[ 0.000000][ T0] Linux version 5.7.0-rc4-next-20200505-syzkaller (syzkaller@syzkaller) (gcc (GCC) 9.0.0 20181231 (experimental), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003][ T0] kvm-clock: cpu 0, msr be49001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 4374966278 cycles [ 0.001832][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.006998][ T0] tsc: Detected 2300.000 MHz processor [ 0.010572][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.012586][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014272][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.022323][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.024069][ T0] check: Scanning 1 areas for low memory corruption [ 0.026606][ T0] Using GB pages for direct mapping [ 0.030358][ T0] ACPI: Early table checksum verification disabled [ 0.032267][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.033980][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.038110][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.040896][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.043764][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.045430][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.047104][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.049561][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.052676][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.055784][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.058536][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.059946][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.061876][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.064161][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.066176][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.068635][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.071216][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.074821][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.077424][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.080781][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.083602][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.138784][ T0] Zone ranges: [ 0.140021][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.142451][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.144248][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.146953][ T0] Device empty [ 0.147915][ T0] Movable zone start for each node [ 0.149554][ T0] Early memory node ranges [ 0.151648][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.153563][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.156100][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.158733][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.161018][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.161026][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.195529][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.649011][ T0] kasan: KernelAddressSanitizer initialized [ 0.650926][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.652081][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.654416][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.656096][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.658044][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.660286][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.662002][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.664311][ T0] Using ACPI (MADT) for SMP configuration information [ 0.666216][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.667840][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.670087][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.672387][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.674278][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.676272][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.678275][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.681200][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.683765][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.686272][ T0] Booting paravirtualized kernel on KVM [ 0.688063][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.746577][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.750221][ T0] percpu: Embedded 67 pages/cpu s233800 r8192 d32440 u1048576 [ 0.752479][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.754800][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.758489][ T0] Policy zone: Normal [ 0.759693][ 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 [ 0.780426][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.671433][ T0] Memory: 6461228K/7863916K available (116743K kernel code, 17348K rwdata, 21728K rodata, 2784K init, 24476K bss, 1402688K reserved, 0K cma-reserved) [ 1.682253][ T0] Running RCU self tests [ 1.683187][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.685152][ T0] rcu: RCU lockdep checking is enabled. [ 1.687306][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.689371][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.691416][ T0] Trampoline variant of Tasks RCU enabled. [ 1.693093][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.695301][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.705788][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.709357][ T0] random: get_random_bytes called from start_kernel+0x508/0x890 with crng_init=0 [ 1.713682][ T0] Console: colour VGA+ 80x25 [ 1.717533][ T0] printk: console [ttyS0] enabled [ 1.717533][ T0] printk: console [ttyS0] enabled [ 1.721122][ T0] printk: bootconsole [earlyser0] disabled [ 1.721122][ T0] printk: bootconsole [earlyser0] disabled [ 1.724405][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.727555][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.729776][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.730908][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.732157][ T0] ... CLASSHASH_SIZE: 4096 [ 1.733418][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.735646][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.737021][ T0] ... CHAINHASH_SIZE: 32768 [ 1.738875][ T0] memory used by lock dependency info: 6301 kB [ 1.740786][ T0] memory used for stack traces: 4224 kB [ 1.743422][ T0] per task-struct memory footprint: 1920 bytes [ 1.746586][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.749888][ T0] ACPI: Core revision 20200326 [ 1.754061][ T0] APIC: Switch to symmetric I/O mode setup [ 1.756785][ T0] x2apic enabled [ 1.758802][ T0] Switched APIC routing to physical x2apic. [ 1.764226][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.766529][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.771180][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.781187][ T0] pid_max: default: 32768 minimum: 301 [ 1.785212][ T0] LSM: Security Framework initializing [ 1.787157][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.790937][ T0] Yama: becoming mindful. [ 1.791424][ T0] TOMOYO Linux initialized [ 1.793350][ T0] AppArmor: AppArmor initialized [ 1.802914][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.809785][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.811519][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.815290][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.823825][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.825948][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.828530][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.831229][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.831266][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.835750][ T0] MDS: Mitigation: Clear CPU buffers [ 1.837879][ T0] Freeing SMP alternatives memory: 96K [ 1.963053][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.969076][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.971166][ T1] rcu: Hierarchical SRCU implementation. [ 1.971806][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.975472][ T1] smp: Bringing up secondary CPUs ... [ 1.984155][ T1] x86: Booting SMP configuration: [ 1.985772][ T1] .... node #0, CPUs: #1 [ 0.061972][ T0] kvm-clock: cpu 1, msr be49041, secondary cpu clock [ 1.988874][ 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. [ 1.991399][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.993264][ T1] smpboot: Max logical packages: 1 [ 