[ 0.000000][ T0] Linux version 5.7.0-rc3-next-20200501-syzkaller (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003][ T0] kvm-clock: cpu 0, msr be43001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 4660920031 cycles [ 0.001189][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004657][ T0] tsc: Detected 2300.000 MHz processor [ 0.007452][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.008973][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.013046][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020552][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.022351][ T0] check: Scanning 1 areas for low memory corruption [ 0.023816][ T0] Using GB pages for direct mapping [ 0.027203][ T0] ACPI: Early table checksum verification disabled [ 0.028998][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.030316][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.032437][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.034277][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.035574][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.036477][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.037818][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.039226][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.041316][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.042968][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.045832][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.047616][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.049123][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.051242][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.052692][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.054643][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.057525][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.059877][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.061782][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.064400][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.067005][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.122169][ T0] Zone ranges: [ 0.122974][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.124286][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.126765][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.127798][ T0] Device empty [ 0.128804][ T0] Movable zone start for each node [ 0.129916][ T0] Early memory node ranges [ 0.131470][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.132836][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.135522][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.137104][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.138421][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.138427][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.169751][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.625854][ T0] kasan: KernelAddressSanitizer initialized [ 0.627732][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.629353][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.630879][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.632262][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.634171][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.636890][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.638720][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.641275][ T0] Using ACPI (MADT) for SMP configuration information [ 0.643143][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.644326][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.645994][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.648275][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.650179][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.652340][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.655875][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.657643][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.659530][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.660997][ T0] Booting paravirtualized kernel on KVM [ 0.662332][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.718690][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.721698][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.723147][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.725278][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.727998][ T0] Policy zone: Normal [ 0.728754][ 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 [ 0.747516][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.563759][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17331K rwdata, 21712K rodata, 2776K init, 24500K bss, 1402688K reserved, 0K cma-reserved) [ 1.572951][ T0] Running RCU self tests [ 1.574005][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.576581][ T0] rcu: RCU lockdep checking is enabled. [ 1.578577][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.580226][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.581734][ T0] Trampoline variant of Tasks RCU enabled. [ 1.583400][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.585755][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.595552][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.598031][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 1.602222][ T0] Console: colour VGA+ 80x25 [ 1.604824][ T0] printk: console [ttyS0] enabled [ 1.604824][ T0] printk: console [ttyS0] enabled [ 1.607707][ T0] printk: bootconsole [earlyser0] disabled [ 1.607707][ T0] printk: bootconsole [earlyser0] disabled [ 1.610667][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.612422][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.613510][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.615123][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.616597][ T0] ... CLASSHASH_SIZE: 4096 [ 1.617426][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.618512][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.620210][ T0] ... CHAINHASH_SIZE: 32768 [ 1.621776][ T0] memory used by lock dependency info: 6301 kB [ 1.623123][ T0] memory used for stack traces: 4224 kB [ 1.624456][ T0] per task-struct memory footprint: 1920 bytes [ 1.627306][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.629528][ T0] ACPI: Core revision 20200326 [ 1.632876][ T0] APIC: Switch to symmetric I/O mode setup [ 1.634322][ T0] x2apic enabled [ 1.636971][ T0] Switched APIC routing to physical x2apic. [ 1.641734][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.643035][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.645495][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.646928][ T0] pid_max: default: 32768 minimum: 301 [ 1.649312][ T0] LSM: Security Framework initializing [ 1.650309][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.651581][ T0] Yama: becoming mindful. [ 1.655722][ T0] TOMOYO Linux initialized [ 1.657662][ T0] AppArmor: AppArmor initialized [ 1.666170][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.672153][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.674545][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.675604][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.681829][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.683170][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.685530][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.687017][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.687052][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.692406][ T0] MDS: Mitigation: Clear CPU buffers [ 1.696296][ T0] Freeing SMP alternatives memory: 96K [ 1.819939][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.823584][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.825484][ T1] rcu: Hierarchical SRCU implementation. [ 1.825484][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.825965][ T1] smp: Bringing up secondary CPUs ... [ 1.832053][ T1] x86: Booting SMP configuration: [ 1.833161][ T1] .... node #0, CPUs: #1 [ 0.047608][ T0] kvm-clock: cpu 1, msr be43041, secondary cpu clock [ 1.837320][ 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. [ 1.839526][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.840387][ T1] smpboot: Max logical packages: 1 [ 1.841777][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.847637][ T1] devtmpfs: initialized [ 1.847740][ T1] x86/mm: Memory block size: 128MB [ 1.877472][ T22] kworker/u4:0 (22) used greatest stack depth: 27456 bytes left [ 1.879524][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.885666][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.888164][ T1] xor: automatically using best checksumming function avx [ 1.891014][ T1] PM: RTC time: 11:16:38, date: 2020-05-02 [ 1.892066][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.892071][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.898219][ T1] NET: Registered protocol family 16 [ 1.907206][ T1] audit: initializing netlink subsys (disabled) [ 1.908290][ T27] audit: type=2000 audit(1588418198.799:1): state=initialized audit_enabled=0 res=1 [ 1.911408][ T1] cpuidle: using governor menu [ 1.919334][ T1] ACPI: bus type PCI registered [ 1.921569][ T1] dca service started, version 1.12.1 [ 1.922961][ T1] PCI: Using configuration type 1 for base access [ 1.983171][ T134] kworker/u4:1 (134) used greatest stack depth: 27336 bytes left [ 2.001237][ T204] kworker/u4:3 (204) used greatest stack depth: 26680 bytes left [ 2.450201][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.450201][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.456221][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.477999][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.675533][ T1] raid6: avx2x4 gen() 11544 MB/s [ 2.843720][ T1] raid6: avx2x4 xor() 5953 MB/s [ 3.013685][ T1] raid6: avx2x2 gen() 7998 MB/s [ 3.183686][ T1] raid6: avx2x2 xor() 3375 MB/s [ 3.353687][ T1] raid6: avx2x1 gen() 4774 MB/s [ 3.523680][ T1] raid6: avx2x1 xor() 1788 MB/s [ 3.693677][ T1] raid6: sse2x4 gen() 6125 MB/s [ 3.865538][ T1] raid6: sse2x4 xor() 3216 MB/s [ 4.035507][ T1] raid6: sse2x2 gen() 4097 MB/s [ 4.205501][ T1] raid6: sse2x2 xor() 1709 MB/s [ 4.375511][ T1] raid6: sse2x1 gen() 2395 MB/s [ 4.545505][ T1] raid6: sse2x1 xor() 903 MB/s [ 4.547051][ T1] raid6: using algorithm avx2x4 gen() 11544 MB/s [ 4.548195][ T1] raid6: .... xor() 5953 MB/s, rmw enabled [ 4.549715][ T1] raid6: using avx2x2 recovery algorithm [ 4.552591][ T1] ACPI: Added _OSI(Module Device) [ 4.554222][ T1] ACPI: Added _OSI(Processor Device) [ 4.555421][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.555507][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.556868][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.557696][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.560098][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.616512][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.679416][ T1] ACPI: Interpreter enabled [ 4.682365][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.683656][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.685855][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.690516][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.795946][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.797292][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.799183][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.806567][ T1] PCI host bridge to bus 0000:00 [ 4.807331][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.808443][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.809713][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.810753][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.811927][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.813040][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.814207][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.819754][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.841479][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.859796][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.864771][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.871554][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.877322][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.893092][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.901475][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.907501][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 4.928238][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 4.935529][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.940585][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 4.971826][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.976443][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.980671][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.985008][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.987419][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.997919][ T1] iommu: Default domain type: Translated [ 5.000078][ T1] vgaarb: loaded [ 5.005610][ T1] SCSI subsystem initialized [ 5.009652][ T1] ACPI: bus type USB registered [ 5.011207][ T1] usbcore: registered new interface driver usbfs [ 5.012381][ T1] usbcore: registered new interface driver hub [ 5.013864][ T1] usbcore: registered new device driver usb [ 5.018411][ T1] mc: Linux media interface: v0.10 [ 5.019530][ T1] videodev: Linux video capture interface: v2.00 [ 5.021313][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.022141][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.023949][ T1] PTP clock support registered [ 5.027995][ T1] EDAC MC: Ver: 3.0.0 [ 5.029004][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.035734][ T1] PCI: Using ACPI for IRQ routing [ 5.041609][ T1] Bluetooth: Core ver 2.22 [ 5.045737][ T1] NET: Registered protocol family 31 [ 5.046442][ T1] Bluetooth: HCI device and connection manager initialized [ 5.048175][ T1] Bluetooth: HCI socket layer initialized [ 5.049184][ T1] Bluetooth: L2CAP socket layer initialized [ 5.050545][ T1] Bluetooth: SCO socket layer initialized [ 5.051766][ T1] NET: Registered protocol family 8 [ 5.053313][ T1] NET: Registered protocol family 20 [ 5.055660][ T1] NetLabel: Initializing [ 5.056884][ T1] NetLabel: domain hash size = 128 [ 5.057616][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.059093][ T1] NetLabel: unlabeled traffic allowed by default [ 5.060515][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.060515][ T1] NET: Registered protocol family 39 [ 5.068434][ T1] clocksource: Switched to clocksource kvm-clock [ 7.799934][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.801347][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.804405][ T1] FS-Cache: Loaded [ 7.806859][ T1] CacheFiles: Loaded [ 7.807988][ T1] TOMOYO: 2.6.0 [ 7.809047][ T1] Mandatory Access Control activated. [ 7.812265][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.813908][ T1] pnp: PnP ACPI init [ 7.828306][ T1] pnp: PnP ACPI: found 7 devices [ 7.881622][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.885080][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.889345][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.891632][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.893006][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 7.896880][ T1] NET: Registered protocol family 2 [ 7.900876][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 7.904085][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 7.911481][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 7.917212][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 7.921655][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.924714][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.929200][ T1] [ 7.929831][ T1] ============================= [ 7.930935][ T1] WARNING: suspicious RCU usage [ 7.931842][ T1] 5.7.0-rc3-next-20200501-syzkaller #0 Not tainted [ 7.933556][ T1] ----------------------------- [ 7.934354][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 7.936930][ T1] [ 7.936930][ T1] other info that might help us debug this: [ 7.936930][ T1] [ 7.939607][ T1] [ 7.939607][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 7.941701][ T1] 1 lock held by swapper/0/1: [ 7.942943][ T1] #0: ffffffff8a7a7470 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 7.945088][ T1] [ 7.945088][ T1] stack backtrace: [ 7.946591][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 7.950189][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.952455][ T1] Call Trace: [ 7.953462][ T1] dump_stack+0x18f/0x20d [ 7.954202][ T1] ipmr_get_table+0x130/0x160 [ 7.955616][ T1] ipmr_net_init+0x133/0x430 [ 7.956454][ T1] ? ipmr_net_exit+0x100/0x100 [ 7.956550][ T1] ops_init+0xaf/0x420 [ 7.956550][ T1] register_pernet_operations+0x346/0x840 [ 7.956550][ T1] ? setup_net+0x860/0x860 [ 7.956550][ T1] ? down_write_killable+0x170/0x170 [ 7.956550][ T1] ? cpus_read_unlock+0xa4/0x140 [ 7.956550][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 7.956550][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 7.956550][ T1] register_pernet_subsys+0x25/0x40 [ 7.956550][ T1] ip_mr_init+0x36/0x168 [ 7.956550][ T1] inet_init+0x298/0x424 [ 7.956550][ T1] do_one_initcall+0x10a/0x7d0 [ 7.956550][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 7.956550][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 7.956550][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 7.956550][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 7.956550][ T1] kernel_init_freeable+0x501/0x5ae [ 7.956550][ T1] ? rest_init+0x365/0x365 [ 7.956550][ T1] kernel_init+0xd/0x1bb [ 7.956550][ T1] ret_from_fork+0x24/0x30 [ 7.981356][ T1] NET: Registered protocol family 1 [ 7.984894][ T1] RPC: Registered named UNIX socket transport module. [ 7.986681][ T1] RPC: Registered udp transport module. [ 7.987660][ T1] RPC: Registered tcp transport module. [ 7.988937][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.992479][ T1] NET: Registered protocol family 44 [ 7.993742][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.995329][ T1] PCI: CLS 0 bytes, default 64 [ 8.000390][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.002232][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.007458][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.012460][ T1] kvm: already loaded the other module [ 8.013804][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.016400][ T1] clocksource: Switched to clocksource tsc [ 8.017968][ T1] mce: Machine check injector initialized [ 8.022814][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.086325][ T1] Initialise system trusted keyrings [ 8.088894][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.090655][ T1] zbud: loaded [ 8.097423][ T1] DLM installed [ 8.101097][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.105825][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.108383][ T1] NFS: Registering the id_resolver key type [ 8.110253][ T1] Key type id_resolver registered [ 8.111470][ T1] Key type id_legacy registered [ 8.112444][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.114211][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.121221][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.123953][ T1] Key type cifs.spnego registered [ 8.125112][ T1] Key type cifs.idmap registered [ 8.126834][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.129316][ T1] fuse: init (API version 7.31) [ 8.132609][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.145887][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.151615][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.153282][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.156074][ T1] ocfs2: Registered cluster interface o2cb [ 8.157592][ T1] ocfs2: Registered cluster interface user [ 8.159603][ T1] OCFS2 User DLM kernel interface loaded [ 8.169942][ T1] gfs2: GFS2 installed [ 8.174765][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.176697][ T1] ceph: loaded (mds proto 32) [ 8.189049][ T1] NET: Registered protocol family 38 [ 8.190835][ T1] async_tx: api initialized (async) [ 8.192669][ T1] Key type asymmetric registered [ 8.193916][ T1] Asymmetric key parser 'x509' registered [ 8.195018][ T1] Asymmetric key parser 'pkcs8' registered [ 8.196706][ T1] Key type pkcs7_test registered [ 8.198771][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.200431][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.204064][ T1] io scheduler mq-deadline registered [ 8.205424][ T1] io scheduler kyber registered [ 8.206821][ T1] io scheduler bfq registered [ 8.221426][ T1] hgafb: HGA card not detected. [ 8.222795][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.225327][ T1] usbcore: registered new interface driver udlfb [ 8.228641][ T1] uvesafb: failed to execute /sbin/v86d [ 8.230159][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.232191][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.233458][ T1] uvesafb: vbe_init() failed with -22 [ 8.235280][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.238148][ T1] vga16fb: mapped to 0x00000000f95e8001 [ 8.304640][ T1] Console: switching to colour frame buffer device 80x30 [ 8.591401][ T1] fb0: VGA16 VGA frame buffer device [ 8.595066][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 8.606294][ T1] ACPI: Power Button [PWRF] [ 8.608473][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 8.610483][ T1] ACPI: Sleep Button [SLPF] [ 8.619294][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.634330][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 8.635445][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.651236][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 8.653004][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 8.673440][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 8.675075][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 8.959775][ T1] N_HDLC line discipline registered with maxframe=4096 [ 8.961681][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 8.963678][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 8.971792][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 8.977767][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 8.984618][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 8.995283][ T1] Cyclades driver 2.6 [ 8.997532][ T1] Initializing Nozomi driver 2.1d [ 8.999750][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.001087][ T1] No rocketport ports found; unloading driver [ 9.006105][ T1] Non-volatile memory driver v1.3 [ 9.008974][ T1] Linux agpgart interface v0.103 [ 9.019551][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.021291][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.025742][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.027437][ T1] usbcore: registered new interface driver udl [ 9.078604][ T1] brd: module loaded [ 9.114267][ T1] loop: module loaded [ 9.292717][ T1] zram: Added device: zram0 [ 9.300244][ T1] null_blk: module loaded [ 9.308549][ T1] nfcsim 0.2 initialized [ 9.313458][ T1] Loading iSCSI transport class v2.0-870. [ 9.340052][ T1] scsi host0: Virtio SCSI HBA [ 9.383833][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.390023][ T44] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.404293][ T1] slram: not enough parameters. [ 9.412002][ T1] ftl_cs: FTL header not found. [ 9.448592][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.451641][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.457286][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.468732][ T1] MACsec IEEE 802.1AE [ 9.470831][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.516544][ T1] vcan: Virtual CAN interface driver [ 9.517910][ T1] vxcan: Virtual CAN Tunnel driver [ 9.520664][ T1] slcan: serial line CAN interface driver [ 9.522329][ T1] slcan: 10 dynamic interface channels. [ 9.524476][ T1] CAN device driver interface [ 9.527027][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 9.529109][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.532057][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 9.534367][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.536540][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 9.538962][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.542674][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 9.544380][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 9.546136][ T1] AX.25: bpqether driver version 004 [ 9.547633][ T1] PPP generic driver version 2.4.2 [ 9.550201][ T1] PPP BSD Compression module registered [ 9.552253][ T1] PPP Deflate Compression module registered [ 9.554694][ T1] PPP MPPE Compression module registered [ 9.556769][ T1] NET: Registered protocol family 24 [ 9.558703][ T1] PPTP driver version 0.8.5 [ 9.560683][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.563594][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.566480][ T1] SLIP linefill/keepalive option. [ 9.567967][ T1] hdlc: HDLC support module revision 1.22 [ 9.569638][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 9.572511][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 9.574763][ T1] LAPB Ethernet driver version 0.02 [ 9.576411][ T1] usbcore: registered new interface driver rndis_wlan [ 9.578622][ T1] mac80211_hwsim: initializing netlink [ 9.604736][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 9.621682][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 9.642456][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 9.648244][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 9.651099][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 9.653387][ T1] usbcore: registered new interface driver pegasus [ 9.655671][ T1] usbcore: registered new interface driver rtl8150 [ 9.658337][ T1] usbcore: registered new interface driver r8152 [ 9.660642][ T1] usbcore: registered new interface driver asix [ 9.662628][ T1] usbcore: registered new interface driver ax88179_178a [ 9.664446][ T1] usbcore: registered new interface driver cdc_ether [ 9.666799][ T1] usbcore: registered new interface driver dm9601 [ 9.668042][ T1] usbcore: registered new interface driver smsc75xx [ 9.670203][ T1] usbcore: registered new interface driver smsc95xx [ 9.671910][ T1] usbcore: registered new interface driver net1080 [ 9.674069][ T1] usbcore: registered new interface driver rndis_host [ 9.676255][ T1] usbcore: registered new interface driver cdc_subset [ 9.678632][ T1] usbcore: registered new interface driver zaurus [ 9.680764][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 9.684297][ T1] usbcore: registered new interface driver cdc_ncm [ 9.685814][ T1] usbcore: registered new interface driver cdc_mbim [ 9.693781][ T1] VFIO - User Level meta-driver version: 0.3 [ 9.706322][ T1] aoe: AoE v85 initialised. [ 9.710109][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 9.712742][ T1] ehci-pci: EHCI PCI platform driver [ 9.715197][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 9.718671][ T1] ohci-pci: OHCI PCI platform driver [ 9.720237][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 9.724329][ T1] usbcore: registered new interface driver cdc_acm [ 9.726720][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.729689][ T1] usbcore: registered new interface driver usblp [ 9.732584][ T1] usbcore: registered new interface driver cdc_wdm [ 9.735895][ T1] usbcore: registered new interface driver uas [ 9.738292][ T1] usbcore: registered new interface driver usb-storage [ 9.740378][ T1] usbcore: registered new interface driver ums-realtek [ 9.743101][ T1] usbcore: registered new interface driver usbserial_generic [ 9.745784][ T1] usbserial: USB Serial support registered for generic [ 9.748010][ T1] usbcore: registered new interface driver ch341 [ 9.749869][ T1] usbserial: USB Serial support registered for ch341-uart [ 9.751842][ T1] usbcore: registered new interface driver cp210x [ 9.753938][ T1] usbserial: USB Serial support registered for cp210x [ 9.755398][ T1] usbcore: registered new interface driver ftdi_sio [ 9.757829][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 9.760461][ T1] usbcore: registered new interface driver keyspan [ 9.762400][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 9.764931][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 9.768740][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 9.770700][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 9.773672][ T1] usbcore: registered new interface driver option [ 9.775469][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 9.778371][ T1] usbcore: registered new interface driver oti6858 [ 9.780308][ T1] usbserial: USB Serial support registered for oti6858 [ 9.782426][ T1] usbcore: registered new interface driver pl2303 [ 9.784773][ T1] usbserial: USB Serial support registered for pl2303 [ 9.786718][ T1] usbcore: registered new interface driver qcserial [ 9.788942][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 9.791654][ T1] usbcore: registered new interface driver sierra [ 9.793367][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 9.796479][ T1] usbcore: registered new interface driver usb_serial_simple [ 9.799184][ T1] usbserial: USB Serial support registered for carelink [ 9.801387][ T1] usbserial: USB Serial support registered for zio [ 9.803332][ T1] usbserial: USB Serial support registered for funsoft [ 9.805861][ T1] usbserial: USB Serial support registered for flashloader [ 9.807921][ T1] usbserial: USB Serial support registered for google [ 9.809882][ T1] usbserial: USB Serial support registered for libtransistor [ 9.812083][ T1] usbserial: USB Serial support registered for vivopay [ 9.813876][ T1] usbserial: USB Serial support registered for moto_modem [ 9.815917][ T1] usbserial: USB Serial support registered for motorola_tetra [ 9.817791][ T1] usbserial: USB Serial support registered for novatel_gps [ 9.820272][ T1] usbserial: USB Serial support registered for hp4x [ 9.822505][ T1] usbserial: USB Serial support registered for suunto [ 9.824636][ T1] usbserial: USB Serial support registered for siemens_mpi [ 9.828512][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.831520][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 9.835138][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 9.841025][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.843751][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.845957][ T1] usb usb1: Product: Dummy host controller [ 9.848093][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.851106][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 9.856674][ T1] hub 1-0:1.0: USB hub found [ 9.858606][ T1] hub 1-0:1.0: 1 port detected [ 9.865184][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.867861][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 9.870254][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 9.873564][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.877169][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.879283][ T1] usb usb2: Product: Dummy host controller [ 9.881533][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.883557][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 9.888570][ T1] hub 2-0:1.0: USB hub found [ 9.890191][ T1] hub 2-0:1.0: 1 port detected [ 9.894264][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.896077][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 9.899764][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 9.902912][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.905044][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.907535][ T1] usb usb3: Product: Dummy host controller [ 9.909287][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.911707][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 9.916474][ T1] hub 3-0:1.0: USB hub found [ 9.918227][ T1] hub 3-0:1.0: 1 port detected [ 9.922152][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.924315][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 9.927291][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 9.929990][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.932885][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.935025][ T1] usb usb4: Product: Dummy host controller [ 9.936606][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.938957][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 9.943699][ T1] hub 4-0:1.0: USB hub found [ 9.945447][ T1] hub 4-0:1.0: 1 port detected [ 9.950576][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.952857][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 9.954990][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 9.958326][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.961174][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.963760][ T1] usb usb5: Product: Dummy host controller [ 9.965452][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.968840][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 9.972981][ T1] hub 5-0:1.0: USB hub found [ 9.974600][ T1] hub 5-0:1.0: 1 port detected [ 9.979689][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 9.981925][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 9.984400][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 9.987929][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 9.992292][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 9.994346][ T1] usb usb6: Product: Dummy host controller [ 9.996612][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 9.998809][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.003418][ T1] hub 6-0:1.0: USB hub found [ 10.005033][ T1] hub 6-0:1.0: 1 port detected [ 10.009488][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.012054][ C1] random: fast init done [ 10.013482][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.016085][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.020082][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.023007][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.025428][ T1] usb usb7: Product: Dummy host controller [ 10.028074][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 10.029395][ T44] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.030739][ T56] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.035085][ T56] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.036866][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.038905][ T56] sd 0:0:1:0: [sda] Write Protect is off [ 10.040610][ T56] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.041617][ T1] hub 7-0:1.0: USB hub found [ 10.044396][ T1] hub 7-0:1.0: 1 port detected [ 10.048681][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.051231][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.054570][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.058255][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.060050][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.061805][ T1] usb usb8: Product: Dummy host controller [ 10.063451][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller dummy_hcd [ 10.066082][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.069505][ T1] hub 8-0:1.0: USB hub found [ 10.070727][ T1] hub 8-0:1.0: 1 port detected [ 10.075993][ T56] sda: sda1 [ 10.091651][ T1] using random self ethernet address [ 10.094312][ T1] using random host ethernet address [ 10.099100][ T56] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.099123][ T1] Mass Storage Function, version: 2009/09/11 [ 10.101607][ T1] LUN: removable file: (no medium) [ 10.102908][ T1] no file given for LUN0 [ 10.103718][ T1] printk: console [ttyGS0] disabled [ 10.107983][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.110999][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.113444][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.116955][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.118553][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.121283][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.123649][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.125060][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.126983][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.130245][ T1] hub 9-0:1.0: USB hub found [ 10.131553][ T1] hub 9-0:1.0: 8 ports detected [ 10.137348][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.139489][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.141545][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.144247][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.146590][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.149185][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.150917][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.153163][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.156523][ T1] hub 10-0:1.0: USB hub found [ 10.157883][ T1] hub 10-0:1.0: 8 ports detected [ 10.164744][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.167259][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.169982][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.172368][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.174670][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.176357][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.178464][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.181928][ T1] hub 11-0:1.0: USB hub found [ 10.183153][ T1] hub 11-0:1.0: 8 ports detected [ 10.189275][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.191902][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.194085][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.196501][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.198069][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.199528][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.202249][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.204632][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.209360][ T1] hub 12-0:1.0: USB hub found [ 10.211192][ T1] hub 12-0:1.0: 8 ports detected [ 10.218161][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.220543][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.223060][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.225265][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.227559][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.228874][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.231610][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.234950][ T1] hub 13-0:1.0: USB hub found [ 10.236582][ T1] hub 13-0:1.0: 8 ports detected [ 10.245415][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.248348][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.250399][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.253372][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.255413][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.258601][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.260652][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.262462][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.267632][ T1] hub 14-0:1.0: USB hub found [ 10.268814][ T1] hub 14-0:1.0: 8 ports detected [ 10.276274][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.278809][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.282005][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.285777][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.287957][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.289828][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.292509][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.296389][ T1] hub 15-0:1.0: USB hub found [ 10.297729][ T1] hub 15-0:1.0: 8 ports detected [ 10.303918][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.306406][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.308415][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.311299][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.312808][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.314655][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.316709][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.318949][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.321920][ T1] hub 16-0:1.0: USB hub found [ 10.323266][ T1] hub 16-0:1.0: 8 ports detected [ 10.331276][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.334019][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.338678][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.340032][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.342793][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.344224][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.347561][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.350500][ T1] hub 17-0:1.0: USB hub found [ 10.351726][ T1] hub 17-0:1.0: 8 ports detected [ 10.357230][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.359425][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.360990][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.363802][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.366482][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.368794][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.369888][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.371872][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.374627][ T1] hub 18-0:1.0: USB hub found [ 10.377475][ T1] hub 18-0:1.0: 8 ports detected [ 10.385183][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.388159][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.390604][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.392290][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.394746][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 10.396455][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.398910][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 10.402204][ T1] hub 19-0:1.0: USB hub found [ 10.403811][ T1] hub 19-0:1.0: 8 ports detected [ 10.409510][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.411800][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 10.414430][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.418010][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.419610][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.421418][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 10.422752][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.425300][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 10.428632][ T1] hub 20-0:1.0: USB hub found [ 10.429930][ T1] hub 20-0:1.0: 8 ports detected [ 10.438117][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.440443][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 10.442827][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.444818][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.446509][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 10.448165][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.450543][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 10.453896][ T1] hub 21-0:1.0: USB hub found [ 10.455246][ T1] hub 21-0:1.0: 8 ports detected [ 10.460868][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 10.463489][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 10.467327][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.469183][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.471461][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.473282][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 10.474440][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.476299][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 10.478924][ T1] hub 22-0:1.0: USB hub found [ 10.480042][ T1] hub 22-0:1.0: 8 ports detected [ 10.487613][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.491415][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 10.494269][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.496311][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.498157][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 10.500039][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.501853][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 10.505064][ T1] hub 23-0:1.0: USB hub found [ 10.506297][ T1] hub 23-0:1.0: 8 ports detected [ 10.512469][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 10.515159][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 10.518233][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.520258][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.522738][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.524958][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 10.526849][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.528469][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 10.531492][ T1] hub 24-0:1.0: USB hub found [ 10.533051][ T1] hub 24-0:1.0: 8 ports detected [ 10.539907][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.542977][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 10.547506][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.549754][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.551812][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 10.553624][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.555982][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 10.559299][ T1] hub 25-0:1.0: USB hub found [ 10.560859][ T1] hub 25-0:1.0: 8 ports detected [ 10.567283][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 10.569489][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 10.572405][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.574444][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.577648][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.580037][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 10.581464][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.583535][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 10.586391][ T1] hub 26-0:1.0: USB hub found [ 10.587626][ T1] hub 26-0:1.0: 8 ports detected [ 10.594065][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.597393][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 10.600083][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.602783][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.604718][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 10.606474][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.608767][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 10.611998][ T1] hub 27-0:1.0: USB hub found [ 10.614000][ T1] hub 27-0:1.0: 8 ports detected [ 10.621314][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 10.623651][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 10.626616][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.629701][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.631445][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.633514][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 10.635612][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.637340][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 10.640638][ T1] hub 28-0:1.0: USB hub found [ 10.641760][ T1] hub 28-0:1.0: 8 ports detected [ 10.648196][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.650285][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 10.652806][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.654603][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.657961][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 10.659429][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.661772][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 10.665053][ T1] hub 29-0:1.0: USB hub found [ 10.667107][ T1] hub 29-0:1.0: 8 ports detected [ 10.672630][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 10.674881][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 10.677384][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.679283][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.682122][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.683851][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 10.685290][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.687958][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 10.691022][ T1] hub 30-0:1.0: USB hub found [ 10.692717][ T1] hub 30-0:1.0: 8 ports detected [ 10.700186][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.702761][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 10.705266][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.708342][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.710372][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 10.712451][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.714740][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 10.717949][ T1] hub 31-0:1.0: USB hub found [ 10.719433][ T1] hub 31-0:1.0: 8 ports detected [ 10.729431][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 10.737550][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 10.746173][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.756246][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.765435][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.774843][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 10.782140][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.790844][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 10.798205][ T1] hub 32-0:1.0: USB hub found [ 10.803058][ T1] hub 32-0:1.0: 8 ports detected [ 10.814644][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.822163][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 10.831176][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.844971][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.853171][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 10.860223][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.869101][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 10.876639][ T1] hub 33-0:1.0: USB hub found [ 10.881483][ T1] hub 33-0:1.0: 8 ports detected [ 10.891819][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 10.899450][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 10.908124][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.918945][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.929046][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.937233][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 10.943908][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 10.952597][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 10.960040][ T1] hub 34-0:1.0: USB hub found [ 10.964912][ T1] hub 34-0:1.0: 8 ports detected [ 10.975833][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 10.983329][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 10.992448][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.002490][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.010850][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 11.017553][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.026245][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 11.033664][ T1] hub 35-0:1.0: USB hub found [ 11.039749][ T1] hub 35-0:1.0: 8 ports detected [ 11.049461][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.056974][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 11.065638][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.075275][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.086061][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.094219][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 11.101356][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.110042][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 11.117468][ T1] hub 36-0:1.0: USB hub found [ 11.122332][ T1] hub 36-0:1.0: 8 ports detected [ 11.133137][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.140628][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 11.149626][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.159457][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.168517][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 11.175179][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.183857][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 