[ 0.000000][ T0] Linux version 5.7.0-rc4-next-20200504-syzkaller (syzkaller@syzkaller) (gcc (GCC) 9.0.0 20181231 (experimental), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003][ T0] kvm-clock: cpu 0, msr be46001, primary cpu clock [ 0.000003][ T0] kvm-clock: using sched offset of 4382987151 cycles [ 0.000948][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003720][ T0] tsc: Detected 2300.000 MHz processor [ 0.006430][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.007426][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.008510][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.015540][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.016520][ T0] check: Scanning 1 areas for low memory corruption [ 0.017603][ T0] Using GB pages for direct mapping [ 0.020644][ T0] ACPI: Early table checksum verification disabled [ 0.021785][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.023091][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.024632][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.025954][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027704][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.028485][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.029230][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.030506][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.031768][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.033201][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.035016][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.035814][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.036544][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.037660][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.038733][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.039708][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.041238][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.043017][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.044211][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.045908][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.047693][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.100325][ T0] Zone ranges: [ 0.100949][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.101861][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.102924][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.103930][ T0] Device empty [ 0.104405][ T0] Movable zone start for each node [ 0.105112][ T0] Early memory node ranges [ 0.105795][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.106707][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.107890][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.108965][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.110022][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.110031][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.141540][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.594397][ T0] kasan: KernelAddressSanitizer initialized [ 0.595875][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.596606][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.597699][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.599018][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.600052][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.601154][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.602302][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.603413][ T0] Using ACPI (MADT) for SMP configuration information [ 0.604996][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.606211][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.607419][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.608564][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.609728][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.611003][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.612473][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.613674][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.614848][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.615835][ T0] Booting paravirtualized kernel on KVM [ 0.616756][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.672271][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.674791][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.675935][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.677288][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.678414][ T0] Policy zone: Normal [ 0.678955][ 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 [ 0.692487][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.548649][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17337K rwdata, 21720K rodata, 2776K init, 24488K bss, 1402688K reserved, 0K cma-reserved) [ 1.556833][ T0] Running RCU self tests [ 1.557584][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.558631][ T0] rcu: RCU lockdep checking is enabled. [ 1.559387][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.560415][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.561420][ T0] Trampoline variant of Tasks RCU enabled. [ 1.562242][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.563422][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.572237][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.573943][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 1.578201][ T0] Console: colour VGA+ 80x25 [ 1.580303][ T0] printk: console [ttyS0] enabled [ 1.580303][ T0] printk: console [ttyS0] enabled [ 1.581918][ T0] printk: bootconsole [earlyser0] disabled [ 1.581918][ T0] printk: bootconsole [earlyser0] disabled [ 1.583616][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.584841][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.585534][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.586249][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.587199][ T0] ... CLASSHASH_SIZE: 4096 [ 1.587925][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.588646][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.589438][ T0] ... CHAINHASH_SIZE: 32768 [ 1.590319][ T0] memory used by lock dependency info: 6301 kB [ 1.591288][ T0] memory used for stack traces: 4224 kB [ 1.592128][ T0] per task-struct memory footprint: 1920 bytes [ 1.593411][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.595259][ T0] ACPI: Core revision 20200326 [ 1.598007][ T0] APIC: Switch to symmetric I/O mode setup [ 1.599495][ T0] x2apic enabled [ 1.601386][ T0] Switched APIC routing to physical x2apic. [ 1.606040][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.607411][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.609360][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.611048][ T0] pid_max: default: 32768 minimum: 301 [ 1.613252][ T0] LSM: Security Framework initializing [ 1.614051][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.615328][ T0] Yama: becoming mindful. [ 1.616263][ T0] TOMOYO Linux initialized [ 1.619542][ T0] AppArmor: AppArmor initialized [ 1.627573][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.632859][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.634525][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.635794][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.641052][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.642075][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.643096][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.644546][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.644585][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.647783][ T0] MDS: Mitigation: Clear CPU buffers [ 1.649405][ T0] Freeing SMP alternatives memory: 96K [ 1.772649][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.775686][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.777362][ T1] rcu: Hierarchical SRCU implementation. [ 1.778821][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.779349][ T1] smp: Bringing up secondary CPUs ... [ 1.784207][ T1] x86: Booting SMP configuration: [ 1.785093][ T1] .... node #0, CPUs: #1 [ 0.025570][ T0] kvm-clock: cpu 1, msr be46041, secondary cpu clock [ 1.787753][ 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. [ 1.789529][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.790295][ T1] smpboot: Max logical packages: 1 [ 1.791067][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.794579][ T1] devtmpfs: initialized [ 1.794579][ T1] x86/mm: Memory block size: 128MB [ 1.823536][ T22] kworker/u4:0 (22) used greatest stack depth: 27456 bytes left [ 1.829506][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.831085][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.833891][ T1] xor: automatically using best checksumming function avx [ 1.836194][ T1] PM: RTC time: 19:13:47, date: 2020-05-04 [ 1.837149][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.837153][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.838291][ T1] NET: Registered protocol family 16 [ 1.840084][ T1] audit: initializing netlink subsys (disabled) [ 1.849473][ T27] audit: type=2000 audit(1588619627.700:1): state=initialized audit_enabled=0 res=1 [ 1.856649][ T1] cpuidle: using governor menu [ 1.861470][ T1] ACPI: bus type PCI registered [ 1.864542][ T1] dca service started, version 1.12.1 [ 1.865738][ T1] PCI: Using configuration type 1 for base access [ 1.979015][ T225] kworker/u4:5 (225) used greatest stack depth: 27336 bytes left [ 2.405176][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.405176][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.405176][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.430916][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.629398][ T1] raid6: avx2x4 gen() 9868 MB/s [ 2.799413][ T1] raid6: avx2x4 xor() 5102 MB/s [ 2.961025][ T1] raid6: avx2x2 gen() 6535 MB/s [ 3.130990][ T1] raid6: avx2x2 xor() 3004 MB/s [ 3.309402][ T1] raid6: avx2x1 gen() 3821 MB/s [ 3.479382][ T1] raid6: avx2x1 xor() 1602 MB/s [ 3.649370][ T1] raid6: sse2x4 gen() 4988 MB/s [ 3.819383][ T1] raid6: sse2x4 xor() 2569 MB/s [ 3.980986][ T1] raid6: sse2x2 gen() 3316 MB/s [ 4.150994][ T1] raid6: sse2x2 xor() 1531 MB/s [ 4.320992][ T1] raid6: sse2x1 gen() 1909 MB/s [ 4.490997][ T1] raid6: sse2x1 xor() 814 MB/s [ 4.491912][ T1] raid6: using algorithm avx2x4 gen() 9868 MB/s [ 4.492764][ T1] raid6: .... xor() 5102 MB/s, rmw enabled [ 4.493601][ T1] raid6: using avx2x2 recovery algorithm [ 4.500308][ T1] ACPI: Added _OSI(Module Device) [ 4.500308][ T1] ACPI: Added _OSI(Processor Device) [ 4.500308][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.500308][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.500308][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.500308][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.500308][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.555702][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.611448][ T1] ACPI: Interpreter enabled [ 4.612740][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.613613][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.619366][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.619600][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.729371][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.729371][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.729371][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.739599][ T1] PCI host bridge to bus 0000:00 [ 4.739608][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.739608][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.739608][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.740586][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.741833][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.743132][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.744343][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.759494][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.779956][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.799480][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.809969][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.812640][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.819389][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.850155][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.853222][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.858886][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 4.879633][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 4.896711][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.897793][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 4.930399][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.935681][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.940105][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.944921][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.948227][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.961607][ T1] iommu: Default domain type: Translated [ 4.962234][ T1] vgaarb: loaded [ 4.973516][ T1] SCSI subsystem initialized [ 4.973516][ T1] ACPI: bus type USB registered [ 4.973516][ T1] usbcore: registered new