs:usnic_uiom_init:563: [ 12.323349][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 12.338806][ T1] usnic_verbs:usnic_ib_init:667: [ 12.338810][ T1] Unable to initialize umem with err -1 [ 12.350980][ T1] iscsi: registered transport (iser) [ 12.357751][ T1] SoftiWARP attached [ 12.362252][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.374255][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.386048][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.407119][ T1] hid: raw HID events driver (C) Jiri Kosina [ 12.450434][ T1] usbcore: registered new interface driver usbhid [ 12.457292][ T1] usbhid: USB HID core driver [ 12.474435][ T1] ashmem: initialized [ 12.584909][ T1] usbcore: registered new interface driver snd-usb-audio [ 12.592505][ T1] drop_monitor: Initializing network drop monitor service [ 12.600310][ T1] NET: Registered protocol family 26 [ 12.605724][ T1] GACT probability on [ 12.610122][ T1] Mirror/redirect action on [ 12.614838][ T1] Simple TC action Loaded [ 12.621718][ T1] netem: version 1.3 [ 12.625858][ T1] u32 classifier [ 12.629484][ T1] Performance counters on [ 12.634154][ T1] input device check on [ 12.638629][ T1] Actions configured [ 12.644836][ T1] nf_conntrack_irc: failed to register helpers [ 12.651267][ T1] nf_conntrack_sane: failed to register helpers [ 12.696754][ T1] nf_conntrack_sip: failed to register helpers [ 12.707958][ T1] xt_time: kernel timezone is -0000 [ 12.713383][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 12.721097][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 12.730599][ T1] IPVS: ipvs loaded. [ 12.734648][ T1] IPVS: [rr] scheduler registered. [ 12.739902][ T1] IPVS: [wrr] scheduler registered. [ 12.745089][ T1] IPVS: [lc] scheduler registered. [ 12.750297][ T1] IPVS: [wlc] scheduler registered. [ 12.755743][ T1] IPVS: [fo] scheduler registered. [ 12.760941][ T1] IPVS: [ovf] scheduler registered. [ 12.766180][ T1] IPVS: [lblc] scheduler registered. [ 12.771744][ T1] IPVS: [lblcr] scheduler registered. [ 12.777152][ T1] IPVS: [dh] scheduler registered. [ 12.782544][ T1] IPVS: [sh] scheduler registered. [ 12.787659][ T1] IPVS: [mh] scheduler registered. [ 12.793043][ T1] IPVS: [sed] scheduler registered. [ 12.798231][ T1] IPVS: [nq] scheduler registered. [ 12.803548][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 12.809590][ T1] IPVS: [sip] pe registered. [ 12.814425][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 12.823085][ T1] gre: GRE over IPv4 demultiplexor driver [ 12.828826][ T1] ip_gre: GRE over IPv4 tunneling driver [ 12.841061][ T1] IPv4 over IPsec tunneling driver [ 12.850354][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 12.858255][ T1] Initializing XFRM netlink socket [ 12.863573][ T1] IPsec XFRM device driver [ 12.868970][ T1] NET: Registered protocol family 10 [ 12.874581][ T1] [ 12.876894][ T1] ============================= [ 12.881990][ T1] WARNING: suspicious RCU usage [ 12.886825][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 12.893505][ T1] ----------------------------- [ 12.898375][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 12.906319][ T1] [ 12.906319][ T1] other info that might help us debug this: [ 12.906319][ T1] [ 12.917208][ T1] [ 12.917208][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 12.925431][ T1] 1 lock held by swapper/0/1: [ 12.930128][ T1] #0: ffffffff8a7a6df0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 12.941362][ T1] [ 12.941362][ T1] stack backtrace: [ 12.947405][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 12.951296][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 12.951296][ T1] Call Trace: [ 12.951296][ T1] dump_stack+0x18f/0x20d [ 12.951296][ T1] ip6mr_get_table+0x153/0x180 [ 12.951296][ T1] ip6mr_new_table+0x1b/0x70 [ 12.951296][ T1] ip6mr_net_init+0x133/0x3f0 [ 12.951296][ T1] ? ip6mr_net_exit+0x100/0x100 [ 12.951296][ T1] ops_init+0xaf/0x420 [ 12.951296][ T1] register_pernet_operations+0x346/0x840 [ 12.951296][ T1] ? setup_net+0x860/0x860 [ 12.951296][ T1] ? down_write_killable+0x170/0x170 [ 12.951296][ T1] ? cpus_read_unlock+0xa4/0x140 [ 12.951296][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 