1.995323][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.003234][ T1] devtmpfs: initialized [ 2.003234][ T1] x86/mm: Memory block size: 128MB [ 2.034785][ T22] kworker/u4:0 (22) used greatest stack depth: 27296 bytes left [ 2.041377][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.045439][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.049251][ T1] xor: automatically using best checksumming function avx [ 2.052356][ T1] PM: RTC time: 00:23:59, date: 2020-05-06 [ 2.054537][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.054542][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.062212][ T1] NET: Registered protocol family 16 [ 2.070046][ T1] audit: initializing netlink subsys (disabled) [ 2.071407][ T27] audit: type=2000 audit(1588724639.074:1): state=initialized audit_enabled=0 res=1 [ 2.081200][ T1] cpuidle: using governor menu [ 2.081386][ T1] ACPI: bus type PCI registered [ 2.082009][ T1] dca service started, version 1.12.1 [ 2.091768][ T1] PCI: Using configuration type 1 for base access [ 2.120658][ T53] kworker/u4:1 (53) used greatest stack depth: 26680 bytes left [ 2.634779][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.635453][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.635453][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.662752][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.871247][ T1] raid6: avx2x4 gen() 10094 MB/s [ 3.041217][ T1] raid6: avx2x4 xor() 5293 MB/s [ 3.211212][ T1] raid6: avx2x2 gen() 6724 MB/s [ 3.381198][ T1] raid6: avx2x2 xor() 3133 MB/s [ 3.543510][ T1] raid6: avx2x1 gen() 3893 MB/s [ 3.713511][ T1] raid6: avx2x1 xor() 1743 MB/s [ 3.883504][ T1] raid6: sse2x4 gen() 5192 MB/s [ 4.053502][ T1] raid6: sse2x4 xor() 2758 MB/s [ 4.223505][ T1] raid6: sse2x2 gen() 3401 MB/s [ 4.393510][ T1] raid6: sse2x2 xor() 1619 MB/s [ 4.563522][ T1] raid6: sse2x1 gen() 1939 MB/s [ 4.733509][ T1] raid6: sse2x1 xor() 883 MB/s [ 4.735921][ T1] raid6: using algorithm avx2x4 gen() 10094 MB/s [ 4.737944][ T1] raid6: .... xor() 5293 MB/s, rmw enabled [ 4.751193][ T1] raid6: using avx2x2 recovery algorithm [ 4.762477][ T1] ACPI: Added _OSI(Module Device) [ 4.764671][ T1] ACPI: Added _OSI(Processor Device) [ 4.771187][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.772928][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.777126][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.781223][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.783754][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.833054][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.893088][ T1] ACPI: Interpreter enabled [ 4.894823][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.896347][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.901187][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.903851][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 5.011644][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.011644][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 5.014223][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.032530][ T1] PCI host bridge to bus 0000:00 [ 5.032530][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.032530][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.032530][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.033856][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.037036][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.051248][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.054187][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 5.061258][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 5.083860][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 5.100282][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.111789][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 5.116855][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 5.123350][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 5.151948][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 5.157787][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 5.175087][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 5.201954][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 5.206328][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 5.213677][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.251730][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.257786][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.263108][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.268688][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.273575][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.295445][ T1] iommu: Default domain type: Translated [ 5.296589][ T1] vgaarb: loaded [ 5.303201][ T1] SCSI subsystem initialized [ 5.303201][ T1] ACPI: bus type USB registered [ 5.305857][ T1] usbcore: registered new interface driver usbfs [ 5.311477][ T1] usbcore: registered new interface driver hub [ 5.313695][ T1] usbcore: registered new device driver usb [ 5.317267][ T1] mc: Linux media interface: v0.10 [ 5.318909][ T1] videodev: Linux video capture interface: v2.00 [ 5.323074][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.325663][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.328507][ T1] PTP clock support registered [ 5.333509][ T1] EDAC MC: Ver: 3.0.0 [ 5.334646][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.335168][ T1] PCI: Using ACPI for IRQ routing [ 5.345198][ T1] Bluetooth: Core ver 2.22 [ 5.346958][ T1] NET: Registered protocol family 31 [ 5.348117][ T1] Bluetooth: HCI device and connection manager initialized [ 5.351646][ T1] Bluetooth: HCI socket layer initialized [ 5.353184][ T1] Bluetooth: L2CAP socket layer initialized [ 5.354485][ T1] Bluetooth: SCO socket layer initialized [ 5.355961][ T1] NET: Registered protocol family 8 [ 5.357386][ T1] NET: Registered protocol family 20 [ 5.358651][ T1] NetLabel: Initializing [ 5.359746][ T1] NetLabel: domain hash size = 128 [ 5.361183][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.362913][ T1] NetLabel: unlabeled traffic allowed by default [ 5.365312][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.365312][ T1] NET: Registered protocol family 39 [ 5.371512][ T1] clocksource: Switched to clocksource kvm-clock [ 8.147535][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.150548][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 8.153954][ T1] FS-Cache: Loaded [ 8.156268][ T1] CacheFiles: Loaded [ 8.157955][ T1] TOMOYO: 2.6.0 [ 8.158989][ T1] Mandatory Access Control activated. [ 8.162815][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.165311][ T1] pnp: PnP ACPI init [ 8.179332][ T1] pnp: PnP ACPI: found 7 devices [ 8.234193][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.241289][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.244969][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.247917][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.251026][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.255326][ T1] NET: Registered protocol family 2 [ 8.260121][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 8.263926][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.274054][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 8.279985][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.284113][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.287244][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.290614][ T1] [ 8.292106][ T1] ============================= [ 8.293658][ T1] WARNING: suspicious RCU usage [ 8.295196][ T1] 5.7.0-rc4-next-20200505-syzkaller #0 Not tainted [ 8.296939][ T1] ----------------------------- [ 8.298562][ T1] net/ipv4/ipmr.c:136 RCU-list traversed in non-reader section!! [ 8.301564][ T1] [ 8.301564][ T1] other info that might help us debug this: [ 8.301564][ T1] [ 8.304709][ T1] [ 8.304709][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 8.307348][ T1] 1 lock held by swapper/0/1: [ 8.308291][ T1] #0: ffffffff8a7a9870 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 8.311941][ T1] [ 8.311941][ T1] stack backtrace: [ 8.314526][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 8.317740][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.321634][ T1] Call Trace: [ 8.321913][ T1] dump_stack+0x18f/0x20d [ 8.321913][ T1] ipmr_get_table+0x130/0x160 [ 8.321913][ T1] ipmr_net_init+0x133/0x430 [ 8.321913][ T1] ? ipmr_net_exit+0x100/0x100 [ 8.321913][ T1] ops_init+0xaf/0x420 [ 8.321913][ T1] register_pernet_operations+0x346/0x840 [ 8.321913][ T1] ? setup_net+0x860/0x860 [ 8.321913][ T1] ? down_write_killable+0x170/0x170 [ 8.321913][ T1] ? cpus_read_unlock+0xa4/0x140 [ 8.321913][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 8.321913][ T1] ? ipv4_offload_init+0xb5/0xb5 [ 8.321913][ T1] register_pernet_subsys+0x25/0x40 [ 8.321913][ T1] ip_mr_init+0x36/0x168 [ 8.321913][ T1] inet_init+0x298/0x424 [ 8.321913][ T1] do_one_initcall+0x10a/0x7d0 [ 8.321913][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 8.321913][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 8.321913][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 8.321913][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 8.321913][ T1] kernel_init_freeable+0x501/0x5ae [ 8.321913][ T1] ? rest_init+0x365/0x365 [ 8.321913][ T1] kernel_init+0xd/0x1bb [ 8.321913][ T1] ret_from_fork+0x24/0x30 [ 8.360345][ T1] NET: Registered protocol family 1 [ 8.363960][ T1] RPC: Registered named UNIX socket transport module. [ 8.366312][ T1] RPC: Registered udp transport module. [ 8.368017][ T1] RPC: Registered tcp transport module. [ 8.369469][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.374893][ T1] NET: Registered protocol family 44 [ 8.376511][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.378951][ T1] PCI: CLS 0 bytes, default 64 [ 8.386832][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.389148][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.396308][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.401959][ T1] kvm: already loaded the other module [ 8.403585][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.406735][ T1] clocksource: Switched to clocksource tsc [ 8.408711][ T1] mce: Machine check injector initialized [ 8.415248][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.480425][ T1] Initialise system trusted keyrings [ 8.483575][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.485945][ T1] zbud: loaded [ 8.492805][ T1] DLM installed [ 8.496890][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.502406][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.506013][ T1] NFS: Registering the id_resolver key type [ 8.507553][ T1] Key type id_resolver registered [ 8.509509][ T1] Key type id_legacy registered [ 8.511316][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.514048][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.523014][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.526776][ T1] Key type cifs.spnego registered [ 8.528353][ T1] Key type cifs.idmap registered [ 8.531142][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.533498][ T1] fuse: init (API version 7.31) [ 8.545815][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.559992][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.566184][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.568001][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.570135][ T1] ocfs2: Registered cluster interface o2cb [ 8.571856][ T1] ocfs2: Registered cluster interface user [ 8.574158][ T1] OCFS2 User DLM kernel interface loaded [ 8.585360][ T1] gfs2: GFS2 installed [ 8.589949][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.591778][ T1] ceph: loaded (mds proto 32) [ 8.604282][ T1] NET: Registered protocol family 38 [ 8.606959][ T1] async_tx: api initialized (async) [ 8.609033][ T1] Key type asymmetric registered [ 8.611065][ T1] Asymmetric key parser 'x509' registered [ 8.613021][ T1] Asymmetric key parser 'pkcs8' registered [ 8.615314][ T1] Key type pkcs7_test registered [ 8.616927][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.619495][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.621950][ T1] io scheduler mq-deadline registered [ 8.623386][ T1] io scheduler kyber registered [ 8.625586][ T1] io scheduler bfq registered [ 8.639516][ T1] hgafb: HGA card not detected. [ 8.642071][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.644588][ T1] usbcore: registered new interface driver udlfb [ 8.652130][ T1] uvesafb: failed to execute /sbin/v86d [ 8.653569][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.656379][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.658196][ T1] uvesafb: vbe_init() failed with -22 [ 8.659599][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.662787][ T1] vga16fb: mapped to 0x0000000045f0205d [ 8.730614][ T1] Console: switching to colour frame buffer device 80x30 [ 9.022300][ T1] fb0: VGA16 VGA frame buffer device [ 9.026346][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 9.042039][ T1] ACPI: Power Button [PWRF] [ 9.044577][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 9.051809][ T1] ACPI: Sleep Button [SLPF] [ 9.061537][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.079032][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 9.081066][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 9.100589][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 9.103275][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 9.125377][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 9.127302][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 9.438353][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.442165][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.445280][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.461156][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.467856][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.474525][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.484551][ T1] Cyclades driver 2.6 [ 9.486482][ T1] Initializing Nozomi driver 2.1d [ 9.489199][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.491054][ T1] No rocketport ports found; unloading driver [ 9.496071][ T1] Non-volatile memory driver v1.3 [ 9.498480][ T1] Linux agpgart interface v0.103 [ 9.509405][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.513070][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.517329][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.518594][ T1] usbcore: registered new interface driver udl [ 9.572555][ T1] brd: module loaded [ 9.609952][ T1] loop: module loaded [ 9.778512][ T1] zram: Added device: zram0 [ 9.788215][ T1] null_blk: module loaded [ 9.798858][ T1] nfcsim 0.2 initialized [ 9.802955][ T1] Loading iSCSI transport class v2.0-870. [ 9.833968][ T1] scsi host0: Virtio SCSI HBA [ 9.884116][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.890563][ T21] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.908769][ T1] slram: not enough parameters. [ 9.916401][ T1] ftl_cs: FTL header not found. [ 9.956815][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.958951][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.964634][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.975676][ T1] MACsec IEEE 802.1AE [ 9.977378][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 10.029303][ T1] vcan: Virtual CAN interface driver [ 10.031736][ T1] vxcan: Virtual CAN Tunnel driver [ 10.033407][ T1] slcan: serial line CAN interface driver [ 10.035580][ T1] slcan: 10 dynamic interface channels. [ 10.037565][ T1] CAN device driver interface [ 10.039650][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 10.043291][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 10.045720][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 10.048135][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 10.050231][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 10.052801][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 10.056508][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 10.058384][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 10.060002][ T1] AX.25: bpqether driver version 004 [ 10.061748][ T1] PPP generic driver version 2.4.2 [ 10.063877][ T1] PPP BSD Compression module registered [ 10.065709][ T1] PPP Deflate Compression module registered [ 10.068973][ T1] PPP MPPE Compression module registered [ 10.070221][ T1] NET: Registered protocol family 24 [ 10.072304][ T1] PPTP driver version 0.8.5 [ 10.073783][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 10.076367][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 10.079398][ T1] SLIP linefill/keepalive option. [ 10.081511][ T1] hdlc: HDLC support