interface driver usbfs [ 4.980062][ T1] usbcore: registered new interface driver hub [ 4.982080][ T1] usbcore: registered new device driver usb [ 4.982291][ T1] mc: Linux media interface: v0.10 [ 4.982291][ T1] videodev: Linux video capture interface: v2.00 [ 4.982291][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.982291][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.990658][ T1] PTP clock support registered [ 4.994452][ T1] EDAC MC: Ver: 3.0.0 [ 4.996111][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.000047][ T1] PCI: Using ACPI for IRQ routing [ 5.004547][ T1] Bluetooth: Core ver 2.22 [ 5.005472][ T1] NET: Registered protocol family 31 [ 5.006282][ T1] Bluetooth: HCI device and connection manager initialized [ 5.007674][ T1] Bluetooth: HCI socket layer initialized [ 5.008568][ T1] Bluetooth: L2CAP socket layer initialized [ 5.009476][ T1] Bluetooth: SCO socket layer initialized [ 5.010515][ T1] NET: Registered protocol family 8 [ 5.011319][ T1] NET: Registered protocol family 20 [ 5.012408][ T1] NetLabel: Initializing [ 5.013116][ T1] NetLabel: domain hash size = 128 [ 5.013884][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.015216][ T1] NetLabel: unlabeled traffic allowed by default [ 5.016746][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.016746][ T1] NET: Registered protocol family 39 [ 5.022825][ T1] clocksource: Switched to clocksource kvm-clock [ 7.969730][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.971197][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.973281][ T1] FS-Cache: Loaded [ 7.975340][ T1] CacheFiles: Loaded [ 7.976264][ T1] TOMOYO: 2.6.0 [ 7.976773][ T1] Mandatory Access Control activated. [ 7.979303][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.980700][ T1] pnp: PnP ACPI init [ 7.994712][ T1] pnp: PnP ACPI: found 7 devices [ 8.048997][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.050870][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.052447][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.053666][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.054906][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.057670][ T1] NET: Registered protocol family 2 [ 8.063384][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 8.065752][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.073898][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 8.079005][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.082914][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.085254][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.089327][ T1] [ 8.089993][ T1] ============================= [ 8.090782][ T1] WARNING: suspicious RCU usage [ 8.091586][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 8.092705][ T1] ----------------------------- [ 8.093474][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 8.094628][ T1] [ 8.094628][ T1] other info that might help us debug this: [ 8.094628][ T1] [ 8.096145][ T1] [ 8.096145][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 8.097419][ T1] 1 lock held by swapper/0/1: [ 8.098117][ T1] #0: ffffffff8a7a85b0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 8.099945][ T1] [ 8.099945][ T1] stack backtrace: [ 8.100774][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 8.103301][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.105108][ T1] Call Trace: [ 8.105617][ T1] dump_stack+0x18f/0x20d [ 8.106302][ T1] ipmr_get_table+0x130/0x160 [ 8.106981][ T1] ipmr_net_init+0x133/0x430 [ 8.107670][ T1] ? ipmr_net_exit+0x100/0x100 [ 8.108496][ T1] ops_init+0xaf/0x420 [ 8.109129][ T1] register_pernet_operations+0x346/0x840 [ 8.109917][ T1] ? setup_net+0x860/0x860 [ 8.109917][ T1] ? down_write_killable+0x170/0x170 [ 8.109917][ T1] ? cpus_read_unlock+0xa4/0x140 [ 8.109917][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 8.109917][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 8.109917][ T1] register_pernet_subsys+0x25/0x40 [ 8.109917][ T1] ip_mr_init+0x36/0x168 [ 8.109917][ T1] inet_init+0x298/0x424 [ 8.109917][ T1] do_one_initcall+0x10a/0x7d0 [ 8.109917][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 8.109917][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 8.109917][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 8.109917][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 8.109917][ T1] kernel_init_freeable+0x501/0x5ae [ 8.109917][ T1] ? rest_init+0x365/0x365 [ 8.109917][ T1] kernel_init+0xd/0x1bb [ 8.109917][ T1] ret_from_fork+0x24/0x30 [ 8.125721][ T1] NET: Registered protocol family 1 [ 8.130054][ T1] RPC: Registered named UNIX socket transport module. [ 8.132557][ T1] RPC: Registered udp transport module. [ 8.133590][ T1] RPC: Registered tcp transport module. [ 8.135194][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.138262][ T1] NET: Registered protocol family 44 [ 8.139518][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.141265][ T1] PCI: CLS 0 bytes, default 64 [ 8.146036][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.147704][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.153510][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.158276][ T1] kvm: already loaded the other module [ 8.159253][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.161060][ T1] clocksource: Switched to clocksource tsc [ 8.162174][ T1] mce: Machine check injector initialized [ 8.167254][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.233346][ T1] Initialise system trusted keyrings [ 8.235163][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.236760][ T1] zbud: loaded [ 8.243623][ T1] DLM installed [ 8.246822][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.251477][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.253989][ T1] NFS: Registering the id_resolver key type [ 8.255515][ T1] Key type id_resolver registered [ 8.256293][ T1] Key type id_legacy registered [ 8.256998][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.258216][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.264413][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.267244][ T1] Key type cifs.spnego registered [ 8.268138][ T1] Key type cifs.idmap registered [ 8.269086][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.270999][ T1] fuse: init (API version 7.31) [ 8.274711][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.287580][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.292964][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.295207][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.297083][ T1] ocfs2: Registered cluster interface o2cb [ 8.298587][ T1] ocfs2: Registered cluster interface user [ 8.300213][ T1] OCFS2 User DLM kernel interface loaded [ 8.310620][ T1] gfs2: GFS2 installed [ 8.314879][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.315808][ T1] ceph: loaded (mds proto 32) [ 8.327981][ T1] NET: Registered protocol family 38 [ 8.329261][ T1] async_tx: api initialized (async) [ 8.330262][ T1] Key type asymmetric registered [ 8.331061][ T1] Asymmetric key parser 'x509' registered [ 8.331884][ T1] Asymmetric key parser 'pkcs8' registered [ 8.333003][ T1] Key type pkcs7_test registered [ 8.333878][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.335124][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.337345][ T1] io scheduler mq-deadline registered [ 8.338136][ T1] io scheduler kyber registered [ 8.339331][ T1] io scheduler bfq registered [ 8.352441][ T1] hgafb: HGA card not detected. [ 8.353449][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.355152][ T1] usbcore: registered new interface driver udlfb [ 8.360313][ T1] uvesafb: failed to execute /sbin/v86d [ 8.361124][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.362422][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.363451][ T1] uvesafb: vbe_init() failed with -22 [ 8.364235][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.366297][ T1] vga16fb: mapped to 0x00000000e8701b13 [ 8.434619][ T1] Console: switching to colour frame buffer device 80x30 [ 8.722547][ T1] fb0: VGA16 VGA frame buffer device [ 8.725436][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 8.740192][ T1] ACPI: Power Button [PWRF] [ 8.742350][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 8.744136][ T1] ACPI: Sleep Button [SLPF] [ 8.751392][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.766342][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 8.767278][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.784856][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 8.786001][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 8.807122][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 8.808302][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 8.919803][ T1973] kworker/u4:0 (1973) used greatest stack depth: 27176 bytes left [ 9.111416][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.112843][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.114722][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.122537][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.128718][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.135347][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.143933][ T1] Cyclades driver 2.6 [ 9.145291][ T1] Initializing Nozomi driver 2.1d [ 9.147323][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.148630][ T1] No rocketport ports found; unloading driver [ 9.152900][ T1] Non-volatile memory driver v1.3 [ 9.154692][ T1] Linux agpgart interface v0.103 [ 9.164232][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.165859][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.170909][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.172279][ T1] usbcore: registered new interface driver udl [ 9.222718][ T1] brd: module loaded [ 9.258082][ T1] loop: module loaded [ 9.426701][ T1] zram: Added device: zram0 [ 9.434264][ T1] null_blk: module loaded [ 9.441860][ T1] nfcsim 0.2 initialized [ 9.446302][ T1] Loading iSCSI transport class v2.0-870. [ 9.481178][ T1] scsi host0: Virtio SCSI HBA [ 9.527976][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.532230][ T149] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.559668][ T1] slram: not enough parameters. [ 9.571173][ T1] ftl_cs: FTL header not found. [ 9.624311][ T2559] kworker/u4:5 (2559) used greatest stack depth: 27024 bytes left [ 9.648027][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.649707][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.652341][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.668065][ T1] MACsec IEEE 802.1AE [ 9.672075][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.740792][ T1] vcan: Virtual CAN interface driver [ 9.741701][ T1] vxcan: Virtual CAN Tunnel driver [ 9.742525][ T1] slcan: serial line CAN interface driver [ 9.743528][ T1] slcan: 10 dynamic interface channels. [ 9.744536][ T1] CAN device driver interface [ 9.747164][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 9.748356][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.750161][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 9.751586][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.753279][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 9.754490][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.758623][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 9.760024][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 9.761357][ T1] AX.25: bpqether driver version 004 [ 9.762540][ T1] PPP generic driver version 2.4.2 [ 9.765021][ T1] PPP BSD Compression module registered [ 9.766139][ T1] PPP Deflate Compression module registered [ 9.767234][ T1] PPP MPPE Compression module registered [ 9.768341][ T1] NET: Registered protocol family 24 [ 9.769270][ T1] PPTP driver version 0.8.5 [ 9.771399][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.773229][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.774608][ T1] SLIP linefill/keepalive option. [ 9.775503][ T1] hdlc: HDLC support module revision 1.22 [ 9.776517][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 9.777931][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 9.779255][ T1] LAPB Ethernet driver version 0.02 [ 9.781988][ T1] usbcore: registered new interface driver rndis_wlan [ 9.783755][ T1] mac80211_hwsim: initializing netlink [ 9.825503][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 9.840746][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 9.860836][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 9.863002][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 9.867046][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 9.869279][ T1] usbcore: registered new interface driver pegasus [ 9.872241][ T1] usbcore: registered new interface driver rtl8150 [ 9.873953][ T1] usbcore: registered new interface driver r8152 [ 9.875636][ T1] usbcore: registered new interface driver asix [ 9.877194][ T1] usbcore: registered new interface driver ax88179_178a [ 9.879593][ T1] usbcore: registered new interface driver cdc_ether [ 9.881415][ T1] usbcore: registered new interface driver