11.191401][ T1] hub 37-0:1.0: USB hub found [ 11.196335][ T1] hub 37-0:1.0: 8 ports detected [ 11.206024][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.213474][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 11.222588][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.232237][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.242704][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.250879][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 11.257567][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.266388][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 11.273884][ T1] hub 38-0:1.0: USB hub found [ 11.278777][ T1] hub 38-0:1.0: 8 ports detected [ 11.290328][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.297819][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 11.307395][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.316618][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.324752][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 11.331430][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.340119][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 11.347544][ T1] hub 39-0:1.0: USB hub found [ 11.352494][ T1] hub 39-0:1.0: 8 ports detected [ 11.362274][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.369765][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 11.378468][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.388068][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.399176][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.407350][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 11.414006][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc3-next-20200501-syzkaller vhci_hcd [ 11.422704][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 11.430071][ T1] hub 40-0:1.0: USB hub found [ 11.434928][ T1] hub 40-0:1.0: 8 ports detected [ 11.445330][ T1] usbcore: registered new device driver usbip-host [ 11.454936][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 11.464699][ T1] i8042: Warning: Keylock active [ 11.472237][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 11.479156][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 11.544302][ T1] mousedev: PS/2 mouse device common for all mice [ 11.562531][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 11.571922][ T1] rtc_cmos 00:00: registered as rtc0 [ 11.577284][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 11.584635][ T1] i2c /dev entries driver [ 11.590929][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 11.602357][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 11.611873][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 11.619526][ T1] IR NEC protocol handler initialized [ 11.624891][ T1] IR RC5(x/sz) protocol handler initialized [ 11.630803][ T1] IR RC6 protocol handler initialized [ 11.636223][ T1] IR JVC protocol handler initialized [ 11.641566][ T1] IR Sony protocol handler initialized [ 11.647035][ T1] IR SANYO protocol handler initialized [ 11.652563][ T1] IR Sharp protocol handler initialized [ 11.658106][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 11.664761][ T1] IR XMP protocol handler initialized [ 11.672182][ T1] usbcore: registered new interface driver uvcvideo [ 11.678788][ T1] USB Video Class driver (1.1.1) [ 11.683709][ T1] gspca_main: v2.14.0 registered [ 11.705234][ T1] vivid-000: using single planar format API [ 11.726321][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 11.734198][ T1] vivid-000: V4L2 capture device registered as video3 [ 11.741599][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 11.749421][ T1] vivid-000: V4L2 output device registered as video4 [ 11.757820][ T2769] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.767754][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 11.778753][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 11.788494][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 11.796085][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 11.803417][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 11.811259][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 11.819464][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 11.827506][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 11.835798][ T1] vivid-001: using multiplanar format API [ 11.854499][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 11.862573][ T1] vivid-001: V4L2 capture device registered as video7 [ 11.870137][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 11.878085][ T1] vivid-001: V4L2 output device registered as video8 [ 11.885343][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 11.895656][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 11.905293][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 11.912864][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 11.920272][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 11.927985][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 11.936484][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 11.944565][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.952918][ T1] vivid-002: using single planar format API [ 11.971536][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.979254][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.987974][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.995808][ T1] vivid-002: V4L2 output device registered as video12 [ 12.003183][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 12.012900][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 12.022629][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 12.030172][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 12.037550][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 12.045172][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 12.053439][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 12.061981][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 12.070998][ T1] vivid-003: using multiplanar format API [ 12.089827][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 12.097820][ T1] vivid-003: V4L2 capture device registered as video15 [ 12.105649][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 12.113488][ T1] vivid-003: V4L2 output device registered as video16 [ 12.120904][ T333] floppy0: no floppy controllers found [ 12.130604][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 12.140844][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 12.150694][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 12.158594][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 12.166134][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 12.173757][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 12.182045][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 12.190222][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 12.198549][ T2769] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 12.206382][ T1] vivid-004: using single planar format API [ 12.228517][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 12.236480][ T1] vivid-004: V4L2 capture device registered as video19 [ 12.244060][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 12.252086][ T1] vivid-004: V4L2 output device registered as video20 [ 12.259932][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 12.269717][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 12.279431][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 12.286976][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 12.294323][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 12.302098][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 12.310394][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 12.318496][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 12.326758][ T1] vivid-005: using multiplanar format API [ 12.346319][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 12.354522][ T1] vivid-005: V4L2 capture device registered as video23 [ 12.362230][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 12.370197][ T1] vivid-005: V4L2 output device registered as video24 [ 12.377672][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 12.387488][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 12.397366][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 12.404840][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 12.412499][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 12.420400][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 12.428749][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 12.436920][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 12.445121][ T1] vivid-006: using single planar format API [ 12.464222][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 12.472166][ T1] vivid-006: V4L2 capture device registered as video27 [ 12.479872][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 12.487849][ T1] vivid-006: V4L2 output device registered as video28 [ 12.495265][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 12.505091][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 12.515647][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 12.523067][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 12.530660][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 12.538402][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 12.546670][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 12.554745][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 12.562998][ T1] vivid-007: using multiplanar format API [ 12.581706][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 12.589545][ T1] vivid-007: V4L2 capture device registered as video31 [ 12.597351][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 12.605695][ T1] vivid-007: V4L2 output device registered as video32 [ 12.613095][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 12.623019][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 12.632758][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 12.640269][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 12.647819][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 12.655788][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 12.664235][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 12.672393][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 12.680687][ T1] vivid-008: using single planar format API [ 12.699743][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 12.707700][ T1] vivid-008: V4L2 capture device registered as video35 [ 12.715250][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 12.723349][ T1] vivid-008: V4L2 output device registered as video36 [ 12.730722][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 12.740743][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 12.750602][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 12.758186][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 12.765859][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 12.773607][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 12.781829][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 12.789977][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 12.798219][ T1] vivid-009: using multiplanar format API [ 12.817560][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 12.825853][ T1] vivid-009: V4L2 capture device registered as video39 [ 12.833564][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 12.841732][ T1] vivid-009: V4L2 output device registered as video40 [ 12.849418][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 12.859285][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 12.869044][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 12.876597][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 12.884068][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 12.891940][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 12.900243][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 12.908513][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 12.916813][ T1] vivid-010: using single planar format API [ 12.935980][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 12.944124][ T1] vivid-010: V4L2 capture device registered as video43 [ 12.951877][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 12.959840][ T1] vivid-010: V4L2 output device registered as video44 [ 12.967353][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 12.977255][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 12.987046][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 12.994660][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 13.002199][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 13.010023][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 13.018296][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 13.026660][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 13.035179][ T1] vivid-011: using multiplanar format API [ 13.055051][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 