module revision 1.22 [ 10.083101][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 10.085740][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 10.087385][ T1] LAPB Ethernet driver version 0.02 [ 10.089587][ T1] usbcore: registered new interface driver rndis_wlan [ 10.092787][ T1] mac80211_hwsim: initializing netlink [ 10.119221][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 10.133438][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 10.149237][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.152982][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 10.155800][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 10.158195][ T1] usbcore: registered new interface driver pegasus [ 10.160468][ T1] usbcore: registered new interface driver rtl8150 [ 10.163220][ T1] usbcore: registered new interface driver r8152 [ 10.165475][ T1] usbcore: registered new interface driver asix [ 10.167540][ T1] usbcore: registered new interface driver ax88179_178a [ 10.170593][ T1] usbcore: registered new interface driver cdc_ether [ 10.173513][ T1] usbcore: registered new interface driver dm9601 [ 10.176741][ T1] usbcore: registered new interface driver smsc75xx [ 10.180024][ T1] usbcore: registered new interface driver smsc95xx [ 10.183082][ T1] usbcore: registered new interface driver net1080 [ 10.185741][ T1] usbcore: registered new interface driver rndis_host [ 10.187702][ T1] usbcore: registered new interface driver cdc_subset [ 10.190238][ T1] usbcore: registered new interface driver zaurus [ 10.192913][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 10.196474][ T1] usbcore: registered new interface driver cdc_ncm [ 10.198960][ T1] usbcore: registered new interface driver cdc_mbim [ 10.206905][ T1] VFIO - User Level meta-driver version: 0.3 [ 10.215682][ T1] aoe: AoE v85 initialised. [ 10.219823][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 10.222051][ T1] ehci-pci: EHCI PCI platform driver [ 10.223297][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 10.225187][ T1] ohci-pci: OHCI PCI platform driver [ 10.226943][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 10.230301][ T1] usbcore: registered new interface driver cdc_acm [ 10.231951][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 10.234815][ T1] usbcore: registered new interface driver usblp [ 10.237313][ T1] usbcore: registered new interface driver cdc_wdm [ 10.240749][ T1] usbcore: registered new interface driver uas [ 10.243230][ T1] usbcore: registered new interface driver usb-storage [ 10.245310][ T1] usbcore: registered new interface driver ums-realtek [ 10.248127][ T1] usbcore: registered new interface driver usbserial_generic [ 10.250803][ T1] usbserial: USB Serial support registered for generic [ 10.252990][ T1] usbcore: registered new interface driver ch341 [ 10.255684][ T1] usbserial: USB Serial support registered for ch341-uart [ 10.257682][ T1] usbcore: registered new interface driver cp210x [ 10.259779][ T1] usbserial: USB Serial support registered for cp210x [ 10.262221][ T1] usbcore: registered new interface driver ftdi_sio [ 10.264707][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.267480][ T1] usbcore: registered new interface driver keyspan [ 10.269430][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.271853][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.274686][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.277811][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.280657][ T1] usbcore: registered new interface driver option [ 10.283197][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 10.285750][ T1] usbcore: registered new interface driver oti6858 [ 10.288181][ T1] usbserial: USB Serial support registered for oti6858 [ 10.290576][ T1] usbcore: registered new interface driver pl2303 [ 10.293500][ T1] usbserial: USB Serial support registered for pl2303 [ 10.295740][ T1] usbcore: registered new interface driver qcserial [ 10.298153][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 10.300878][ T1] usbcore: registered new interface driver sierra [ 10.302819][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 10.306167][ T1] usbcore: registered new interface driver usb_serial_simple [ 10.308898][ T1] usbserial: USB Serial support registered for carelink [ 10.310986][ T1] usbserial: USB Serial support registered for zio [ 10.313304][ T1] usbserial: USB Serial support registered for funsoft [ 10.316500][ T1] usbserial: USB Serial support registered for flashloader [ 10.318032][ T1] usbserial: USB Serial support registered for google [ 10.320289][ T1] usbserial: USB Serial support registered for libtransistor [ 10.322820][ T1] usbserial: USB Serial support registered for vivopay [ 10.325160][ T1] usbserial: USB Serial support registered for moto_modem [ 10.327533][ T1] usbserial: USB Serial support registered for motorola_tetra [ 10.329736][ T1] usbserial: USB Serial support registered for novatel_gps [ 10.331143][ T1] usbserial: USB Serial support registered for hp4x [ 10.333828][ T1] usbserial: USB Serial support registered for suunto [ 10.335712][ T1] usbserial: USB Serial support registered for siemens_mpi [ 10.343235][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.345325][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 10.349348][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 10.354469][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.358036][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.360001][ T1] usb usb1: Product: Dummy host controller [ 10.361025][ T1] usb usb1: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.364011][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 10.370089][ T1] hub 1-0:1.0: USB hub found [ 10.372432][ T1] hub 1-0:1.0: 1 port detected [ 10.378519][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.380295][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 10.385805][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 10.390094][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.392795][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.395629][ T1] usb usb2: Product: Dummy host controller [ 10.397167][ T1] usb usb2: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.398987][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 10.404547][ T1] hub 2-0:1.0: USB hub found [ 10.405812][ T1] hub 2-0:1.0: 1 port detected [ 10.412391][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.415866][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 10.419099][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 10.422937][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.425313][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.427714][ T1] usb usb3: Product: Dummy host controller [ 10.429534][ T1] usb usb3: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.430127][ C1] random: fast init done [ 10.431103][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 10.436194][ T1] hub 3-0:1.0: USB hub found [ 10.438217][ T1] hub 3-0:1.0: 1 port detected [ 10.442457][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.446256][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 10.447241][ T88] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.452722][ T88] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.452840][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 10.455033][ T88] sd 0:0:1:0: [sda] Write Protect is off [ 10.458551][ T21] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.458749][ T88] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.461040][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.465029][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.467159][ T1] usb usb4: Product: Dummy host controller [ 10.468695][ T1] usb usb4: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.473694][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 10.478523][ T1] hub 4-0:1.0: USB hub found [ 10.480687][ T1] hub 4-0:1.0: 1 port detected [ 10.485685][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.488395][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 10.491397][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 10.493916][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.496627][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.499181][ T1] usb usb5: Product: Dummy host