dm9601 [ 9.883131][ T1] usbcore: registered new interface driver smsc75xx [ 9.886587][ T1] usbcore: registered new interface driver smsc95xx [ 9.888502][ T1] usbcore: registered new interface driver net1080 [ 9.891186][ T1] usbcore: registered new interface driver rndis_host [ 9.892717][ T1] usbcore: registered new interface driver cdc_subset [ 9.894596][ T1] usbcore: registered new interface driver zaurus [ 9.896509][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 9.901614][ T1] usbcore: registered new interface driver cdc_ncm [ 9.903263][ T1] usbcore: registered new interface driver cdc_mbim [ 9.911803][ T1] VFIO - User Level meta-driver version: 0.3 [ 9.925786][ T1] aoe: AoE v85 initialised. [ 9.930307][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 9.931629][ T1] ehci-pci: EHCI PCI platform driver [ 9.933235][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 9.934826][ T1] ohci-pci: OHCI PCI platform driver [ 9.936307][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 9.940129][ T1] usbcore: registered new interface driver cdc_acm [ 9.941403][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.943718][ T1] usbcore: registered new interface driver usblp [ 9.945500][ T1] usbcore: registered new interface driver cdc_wdm [ 9.950047][ T1] usbcore: registered new interface driver uas [ 9.951660][ T1] usbcore: registered new interface driver usb-storage [ 9.953449][ T1] usbcore: registered new interface driver ums-realtek [ 9.956155][ T1] usbcore: registered new interface driver usbserial_generic [ 9.958530][ T1] usbserial: USB Serial support registered for generic [ 9.960739][ T1] usbcore: registered new interface driver ch341 [ 9.962744][ T1] usbserial: USB Serial support registered for ch341-uart [ 9.964424][ T1] usbcore: registered new interface driver cp210x [ 9.966270][ T1] usbserial: USB Serial support registered for cp210x [ 9.968123][ T1] usbcore: registered new interface driver ftdi_sio [ 9.971314][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 9.973038][ T1] usbcore: registered new interface driver keyspan [ 9.974945][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 9.977499][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 9.980040][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 9.981601][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 9.984019][ T1] usbcore: registered new interface driver option [ 9.985613][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 9.987528][ T1] usbcore: registered new interface driver oti6858 [ 9.989033][ T1] usbserial: USB Serial support registered for oti6858 [ 9.990875][ T1] usbcore: registered new interface driver pl2303 [ 9.992521][ T1] usbserial: USB Serial support registered for pl2303 [ 9.994248][ T1] usbcore: registered new interface driver qcserial [ 9.998024][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 10.000234][ T1] usbcore: registered new interface driver sierra [ 10.001659][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 10.003432][ T1] usbcore: registered new interface driver usb_serial_simple [ 10.005040][ T1] usbserial: USB Serial support registered for carelink [ 10.007020][ T1] usbserial: USB Serial support registered for zio [ 10.008971][ T1] usbserial: USB Serial support registered for funsoft [ 10.012372][ T1] usbserial: USB Serial support registered for flashloader [ 10.014040][ T1] usbserial: USB Serial support registered for google [ 10.015610][ T1] usbserial: USB Serial support registered for libtransistor [ 10.018190][ T1] usbserial: USB Serial support registered for vivopay [ 10.020072][ T1] usbserial: USB Serial support registered for moto_modem [ 10.021672][ T1] usbserial: USB Serial support registered for motorola_tetra [ 10.024461][ T1] usbserial: USB Serial support registered for novatel_gps [ 10.026164][ T1] usbserial: USB Serial support registered for hp4x [ 10.028040][ T1] usbserial: USB Serial support registered for suunto [ 10.031262][ T1] usbserial: USB Serial support registered for siemens_mpi [ 10.037242][ C1] random: fast init done [ 10.038767][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.044441][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 10.050405][ T149] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.050936][ T217] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.053012][ T217] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.054377][ T217] sd 0:0:1:0: [sda] Write Protect is off [ 10.055071][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 10.056944][ T217] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.058368][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.062114][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.063647][ T1] usb usb1: Product: Dummy host controller [ 10.064567][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.066175][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 10.071937][ T1] hub 1-0:1.0: USB hub found [ 10.073206][ T1] hub 1-0:1.0: 1 port detected [ 10.077203][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.078585][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 10.081348][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 10.083564][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.084973][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.086093][ T1] usb usb2: Product: Dummy host controller [ 10.087125][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.087229][ T217] sda: sda1 [ 10.088443][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 10.092329][ T1] hub 2-0:1.0: USB hub found [ 10.093354][ T1] hub 2-0:1.0: 1 port detected [ 10.098950][ T217] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.099174][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.101453][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 10.103406][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 10.105334][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.106844][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.108079][ T1] usb usb3: Product: Dummy host controller [ 10.108990][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.110470][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 10.113479][ T1] hub 3-0:1.0: USB hub found [ 10.114347][ T1] hub 3-0:1.0: 1 port detected [ 10.117714][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.119023][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 10.120823][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 10.122846][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.124554][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.125952][ T1] usb usb4: Product: Dummy host controller [ 10.127200][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.128849][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 10.132307][ T1] hub 4-0:1.0: USB hub found [ 10.133253][ T1] hub 4-0:1.0: 1 port detected [ 10.138103][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.139880][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 10.141633][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 10.143907][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.145514][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.146860][ T1] usb usb5: Product: Dummy host controller [ 10.147806][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.149190][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 10.152568][ T1] hub 5-0:1.0: USB hub found [ 10.153556][ T1] hub 5-0:1.0: 1 port detected [ 10.156619][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.157875][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 10.159618][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 10.161634][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.162968][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.164038][ T1] usb usb6: Product: Dummy host controller [ 10.164838][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.165987][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.169524][ T1] hub 6-0:1.0: USB hub found [ 10.170689][ T1] hub 6-0:1.0: 1 port detected [ 10.174493][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.175780][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.177383][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.179239][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.181484][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.182762][ T1] usb usb7: Product: Dummy host controller [ 10.183668][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.184901][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.187505][ T1] hub 7-0:1.0: USB hub found [ 10.188384][ T1] hub 7-0:1.0: 1 port detected [ 10.191559][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.192853][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.194385][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.196311][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.197641][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.198803][ T1] usb usb8: Product: Dummy host controller [ 10.200144][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller dummy_hcd [ 10.201397][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.204004][ T1] hub 8-0:1.0: USB hub found [ 10.204974][ T1] hub 8-0:1.0: 1 port detected [ 10.222254][ T1] using random self ethernet address [ 10.223406][ T1] using random host ethernet address [ 10.225627][ T1] Mass Storage Function, version: 2009/09/11 [ 10.226581][ T1] LUN: removable file: (no medium) [ 10.227474][ T1] no file given for LUN0 [ 10.228384][ T1] printk: console [ttyGS0] disabled [ 10.232013][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.234427][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.236393][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.238064][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.240831][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.242213][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.243622][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.244585][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.246047][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.249186][ T1] hub 9-0:1.0: USB hub found [ 10.250251][ T1] hub 9-0:1.0: 8 ports detected [ 10.255789][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.263105][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.264784][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.266784][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.268175][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.269603][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.271000][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.272211][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.275219][ T1] hub 10-0:1.0: USB hub found [ 10.276212][ T1] hub 10-0:1.0: 8 ports detected [ 10.283758][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.285637][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.287711][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.289071][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.290358][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.291551][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.292808][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.295628][ T1] hub 11-0:1.0: USB hub found [ 10.296636][ T1] hub 11-0:1.0: 8 ports detected [ 10.302365][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.304365][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.305890][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.307788][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.309155][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.310575][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.311762][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.313197][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.315974][ T1] hub 12-0:1.0: USB hub found [ 10.316916][ T1] hub 12-0:1.0: 8 ports detected [ 10.323580][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.325825][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.328257][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.330287][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.331771][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.332892][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.334181][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.337390][ T1] hub 13-0:1.0: USB hub found [ 10.338325][ T1] hub 13-0:1.0: 8 ports detected [ 10.343909][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.345600][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.347047][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.348940][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.351168][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.352284][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.353368][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.354645][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.357337][ T1] hub 14-0:1.0: USB hub found [ 10.358728][ T1] hub 14-0:1.0: 8 ports detected [ 