12.951296][ T1] ? unix_diag_init+0x11/0x11 [ 12.951296][ T1] register_pernet_subsys+0x25/0x40 [ 12.951296][ T1] ip6_mr_init+0x49/0x152 [ 12.951296][ T1] inet6_init+0x1d7/0x6dc [ 12.951296][ T1] do_one_initcall+0x10a/0x7d0 [ 12.951296][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 12.951296][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.951296][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.951296][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 12.951296][ T1] kernel_init_freeable+0x501/0x5ae [ 12.951296][ T1] ? rest_init+0x365/0x365 [ 12.951296][ T1] kernel_init+0xd/0x1bb [ 12.951296][ T1] ret_from_fork+0x24/0x30 [ 13.102242][ T1] Segment Routing with IPv6 [ 13.107400][ T1] mip6: Mobile IPv6 [ 13.115351][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 13.127191][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 13.136744][ T1] NET: Registered protocol family 17 [ 13.142203][ T1] NET: Registered protocol family 15 [ 13.147987][ T1] Bridge firewalling registered [ 13.154815][ T1] NET: Registered protocol family 9 [ 13.160437][ T1] X25: Linux Version 0.2 [ 13.196062][ T1] NET: Registered protocol family 6 [ 13.233772][ T1] NET: Registered protocol family 11 [ 13.239361][ T1] NET: Registered protocol family 3 [ 13.244605][ T1] can: controller area network core (rev 20170425 abi 9) [ 13.255200][ T1] NET: Registered protocol family 29 [ 13.260549][ T1] can: raw protocol (rev 20170425) [ 13.265734][ T1] can: broadcast manager protocol (rev 20170425 t) [ 13.272681][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 13.279268][ T1] can: SAE J1939 [ 13.283399][ T1] Bluetooth: RFCOMM TTY layer initialized [ 13.291023][ T1] Bluetooth: RFCOMM socket layer initialized [ 13.298672][ T1] Bluetooth: RFCOMM ver 1.11 [ 13.304219][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 13.310522][ T1] Bluetooth: BNEP filters: protocol multicast [ 13.316595][ T1] Bluetooth: BNEP socket layer initialized [ 13.322453][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 13.328294][ T1] Bluetooth: CMTP socket layer initialized [ 13.336268][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 13.343190][ T1] Bluetooth: HIDP socket layer initialized [ 13.349494][ T1] RPC: Registered rdma transport module. [ 13.355210][ T1] RPC: Registered rdma backchannel transport module. [ 13.364506][ T1] NET: Registered protocol family 33 [ 13.370180][ T1] Key type rxrpc registered [ 13.374699][ T1] Key type rxrpc_s registered [ 13.380607][ T1] NET: Registered protocol family 41 [ 13.386560][ T1] lec:lane_module_init: lec.c: initialized [ 13.392860][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 13.398679][ T1] l2tp_core: L2TP core driver, V2.0 [ 13.404241][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 13.410321][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 13.416931][ T1] l2tp_netlink: L2TP netlink interface [ 13.422614][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 13.429590][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 13.437228][ T1] NET: Registered protocol family 35 [ 13.442959][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 13.458663][ T1] DCCP: Activated CCID 2 (TCP-like) [ 13.464508][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 13.472447][ T1] sctp: Hash tables configured (bind 32/56) [ 13.480099][ T1] NET: Registered protocol family 21 [ 13.486181][ T1] Registered RDS/infiniband transport [ 13.492555][ T1] Registered RDS/tcp transport [ 13.497318][ T1] tipc: Activated (version 2.0.0) [ 13.502850][ T1] NET: Registered protocol family 30 [ 13.509608][ T1] tipc: Started in single node mode [ 13.515382][ T1] NET: Registered protocol family 43 [ 13.521178][ T1] 9pnet: Installing 9P2000 support [ 13.526865][ T1] NET: Registered protocol family 37 [ 13.536033][ T1] NET: Registered protocol family 36 [ 13.542321][ T1] Key type dns_resolver registered [ 13.547495][ T1] Key type ceph registered [ 13.553035][ T1] libceph: loaded (mon/osd proto 15/24) [ 13.561109][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 13.570141][ T1] openvswitch: Open vSwitch switching datapath [ 13.578913][ T1] NET: Registered protocol family 