controller [ 10.501886][ T1] usb usb5: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.505189][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 10.508966][ T1] hub 5-0:1.0: USB hub found [ 10.510902][ T1] hub 5-0:1.0: 1 port detected [ 10.515148][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.517545][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 10.520367][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 10.523927][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.526699][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.528523][ T1] usb usb6: Product: Dummy host controller [ 10.529930][ T1] usb usb6: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.534266][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.537659][ T1] hub 6-0:1.0: USB hub found [ 10.539907][ T1] hub 6-0:1.0: 1 port detected [ 10.544394][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.547575][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.552501][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.556235][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.559246][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.561909][ T1] usb usb7: Product: Dummy host controller [ 10.563744][ T1] usb usb7: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.566827][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.570828][ T1] hub 7-0:1.0: USB hub found [ 10.572758][ T1] hub 7-0:1.0: 1 port detected [ 10.577446][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.580138][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.582858][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.586107][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.588607][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.591181][ T1] usb usb8: Product: Dummy host controller [ 10.593959][ T1] usb usb8: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller dummy_hcd [ 10.596826][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.601926][ T1] hub 8-0:1.0: USB hub found [ 10.602914][ T1] hub 8-0:1.0: 1 port detected [ 10.623156][ T1] using random self ethernet address [ 10.625262][ T1] using random host ethernet address [ 10.628666][ T1] Mass Storage Function, version: 2009/09/11 [ 10.630659][ T1] LUN: removable file: (no medium) [ 10.632250][ T1] no file given for LUN0 [ 10.633665][ T1] printk: console [ttyGS0] disabled [ 10.666069][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.669626][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.673228][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.677509][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.680919][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.683142][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.685665][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.687327][ T1] usb usb9: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.691477][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.695140][ T88] sda: sda1 [ 10.696568][ T1] hub 9-0:1.0: USB hub found [ 10.698783][ T1] hub 9-0:1.0: 8 ports detected [ 10.707752][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.711707][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.713000][ T88] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.714364][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.718274][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.722825][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.725216][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.727384][ T1] usb usb10: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.730479][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.734512][ T1] hub 10-0:1.0: USB hub found [ 10.736322][ T1] hub 10-0:1.0: 8 ports detected [ 10.743939][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.747044][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.750165][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.752924][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.755741][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.757976][ T1] usb usb11: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.760136][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.764479][ T1] hub 11-0:1.0: USB hub found [ 10.765442][ T1] hub 11-0:1.0: 8 ports detected [ 10.771661][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.774715][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.777496][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.781770][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.785064][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.787378][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.789238][ T1] usb usb12: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.791788][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.795664][ T1] hub 12-0:1.0: USB hub found [ 10.797414][ T1] hub 12-0:1.0: 8 ports detected [ 10.805842][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.808537][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.813260][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.815690][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.817922][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.820253][ T1] usb usb13: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.823350][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.826756][ T1] hub 13-0:1.0: USB hub found [ 10.828477][ T1] hub 13-0:1.0: 8 ports detected [ 10.835062][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.839202][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.843243][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.846119][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.850114][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.853855][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.856574][ T1] usb usb14: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.858866][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.862155][ T1] hub 14-0:1.0: USB hub found [ 10.864084][ T1] hub 14-0:1.0: 8 ports detected [ 10.872468][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.874962][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.878123][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.880335][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.882566][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.884027][ T1] usb usb15: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.887080][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.890763][ T1] hub 15-0:1.0: USB hub found [ 10.892556][ T1] hub 15-0:1.0: 8 ports detected [ 10.898705][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.901518][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.905139][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.908134][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.911087][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.915426][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.917394][ T1] usb usb16: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.919909][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.923550][ T1] hub 16-0:1.0: USB hub found [ 10.924667][ T1] hub 16-0:1.0: 8 ports detected [ 10.931254][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.933185][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.935097][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.937319][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.939100][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.940864][ T1] usb usb17: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.943994][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.948283][ T1] hub 17-0:1.0: USB hub found [ 10.950258][ T1] hub 17-0:1.0: 8 ports detected [ 10.957405][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.960754][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.963354][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.966602][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 10.969594][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.973518][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 10.975568][ T1] usb usb18: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 10.978078][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 10.981982][ T1] hub 18-0:1.0: USB hub found [ 10.983629][ T1] hub 18-0:1.0: 