10.365665][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.367645][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.370126][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.371533][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.372808][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.373797][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.375199][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.378015][ T1] hub 15-0:1.0: USB hub found [ 10.378895][ T1] hub 15-0:1.0: 8 ports detected [ 10.384194][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.385924][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.387434][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.391292][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.392756][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.394094][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.395228][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.396452][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.402860][ T1] hub 16-0:1.0: USB hub found [ 10.403837][ T1] hub 16-0:1.0: 8 ports detected [ 10.411215][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.412872][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.414792][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.416303][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.417507][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.418531][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.419916][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.422621][ T1] hub 17-0:1.0: USB hub found [ 10.423677][ T1] hub 17-0:1.0: 8 ports detected [ 10.429282][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.432224][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.433676][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.435542][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.437187][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.438297][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.439316][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.440679][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.444014][ T1] hub 18-0:1.0: USB hub found [ 10.445018][ T1] hub 18-0:1.0: 8 ports detected [ 10.452554][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.454482][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.456560][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.459533][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.460687][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 10.461724][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.463141][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 10.465989][ T1] hub 19-0:1.0: USB hub found [ 10.466962][ T1] hub 19-0:1.0: 8 ports detected [ 10.473956][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.475710][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 10.477325][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.480126][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.481511][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.482664][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 10.483719][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.485024][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 10.487668][ T1] hub 20-0:1.0: USB hub found [ 10.488769][ T1] hub 20-0:1.0: 8 ports detected [ 10.497683][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.499648][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 10.501516][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.502866][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.503980][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 10.505009][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.506348][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 10.509167][ T1] hub 21-0:1.0: USB hub found [ 10.511686][ T1] hub 21-0:1.0: 8 ports detected [ 10.517226][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.519192][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 10.520779][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.522901][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.524387][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.525603][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 10.526523][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.527861][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 10.531791][ T1] hub 22-0:1.0: USB hub found [ 10.532705][ T1] hub 22-0:1.0: 8 ports detected [ 10.539146][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.541032][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 10.543048][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.544322][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.545879][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 10.546818][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.548075][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 10.551498][ T1] hub 23-0:1.0: USB hub found [ 10.552463][ T1] hub 23-0:1.0: 8 ports detected [ 10.557879][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.560771][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 10.562268][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.564236][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.565617][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.566802][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 10.567781][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.569088][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 10.571883][ T1] hub 24-0:1.0: USB hub found [ 10.572878][ T1] hub 24-0:1.0: 8 ports detected [ 10.579149][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.581712][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 10.583702][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.585357][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.586645][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 10.587584][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.588819][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 10.591906][ T1] hub 25-0:1.0: USB hub found [ 10.593091][ T1] hub 25-0:1.0: 8 ports detected [ 10.598504][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.601499][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 10.603084][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.604874][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.606146][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.607242][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 10.608220][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.609727][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 10.612563][ T1] hub 26-0:1.0: USB hub found [ 10.613457][ T1] hub 26-0:1.0: 8 ports detected [ 10.621262][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.622919][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 10.625045][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.626342][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.627604][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 10.628672][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.630161][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 10.632853][ T1] hub 27-0:1.0: USB hub found [ 10.634153][ T1] hub 27-0:1.0: 8 ports detected [ 10.640920][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.642693][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 10.644387][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.646474][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.647885][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.649447][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 10.651629][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.653434][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 10.656288][ T1] hub 28-0:1.0: USB hub found [ 10.657291][ T1] hub 28-0:1.0: 8 ports detected [ 10.664764][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.666663][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 10.668753][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.670262][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.671510][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 10.672533][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.673694][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 10.676375][ T1] hub 29-0:1.0: USB hub found [ 10.677282][ T1] hub 29-0:1.0: 8 ports detected [ 10.684030][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.685659][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 10.687199][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.689033][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.690702][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.692174][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 10.693123][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.694381][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 10.697178][ T1] hub 30-0:1.0: USB hub found [ 10.698102][ T1] hub 30-0:1.0: 8 ports detected [ 10.705330][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.707035][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 10.709054][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.710639][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.712095][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 10.713092][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.714293][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 10.717128][ T1] hub 31-0:1.0: USB hub found [ 10.718067][ T1] hub 31-0:1.0: 8 ports detected [ 10.724539][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.726305][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 10.727829][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.730153][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.731437][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.732545][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 10.733465][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.734705][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 10.737499][ T1] hub 32-0:1.0: USB hub found [ 10.738438][ T1] hub 32-0:1.0: 8 ports detected [ 10.745417][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.747380][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 10.749764][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.751194][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.752435][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 10.753409][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.754684][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 10.758243][ T1] hub 33-0:1.0: USB hub found [ 10.759150][ T1] hub 33-0:1.0: 8 ports detected [ 10.764821][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.766386][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 10.768062][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.771389][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.772674][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.773847][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 10.775015][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.776512][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 10.779325][ T1] hub 34-0:1.0: USB hub found [ 10.780330][ T1] hub 34-0:1.0: 8 ports detected [ 10.786752][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 10.788875][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 10.790229][ T3030] kworker/u4:7 (3030) used greatest stack depth: 26920 bytes left [ 10.792161][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.794326][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.795629][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 10.796665][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.797980][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 10.800896][ T1] hub 35-0:1.0: USB hub found [ 10.801999][ T1] hub 35-0:1.0: 8 ports detected [ 10.807290][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 10.809109][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 10.811879][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.814092][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.815459][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.816696][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 10.817780][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.819093][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 10.822098][ T1] hub 36-0:1.0: USB hub found [ 10.823242][ T1] hub 36-0:1.0: 8 ports detected [ 10.831117][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 10.832957][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 10.834818][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.836405][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.837797][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 10.838960][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.840300][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 10.842966][ T1] hub 37-0:1.0: USB hub found [ 10.843923][ T1] hub 37-0:1.0: 8 ports detected [ 