13.063285][ T1] vivid-011: V4L2 capture device registered as video47 [ 13.070851][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 13.078840][ T1] vivid-011: V4L2 output device registered as video48 [ 13.086319][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 13.096168][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 13.106080][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 13.113631][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 13.121180][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 13.128991][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 13.137215][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 13.145334][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 13.153722][ T1] vivid-012: using single planar format API [ 13.174935][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 13.183628][ T1] vivid-012: V4L2 capture device registered as video51 [ 13.191494][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 13.199641][ T1] vivid-012: V4L2 output device registered as video52 [ 13.207240][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 13.217105][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 13.226866][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 13.234436][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 13.242018][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 13.249840][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 13.258087][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 13.266328][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 13.274643][ T1] vivid-013: using multiplanar format API [ 13.293504][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 13.301763][ T1] vivid-013: V4L2 capture device registered as video55 [ 13.309283][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 13.317295][ T1] vivid-013: V4L2 output device registered as video56 [ 13.324661][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 13.334619][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 13.345281][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 13.352894][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 13.360475][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 13.368472][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 13.376737][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 13.385028][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 13.393470][ T1] vivid-014: using single planar format API [ 13.412847][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 13.421014][ T1] vivid-014: V4L2 capture device registered as video59 [ 13.429088][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 13.437024][ T1] vivid-014: V4L2 output device registered as video60 [ 13.444393][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 13.454417][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 13.464201][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 13.471844][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 13.479406][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 13.488049][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 13.496415][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 13.504512][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 13.512997][ T1] vivid-015: using multiplanar format API [ 13.531942][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 13.539927][ T1] vivid-015: V4L2 capture device registered as video63 [ 13.547709][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 13.555836][ T1] vivid-015: V4L2 output device registered as video64 [ 13.563325][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 13.573216][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 13.583106][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 13.590746][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 13.598330][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 13.606141][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 13.614430][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 13.622960][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 13.633148][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 13.641927][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 13.651028][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 13.660282][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 13.670222][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 13.676840][ T1] iTCO_vendor_support: vendor-support=0 [ 13.684290][ T1] device-mapper: uevent: version 1.0.3 [ 13.690731][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 13.702030][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 13.709847][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 13.717681][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 13.725472][ T1] device-mapper: raid: Loading target version 1.15.1 [ 13.733303][ T1] Bluetooth: HCI UART driver ver 2.3 [ 13.738816][ T1] Bluetooth: HCI UART protocol H4 registered [ 13.744776][ T1] Bluetooth: HCI UART protocol BCSP registered [ 13.751155][ T1] Bluetooth: HCI UART protocol LL registered [ 13.757339][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 13.764673][ T1] Bluetooth: HCI UART protocol QCA registered [ 13.770767][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 13.777291][ T1] Bluetooth: HCI UART protocol Marvell registered [ 13.784029][ T1] usbcore: registered new interface driver bfusb [ 13.790748][ T1] usbcore: registered new interface driver btusb [ 13.798160][ T1] CAPI 2.0 started up with major 68 (middleware) [ 13.804508][ T1] Modular ISDN core version 1.1.29 [ 13.810460][ T1] NET: Registered protocol family 34 [ 13.815930][ T1] DSP module 2.0 [ 13.819453][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 13.838130][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 13.844456][ T1] 0 virtual devices registered [ 13.849246][ T1] intel_pstate: CPU model not supported [ 13.858445][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 13.867298][ T1] usnic_verbs:usnic_uiom_init:563: [ 13.867302][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 13.882987][ T1] usnic_verbs:usnic_ib_init:667: [ 13.882991][ T1] Unable to initialize umem with err -1 [ 13.895950][ T1] iscsi: registered transport (iser) [ 13.902078][ T1] SoftiWARP attached [ 13.906191][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.918146][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.929562][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 13.949324][ T1] hid: raw HID events driver (C) Jiri Kosina [ 13.965906][ T3506] kworker/u4:1 (3506) used greatest stack depth: 26592 bytes left [ 13.984871][ T1] usbcore: registered new interface driver usbhid [ 14.004624][ T1] usbhid: USB HID core driver [ 14.012089][ T1] ashmem: initialized [ 14.099012][ T1] usbcore: registered new interface driver snd-usb-audio [ 14.106621][ T1] drop_monitor: Initializing network drop monitor service [ 14.114288][ T1] NET: Registered protocol family 26 [ 14.119765][ T1] GACT probability on [ 14.123764][ T1] Mirror/redirect action on [ 14.128656][ T1] Simple TC action Loaded [ 14.135439][ T1] netem: version 1.3 [ 14.139690][ T1] u32 classifier [ 14.143214][ T1] Performance counters on [ 14.147963][ T1] input device check on [ 14.152450][ T1] Actions configured [ 14.159620][ T1] nf_conntrack_irc: failed to register helpers [ 14.165884][ T1] nf_conntrack_sane: failed to register helpers [ 14.211361][ T1] nf_conntrack_sip: failed to register helpers [ 14.221682][ T1] xt_time: kernel timezone is -0000 [ 14.227084][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 14.234199][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 14.243725][ T1] IPVS: ipvs loaded. [ 14.247769][ T1] IPVS: [rr] scheduler registered. [ 14.252865][ T1] IPVS: [wrr] scheduler registered. [ 14.258208][ T1] IPVS: [lc] scheduler registered. [ 14.263299][ T1] IPVS: [wlc] scheduler registered. [ 14.268505][ T1] IPVS: [fo] scheduler registered. [ 14.273606][ T1] IPVS: [ovf] scheduler registered. [ 14.278838][ T1] IPVS: [lblc] scheduler registered. [ 14.284125][ T1] IPVS: [lblcr] scheduler registered. [ 14.289495][ T1] IPVS: [dh] scheduler registered. [ 14.294596][ T1] IPVS: [sh] scheduler registered. [ 14.299818][ T1] IPVS: [mh] scheduler registered. [ 14.304909][ T1] IPVS: [sed] scheduler registered. [ 14.310104][ T1] IPVS: [nq] scheduler registered. [ 14.315331][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 14.321268][ T1] IPVS: [sip] pe registered. [ 14.326005][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 14.334700][ T1] gre: GRE over IPv4 demultiplexor driver [ 14.340504][ T1] ip_gre: GRE over IPv4 tunneling driver [ 14.353384][ T1] IPv4 over IPsec tunneling driver [ 14.362372][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 14.370130][ T1] Initializing XFRM netlink socket [ 14.375320][ T1] IPsec XFRM device driver [ 14.380632][ T1] NET: Registered protocol family 10 [ 14.386341][ T1] [ 14.388668][ T1] ============================= [ 14.393550][ T1] WARNING: suspicious RCU usage [ 14.398542][ T1] 5.7.0-rc3-next-20200501-syzkaller #0 Not tainted [ 14.405045][ T1] ----------------------------- [ 14.410108][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 14.417994][ T1] [ 14.417994][ T1] other info that might help us debug this: [ 14.417994][ T1] [ 14.428552][ T1] [ 14.428552][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 14.436667][ T1] 1 lock held by swapper/0/1: [ 14.441326][ T1] #0: ffffffff8a7a7470 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 14.451557][ T1] [ 14.451557][ T1] stack backtrace: [ 14.457478][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 14.466568][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.467430][ T1] Call Trace: [ 14.467430][ T1] dump_stack+0x18f/0x20d [ 14.467430][ T1] ip6mr_get_table+0x153/0x180 [ 14.467430][ T1] ip6mr_new_table+0x1b/0x70 [ 14.467430][ T1] ip6mr_net_init+0x133/0x3f0 [ 14.467430][ T1] ? ip6mr_net_exit+0x100/0x100 [ 14.467430][ T1] ops_init+0xaf/0x420 [ 14.467430][ T1] register_pernet_operations+0x346/0x840 [ 14.467430][ T1] ? setup_net+0x860/0x860 [ 14.467430][ T1] ? down_write_killable+0x170/0x170 [ 14.467430][ T1] ? cpus_read_unlock+0xa4/0x140 [ 14.467430][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 14.467430][ T1] ? unix_diag_init+0x11/0x11 [ 14.467430][ T1] register_pernet_subsys+0x25/0x40 [ 14.467430][ T1] ip6_mr_init+0x49/0x152 [ 14.467430][ T1] inet6_init+0x1d7/0x6dc [ 14.467430][ T1] do_one_initcall+0x10a/0x7d0 [ 14.467430][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 14.467430][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 14.467430][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 14.467430][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 14.467430][ T1] kernel_init_freeable+0x501/0x5ae [ 14.467430][ T1] ? rest_init+0x365/0x365 [ 14.467430][ T1] kernel_init+0xd/0x1bb [ 14.467430][ T1] ret_from_fork+0x24/0x30 [ 14.608316][ T1] Segment Routing with IPv6 [ 14.613226][ T1] mip6: Mobile IPv6 [ 14.620936][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 14.632459][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 14.640707][ T1] NET: Registered protocol family 17 [ 14.646104][ T1] NET: Registered protocol family 15 [ 14.651778][ T1] Bridge firewalling registered [ 14.658171][ T1] NET: Registered protocol family 9 [ 14.663446][ T1] X25: Linux Version 0.2 [ 14.699019][ T1] NET: Registered protocol family 6 [ 14.738800][ T1] NET: Registered protocol family 11 [ 14.744380][ T1] NET: Registered protocol family 3 [ 14.755002][ T1] can: controller area network core (rev 20170425 abi 9) [ 14.762845][ T1] NET: Registered protocol family 29 [ 14.768309][ T1] can: raw protocol (rev 20170425) [ 14.773511][ T1] can: broadcast manager protocol (rev 20170425 t) [ 14.780200][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 14.787057][ T1] can: SAE J1939 [ 14.795760][ T1] Bluetooth: RFCOMM TTY layer initialized [ 14.801527][ T1] Bluetooth: RFCOMM socket layer initialized [ 14.808294][ T1] Bluetooth: RFCOMM ver 1.11 [ 14.812945][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 14.820764][ T1] Bluetooth: BNEP filters: protocol multicast [ 14.826990][ T1] Bluetooth: BNEP socket layer initialized [ 14.832806][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 14.838683][ T1] Bluetooth: CMTP socket layer initialized [ 14.844475][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 14.851697][ T1] Bluetooth: HIDP socket layer initialized [ 14.858357][ T1] RPC: Registered rdma transport module. [ 14.864003][ T1] RPC: Registered rdma backchannel transport module. [ 14.877722][ T1] NET: Registered protocol family 33 [ 14.883018][ T1] Key type rxrpc registered [ 14.887772][ T1] Key type rxrpc_s registered [ 14.894002][ T1] NET: Registered protocol family 41 [ 14.900080][ T1] lec:lane_module_init: lec.c: initialized [ 14.906041][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 14.911961][ T1] l2tp_core: L2TP core driver, V2.0 [ 14.917347][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 14.922986][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 14.931296][ T1] l2tp_netlink: L2TP netlink interface [ 14.937135][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 14.943907][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 14.952082][ T1] NET: Registered protocol family 35 [ 14.958087][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 14.981340][ T1] DCCP: Activated CCID 2 (TCP-like) [ 14.987344][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 14.996332][ T1] sctp: Hash tables configured (bind 32/56) [ 15.004992][ T1] NET: Registered protocol family 21 [ 15.011578][ T1] Registered RDS/infiniband transport [ 15.018003][ T1] Registered RDS/tcp transport [ 15.022751][ T1] tipc: Activated (version 2.0.0) [ 15.028201][ T1] NET: Registered protocol family 30 [ 15.034483][ T1] tipc: Started in single node mode [ 15.040204][ T1] NET: Registered protocol family 43 [ 15.045890][ T1] 9pnet: Installing 9P2000 support [ 15.051533][ T1] NET: Registered protocol family 37 [ 15.060495][ T1] NET: Registered protocol family 36 [ 15.067080][ T1] Key type dns_resolver registered [ 15.072225][ T1] Key type ceph registered [ 15.077464][ T1] libceph: loaded (mon/osd proto 15/24) [ 15.084995][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 15.094227][ T1] openvswitch: Open vSwitch switching datapath [ 15.103066][ T1] NET: Registered protocol family 40 [ 15.108784][ T1] mpls_gso: MPLS GSO support [ 15.120113][ T1] IPI shorthand broadcast: enabled [ 15.125302][ T1] AVX2 version of gcm_enc/dec engaged. [ 15.130859][ T1] AES CTR mode by8 optimization enabled [ 15.141639][ T1] sched_clock: Marking stable (15103988307, 37608522)->(15148296196, -6699367) [ 15.152412][ T1] registered taskstats version 1 [ 15.157445][ T1] Loading compiled-in X.509 certificates [ 15.167948][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 15.180138][ T1] zswap: loaded using pool lzo/zbud [ 15.186395][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 15.196037][ T1] Key type ._fscrypt registered [ 15.201002][ T1] Key type .fscrypt registered [ 15.205788][ T1] Key type fscrypt-provisioning registered [ 15.214735][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 15.221871][ T1] FS-Cache: Netfs 'afs' registered for caching [ 15.237578][ T1] Btrfs loaded, crc32c=crc32c-intel [ 15.247530][ T1] Key type big_key registered [ 15.254396][ T1] Key type encrypted registered [ 15.259536][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 15.266206][ T1] ima: No TPM chip found, activating TPM-bypass! [ 15.272674][ T1] ima: Allocated hash algorithm: sha256 [ 15.278422][ T1] ima: No architecture policies found [ 15.283996][ T1] evm: Initialising EVM extended attributes: [ 15.289996][ T1] evm: security.selinux [ 15.294144][ T1] evm: security.SMACK64 [ 15.298304][ T1] evm: security.SMACK64EXEC [ 15.302779][ T1] evm: security.SMACK64TRANSMUTE [ 15.307727][ T1] evm: security.SMACK64MMAP [ 15.312203][ T1] evm: security.apparmor [ 15.316910][ T1] evm: security.ima [ 15.321137][ T1] evm: security.capability [ 15.325575][ T1] evm: HMAC attrs: 0x1 [ 15.331221][ T1] PM: Magic number: 4:29:276 [ 15.336604][ T1] usb usb16: hash matches [ 15.341147][ T1] tty ttyy4: hash matches [ 15.345725][ T1] tty tty13: hash matches [ 15.352008][ T1] printk: console [netcon0] enabled [ 15.357467][ T1] netconsole: network logging started [ 15.366907][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 15.375725][ T1] rdma_rxe: loaded [ 15.379851][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 15.390931][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 15.399631][ T2619] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 15.409331][ T1] ALSA device list: [ 15.413173][ T1] #0: Dummy 1 [ 15.416762][ T2619] cfg80211: failed to load regulatory.db [ 15.422922][ T1] #1: Loopback 1 [ 15.426699][ T1] #2: Virtual MIDI Card 1 [ 15.434003][ T1] md: Waiting for all devices to be available before autodetect [ 15.441812][ T1] md: If you don't use raid, use raid=noautodetect [ 15.452888][ T1] md: Autodetecting RAID arrays. [ 15.458000][ T1] md: autorun ... [ 15.461630][ T1] md: ... autorun DONE. [ 15.521911][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 15.530216][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 15.546715][ T1] devtmpfs: mounted [ 15.556947][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 15.563727][ T1] Kernel memory protection disabled. [ 15.606240][ T1] Run /sbin/init as init process [ 16.128925][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.144329][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.152041][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 16.216479][ T1] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 16.238378][ T1] systemd[1]: Detected virtualization kvm. [ 16.244274][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 16.287629][ T1] systemd[1]: Set hostname to . [ 16.564435][ T3885] systemd-fstab-generator[3885]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.671566][ T3888] systemd-system- (3888) used greatest stack depth: 26376 bytes left [ 16.675375][ T3885] systemd-fstab-generator[3885]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.685025][ T3890] systemd-cryptse (3890) used greatest stack depth: 25136 bytes left [ 16.733506][ T3885] systemd-fstab-generator[3885]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.766716][ T3884] systemd[3884]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 16.777871][ T3885] systemd-fstab-g (3885) used greatest stack depth: 23880 bytes left [ 17.085917][ T1] systemd[1]: Listening on Syslog Socket. [ OK ] Listening on Syslog Socket. [ 17.127495][ T1] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password Requests to Wall Directory Watch. [ 17.171900][ T1] [ 17.174296][ T1] ============================= [ 17.179197][ T1] WARNING: suspicious RCU usage [ 17.184054][ T1] 5.7.0-rc3-next-20200501-syzkaller #0 Not tainted [ 17.190579][ T1] ----------------------------- [ 17.195440][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 17.204751][ T1] [ 17.204751][ T1] other info that might help us debug this: [ 17.204751][ T1] [ 17.215012][ T1] [ 17.215012][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 17.223092][ T1] 2 locks held by systemd/1: [ 17.227708][ T1] #0: ffff888099096450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 17.236873][ T1] #1: ffff8880978c2210 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 17.246884][ T1] [ 17.246884][ T1] stack backtrace: [ 17.252955][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 17.261994][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.272028][ T1] Call Trace: [ 17.275311][ T1] dump_stack+0x18f/0x20d [ 17.279625][ T1] evm_protected_xattr+0x1c2/0x210 [ 17.284718][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 17.290171][ T1] evm_inode_setxattr+0xc4/0xf0 [ 17.295015][ T1] security_inode_setxattr+0x18f/0x200 [ 17.300456][ T1] vfs_setxattr+0xa7/0xf0 [ 17.304778][ T1] setxattr+0x23d/0x330 [ 17.308927][ T1] ? vfs_setxattr+0xf0/0xf0 [ 17.313408][ T1] ? lock_acquire+0x1f4/0x940 [ 17.318060][ T1] ? mnt_want_write+0x3a/0xb0 [ 17.322719][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 17.328079][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 17.333357][ T1] ? preempt_count_add+0x74/0x140 [ 17.338385][ T1] ? preempt_count_add+0x74/0x140 [ 17.343552][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 17.348606][ T1] path_setxattr+0x170/0x190 [ 17.353208][ T1] ? setxattr+0x330/0x330 [ 17.357531][ T1] ? task_work_run+0x160/0x1b0 [ 17.362304][ T1] __x64_sys_setxattr+0xc0/0x160 [ 17.367234][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 17.372675][ T1] do_syscall_64+0xf6/0x7d0 [ 17.377180][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 17.383049][ T1] RIP: 0033:0x7ff332a2967a [ 17.387462][ 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 [ 17.407054][ T1] RSP: 002b:00007ffd6968a0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 17.415446][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff332a2967a [ 17.423396][ T1] RDX: 00007ffd6968a120 RSI: 0000561a9a5fef9b RDI: 0000561a9bd5e040 [ 17.431346][ T1] RBP: 0000561a9a5fef9b R08: 0000000000000000 R09: 0000000000000030 [ 17.439336][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffd6968a120 [ 17.447301][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 0000561a9bd1a190 [ 17.456030][ T1] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 17.513445][ T1] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 17.568326][ T1] systemd[1]: Mounting /sys/kernel/config... Mounting /sys/kernel/config... Mounting POSIX Message Queue File System... [ OK ] Listening on udev Control Socket. [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Reached target Remote File Systems. [ OK ] Created slice system-serial\x2dgetty.slice. Mounting /sys/kernel/debug... [ OK ] Reached target Slices. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Encrypted Volumes. [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. [ OK ] Listening on Journal Audit Socket. [ OK ] Reached target Swap. [ OK ] Listening on Journal Socket. Starting Remount Root and Kernel File Systems... [ OK ] Created slice system-getty.slice. [ 18.223682][ T3905] EXT4-fs (sda1): re-mounted. Opts: (null) Mounting /proc/sys/fs/binfmt_misc... [ OK ] Reached target Paths. [ OK ] Listening on Journal Socket (/dev/log). Starting Journal Service... Starting Create Static Device Nodes in /dev... Starting Load Kernel Modules... [ OK ] Listening on udev Kernel Socket. [ OK ] Reached target Sockets. [ 18.655649][ T3913] systemd-tmpfile (3913) used greatest stack depth: 23048 bytes left [ OK ] Mounted Huge Pages File System. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Load Kernel Modules. Starting Apply Kernel Variables... Mounting FUSE Control File System... Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). Starting Load/Save Random Seed... Starting udev Coldplug all Devices... [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Apply Kernel Variables. [ OK ] Started Load/Save Random Seed. [ OK ] Started Mark the need to relabel after reboot. [ OK ] Started udev Kernel Device Manager. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 20.506291][ T3912] systemd-journald[3912]: Received request to flush runtime journal from PID 1 [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. [ 20.957317][ T1] [ 20.959813][ T1] ============================= [ 20.964685][ T1] WARNING: suspicious RCU usage [ 20.971725][ T1] 5.7.0-rc3-next-20200501-syzkaller #0 Not tainted [ 20.979814][ T1] ----------------------------- [ 20.984699][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 20.994474][ T1] [ 20.994474][ T1] other info that might help us debug this: [ 20.994474][ T1] [ 21.005862][ T1] [ 21.005862][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 21.013934][ T1] 4 locks held by systemd/1: [ 21.019475][ T1] #0: ffff8880984e8450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 21.028898][ T1] #1: ffff8880a8a33c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 21.038787][ T1] #2: ffff8880a88ec4d0 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 21.049238][ T1] #3: ffffffff8a05e568 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 21.060086][ T1] [ 21.060086][ T1] stack backtrace: [ 21.067480][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 21.076417][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.086472][ T1] Call Trace: [ 21.089767][ T1] dump_stack+0x18f/0x20d [ 21.094132][ T1] match_exception_partial+0x2ee/0x340 [ 21.099624][ T1] verify_new_ex+0x176/0x3a0 [ 21.104233][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 21.109701][ T1] ? lock_acquire+0x1f4/0x940 [ 21.114387][ T1] ? kernfs_fop_write+0x1db/0x490 [ 21.119413][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.124630][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 21.129396][ T1] ? lock_downgrade+0x840/0x840 [ 21.134259][ T1] cgroup_file_write+0x20d/0x710 [ 21.139198][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 21.144396][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.149685][ T1] ? __might_fault+0x190/0x1d0 [ 21.154457][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 21.159745][ T1] kernfs_fop_write+0x268/0x490 [ 21.164606][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 21.169548][ T1] __vfs_write+0x76/0x100 [ 21.173882][ T1] vfs_write+0x268/0x5d0 [ 21.178138][ T1] ksys_write+0x12d/0x250 [ 21.182472][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 21.187254][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 21.192988][ T1] do_syscall_64+0xf6/0x7d0 [ 21.197502][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 21.203404][ T1] RIP: 0033:0x7ff332a1d970 [ 21.207977][ 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 [ 21.227765][ T1] RSP: 