8 ports detected [ 10.991348][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 10.994262][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 10.997332][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 10.999992][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.003549][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 11.006509][ T1] usb usb19: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.008642][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 11.012439][ T1] hub 19-0:1.0: USB hub found [ 11.014207][ T1] hub 19-0:1.0: 8 ports detected [ 11.020912][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 11.023957][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 11.026211][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.029098][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.033447][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.035560][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 11.037915][ T1] usb usb20: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.040162][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 11.043666][ T1] hub 20-0:1.0: USB hub found [ 11.045520][ T1] hub 20-0:1.0: 8 ports detected [ 11.052672][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 11.056495][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 11.060339][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.063711][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.066605][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 11.068446][ T1] usb usb21: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.070503][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 11.073806][ T1] hub 21-0:1.0: USB hub found [ 11.075014][ T1] hub 21-0:1.0: 8 ports detected [ 11.080906][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 11.084391][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 11.087748][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.091748][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.094856][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.097235][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 11.099351][ T1] usb usb22: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.100949][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 11.105805][ T1] hub 22-0:1.0: USB hub found [ 11.107170][ T1] hub 22-0:1.0: 8 ports detected [ 11.114584][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 11.117544][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 11.120314][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.123711][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.125820][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 11.127946][ T1] usb usb23: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.129900][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 11.133859][ T1] hub 23-0:1.0: USB hub found [ 11.135261][ T1] hub 23-0:1.0: 8 ports detected [ 11.141045][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 11.144105][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 11.146880][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.149657][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.151166][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.153418][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 11.155102][ T1] usb usb24: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.157281][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 11.167183][ T1] hub 24-0:1.0: USB hub found [ 11.172212][ T1] hub 24-0:1.0: 8 ports detected [ 11.183752][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 11.191608][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 11.200555][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.210438][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.218780][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 11.226863][ T1] usb usb25: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.235835][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 11.244016][ T1] hub 25-0:1.0: USB hub found [ 11.249027][ T1] hub 25-0:1.0: 8 ports detected [ 11.258865][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 11.266381][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 11.275179][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.286480][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.295731][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.303928][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 11.310585][ T1] usb usb26: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.319286][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 11.326638][ T1] hub 26-0:1.0: USB hub found [ 11.331722][ T1] hub 26-0:1.0: 8 ports detected [ 11.342480][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.349943][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 11.358899][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.368826][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.377010][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 11.383710][ T1] usb usb27: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.392529][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 11.399930][ T1] hub 27-0:1.0: USB hub found [ 11.404847][ T1] hub 27-0:1.0: 8 ports detected [ 11.414841][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.422388][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 11.430865][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.440641][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.451149][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.459392][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 11.466211][ T1] usb usb28: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.474895][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 11.482946][ T1] hub 28-0:1.0: USB hub found [ 11.487830][ T1] hub 28-0:1.0: 8 ports detected [ 11.498522][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.506101][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 11.515119][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.525002][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.533222][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 11.539949][ T1] usb usb29: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.548827][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 11.556288][ T1] hub 29-0:1.0: USB hub found [ 11.561155][ T1] hub 29-0:1.0: 8 ports detected [ 11.570993][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.579154][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 11.587951][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.597671][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.608321][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.616536][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 11.623251][ T1] usb usb30: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.632053][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 11.639529][ T1] hub 30-0:1.0: USB hub found [ 11.644660][ T1] hub 30-0:1.0: 8 ports detected [ 11.655358][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.662925][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 11.672737][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.681978][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.690121][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 11.697084][ T1] usb usb31: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.705782][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 11.713289][ T1] hub 31-0:1.0: USB hub found [ 11.718951][ T1] hub 31-0:1.0: 8 ports detected [ 11.728774][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.736948][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 11.745560][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.755800][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.766204][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.774839][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 11.781547][ T1] usb usb32: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.790459][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 11.797964][ T1] hub 32-0:1.0: USB hub found [ 11.802916][ T1] hub 32-0:1.0: 8 ports detected [ 11.813752][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.821454][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 