40 [ 13.584595][ T1] mpls_gso: MPLS GSO support [ 13.595881][ T1] IPI shorthand broadcast: enabled [ 13.601360][ T1] AVX2 version of gcm_enc/dec engaged. [ 13.606885][ T1] AES CTR mode by8 optimization enabled [ 13.617936][ T1] sched_clock: Marking stable (13578885134, 39007403)->(13624583656, -6691119) [ 13.628817][ T1] registered taskstats version 1 [ 13.633837][ T1] Loading compiled-in X.509 certificates [ 13.644532][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 13.656587][ T1] zswap: loaded using pool lzo/zbud [ 13.662873][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 13.672625][ T1] Key type ._fscrypt registered [ 13.677471][ T1] Key type .fscrypt registered [ 13.682361][ T1] Key type fscrypt-provisioning registered [ 13.691556][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 13.698842][ T1] FS-Cache: Netfs 'afs' registered for caching [ 13.713788][ T1] Btrfs loaded, crc32c=crc32c-intel [ 13.724010][ T1] Key type big_key registered [ 13.731272][ T1] Key type encrypted registered [ 13.736292][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 13.742930][ T1] ima: No TPM chip found, activating TPM-bypass! [ 13.749383][ T1] ima: Allocated hash algorithm: sha256 [ 13.755117][ T1] ima: No architecture policies found [ 13.760709][ T1] evm: Initialising EVM extended attributes: [ 13.766676][ T1] evm: security.selinux [ 13.771324][ T1] evm: security.SMACK64 [ 13.775509][ T1] evm: security.SMACK64EXEC [ 13.780043][ T1] evm: security.SMACK64TRANSMUTE [ 13.785598][ T1] evm: security.SMACK64MMAP [ 13.790690][ T1] evm: security.apparmor [ 13.794920][ T1] evm: security.ima [ 13.798697][ T1] evm: security.capability [ 13.803182][ T1] evm: HMAC attrs: 0x1 [ 13.808795][ T1] PM: Magic number: 0:344:183 [ 13.814216][ T1] tty ttyr9: hash matches [ 13.820294][ T1] printk: console [netcon0] enabled [ 13.825514][ T1] netconsole: network logging started [ 13.834344][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 13.843088][ T1] rdma_rxe: loaded [ 13.847240][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 13.858125][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 13.866837][ T2780] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 13.876576][ T1] ALSA device list: [ 13.881064][ T1] #0: Dummy 1 [ 13.884547][ T1] #1: Loopback 1 [ 13.888270][ T1] #2: Virtual MIDI Card 1 [ 13.893017][ T2780] cfg80211: failed to load regulatory.db [ 13.901682][ T1] md: Waiting for all devices to be available before autodetect [ 13.909748][ T1] md: If you don't use raid, use raid=noautodetect [ 13.920920][ T1] md: Autodetecting RAID arrays. [ 13.926023][ T1] md: autorun ... [ 13.929780][ T1] md: ... autorun DONE. [ 13.982445][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 13.990803][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 14.060826][ T1] devtmpfs: mounted [ 14.073123][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 14.080462][ T1] Kernel memory protection disabled. [ 14.119988][ T1] Run /sbin/init as init process [ 15.553198][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.606231][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.614415][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.677402][ 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) [ 15.699682][ T1] systemd[1]: Detected virtualization kvm. [ 15.705600][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 15.791579][ T1] systemd[1]: Set hostname to . [ 16.223891][ T3886] systemd-hiberna (3886) used greatest stack depth: 26376 bytes left [ 16.255176][ T3893] selinux-autorel (3893) used greatest stack depth: 24848 bytes left [ 16.292301][ T3887] systemd-fstab-generator[3887]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.326165][ T3887] systemd-fstab-generator[3887]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.343107][ T3887] systemd-fstab-generator[3887]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.365745][ T3887] systemd-fstab-g (3887) used greatest stack depth: 23880 bytes left [ 16.366060][ T3885] systemd[3885]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 16.851097][ T1] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 16.890761][ T1] systemd[1]: Listening on Syslog Socket. [ OK ] Listening on Syslog Socket. [ 16.929785][ T1] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 16.978162][ T1] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. [ 17.021095][ T1] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ OK ] Listening on udev Control Socket. [ OK ] Listening on udev Kernel Socket. [ OK ] Listening on Journal Socket (/dev/log). [ OK ] Reached target Swap. [ 17.184626][ T1] [ 17.187031][ T1] ============================= [ 17.191941][ T1] WARNING: suspicious RCU usage [ 17.196787][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 17.203356][ T1] ----------------------------- [ 17.208189][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 17.217499][ T1] [ 17.217499][ T1] other info that might help us debug this: [ 17.217499][ T1] [ 17.227808][ T1] [ 17.227808][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 17.236496][ T1] 2 locks held by systemd/1: [ 17.241148][ T1] #0: ffff888098cb6450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 17.250484][ T1] #1: ffff8880989b2a90 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 17.260580][ T1] [ 17.260580][ T1] stack backtrace: [ 17.266473][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 17.275388][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.285616][ T1] Call Trace: [ 17.288910][ T1] dump_stack+0x18f/0x20d [ 17.293229][ T1] evm_protected_xattr+0x1c2/0x210 [ 17.298331][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 17.303774][ T1] evm_inode_setxattr+0xc4/0xf0 [ 17.310799][ T1] security_inode_setxattr+0x18f/0x200 [ 17.316259][ T1] vfs_setxattr+0xa7/0xf0 [ 17.320584][ T1] setxattr+0x23d/0x330 [ 17.324764][ T1] ? vfs_setxattr+0xf0/0xf0 [ 17.329268][ T1] ? lock_acquire+0x1f4/0x940 [ 17.333929][ T1] ? mnt_want_write+0x3a/0xb0 [ 17.338604][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 17.344066][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 17.349332][ T1] ? preempt_count_add+0x74/0x140 [ 17.354348][ T1] ? preempt_count_add+0x74/0x140 [ 17.359375][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 17.364960][ T1] path_setxattr+0x170/0x190 [ 17.369638][ T1] ? setxattr+0x330/0x330 [ 17.373964][ T1] ? task_work_run+0x160/0x1b0 [ 17.378725][ T1] __x64_sys_setxattr+0xc0/0x160 [ 17.383870][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 17.389162][ T1] do_syscall_64+0xf6/0x7d0 [ 17.393656][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 17.399542][ T1] RIP: 0033:0x7fb341da467a [ 17.404092][ 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 [ 17.424671][ T1] RSP: 002b:00007fffe0bb09a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 17.433166][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb341da467a [ 17.441302][ T1] RDX: 00007fffe0bb0a20 RSI: 00005595babd6f9b RDI: 00005595bc697740 [ 17.449273][ T1] RBP: 00005595babd6f9b R08: 0000000000000000 R09: 0000000000000030 [ 17.457358][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fffe0bb0a20 [ 17.465666][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 00005595bc686fd0 [ OK ] Created slice System Slice. [ OK ] Created slice system-serial\x2dgetty.slice. Mounting Huge Pages File System... Starting Load Kernel Modules... Starting Journal Service... Mounting /sys/kernel/debug... Mounting /sys/kernel/config... Starting Create Static Device Nodes in /dev... Starting Remount Root and Kernel File Systems... [ OK ] Created slice system-getty.slice. Mounting POSIX Message Queue File System... [ OK ] Reached target Slices. Mounting /proc/sys/fs/binfmt_misc... [ OK ] Started Forward Password Requests to Wall Directory Watch. [ 18.180170][ T3910] EXT4-fs (sda1): re-mounted. Opts: (null) [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ 18.227556][ T3906] systemd-tmpfile (3906) used greatest stack depth: 23048 bytes left [ OK ] Reached target Encrypted Volumes. [ OK ] Reached target Paths. [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Reached target Sockets. [ OK ] Mounted Huge Pages File System. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Load Kernel Modules. [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Remount Root and Kernel File Systems. Starting Load/Save Random Seed... Starting udev Coldplug all Devices... Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). Starting Apply Kernel Variables... Mounting FUSE Control File System... [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Load/Save Random Seed. [ OK ] Started Apply Kernel Variables. [ OK ] Started Mark the need to relabel after reboot. [ OK ] Started udev Kernel Device Manager. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 20.130446][ T3901] systemd-journald[3901]: 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. [ 20.580186][ T1] [ 20.582698][ T1] ============================= [ 20.595952][ T1] WARNING: suspicious RCU usage [ 20.610599][ T1] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 20.617136][ T1] ----------------------------- [ 20.639325][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 20.659607][ T1] [ 20.659607][ T1] other info that might help us debug this: [ 20.659607][ T1] [ 20.674238][ T1] [ 20.674238][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 20.682987][ T1] 4 locks held by systemd/1: [ 20.687856][ T1] #0: ffff888098456450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 20.698056][ T1] #1: ffff8880a8a1d888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 20.708536][ T1] #2: ffff8880a91e93a8 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 20.718840][ T1] #3: ffffffff8a05e288 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 20.730808][ T1] [ 20.730808][ T1] stack backtrace: [ 20.736727][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 20.745660][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.755807][ T1] Call Trace: [ 20.759108][ T1] dump_stack+0x18f/0x20d [ 20.763457][ T1] match_exception_partial+0x2ee/0x340 [ 20.768929][ T1] verify_new_ex+0x176/0x3a0 [ 20.773545][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 20.779106][ T1] ? lock_acquire+0x1f4/0x940 [ 20.783795][ T1] ? kernfs_fop_write+0x1db/0x490 [ 20.788830][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 20.794068][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 20.798862][ T1] ? lock_downgrade+0x840/0x840 [ 20.803725][ T1] cgroup_file_write+0x20d/0x710 [ 20.808675][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 20.813887][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 20.819187][ T1] ? __might_fault+0x190/0x1d0 [ 20.824149][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 20.829450][ T1] kernfs_fop_write+0x268/0x490 [ 20.834329][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 20.839275][ T1] __vfs_write+0x76/0x100 [ 20.843616][ T1] vfs_write+0x268/0x5d0 [ 20.847883][ T1] ksys_write+0x12d/0x250 [ 20.852237][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 20.857043][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 20.862786][ T1] do_syscall_64+0xf6/0x7d0 [ 20.867308][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 20.873497][ T1] RIP: 0033:0x7fb341d98970 [ 20.877949][ 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 [ 20.897559][ T1] RSP: 002b:00007fffe0bb0568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 20.905976][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb341d98970 [ 20.913981][ T1] RDX: 000000000000000a RSI: 00005595bc6935c0 RDI: 0000000000000026 [ 20.921959][ T1] RBP: 00005595bc6935c0 R08: 00005595bc6b32b0 R09: 00007fb3437ce500 [ 20.930069][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 20.938048][ T1] R13: 0000000000000001 R14: 00005595bc6b31d0 R15: 000000000000000a Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Update UTMP about System Boot/Shutdown. [ 21.376192][ C1] random: crng init done [ 21.380562][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 22.045136][ T4023] [ 22.047618][ T4023] ============================= [ 22.053272][ T4023] WARNING: suspicious RCU usage [ 22.125724][ T4023] 5.7.0-rc3-next-20200430-syzkaller #0 Not tainted [ 22.157931][ T4023] ----------------------------- [ 22.197784][ T4023] drivers/net/hamradio/bpqether.c:130 RCU-list traversed in non-reader section!! [ 22.223230][ T4023] [ 22.223230][ T4023] other info that might help us debug this: [ 22.223230][ T4023] [ 22.236402][ T4023] [ 22.236402][ T4023] rcu_scheduler_active = 2, debug_locks = 1 [ 22.254829][ T4023] 1 lock held by ip/4023: [ 22.325135][ T4023] #0: ffffffff8a7b2d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 22.365499][ T4023] [ 22.365499][ T4023] stack backtrace: [ 22.372456][ T4023] CPU: 1 PID: 4023 Comm: ip Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 22.381322][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.391570][ T4023] Call Trace: [ 22.394938][ T4023] dump_stack+0x18f/0x20d [ 22.399375][ T4023] bpq_device_event+0x609/0x75a [ 22.405316][ T4023] notifier_call_chain+0xc0/0x230 [ 22.410660][ T4023] call_netdevice_notifiers_info+0xb5/0x130 [ 22.416693][ T4023] __dev_notify_flags+0x121/0x2c0 [ 22.421820][ T4023] ? dev_change_name+0x700/0x700 [ 22.426774][ T4023] ? dev_set_allmulti+0x30/0x30 [ 22.431741][ T4023] ? print_usage_bug+0x240/0x240 [ 22.438868][ T4023] dev_change_flags+0x100/0x160 [ 22.443916][ T4023] do_setlink+0xa1c/0x35d0 [ 22.448444][ T4023] ? mark_lock+0x129/0x1390 [ 22.452965][ T4023] ? rtnl_getlink+0xab0/0xab0 [ 22.457655][ T4023] ? print_usage_bug+0x240/0x240 [ 22.462601][ T4023] ? mark_lock+0x129/0x1390 [ 22.467116][ T4023] ? mark_lock+0x129/0x1390 [ 22.471635][ T4023] ? __lock_acquire+0xca1/0x3f20 [ 22.477034][ T4023] ? memset+0x20/0x40 [ 22.481116][ T4023] ? __nla_validate_parse+0x2af/0x1cc0 [ 22.486659][ T4023] ? mark_held_locks+0xe0/0xe0 [ 22.491440][ T4023] ? deref_stack_reg+0xaa/0xe0 [ 22.496328][ T4023] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 22.503014][ T4023] ? nla_memcpy+0xa0/0xa0 [ 22.507360][ T4023] ? mark_held_locks+0xe0/0xe0 [ 22.512133][ T4023] ? deref_stack_reg+0xaa/0xe0 [ 22.517098][ T4023] __rtnl_newlink+0xad0/0x1590 [ 22.521983][ T4023] ? rtnl_link_unregister+0x240/0x240 [ 22.527549][ T4023] ? is_bpf_text_address+0xcb/0x160 [ 22.532756][ T4023] ? kernel_text_address+0x6e/0xe0 [ 22.537966][ T4023] ? __kernel_text_address+0x9/0x30 [ 22.543445][ T4023] ? unwind_get_return_address+0x5a/0xa0 [ 22.551895][ T4023] ? profile_setup.cold+0xc1/0xc1 [ 22.559897][ T4023] ? arch_stack_walk+0x97/0xf0 [ 22.565122][ T4023] ? stack_trace_save+0x8c/0xc0 [ 22.569981][ T4023] ? stack_trace_consume_entry+0x160/0x160 [ 22.575936][ T4023] ? rtnl_newlink+0x46/0xa0 [ 22.580551][ T4023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.586110][ T4023] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.592111][ T4023] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 22.598027][ T4023] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 22.603604][ T4023] rtnl_newlink+0x64/0xa0 [ 22.607946][ T4023] ? __rtnl_newlink+0x1590/0x1590 [ 22.613036][ T4023] rtnetlink_rcv_msg+0x44e/0xad0 [ 22.617983][ T4023] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.623279][ T4023] ? lock_acquire+0x1f4/0x940 [ 22.627966][ T4023] ? netlink_deliver_tap+0x146/0xcc0 [ 22.633270][ T4023] netlink_rcv_skb+0x15a/0x430 [ 22.638050][ T4023] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.643356][ T4023] ? netlink_ack+0xa60/0xa60 [ 22.647960][ T4023] ? netlink_deliver_tap+0x236/0xcc0 [ 22.653638][ T4023] netlink_unicast+0x537/0x740 [ 22.658421][ T4023] ? netlink_attachskb+0x810/0x810 [ 22.663547][ T4023] ? _copy_from_iter_full+0x25c/0x870 [ 22.668927][ T4023] ? __phys_addr_symbol+0x2c/0x70 [ 22.673958][ T4023] ? __check_object_size+0x171/0x437 [ 22.679255][ T4023] netlink_sendmsg+0x882/0xe10 [ 22.684121][ T4023] ? aa_af_perm+0x260/0x260 [ 22.688722][ T4023] ? netlink_unicast+0x740/0x740 [ 22.693677][ T4023] ? netlink_unicast+0x740/0x740 [ 22.698623][ T4023] sock_sendmsg+0xcf/0x120 [ 22.703050][ T4023] ____sys_sendmsg+0x6bf/0x7e0 [ 22.708174][ T4023] ? mark_held_locks+0xe0/0xe0 [ 22.712953][ T4023] ? kernel_sendmsg+0x50/0x50 [ 22.717643][ T4023] ? find_held_lock+0x2d/0x110 [ 22.722416][ T4023] ? mark_lock+0x129/0x1390 [ 22.726937][ T4023] ___sys_sendmsg+0x100/0x170 [ 22.731626][ T4023] ? sendmsg_copy_msghdr+0x70/0x70 [ 22.736770][ T4023] ? migration_entry_to_page+0x310/0x310 [ 22.742417][ T4023] ? do_raw_spin_unlock+0x171/0x260 [ 22.747632][ T4023] ? find_held_lock+0x2d/0x110 [ 22.752413][ T4023] ? do_page_fault+0x59e/0x13da [ 22.757891][ T4023] ? vm_insert_pages+0x6a0/0x6a0 [ 22.763125][ T4023] ? lock_downgrade+0x840/0x840 [ 22.767994][ T4023] ? __fget_light+0x1ab/0x270 [ 22.772685][ T4023] __sys_sendmsg+0xec/0x1b0 [ 22.777198][ T4023] ? __sys_sendmsg_sock+0xb0/0xb0 [ 22.782235][ T4023] ? down_read_nested+0x430/0x430 [ 22.788755][ T4023] ? trace_hardirqs_off_caller+0x55/0x230 [ 22.794489][ T4023] ? do_syscall_64+0x21/0x7d0 [ 22.799178][ T4023] do_syscall_64+0xf6/0x7d0 [ 22.803719][ T4023] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 22.809615][ T4023] RIP: 0033:0x7f5a5a67fdc7 [ 22.814314][ T4023] 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 [ 22.833921][ T4023] RSP: 002b:00007ffd170864f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.842514][ T4023] RAX: ffffffffffffffda RBX: 000000005eaadc59 RCX: 00007f5a5a67fdc7 [ 22.850586][ T4023] RDX: 0000000000000000 RSI: 00007ffd17086540 RDI: 0000000000000003 [ 22.858678][ T4023] RBP: 00007ffd17086540 R08: 0000000000001000 R09: fefefeff77686d74 [ 22.867261][ T4023] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffd17086580 [ 22.875240][ T4023] R13: 000055692b3823c0 R14: 00007ffd1708e600 R15: 0000000000000000 Stopping Network Time Synchronization... [ OK ] Stopped Network Time Synchronization. Starting Network Time Synchronization... [ OK ] Started Network Time Synchronization. [ 26.403296][ T3964] dhclient (3964) used greatest stack depth: 22576 bytes left [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [* ] (1 of 2) A start job is running for dev-ttyS0.device (15s / 1min 30s) [** ] (1 of 2) A start job is running for dev-ttyS0.device (15s / 1min 30s) [*** ] (1 of 2) A start job is running for dev-ttyS0.device (16s / 1min 30s) [ *** ] (2 of 2) A start job is running for…dplug all Devices (16s / no limit) [ *** ] (2 of 2) A start job is running for…dplug all Devices (17s / no limit) [ OK ] Reached target Sound Card. [ ***] (2 of 2) A start job is running for…dplug all Devices (22s / no limit) [ **] (1 of 2) A start job is running for dev-ttyS0.device (22s / 1min 30s) [ *] (1 of 2) A start job is running for dev-ttyS0.device (23s / 1min 30s) [ **] (1 of 2) A start job is running for dev-ttyS0.device (23s / 1min 30s) [ ***] (2 of 2) A start job is running for…dplug all Devices (24s / no limit) [ *** ] (2 of 2) A start job is running for…dplug all Devices (24s / no limit) [ *** ] (2 of 2) A start job is running for…dplug all Devices (25s / no limit) [ OK ] Found device /dev/ttyS0. [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Reached target Basic System. Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. Starting System Logging Service... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. [ 46.245312][ T6637] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 46.257052][ T6637] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 46.265563][ T6637] CPU: 1 PID: 6637 Comm: sshd Not tainted 5.7.0-rc3-next-20200430-syzkaller #0 [ 46.274658][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.284895][ T6637] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 46.291056][ T6637] 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 [ 46.310782][ T6637] RSP: 0018:ffffc90004bc7450 EFLAGS: 00010206 [ 46.316848][ T6637] RAX: dffffc0000000000 RBX: ffff888099272000 RCX: ffffffff8363aeea [ 46.324997][ T6637] RDX: 0000000000000005 RSI: ffffffff8363aef8 RDI: 0000000000000028 [ 46.332967][ T6637] RBP: 1ffff92000978e8b R08: ffff8880968202c0 R09: fffffbfff1559772 [ 46.341056][ T6637] R10: ffffffff8aacbb8f R11: fffffbfff1559771 R12: ffff888095248fea [ 46.349035][ T6637] R13: ffff888095248000 R14: 00000000000019ed R15: 0000000000000000 [ 46.357271][ T6637] FS: 00007f786dbd58c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 46.366429][ T6637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.373109][ T6637] CR2: 000055ec456118f5 CR3: 000000008f7b8000 CR4: 00000000001406e0 [ 46.381087][ T6637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.389065][ T6637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.397128][ T6637] Call Trace: [ 46.400514][ T6637] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 46.405897][ T6637] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 