10.851802][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 10.853516][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 10.855106][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.856901][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.858269][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.859503][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 10.860510][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.861826][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 10.864498][ T1] hub 38-0:1.0: USB hub found [ 10.865520][ T1] hub 38-0:1.0: 8 ports detected [ 10.873084][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 10.874764][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 10.876847][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.878292][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.879588][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 10.880569][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.881931][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 10.884878][ T1] hub 39-0:1.0: USB hub found [ 10.885810][ T1] hub 39-0:1.0: 8 ports detected [ 10.892942][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 10.895162][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 10.896866][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.898862][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.900358][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.901558][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 10.902623][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc4-next-20200504-syzkaller vhci_hcd [ 10.903910][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 10.906656][ T1] hub 40-0:1.0: USB hub found [ 10.907572][ T1] hub 40-0:1.0: 8 ports detected [ 10.915278][ T1] usbcore: registered new device driver usbip-host [ 10.919097][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 10.921585][ T1] i8042: Warning: Keylock active [ 10.924332][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 10.927012][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 10.991672][ T1] mousedev: PS/2 mouse device common for all mice [ 11.003437][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 11.008525][ T1] rtc_cmos 00:00: registered as rtc0 [ 11.010099][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 11.011694][ T1] i2c /dev entries driver [ 11.014364][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 11.017015][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 11.018726][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 11.020657][ T1] IR NEC protocol handler initialized [ 11.021645][ T1] IR RC5(x/sz) protocol handler initialized [ 11.022562][ T1] IR RC6 protocol handler initialized [ 11.023511][ T1] IR JVC protocol handler initialized [ 11.024261][ T1] IR Sony protocol handler initialized [ 11.025061][ T1] IR SANYO protocol handler initialized [ 11.025827][ T1] IR Sharp protocol handler initialized [ 11.026614][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 11.027511][ T1] IR XMP protocol handler initialized [ 11.030033][ T1] usbcore: registered new interface driver uvcvideo [ 11.031170][ T1] USB Video Class driver (1.1.1) [ 11.031927][ T1] gspca_main: v2.14.0 registered [ 11.051264][ T1] vivid-000: using single planar format API [ 11.068725][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 11.070583][ T1] vivid-000: V4L2 capture device registered as video3 [ 11.072222][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 11.074012][ T1] vivid-000: V4L2 output device registered as video4 [ 11.075564][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 11.077494][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 11.079281][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 11.081320][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 11.083033][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 11.084924][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 11.086630][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 11.088371][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 11.090150][ T1] vivid-001: using multiplanar format API [ 11.104599][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 11.106662][ T1] vivid-001: V4L2 capture device registered as video7 [ 11.108310][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 11.110126][ T1] vivid-001: V4L2 output device registered as video8 [ 11.112036][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 11.114174][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 11.116043][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 11.117631][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 11.120575][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 11.122661][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 11.124211][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 11.130816][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.134349][ T1] vivid-002: using single planar format API [ 11.151535][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.155173][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.158675][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.162808][ T1] vivid-002: V4L2 output device registered as video12 [ 11.166262][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 11.170592][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 11.174430][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 11.176736][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 11.180800][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 11.184074][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 11.186581][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 11.189783][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 11.193350][ T1] vivid-003: using multiplanar format API [ 11.207615][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 11.211495][ T2520] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.220445][ T1] vivid-003: V4L2 capture device registered as video15 [ 11.223238][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 11.225667][ T1] vivid-003: V4L2 output device registered as video16 [ 11.228908][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 11.233830][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 11.237738][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 11.242637][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 11.245469][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 11.248200][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 11.251002][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 11.254125][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 11.258081][ T1] vivid-004: using single planar format API [ 11.274122][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 11.276435][ T1] vivid-004: V4L2 capture device registered as video19 [ 11.279023][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 11.283201][ T1] vivid-004: V4L2 output device registered as video20 [ 11.287080][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 11.292615][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 11.297574][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 11.301088][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 11.304266][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 11.307009][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 11.310895][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 11.313460][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 11.316185][ T1] vivid-005: using multiplanar format API [ 11.331502][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 11.334719][ T1] vivid-005: V4L2 capture device registered as video23 [ 11.337648][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 11.340558][ T1] vivid-005: V4L2 output device registered as video24 [ 11.342756][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 11.347909][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 11.351411][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 11.354221][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 11.357445][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 11.361166][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 11.363684][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 11.367320][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 11.370863][ T1] vivid-006: using single planar format API [ 11.386626][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 11.389048][ T1] vivid-006: V4L2 capture device registered as video27 [ 11.391761][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 11.393970][ T1] vivid-006: V4L2 output device registered as video28 [ 11.396542][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 11.400143][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 11.403687][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 11.406709][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 11.409222][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 11.412047][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 11.414415][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 11.416971][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 11.419138][ T1] vivid-007: using multiplanar format API [ 11.434319][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 11.442249][ T1] vivid-007: V4L2 capture device registered as video31 [ 11.452373][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 11.461408][ T1] vivid-007: V4L2 output device registered as video32 [ 11.468933][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 11.478844][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 11.488637][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 11.496313][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 11.503866][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 11.512611][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 11.521116][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 11.530938][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 11.539155][ T1] vivid-008: using single planar format API [ 11.559255][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 11.567410][ T1] vivid-008: V4L2 capture device registered as video35 [ 11.574924][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 11.583104][ T1] vivid-008: V4L2 output device registered as video36 [ 11.590717][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 11.602555][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 11.612532][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 11.620634][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 11.628743][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 11.638884][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 11.647550][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 11.655881][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 11.664660][ T1] vivid-009: using multiplanar format API [ 11.674409][ T2520] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 11.691251][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 11.699536][ T1] vivid-009: V4L2 capture device registered as video39 [ 11.708238][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 11.716277][ T1] vivid-009: V4L2 output device registered as video40 [ 11.723796][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 11.734130][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 11.744500][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 11.752619][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 11.761522][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 11.769307][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 11.777825][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 11.786320][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 11.794642][ T1] vivid-010: using single planar format API [ 11.817868][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 11.825853][ T1] vivid-010: V4L2 capture device registered as video43 [ 11.834198][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 11.842517][ T1] vivid-010: V4L2 output device registered as video44 [ 11.850264][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 11.862242][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 11.872073][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 11.879931][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 11.887403][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 11.895244][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 11.903668][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 11.911931][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 11.920432][ T1] vivid-011: using multiplanar format API [ 11.939098][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 11.947512][ T1] vivid-011: V4L2 capture device registered as video47 [ 11.955386][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 11.963645][ T1] vivid-011: V4L2 output device registered as video48 [ 11.971993][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 