11.830488][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 11.840928][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.849129][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 11.855863][ T1] usb usb33: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.866972][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 11.874466][ T1] hub 33-0:1.0: USB hub found [ 11.879347][ T1] hub 33-0:1.0: 8 ports detected [ 11.889960][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.897678][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 11.906920][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.917154][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 11.928017][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.936315][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 11.944953][ T1] usb usb34: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 11.953900][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 11.961447][ T1] hub 34-0:1.0: USB hub found [ 11.966388][ T1] hub 34-0:1.0: 8 ports detected [ 11.977104][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.984781][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 11.994382][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 12.003632][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.011942][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 12.018597][ T1] usb usb35: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.027289][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 12.035269][ T1] hub 35-0:1.0: USB hub found [ 12.040125][ T1] hub 35-0:1.0: 8 ports detected [ 12.049675][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 12.057309][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 12.065902][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 12.075653][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 12.086051][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.094252][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 12.101034][ T1] usb usb36: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.109827][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 12.117422][ T1] hub 36-0:1.0: USB hub found [ 12.122395][ T1] hub 36-0:1.0: 8 ports detected [ 12.133123][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 12.140627][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 12.150037][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 12.160322][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.168540][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 12.175252][ T1] usb usb37: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.183938][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 12.191384][ T1] hub 37-0:1.0: USB hub found [ 12.196252][ T1] hub 37-0:1.0: 8 ports detected [ 12.207177][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 12.214979][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 12.223606][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 12.233310][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 12.244731][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.252947][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 12.259615][ T1] usb usb38: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.268305][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 12.276405][ T1] hub 38-0:1.0: USB hub found [ 12.281362][ T1] hub 38-0:1.0: 8 ports detected [ 12.291867][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 12.299382][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 12.308405][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.07 [ 12.318248][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.326452][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 12.333832][ T1] usb usb39: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.342510][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 12.349899][ T1] hub 39-0:1.0: USB hub found [ 12.355041][ T1] hub 39-0:1.0: 8 ports detected [ 12.364751][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 12.372451][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 12.381020][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 12.390672][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.07 [ 12.401142][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 12.409470][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 12.416167][ T1] usb usb40: Manufacturer: Linux 5.7.0-rc4-next-20200505-syzkaller vhci_hcd [ 12.424862][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 12.432373][ T1] hub 40-0:1.0: USB hub found [ 12.437236][ T1] hub 40-0:1.0: 8 ports detected [ 12.447772][ T1] usbcore: registered new device driver usbip-host [ 12.457279][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 12.467101][ T1] i8042: Warning: Keylock active [ 12.474634][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 12.481561][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 12.547269][ T1] mousedev: PS/2 mouse device common for all mice [ 12.561067][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 12.571927][ T1] rtc_cmos 00:00: registered as rtc0 [ 12.577242][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 12.584560][ T1] i2c /dev entries driver [ 12.591005][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 12.602551][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 12.612078][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 12.619833][ T1] IR NEC protocol handler initialized [ 12.625235][ T1] IR RC5(x/sz) protocol handler initialized [ 12.631225][ T1] IR RC6 protocol handler initialized [ 12.636688][ T1] IR JVC protocol handler initialized [ 12.642342][ T1] IR Sony protocol handler initialized [ 12.642741][ T350] floppy0: no floppy controllers found [ 12.647786][ T1] IR SANYO protocol handler initialized [ 12.647798][ T1] IR Sharp protocol handler initialized [ 12.647805][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 12.671264][ T1] IR XMP protocol handler initialized [ 12.677755][ T1] usbcore: registered new interface driver uvcvideo [ 12.684368][ T1] USB Video Class driver (1.1.1) [ 12.689282][ T1] gspca_main: v2.14.0 registered [ 12.712395][ T1] vivid-000: using single planar format API [ 12.734144][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 12.741982][ T1] vivid-000: V4L2 capture device registered as video3 [ 12.749379][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 12.757244][ T1] vivid-000: V4L2 output device registered as video4 [ 12.765868][ T2509] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 12.772242][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 12.788059][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 12.798125][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 12.806757][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 12.814634][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 12.822393][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 12.830694][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 12.839083][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 12.847397][ T1] vivid-001: using multiplanar format API [ 12.866464][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 12.874646][ T1] vivid-001: V4L2 capture device registered as video7 [ 12.882182][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 12.890054][ T1] vivid-001: V4L2 output device registered as video8 [ 12.897545][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 12.907296][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 12.916988][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 12.924617][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 12.932032][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 12.939678][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 12.947958][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 12.956192][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 12.964537][ T1] vivid-002: using single planar format API [ 12.983682][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 12.993061][ T1] vivid-002: V4L2 capture device registered as video11 [ 13.000510][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 13.008418][ T1] vivid-002: V4L2 output device registered as video12 [ 13.015779][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 