46.412290][ T6637] ? __kmalloc+0x62f/0x7a0 [ 46.416825][ T6637] ? tomoyo_realpath_from_path+0xc2/0x620 [ 46.422641][ T6637] ? lock_release+0x800/0x800 [ 46.427327][ T6637] ? __lock_acquire+0x2018/0x3f20 [ 46.432360][ T6637] tomoyo_realpath_from_path+0x393/0x620 [ 46.438174][ T6637] tomoyo_path_number_perm+0x1c2/0x4d0 [ 46.443638][ T6637] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 46.449275][ T6637] ? tomoyo_execute_permission+0x470/0x470 [ 46.455088][ T6637] ? d_alloc_parallel+0x785/0x1b10 [ 46.460211][ T6637] ? d_alloc_parallel+0x9ea/0x1b10 [ 46.465332][ T6637] ? rcu_read_lock_held_common+0x130/0x130 [ 46.471152][ T6637] ? print_usage_bug+0x240/0x240 [ 46.476092][ T6637] tomoyo_path_mknod+0x10d/0x190 [ 46.485722][ T6637] ? tomoyo_path_chown+0x1b0/0x1b0 [ 46.490956][ T6637] ? mark_held_locks+0x9f/0xe0 [ 46.495743][ T6637] ? d_lookup+0xec/0x250 [ 46.500000][ T6637] security_path_mknod+0x116/0x180 [ 46.505116][ T6637] lookup_open+0x5ae/0x1320 [ 46.509892][ T6637] ? page_put_link+0x210/0x210 [ 46.514697][ T6637] ? preempt_count_add+0x74/0x140 [ 46.519813][ T6637] ? __mnt_want_write+0x1da/0x2c0 [ 46.524994][ T6637] path_openat+0x93c/0x27f0 [ 46.529516][ T6637] ? path_lookupat.isra.0+0x530/0x530 [ 46.534994][ T6637] ? up_read+0x1a8/0x750 [ 46.539373][ T6637] ? mark_held_locks+0xe0/0xe0 [ 46.544139][ T6637] ? down_read_nested+0x430/0x430 [ 46.549177][ T6637] do_filp_open+0x192/0x260 [ 46.553800][ T6637] ? may_open_dev+0xf0/0xf0 [ 46.558312][ T6637] ? simple_attr_release+0x40/0x40 [ 46.563429][ T6637] ? _raw_spin_unlock+0x24/0x40 [ 46.568281][ T6637] ? __alloc_fd+0x46d/0x600 [ 46.572883][ T6637] do_sys_openat2+0x585/0x7d0 [ 46.577574][ T6637] ? file_open_root+0x400/0x400 [ 46.582478][ T6637] ? up_read+0x1a8/0x750 [ 46.586733][ T6637] do_sys_open+0xc3/0x140 [ 46.591072][ T6637] ? filp_open+0x70/0x70 [ 46.595380][ T6637] ? handle_mm_fault+0x29e/0x660 [ 46.600327][ T6637] ? trace_hardirqs_off_caller+0x55/0x230 [ 46.606177][ T6637] do_syscall_64+0xf6/0x7d0 [ 46.610693][ T6637] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 46.616585][ T6637] RIP: 0033:0x7f786bd3e6f0 [ 46.621122][ T6637] 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 [ 46.640728][ T6637] RSP: 002b:00007fffd7c73538 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 46.649149][ T6637] RAX: ffffffffffffffda RBX: 000055ec47621970 RCX: 00007f786bd3e6f0 [ 46.657132][ T6637] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 000055ec456118f5 [ 46.665103][ T6637] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 46.673072][ T6637] R10: 0000000000000240 R11: 0000000000000246 R12: 000055ec455e251e [ 46.681045][ T6637] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 46.689023][ T6637] Modules linked in: [ 47.473707][ T6637] ---[ end trace 79276b6f22d846b6 ]--- [ 47.479207][ T6637] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 47.486945][ T6637] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b4 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 60 49 8d 7f 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 87 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 47.590007][ T6637] RSP: 0018:ffffc90004bc7450 EFLAGS: 00010206 [ 47.638851][ T6637] RAX: dffffc0000000000 RBX: ffff888099272000 RCX: ffffffff8363aeea [ 47.693301][ T6637] RDX: 0000000000000005 RSI: ffffffff8363aef8 RDI: 0000000000000028 [ 47.701338][ T6637] RBP: 1ffff92000978e8b R08: ffff8880968202c0 R09: fffffbfff1559772 [ 47.741850][ T6637] R10: ffffffff8aacbb8f R11: fffffbfff1559771 R12: ffff888095248fea [ 47.751612][ T6637] R13: ffff888095248000 R14: 00000000000019ed R15: 0000000000000000 [ 47.760518][ T6637] FS: 00007f786dbd58c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 47.770442][ T6637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.850583][ T6637] CR2: 00007f3216ecf5e0 CR3: 000000008f7b8000 CR4: 00000000001406e0 [ 47.903340][ T6637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.911429][ T6637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.006383][ T6637] Kernel panic - not syncing: Fatal exception [ 48.014144][ T6637] Kernel Offset: disabled [ 48.018467][ T6637] Rebooting in 86400 seconds..