11.982676][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 11.992530][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 12.000300][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 12.007823][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 12.015793][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 12.024161][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 12.033166][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 12.041773][ T1] vivid-012: using single planar format API [ 12.060866][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 12.068893][ T1] vivid-012: V4L2 capture device registered as video51 [ 12.076662][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 12.084700][ T1] vivid-012: V4L2 output device registered as video52 [ 12.092448][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 12.102324][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 12.112131][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 12.119946][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 12.127658][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 12.135592][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 12.144218][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 12.152615][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 12.161027][ T1] vivid-013: using multiplanar format API [ 12.179879][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 12.188170][ T1] vivid-013: V4L2 capture device registered as video55 [ 12.195900][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 12.203999][ T1] vivid-013: V4L2 output device registered as video56 [ 12.211486][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 12.221438][ T7] floppy0: no floppy controllers found [ 12.230396][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 12.240329][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 12.248297][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 12.256061][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 12.264013][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 12.272551][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 12.280825][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 12.290243][ T1] vivid-014: using single planar format API [ 12.309807][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 12.317797][ T1] vivid-014: V4L2 capture device registered as video59 [ 12.325529][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 12.333486][ T1] vivid-014: V4L2 output device registered as video60 [ 12.340914][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 12.351010][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 12.360962][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 12.368714][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 12.376572][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 12.384469][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 12.392792][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 12.401969][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 12.410352][ T1] vivid-015: using multiplanar format API [ 12.429277][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 12.437402][ T1] vivid-015: V4L2 capture device registered as video63 [ 12.445064][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 12.453412][ T1] vivid-015: V4L2 output device registered as video64 [ 12.460945][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 12.470960][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 12.481057][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 12.488632][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 12.496320][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 12.504405][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 12.512685][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 12.520979][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 12.531116][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 12.540342][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 12.549760][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 12.559009][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 12.569003][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 12.575790][ T1] iTCO_vendor_support: vendor-support=0 [ 12.583368][ T1] device-mapper: uevent: version 1.0.3 [ 12.590093][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 12.601283][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 12.608832][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 12.616598][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 12.624568][ T1] device-mapper: raid: Loading target version 1.15.1 [ 12.632245][ T1] Bluetooth: HCI UART driver ver 2.3 [ 12.637531][ T1] Bluetooth: HCI UART protocol H4 registered [ 12.643604][ T1] Bluetooth: HCI UART protocol BCSP registered [ 12.649908][ T1] Bluetooth: HCI UART protocol LL registered [ 12.656016][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 12.663292][ T1] Bluetooth: HCI UART protocol QCA registered [ 12.669527][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 12.675890][ T1] Bluetooth: HCI UART protocol Marvell registered [ 12.682650][ T1] usbcore: registered new interface driver bfusb [ 12.689415][ T1] usbcore: registered new interface driver btusb [ 12.696797][ T1] CAPI 2.0 started up with major 68 (middleware) [ 12.703227][ T1] Modular ISDN core version 1.1.29 [ 12.709186][ T1] NET: Registered protocol family 34 [ 12.714747][ T1] DSP module 2.0 [ 12.718277][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 12.738337][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 12.744991][ T1] 0 virtual devices registered [ 12.750037][ T1] intel_pstate: CPU model not supported [ 12.758692][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 12.767454][ T1] usnic_verbs:usnic_uiom_init:563: [ 12.767458][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 12.783314][ T1] usnic_verbs:usnic_ib_init:667: [ 12.783318][ T1] Unable to initialize umem with err -1 [ 12.795995][ T1] iscsi: registered transport (iser) [ 12.802226][ T1] SoftiWARP attached [ 12.806471][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.818362][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.829836][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.850996][ T1] hid: raw HID events driver (C) Jiri Kosina [ 12.905661][ T1] usbcore: registered new interface driver usbhid [ 12.929523][ T1] usbhid: USB HID core driver [ 12.937010][ T1] ashmem: initialized [ 13.039146][ T1] usbcore: registered new interface driver snd-usb-audio [ 13.048250][ T1] drop_monitor: Initializing network drop monitor service [ 13.055985][ T1] NET: Registered protocol family 26 [ 13.061747][ T1] GACT probability on [ 13.065808][ T1] Mirror/redirect action on [ 13.070547][ T1] Simple TC action Loaded [ 13.077911][ T1] netem: version 1.3 [ 13.082048][ T1] u32 classifier [ 13.085588][ T1] Performance counters on [ 13.090428][ T1] input device check on [ 13.094911][ T1] Actions configured [ 13.101946][ T1] nf_conntrack_irc: failed to register helpers [ 13.108338][ T1] nf_conntrack_sane: failed to register helpers [ 13.155147][ T1] nf_conntrack_sip: failed to register helpers [ 13.165516][ T1] xt_time: kernel timezone is -0000 [ 13.171003][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 13.178077][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 13.187826][ T1] IPVS: ipvs loaded. [ 13.191867][ T1] IPVS: [rr] scheduler registered. [ 13.196959][ T1] IPVS: [wrr] scheduler registered. [ 13.202458][ T1] IPVS: [lc] scheduler registered. [ 13.207554][ T1] IPVS: [wlc] scheduler registered. [ 13.212872][ T1] IPVS: [fo] scheduler registered. [ 13.217971][ T1] IPVS: [ovf] scheduler registered. [ 13.223208][ T1] IPVS: [lblc] scheduler registered. [ 13.228487][ T1] IPVS: [lblcr] scheduler registered. [ 13.234233][ T1] IPVS: [dh] scheduler registered. [ 13.239689][ T1] IPVS: [sh] scheduler registered. [ 13.244809][ T1] IPVS: [mh] scheduler registered. [ 13.249951][ T1] IPVS: [sed] scheduler registered. [ 13.255247][ T1] IPVS: [nq] scheduler registered. [ 13.260525][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 13.266457][ T1] IPVS: [sip] pe registered. [ 13.271233][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 13.279927][ T1] gre: GRE over IPv4 demultiplexor driver [ 13.285684][ T1] ip_gre: GRE over IPv4 tunneling driver [ 13.297835][ T1] IPv4 over IPsec tunneling driver [ 13.307370][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 13.315318][ T1] Initializing XFRM netlink socket [ 13.320618][ T1] IPsec XFRM device driver [ 13.326035][ T1] NET: Registered protocol family 10 [ 13.331673][ T1] [ 13.333988][ T1] ============================= [ 13.338814][ T1] WARNING: suspicious RCU usage [ 13.343711][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 13.350908][ T1] ----------------------------- [ 13.355824][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 13.363721][ T1] [ 13.363721][ T1] other info that might help us debug this: [ 13.363721][ T1] [ 13.374535][ T1] [ 13.374535][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 13.382656][ T1] 1 lock held by swapper/0/1: [ 13.387318][ T1] #0: ffffffff8a7a85b0 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 13.399144][ T1] [ 13.399144][ T1] stack backtrace: [ 13.405066][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 13.414371][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 13.415028][ T1] Call Trace: [ 13.415028][ T1] dump_stack+0x18f/0x20d [ 13.415028][ T1] ip6mr_get_table+0x153/0x180 [ 13.415028][ T1] ip6mr_new_table+0x1b/0x70 [ 13.415028][ T1] ip6mr_net_init+0x133/0x3f0 [ 13.415028][ T1] ? ip6mr_net_exit+0x100/0x100 [ 13.415028][ T1] ops_init+0xaf/0x420 [ 13.415028][ T1] register_pernet_operations+0x346/0x840 [ 13.415028][ T1] ? setup_net+0x860/0x860 [ 13.415028][ T1] ? down_write_killable+0x170/0x170 [ 13.415028][ T1] ? cpus_read_unlock+0xa4/0x140 [ 13.415028][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 13.415028][ T1] ? unix_diag_init+0x11/0x11 [ 13.415028][ T1] register_pernet_subsys+0x25/0x40 [ 13.415028][ T1] ip6_mr_init+0x49/0x152 [ 13.415028][ T1] inet6_init+0x1d7/0x6dc [ 13.415028][ T1] do_one_initcall+0x10a/0x7d0 [ 13.415028][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 13.415028][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 13.415028][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 13.415028][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 13.415028][ T1] kernel_init_freeable+0x501/0x5ae [ 13.415028][ T1] ? rest_init+0x365/0x365 [ 13.415028][ T1] kernel_init+0xd/0x1bb [ 13.415028][ T1] ret_from_fork+0x24/0x30 [ 13.556732][ T1] Segment Routing with IPv6 [ 13.561823][ T1] mip6: Mobile IPv6 [ 13.569886][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 13.582424][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 13.592601][ T1] NET: Registered protocol family 17 [ 13.597994][ T1] NET: Registered protocol family 15 [ 13.604377][ T1] Bridge firewalling registered [ 13.611012][ T1] NET: Registered protocol family 9 [ 13.616316][ T1] X25: Linux Version 0.2 [ 13.651772][ T1] NET: Registered protocol family 6 [ 13.693220][ T1] NET: Registered protocol family 11 [ 13.698842][ T1] NET: Registered protocol family 3 [ 13.704712][ T1] can: controller area network core (rev 20170425 abi 9) [ 13.712119][ T1] NET: Registered protocol family 29 [ 13.717417][ T1] can: raw protocol (rev 20170425) [ 13.722625][ T1] can: broadcast manager protocol (rev 20170425 t) [ 13.729143][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 13.735725][ T1] can: SAE J1939 [ 13.739901][ T1] Bluetooth: RFCOMM TTY layer initialized [ 13.745648][ T1] Bluetooth: RFCOMM socket layer initialized [ 13.753801][ T1] Bluetooth: RFCOMM ver 1.11 [ 13.758436][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 13.764955][ T1] Bluetooth: BNEP filters: protocol multicast [ 13.771559][ T1] Bluetooth: BNEP socket layer initialized [ 13.777361][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 13.783224][ T1] Bluetooth: CMTP socket layer initialized [ 13.789021][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 13.795894][ T1] Bluetooth: HIDP socket layer initialized [ 13.802127][ T1] RPC: Registered rdma transport module. [ 13.807760][ T1] RPC: Registered rdma backchannel transport module. [ 13.817191][ T1] NET: Registered protocol family 33 [ 13.822941][ T1] Key type rxrpc registered [ 13.827448][ T1] Key type rxrpc_s registered [ 13.833104][ T1] NET: Registered protocol family 41 [ 13.838958][ T1] lec:lane_module_init: lec.c: initialized [ 13.844908][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 13.850758][ T1] l2tp_core: L2TP core driver, V2.0 [ 13.856013][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 13.861685][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 13.869346][ T1] l2tp_netlink: L2TP netlink interface [ 13.875802][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 13.882754][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 13.890501][ T1] NET: Registered protocol family 35 [ 13.896137][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 13.913868][ T1] DCCP: Activated CCID 2 (TCP-like) [ 13.919996][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 13.927841][ T1] sctp: Hash tables configured (bind 32/56) [ 13.935712][ T1] NET: Registered protocol family 21 [ 13.942101][ T1] Registered RDS/infiniband transport [ 13.948372][ T1] Registered RDS/tcp transport [ 13.953653][ T1] tipc: Activated (version 2.0.0) [ 13.960771][ T1] NET: Registered protocol family 30 [ 13.967236][ T1] tipc: Started in single node mode [ 13.973181][ T1] NET: Registered protocol family 43 [ 13.978760][ T1] 9pnet: Installing 9P2000 support [ 13.984494][ T1] NET: Registered protocol family 37 [ 13.993769][ T1] NET: Registered protocol family 36 [ 13.999981][ T1] Key type dns_resolver registered [ 14.005161][ T1] Key type ceph registered [ 14.010640][ T1] libceph: loaded (mon/osd proto 15/24) [ 14.018205][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 14.027626][ T1] openvswitch: Open vSwitch switching datapath [ 14.038672][ T1] NET: Registered protocol family 40 [ 14.044449][ T1] mpls_gso: MPLS GSO support [ 14.055984][ T1] IPI shorthand broadcast: enabled [ 14.062227][ T1] AVX2 version of gcm_enc/dec engaged. [ 14.067750][ T1] AES CTR mode by8 optimization enabled [ 14.079907][ T1] sched_clock: Marking stable (14064291585, 15570773)->(14087757126, -7894768) [ 14.090378][ T1] registered taskstats version 1 [ 14.095424][ T1] Loading compiled-in X.509 certificates [ 14.107110][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 14.120104][ T1] zswap: loaded using pool lzo/zbud [ 14.126562][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 14.137364][ T1] Key type ._fscrypt registered [ 14.142354][ T1] Key type .fscrypt registered [ 14.147124][ T1] Key type fscrypt-provisioning registered [ 14.155933][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 14.162842][ T1] FS-Cache: Netfs 'afs' registered for caching [ 14.178092][ T1] Btrfs loaded, crc32c=crc32c-intel [ 14.188468][ T1] Key type big_key registered [ 14.195695][ T1] Key type encrypted registered [ 14.201367][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 14.207969][ T1] ima: No TPM chip found, activating TPM-bypass! [ 14.215121][ T1] ima: Allocated hash algorithm: sha256 [ 14.220942][ T1] ima: No architecture policies found [ 14.226497][ T1] evm: Initialising EVM extended attributes: [ 14.232568][ T1] evm: security.selinux [ 14.236708][ T1] evm: security.SMACK64 [ 14.240956][ T1] evm: security.SMACK64EXEC [ 14.245429][ T1] evm: security.SMACK64TRANSMUTE [ 14.250378][ T1] evm: security.SMACK64MMAP [ 14.254865][ T1] evm: security.apparmor [ 14.259088][ T1] evm: security.ima [ 14.262920][ T1] evm: security.capability [ 14.267307][ T1] evm: HMAC attrs: 0x1 [ 14.272927][ T1] PM: Magic number: 4:477:242 [ 14.278289][ T1] tty ttysf: hash matches [ 14.284347][ T1] printk: console [netcon0] enabled [ 14.289918][ T1] netconsole: network logging started [ 14.298831][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 14.307755][ T1] rdma_rxe: loaded [ 14.312095][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 14.323254][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 14.331761][ T3378] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 14.341464][ T1] ALSA device list: [ 14.345261][ T1] #0: Dummy 1 [ 14.348706][ T1] #1: Loopback 1 [ 14.352546][ T3378] cfg80211: failed to load regulatory.db [ 14.358777][ T1] #2: Virtual MIDI Card 1 [ 14.366258][ T1] md: Waiting for all devices to be available before autodetect [ 14.374028][ T1] md: If you don't use raid, use raid=noautodetect [ 14.384993][ T1] md: Autodetecting RAID arrays. [ 14.390109][ T1] md: autorun ... [ 14.393753][ T1] md: ... autorun DONE. [ 14.452661][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 14.460942][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 14.520464][ T1] devtmpfs: mounted [ 14.533829][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 14.540791][ T1] Kernel memory protection disabled. [ 14.580143][ T1] Run /sbin/init as init process [ 15.770837][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.800488][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.808087][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.885646][ 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) [ 15.907613][ T1] systemd[1]: Detected virtualization kvm. [ 15.913573][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 16.032628][ T1] systemd[1]: Set hostname to . [ 16.486635][ T3886] systemd-debug-g (3886) used greatest stack depth: 26376 bytes left [ 16.488790][ T3892] systemd-fstab-generator[3892]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.502988][ T3889] systemd-cryptse (3889) used greatest stack depth: 25136 bytes left [ 16.521438][ T3885] selinux-autorel (3885) used greatest stack depth: 23432 bytes left [ 16.564262][ T3892] systemd-fstab-generator[3892]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.581473][ T3892] systemd-fstab-generator[3892]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.604762][ T3884] systemd[3884]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 17.053156][ T1] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password Requests to Wall Directory Watch. [ 17.100287][ T1] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 17.141743][ T1] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 17.189590][ 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. [ 17.239947][ T1] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 17.275485][ T1] [ 17.277920][ T1] ============================= [ 17.282940][ T1] WARNING: suspicious RCU usage [ 17.287835][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 17.294366][ T1] ----------------------------- [ 17.299215][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 17.308540][ T1] [ 17.308540][ T1] other info that might help us debug this: [ 17.308540][ T1] [ 17.319526][ T1] [ 17.319526][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 17.328092][ T1] 2 locks held by systemd/1: [ 17.332700][ T1] #0: ffff888098684450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 17.341886][ T1] #1: ffff8880989a5250 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 17.352313][ T1] [ 17.352313][ T1] stack backtrace: [ 17.358291][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 17.367547][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.378898][ T1] Call Trace: [ 17.382290][ T1] dump_stack+0x18f/0x20d [ 17.386691][ T1] evm_protected_xattr+0x1c2/0x210 [ 17.391959][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 17.397443][ T1] evm_inode_setxattr+0xc4/0xf0 [ 17.403626][ T1] security_inode_setxattr+0x18f/0x200 [ 17.409344][ T1] vfs_setxattr+0xa7/0xf0 [ 17.413928][ T1] setxattr+0x23d/0x330 [ 17.418068][ T1] ? vfs_setxattr+0xf0/0xf0 [ 17.422579][ T1] ? lock_acquire+0x1f4/0x940 [ 17.427233][ T1] ? mnt_want_write+0x3a/0xb0 [ 17.431918][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 17.437281][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 17.442550][ T1] ? preempt_count_add+0x74/0x140 [ 17.447550][ T1] ? preempt_count_add+0x74/0x140 [ 17.452674][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 17.457681][ T1] path_setxattr+0x170/0x190 [ 17.462256][ T1] ? setxattr+0x330/0x330 [ 17.466723][ T1] ? task_work_run+0x160/0x1b0 [ 17.471488][ T1] __x64_sys_setxattr+0xc0/0x160 [ 17.476439][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 17.482843][ T1] do_syscall_64+0xf6/0x7d0 [ 17.487434][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 17.493314][ T1] RIP: 0033:0x7fbf3ed6d67a [ 17.497710][ 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 [ 17.518203][ T1] RSP: 002b:00007fff8171dea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 17.526720][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf3ed6d67a [ 17.534784][ T1] RDX: 00007fff8171df20 RSI: 0000555a08852f9b RDI: 0000555a08d724b0 [ 17.542749][ T1] RBP: 0000555a08852f9b R08: 0000000000000000 R09: 0000000000000030 [ 17.551013][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007fff8171df20 [ 17.559072][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 0000555a08d43590 [ OK ] Created slice System Slice. Mounting Huge Pages File System... Mounting /proc/sys/fs/binfmt_misc... Mounting POSIX Message Queue File System... [ OK ] Reached target Slices. [ OK ] Created slice system-serial\x2dgetty.slice. [ OK ] Listening on Journal Audit Socket. [ OK ] Listening on Journal Socket. Starting Load Kernel Modules... [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Created slice system-getty.slice. [ OK ] Reached target Remote File Systems. [ OK ] Listening on Syslog Socket. Starting Journal Service... Mounting /sys/kernel/debug... Starting Remount Root and Kernel File Systems... Mounting /sys/kernel/config... [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Paths. [ OK ] Reached target Encrypted Volumes. [ 18.477347][ T3910] EXT4-fs (sda1): re-mounted. Opts: (null) Starting Create Static Device Nodes in /dev... [ OK ] Listening on udev Control Socket. [ OK ] Reached target Sockets. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Huge Pages File System. [ 18.741710][ T3915] systemd-tmpfile (3915) used greatest stack depth: 23048 bytes left [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Load Kernel Modules. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). Starting udev Coldplug all Devices... Starting Load/Save Random Seed... 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 udev Kernel Device Manager. [ OK ] Started Load/Save Random Seed. [ OK ] Started Apply Kernel Variables. [ OK ] Started Mark the need to relabel after reboot. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 20.677513][ T3905] systemd-journald[3905]: Received request to flush runtime journal from PID 1 [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. Starting Update UTMP about System Boot/Shutdown... [ 21.195572][ T1] [ 21.198117][ T1] ============================= [ 21.219601][ T1] WARNING: suspicious RCU usage [ 21.224520][ T1] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 21.239448][ T1] ----------------------------- [ 21.244456][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 21.254587][ T1] [ 21.254587][ T1] other info that might help us debug this: [ 21.254587][ T1] [ 21.265653][ T1] [ 21.265653][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 21.274356][ T1] 4 locks held by systemd/1: [ 21.278953][ T1] #0: ffff888098152450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 21.288954][ T1] #1: ffff8880a7e55088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 21.299153][ T1] #2: ffff8880a91e1ae8 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 21.309575][ T1] #3: ffffffff8a05e7a8 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 21.320471][ T1] [ 21.320471][ T1] stack backtrace: [ 21.326384][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 21.335314][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.345404][ T1] Call Trace: [ 21.348705][ T1] dump_stack+0x18f/0x20d [ 21.353048][ T1] match_exception_partial+0x2ee/0x340 [ 21.358522][ T1] verify_new_ex+0x176/0x3a0 [ 21.363125][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 21.368625][ T1] ? lock_acquire+0x1f4/0x940 [ 21.373313][ T1] ? kernfs_fop_write+0x1db/0x490 [ 21.378342][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.383558][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 21.388332][ T1] ? lock_downgrade+0x840/0x840 [ 21.393218][ T1] cgroup_file_write+0x20d/0x710 [ 21.398168][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.403372][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.408670][ T1] ? __might_fault+0x190/0x1d0 [ 21.413448][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.418766][ T1] kernfs_fop_write+0x268/0x490 [ 21.423629][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 21.428571][ T1] __vfs_write+0x76/0x100 [ 21.432907][ T1] vfs_write+0x268/0x5d0 [ 21.437159][ T1] ksys_write+0x12d/0x250 [ 21.441493][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 21.446264][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 21.452028][ T1] do_syscall_64+0xf6/0x7d0 [ 21.456545][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 21.462441][ T1] RIP: 0033:0x7fbf3ed61970 [ 21.466878][ T1] Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 7e 9b 01 00 48 89 04 24 [ 21.486486][ T1] RSP: 002b:00007fff8171da68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 21.494927][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbf3ed61970 [ 21.502915][ T1] RDX: 000000000000000a RSI: 0000555a08d525c0 RDI: 0000000000000026 [ 21.510902][ T1] RBP: 0000555a08d525c0 R08: 0000555a08daba50 R09: 00007fbf40797500 [ 21.518983][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 21.526961][ T1] R13: 0000000000000001 R14: 0000555a08dab970 R15: 000000000000000a Starting Network Time Synchronization... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 22.308297][ T3966] [ 22.311530][ T3966] ============================= [ 22.316383][ T3966] WARNING: suspicious RCU usage [ 22.321352][ T3966] 5.7.0-rc4-next-20200504-syzkaller #0 Not tainted [ 22.327945][ T3966] ----------------------------- [ 22.332894][ T3966] drivers/net/hamradio/bpqether.c:130 RCU-list traversed in non-reader section!! [ 22.342381][ T3966] [ 22.342381][ T3966] other info that might help us debug this: [ 22.342381][ T3966] [ 22.352709][ T3966] [ 22.352709][ T3966] rcu_scheduler_active = 2, debug_locks = 1 [ 22.360893][ T3966] 1 lock held by ip/3966: [ 22.365224][ T3966] #0: ffffffff8a7b4508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 22.374762][ T3966] [ 22.374762][ T3966] stack backtrace: [ 22.381113][ T3966] CPU: 1 PID: 3966 Comm: ip Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 22.389874][ T3966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.399927][ T3966] Call Trace: [ 22.403239][ T3966] dump_stack+0x18f/0x20d [ 22.407585][ T3966] bpq_device_event+0x609/0x75a [ 22.412457][ T3966] notifier_call_chain+0xc0/0x230 [ 22.417513][ T3966] call_netdevice_notifiers_info+0xb5/0x130 [ 22.423455][ T3966] __dev_notify_flags+0x121/0x2c0 [ 22.428548][ T3966] ? dev_change_name+0x700/0x700 [ 22.433764][ T3966] ? dev_set_allmulti+0x30/0x30 [ 22.438624][ T3966] ? print_usage_bug+0x240/0x240 [ 22.443578][ T3966] dev_change_flags+0x100/0x160 [ 22.448441][ T3966] do_setlink+0xa1c/0x35d0 [ 22.452885][ T3966] ? mark_lock+0x129/0x1390 [ 22.457436][ T3966] ? rtnl_getlink+0xab0/0xab0 [ 22.462149][ T3966] ? print_usage_bug+0x240/0x240 [ 22.467121][ T3966] ? mark_lock+0x129/0x1390 [ 22.471660][ T3966] ? mark_lock+0x129/0x1390 [ 22.476356][ T3966] ? memset+0x20/0x40 [ 22.480355][ T3966] ? __nla_validate_parse+0x2dc/0x1c70 [ 22.485853][ T3966] ? nla_get_range_signed+0x520/0x520 [ 22.491239][ T3966] ? mark_held_locks+0xe0/0xe0 [ 22.496201][ T3966] ? deref_stack_reg+0xaa/0xe0 [ 22.500978][ T3966] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 22.507609][ T3966] __rtnl_newlink+0xad0/0x1590 [ 22.512397][ T3966] ? rtnl_link_unregister+0x240/0x240 [ 22.517790][ T3966] ? is_bpf_text_address+0xcb/0x160 [ 22.522997][ T3966] ? kernel_text_address+0x6e/0xe0 [ 22.528132][ T3966] ? __kernel_text_address+0x9/0x30 [ 22.533345][ T3966] ? unwind_get_return_address+0x5a/0xa0 [ 22.538999][ T3966] ? profile_setup.cold+0xc1/0xc1 [ 22.544053][ T3966] ? arch_stack_walk+0x97/0xf0 [ 22.548844][ T3966] ? stack_trace_save+0x8c/0xc0 [ 22.553709][ T3966] ? stack_trace_consume_entry+0x160/0x160 [ 22.559577][ T3966] ? rtnl_newlink+0x46/0xa0 [ 22.564119][ T3966] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.569679][ T3966] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.575678][ T3966] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 22.581594][ T3966] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 22.587162][ T3966] rtnl_newlink+0x64/0xa0 [ 22.591505][ T3966] ? __rtnl_newlink+0x1590/0x1590 [ 22.596576][ T3966] rtnetlink_rcv_msg+0x44e/0xad0 [ 22.601531][ T3966] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.606834][ T3966] ? lock_acquire+0x1f4/0x940 [ 22.611538][ T3966] ? netlink_deliver_tap+0x146/0xcc0 [ 22.616846][ T3966] netlink_rcv_skb+0x15a/0x430 [ 22.621624][ T3966] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 22.626920][ T3966] ? netlink_ack+0xa60/0xa60 [ 22.631615][ T3966] ? netlink_deliver_tap+0x236/0xcc0 [ 22.636916][ T3966] netlink_unicast+0x537/0x740 [ 22.641695][ T3966] ? netlink_attachskb+0x810/0x810 [ 22.646817][ T3966] ? _copy_from_iter_full+0x25c/0x870 [ 22.652391][ T3966] ? __phys_addr_symbol+0x2c/0x70 [ 22.657422][ T3966] ? __check_object_size+0x171/0x437 [ 22.662715][ T3966] netlink_sendmsg+0x882/0xe10 [ 22.667504][ T3966] ? aa_af_perm+0x260/0x260 [ 22.672019][ T3966] ? netlink_unicast+0x740/0x740 [ 22.676982][ T3966] ? netlink_unicast+0x740/0x740 [ 22.682112][ T3966] sock_sendmsg+0xcf/0x120 [ 22.686538][ T3966] ____sys_sendmsg+0x6bf/0x7e0 [ 22.691311][ T3966] ? mark_held_locks+0xe0/0xe0 [ 22.696083][ T3966] ? kernel_sendmsg+0x50/0x50 [ 22.700773][ T3966] ? find_held_lock+0x2d/0x110 [ 22.705565][ T3966] ? mark_lock+0x129/0x1390 [ 22.710087][ T3966] ___sys_sendmsg+0x100/0x170 [ 22.714810][ T3966] ? sendmsg_copy_msghdr+0x70/0x70 [ 22.719960][ T3966] ? migration_entry_to_page+0x310/0x310 [ 22.725612][ T3966] ? do_raw_spin_unlock+0x171/0x260 [ 22.730826][ T3966] ? find_held_lock+0x2d/0x110 [ 22.735604][ T3966] ? do_page_fault+0x59e/0x13da [ 22.740477][ T3966] ? vm_insert_pages+0x6a0/0x6a0 [ 22.745437][ T3966] ? lock_downgrade+0x840/0x840 [ 22.750306][ T3966] ? __fget_light+0x1ab/0x270 [ 22.755280][ T3966] __sys_sendmsg+0xec/0x1b0 [ 22.760557][ T3966] ? __sys_sendmsg_sock+0xb0/0xb0 [ 22.765596][ T3966] ? down_read_nested+0x430/0x430 [ 22.770640][ T3966] ? trace_hardirqs_off_caller+0x55/0x230 [ 22.776375][ T3966] ? do_syscall_64+0x21/0x7d0 [ 22.781068][ T3966] do_syscall_64+0xf6/0x7d0 [ 22.785590][ T3966] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 22.791492][ T3966] RIP: 0033:0x7ff46bac2dc7 [ 22.795912][ T3966] 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 [ 22.815780][ T3966] RSP: 002b:00007ffce7ed09f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.830014][ T3966] RAX: ffffffffffffffda RBX: 000000005eb06981 RCX: 00007ff46bac2dc7 [ 22.838604][ T3966] RDX: 0000000000000000 RSI: 00007ffce7ed0a40 RDI: 0000000000000003 [ 22.847807][ T3966] RBP: 00007ffce7ed0a40 R08: 0000000000001000 R09: fefefeff77686d74 [ 22.856048][ T3966] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffce7ed0a80 [ 22.864116][ T3966] R13: 00005605792e43c0 R14: 00007ffce7ed8b00 R15: 0000000000000000 [ 23.137570][ C1] random: crng init done [ 23.142384][ C1] random: 7 urandom warning(s) missed due to ratelimiting Stopping Network Time Synchronization... [ OK ] Stopped Network Time Synchronization. Starting Network Time Synchronization... [ OK ] Started Network Time Synchronization. [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [* ] (1 of 2) A start job is running for…dplug all Devices (15s / no limit) [** ] (1 of 2) A start job is running for…dplug all Devices (16s / no limit) [*** ] (1 of 2) A start job is running for…dplug all Devices (17s / no limit) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (17s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (18s / 1min 30s) [ OK ] Reached target Sound Card. [ ***] (2 of 2) A start job is running for dev-ttyS0.device (23s / 1min 30s) [ **] (1 of 2) A start job is running for…dplug all Devices (24s / no limit) [ *] (1 of 2) A start job is running for…dplug all Devices (24s / no limit) [ **] (1 of 2) A start job is running for…dplug all Devices (25s / no limit) [ ***] (2 of 2) A start job is running for dev-ttyS0.device (26s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (26s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (27s / 1min 30s) [ OK ] Found device /dev/ttyS0. [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Basic System. [ OK ] Started Regular background program processing daemon. Starting Permit User Sessions... Starting OpenBSD Secure Shell server... Starting System Logging Service... [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. Starting getty on tty2-tty6 if dbus and logind are not available... [ 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. [ 51.939993][ T6744] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 51.951745][ T6744] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 51.960512][ T6744] CPU: 1 PID: 6744 Comm: sshd Not tainted 5.7.0-rc4-next-20200504-syzkaller #0 [ 51.969442][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.979603][ T6744] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 51.985780][ T6744] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b4 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 60 49 8d 7f 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 87 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 52.005836][ T6744] RSP: 0018:ffffc90004997450 EFLAGS: 00010206 [ 52.011958][ T6744] RAX: dffffc0000000000 RBX: ffff888098426000 RCX: ffffffff8363a26a [ 52.020109][ T6744] RDX: 0000000000000005 RSI: ffffffff8363a278 RDI: 0000000000000028 [ 52.028081][ T6744] RBP: 1ffff92000932e8b R08: ffff88809b62e000 R09: fffffbfff1559b2a [ 52.036085][ T6744] R10: ffffffff8aacd94f R11: fffffbfff1559b29 R12: ffff8880893c8fea [ 52.044058][ T6744] R13: ffff8880893c8000 R14: 0000000000001a58 R15: 0000000000000000 [ 52.052032][ T6744] FS: 00007f71feb8a8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 52.060965][ T6744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.067548][ T6744] CR2: 000056401616d8f5 CR3: 000000008e466000 CR4: 00000000001406e0 [ 52.075526][ T6744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.083505][ T6744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.091499][ T6744] Call Trace: [ 52.094796][ T6744] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 52.100291][ T6744] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 52.106190][ T6744] ? __kmalloc+0x62f/0x7a0 [ 52.110726][ T6744] ? tomoyo_realpath_from_path+0xc2/0x620 [ 52.116630][ T6744] ? lock_release+0x800/0x800 [ 52.121408][ T6744] ? __lock_acquire+0x2018/0x3f20 [ 52.127232][ T6744] tomoyo_realpath_from_path+0x393/0x620 [ 52.133483][ T6744] tomoyo_path_number_perm+0x1c2/0x4d0 [ 52.139634][ T6744] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 52.145366][ T6744] ? tomoyo_execute_permission+0x470/0x470 [ 52.151356][ T6744] ? d_alloc_parallel+0x785/0x1b10 [ 52.156914][ T6744] ? d_alloc_parallel+0x9ea/0x1b10 [ 52.162121][ T6744] ? rcu_read_lock_held_common+0x130/0x130 [ 52.168151][ T6744] ? print_usage_bug+0x240/0x240 [ 52.173621][ T6744] tomoyo_path_mknod+0x10d/0x190 [ 52.178678][ T6744] ? tomoyo_path_chown+0x1b0/0x1b0 [ 52.184141][ T6744] ? mark_held_locks+0x9f/0xe0 [ 52.189340][ T6744] ? d_lookup+0xec/0x250 [ 52.197476][ T6744] security_path_mknod+0x116/0x180 [ 52.203039][ T6744] lookup_open+0x5ae/0x1320 [ 52.207867][ T6744] ? page_put_link+0x210/0x210 [ 52.212731][ T6744] ? preempt_count_add+0x74/0x140 [ 52.217806][ T6744] ? __mnt_want_write+0x1da/0x2c0 [ 52.222835][ T6744] path_openat+0x93c/0x27f0 [ 52.227372][ T6744] ? path_lookupat.isra.0+0x530/0x530 [ 52.233108][ T6744] ? up_read+0x1a8/0x750 [ 52.237652][ T6744] ? mark_held_locks+0xe0/0xe0 [ 52.242527][ T6744] ? down_read_nested+0x430/0x430 [ 52.247564][ T6744] do_filp_open+0x192/0x260 [ 52.252071][ T6744] ? may_open_dev+0xf0/0xf0 [ 52.256576][ T6744] ? simple_attr_release+0x40/0x40 [ 52.261701][ T6744] ? _raw_spin_unlock+0x24/0x40 [ 52.266549][ T6744] ? __alloc_fd+0x46d/0x600 [ 52.271230][ T6744] do_sys_openat2+0x585/0x7d0 [ 52.276384][ T6744] ? file_open_root+0x400/0x400 [ 52.281416][ T6744] ? up_read+0x1a8/0x750 [ 52.285673][ T6744] do_sys_open+0xc3/0x140 [ 52.290091][ T6744] ? filp_open+0x70/0x70 [ 52.294476][ T6744] ? handle_mm_fault+0x29e/0x660 [ 52.300892][ T6744] ? trace_hardirqs_off_caller+0x55/0x230 [ 52.307351][ T6744] do_syscall_64+0xf6/0x7d0 [ 52.311878][ T6744] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.317917][ T6744] RIP: 0033:0x7f71fccf36f0 [ 52.322421][ T6744] 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 [ 52.342027][ T6744] RSP: 002b:00007fff9fb996c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 52.350701][ T6744] RAX: ffffffffffffffda RBX: 0000564017306410 RCX: 00007f71fccf36f0 [ 52.358941][ T6744] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 000056401616d8f5 [ 52.366914][ T6744] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 52.375058][ T6744] R10: 0000000000000240 R11: 0000000000000246 R12: 000056401613e51e [ 52.383029][ T6744] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 52.394387][ T6744] Modules linked in: [[ 52.555151][ T6744] ---[ end trace e40db450462f0726 ]---  OK [0[ 52.561197][ T6744] RIP: 0010:tomoyo_get_local_path+0x450/0x800 m] Listening on [ 52.568321][ T6744] 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 Load/Save RF Kill Switch Status /dev/rfkill Watch. [ 52.628509][ T6744] RSP: 0018:ffffc90004997450 EFLAGS: 00010206 [ 52.634697][ T6744] RAX: dffffc0000000000 RBX: ffff888098426000 RCX: ffffffff8363a26a [[ 52.661779][ T6744] RDX: 0000000000000005 RSI: ffffffff8363a278 RDI: 0000000000000028  OK ] Started Getty on tty6. [ 52.718855][ T6744] RBP: 1ffff92000932e8b R08: ffff88809b62e000 R09: fffffbfff1559b2a [ 52.726860][ T6744] R10: ffffffff8aacd94f R11: fffffbfff1559b29 R12: ffff8880893c8fea [ 52.776491][ T6744] R13: ffff8880893c8000 R14: 0000000000001a58 R15: 0000000000000000 [ OK ] Started Getty on tty5. [ 52.854608][ T6744] FS: 00007f71feb8a8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 52.918907][ T6744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.936686][ T6744] CR2: 0000555a08ddaed8 CR3: 000000008e466000 CR4: 00000000001406e0 [ OK ] Started Getty on tty4. [ 53.020946][ T6744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.081716][ T6744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.104344][ T6744] Kernel panic - not syncing: Fatal exception [ 53.112012][ T6744] Kernel Offset: disabled [ 53.116473][ T6744] Rebooting in 86400 seconds..