002b:00007ffd69689c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 21.236184][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff332a1d970 [ 21.244164][ T1] RDX: 000000000000000a RSI: 0000561a9bd295f0 RDI: 0000000000000027 [ 21.252140][ T1] RBP: 0000561a9bd295f0 R08: 0000561a9bd20cb0 R09: 00007ff334453500 [ 21.260113][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 21.268103][ T1] R13: 0000000000000001 R14: 0000561a9bd20bd0 R15: 000000000000000a [ 21.385704][ T3961] [ 21.388184][ T3961] ============================= Starting Network[ 21.394171][ T3961] WARNING: suspicious RCU usage Time Synchronization... [ 21.412623][ T3961] 5.7.0-rc3-next-20200501-syzkaller #0 Not tainted [ 21.425720][ T3961] ----------------------------- [ 21.430581][ T3961] drivers/net/hamradio/bpqether.c:130 RCU-list traversed in non-reader section!! [ 21.455616][ T3961] [ 21.455616][ T3961] other info that might help us debug this: [ 21.455616][ T3961] Starting Update UTMP about System Boot/Shutdown... [ 21.480679][ T3961] [ 21.480679][ T3961] rcu_scheduler_active = 2, debug_locks = 1 [ 21.505621][ T3961] 1 lock held by ip/3961: [ 21.510086][ T3961] #0: ffffffff8a7b33c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 21.535895][ T3961] [ 21.535895][ T3961] stack backtrace: [ 21.541820][ T3961] CPU: 1 PID: 3961 Comm: ip Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 21.550573][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.560768][ T3961] Call Trace: [ 21.564065][ T3961] dump_stack+0x18f/0x20d [ 21.568404][ T3961] bpq_device_event+0x609/0x75a [ 21.573265][ T3961] notifier_call_chain+0xc0/0x230 [ 21.578317][ T3961] call_netdevice_notifiers_info+0xb5/0x130 [ 21.584221][ T3961] __dev_notify_flags+0x121/0x2c0 [ 21.589251][ T3961] ? dev_change_name+0x700/0x700 [ 21.594284][ T3961] ? dev_set_allmulti+0x30/0x30 [ 21.599137][ T3961] ? print_usage_bug+0x240/0x240 [ 21.604084][ T3961] dev_change_flags+0x100/0x160 [ 21.608941][ T3961] do_setlink+0xa1c/0x35d0 [ 21.613365][ T3961] ? mark_lock+0x129/0x1390 [ 21.617965][ T3961] ? rtnl_getlink+0xab0/0xab0 [ 21.622644][ T3961] ? print_usage_bug+0x240/0x240 [ 21.627580][ T3961] ? mark_lock+0x129/0x1390 [ 21.632084][ T3961] ? mark_lock+0x129/0x1390 [ 21.636626][ T3961] ? memset+0x20/0x40 [ 21.640614][ T3961] ? __nla_validate_parse+0x2dc/0x1c70 [ 21.646083][ T3961] ? nla_get_range_signed+0x520/0x520 [ 21.651459][ T3961] ? mark_held_locks+0xe0/0xe0 [ 21.656507][ T3961] ? deref_stack_reg+0xaa/0xe0 [ 21.656537][ T3961] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 21.667950][ T3961] __rtnl_newlink+0xad0/0x1590 [ 21.672751][ T3961] ? rtnl_link_unregister+0x240/0x240 [ 21.678152][ T3961] ? is_bpf_text_address+0xcb/0x160 [ 21.683362][ T3961] ? kernel_text_address+0x6e/0xe0 [ 21.688465][ T3961] ? __kernel_text_address+0x9/0x30 [ 21.693685][ T3961] ? unwind_get_return_address+0x5a/0xa0 [ 21.699325][ T3961] ? profile_setup.cold+0xc1/0xc1 [ 21.704445][ T3961] ? arch_stack_walk+0x97/0xf0 [ 21.709238][ T3961] ? stack_trace_save+0x8c/0xc0 [ 21.714147][ T3961] ? stack_trace_consume_entry+0x160/0x160 [ 21.720020][ T3961] ? rtnl_newlink+0x46/0xa0 [ 21.724563][ T3961] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 21.730173][ T3961] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 21.736183][ T3961] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 21.742001][ T3961] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 21.747570][ T3961] rtnl_newlink+0x64/0xa0 [ 21.751910][ T3961] ? __rtnl_newlink+0x1590/0x1590 [ 21.756938][ T3961] rtnetlink_rcv_msg+0x44e/0xad0 [ 21.761892][ T3961] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 21.767186][ T3961] ? lock_acquire+0x1f4/0x940 [ 21.771877][ T3961] ? netlink_deliver_tap+0x146/0xcc0 [ 21.777177][ T3961] netlink_rcv_skb+0x15a/0x430 [ 21.781951][ T3961] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 21.787331][ T3961] ? netlink_ack+0xa60/0xa60 [ 21.791930][ T3961] ? netlink_deliver_tap+0x236/0xcc0 [ 21.797229][ T3961] netlink_unicast+0x537/0x740 [ 21.802004][ T3961] ? netlink_attachskb+0x810/0x810 [ 21.807123][ T3961] ? _copy_from_iter_full+0x25c/0x870 [ 21.812501][ T3961] ? __phys_addr_symbol+0x2c/0x70 [ 21.817534][ T3961] ? __check_object_size+0x171/0x437 [ 21.822835][ T3961] netlink_sendmsg+0x882/0xe10 [ 21.827609][ T3961] ? aa_af_perm+0x260/0x260 [ 21.832122][ T3961] ? netlink_unicast+0x740/0x740 [ 21.837079][ T3961] ? netlink_unicast+0x740/0x740 [ 21.842026][ T3961] sock_sendmsg+0xcf/0x120 [ 21.846455][ T3961] ____sys_sendmsg+0x6bf/0x7e0 [ 21.851230][ T3961] ? mark_lock+0x129/0x1390 [ 21.855761][ T3961] ? kernel_sendmsg+0x50/0x50 [ 21.860458][ T3961] ? release_pages+0x656/0x19b0 [ 21.865328][ T3961] ___sys_sendmsg+0x100/0x170 [ 21.870018][ T3961] ? sendmsg_copy_msghdr+0x70/0x70 [ 21.875140][ T3961] ? pagevec_lru_move_fn+0x20a/0x290 [ 21.880465][ T3961] ? migration_entry_to_page+0x310/0x310 [ 21.886109][ T3961] ? do_raw_spin_unlock+0x171/0x260 [ 21.891749][ T3961] ? find_held_lock+0x2d/0x110 [ 21.896517][ T3961] ? do_page_fault+0x59e/0x13da [ 21.901408][ T3961] ? vm_insert_pages+0x6a0/0x6a0 [ 21.907047][ T3961] ? lock_downgrade+0x840/0x840 [ 21.911907][ T3961] ? __fget_light+0x1ab/0x270 [ 21.916605][ T3961] __sys_sendmsg+0xec/0x1b0 [ 21.921123][ T3961] ? __sys_sendmsg_sock+0xb0/0xb0 [ 21.926182][ T3961] ? down_read_nested+0x430/0x430 [ 21.931308][ T3961] ? trace_hardirqs_off_caller+0x55/0x230 [ 21.937038][ T3961] ? do_syscall_64+0x21/0x7d0 [ 21.941732][ T3961] do_syscall_64+0xf6/0x7d0 [ 21.946280][ T3961] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 21.952184][ T3961] RIP: 0033:0x7f43311a2dc7 [ 21.956611][ T3961] 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 [ 21.976251][ T3961] RSP: 002b:00007ffcb88a3258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.984678][ T3961] RAX: ffffffffffffffda RBX: 000000005ead56ab RCX: 00007f43311a2dc7 [ 21.992662][ T3961] RDX: 0000000000000000 RSI: 00007ffcb88a32a0 RDI: 0000000000000003 [ 22.000736][ T3961] RBP: 00007ffcb88a32a0 R08: 0000000000001000 R09: fefefeff77686d74 [ 22.008736][ T3961] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffcb88a32e0 [ 22.016717][ T3961] R13: 000055d4a5fc73c0 R14: 00007ffcb88ab360 R15: 0000000000000000 [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 23.104890][ C1] random: crng init done [ 23.109252][ 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 dev-ttyS0.device (14s / 1min 30s) [** ] (1 of 2) A start job is running for dev-ttyS0.device (15s / 1min 30s) [*** ] (1 of 2) A start job is running for dev-ttyS0.device (15s / 1min 30s) [ *** ] (2 of 2) A start job is running for…dplug all Devices (16s / no limit) [ *** ] (2 of 2) A start job is running for…dplug all Devices (16s / no limit) [ ***] (2 of 2) A start job is running for…dplug all Devices (17s / no limit) [ OK ] Reached target Sound Card. [ **] (1 of 2) A start job is running for dev-ttyS0.device (22s / 1min 30s) [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Reached target Basic System. Starting OpenBSD Secure Shell server... [ OK ] Started Regular background program processing daemon. Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... Starting Permit User Sessions... [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Found device /dev/ttyS0. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. [ 45.566440][ T6662] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 45.578180][ T6662] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 45.586591][ T6662] CPU: 1 PID: 6662 Comm: sshd Not tainted 5.7.0-rc3-next-20200501-syzkaller #0 [ 45.595514][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.605580][ T6662] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 45.611643][ T6662] 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 [ 45.631330][ T6662] RSP: 0018:ffffc900042c7450 EFLAGS: 00010206 [ 45.637395][ T6662] RAX: dffffc0000000000 RBX: ffff8880a443c000 RCX: ffffffff8363b42a [ 45.645362][ T6662] RDX: 0000000000000005 RSI: ffffffff8363b438 RDI: 0000000000000028 [ 45.653329][ T6662] RBP: 1ffff92000858e8b R08: ffff88809334a4c0 R09: fffffbfff1559872 [ 45.661296][ T6662] R10: ffffffff8aacc38f R11: fffffbfff1559871 R12: ffff888093a3afea [ 45.669264][ T6662] R13: ffff888093a3a000 R14: 0000000000001a06 R15: 0000000000000000 [ 45.677233][ T6662] FS: 00007f28212488c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 45.686176][ T6662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.692756][ T6662] CR2: 000055a63a8b78f5 CR3: 0000000097c93000 CR4: 00000000001406e0 [ 45.700723][ T6662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.708691][ T6662] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.716655][ T6662] Call Trace: [ 45.719945][ T6662] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 45.725319][ T6662] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 45.731126][ T6662] ? __kmalloc+0x62f/0x7a0 [ 45.735540][ T6662] ? tomoyo_realpath_from_path+0xc2/0x620 [ 45.741256][ T6662] ? lock_release+0x800/0x800 [ 45.745936][ T6662] ? __lock_acquire+0x2018/0x3f20 [ 45.750975][ T6662] tomoyo_realpath_from_path+0x393/0x620 [ 45.756605][ T6662] tomoyo_path_number_perm+0x1c2/0x4d0 [ 45.762057][ T6662] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 45.767695][ T6662] ? tomoyo_execute_permission+0x470/0x470 [ 45.773538][ T6662] ? d_alloc_parallel+0x785/0x1b10 [ 45.778658][ T6662] ? d_alloc_parallel+0x9ea/0x1b10 [ 45.783860][ T6662] ? rcu_read_lock_held_common+0x130/0x130 [ 45.789664][ T6662] ? print_usage_bug+0x240/0x240 [ 45.794601][ T6662] tomoyo_path_mknod+0x10d/0x190 [ 45.799534][ T6662] ? tomoyo_path_chown+0x1b0/0x1b0 [ 45.804813][ T6662] ? mark_held_locks+0x9f/0xe0 [ 45.809584][ T6662] ? d_lookup+0xec/0x250 [ 45.813823][ T6662] security_path_mknod+0x116/0x180 [ 45.818936][ T6662] lookup_open+0x5ae/0x1320 [ 45.823432][ T6662] ? page_put_link+0x210/0x210 [ 45.828391][ T6662] ? preempt_count_add+0x74/0x140 [ 45.833416][ T6662] ? __mnt_want_write+0x1da/0x2c0 [ 45.838444][ T6662] path_openat+0x93c/0x27f0 [ 45.842951][ T6662] ? path_lookupat.isra.0+0x530/0x530 [ 45.848325][ T6662] ? up_read+0x1a8/0x750 [ 45.852659][ T6662] ? mark_held_locks+0xe0/0xe0 [ 45.857424][ T6662] ? down_read_nested+0x430/0x430 [ 45.862453][ T6662] do_filp_open+0x192/0x260 [ 45.866964][ T6662] ? may_open_dev+0xf0/0xf0 [ 45.871496][ T6662] ? simple_attr_release+0x40/0x40 [ 45.876620][ T6662] ? _raw_spin_unlock+0x24/0x40 [ 45.881485][ T6662] ? __alloc_fd+0x46d/0x600 [ 45.886002][ T6662] do_sys_openat2+0x585/0x7d0 [ 45.890679][ T6662] ? file_open_root+0x400/0x400 [ 45.895530][ T6662] ? up_read+0x1a8/0x750 [ 45.899796][ T6662] do_sys_open+0xc3/0x140 [ 45.904139][ T6662] ? filp_open+0x70/0x70 [ 45.908385][ T6662] ? handle_mm_fault+0x29e/0x660 [ 45.913441][ T6662] ? trace_hardirqs_off_caller+0x55/0x230 [ 45.919168][ T6662] do_syscall_64+0xf6/0x7d0 [ 45.923681][ T6662] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 45.929565][ T6662] RIP: 0033:0x7f281f3b16f0 [ 45.933983][ T6662] 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 [ 45.953591][ T6662] RSP: 002b:00007ffd8f249b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 45.962016][ T6662] RAX: ffffffffffffffda RBX: 000055a63bfb3200 RCX: 00007f281f3b16f0 [ 45.969992][ T6662] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 000055a63a8b78f5 [ 45.977963][ T6662] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 45.985954][ T6662] R10: 0000000000000240 R11: 0000000000000246 R12: 000055a63a88851e [ 45.993928][ T6662] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 46.001904][ T6662] Modules linked in: Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 46.382126][ T6662] ---[ end trace 57119fdc6a9d3826 ]--- [ 46.388075][ T6662] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 46.472234][ T6662] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b4 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 60 49 8d 7f 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 87 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 46.686282][ T6662] RSP: 0018:ffffc900042c7450 EFLAGS: 00010206 [ 46.740324][ T6662] RAX: dffffc0000000000 RBX: ffff8880a443c000 RCX: ffffffff8363b42a [ 46.823088][ T6662] RDX: 0000000000000005 RSI: ffffffff8363b438 RDI: 0000000000000028 [ 46.831104][ T6662] RBP: 1ffff92000858e8b R08: ffff88809334a4c0 R09: fffffbfff1559872 [ 46.991805][ T6662] R10: ffffffff8aacc38f R11: fffffbfff1559871 R12: ffff888093a3afea [ 46.999814][ T6662] R13: ffff888093a3a000 R14: 0000000000001a06 R15: 0000000000000000 [ 47.159298][ T6662] FS: 00007f28212488c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 47.217507][ T6662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.292021][ T6662] CR2: 00007f5097589710 CR3: 0000000097c93000 CR4: 00000000001406e0 [ 47.300020][ T6662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.417130][ T6662] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.501422][ T6662] Kernel panic - not syncing: Fatal exception [ 47.508887][ T6662] Kernel Offset: disabled [ 47.513223][ T6662] Rebooting in 86400 seconds..