13.025537][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 13.035163][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 13.042704][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 13.050086][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 13.057795][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 13.066067][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 13.074355][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 13.082767][ T1] vivid-003: using multiplanar format API [ 13.103065][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 13.110924][ T1] vivid-003: V4L2 capture device registered as video15 [ 13.118649][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 13.126637][ T1] vivid-003: V4L2 output device registered as video16 [ 13.134008][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 13.143879][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 13.153565][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 13.161035][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 13.168468][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 13.176260][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 13.184519][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 13.192856][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 13.201053][ T1] vivid-004: using single planar format API [ 13.209059][ T2509] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 13.234451][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 13.242245][ T1] vivid-004: V4L2 capture device registered as video19 [ 13.249668][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 13.257432][ T1] vivid-004: V4L2 output device registered as video20 [ 13.264765][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 13.274456][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 13.284080][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 13.291752][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 13.299148][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 13.306969][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 13.315192][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 13.323320][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 13.332640][ T1] vivid-005: using multiplanar format API [ 13.352564][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 13.360453][ T1] vivid-005: V4L2 capture device registered as video23 [ 13.368171][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 13.376117][ T1] vivid-005: V4L2 output device registered as video24 [ 13.383825][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 13.393738][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 13.403506][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 13.410949][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 13.418792][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 13.426662][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 13.434992][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 13.443145][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 13.451947][ T1] vivid-006: using single planar format API [ 13.471162][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 13.479223][ T1] vivid-006: V4L2 capture device registered as video27 [ 13.486971][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 13.494943][ T1] vivid-006: V4L2 output device registered as video28 [ 13.502622][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 13.512578][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 13.522390][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 13.529848][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 13.537426][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 13.545220][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 13.553501][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 13.561706][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 13.569892][ T1] vivid-007: using multiplanar format API [ 13.589094][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 13.596990][ T1] vivid-007: V4L2 capture device registered as video31 [ 13.604797][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 13.613271][ T1] vivid-007: V4L2 output device registered as video32 [ 13.620803][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 13.630992][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 13.641301][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 13.648771][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 13.656525][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 13.664380][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 13.672798][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 13.680944][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 13.689230][ T1] vivid-008: using single planar format API [ 13.708788][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 13.716913][ T1] vivid-008: V4L2 capture device registered as video35 [ 13.724652][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 13.732570][ T1] vivid-008: V4L2 output device registered as video36 [ 13.739860][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 13.749826][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 13.759608][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 13.767158][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 13.774897][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 13.782806][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 13.790995][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 13.799173][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 13.807414][ T1] vivid-009: using multiplanar format API [ 13.826484][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 13.834810][ T1] vivid-009: V4L2 capture device registered as video39 [ 13.842789][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 13.850839][ T1] vivid-009: V4L2 output device registered as video40 [ 13.858293][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 13.868107][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 13.877817][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 13.885517][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 13.893051][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 13.901884][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 13.910078][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 13.918238][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 13.926561][ T1] vivid-010: using single planar format API [ 13.946299][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 13.954462][ T1] vivid-010: V4L2 capture device registered as video43 [ 13.962113][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 13.970066][ T1] vivid-010: V4L2 output device registered as video44 [ 13.977777][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 13.987768][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 13.997634][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 14.005377][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 14.013084][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 14.020889][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 14.029324][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 14.037509][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 14.045873][ T1] vivid-011: using multiplanar format API [ 14.065038][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 14.073051][ T1] vivid-011: V4L2 capture device registered as video47 [ 14.080926][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 14.089066][ T1] vivid-011: V4L2 output device registered as video48 [ 14.096522][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 14.106376][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 14.116168][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 14.124251][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 14.131891][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 14.139668][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 14.147950][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 14.156095][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 14.164502][ T1] vivid-012: using single planar format API [ 14.184655][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 14.192855][ T1] vivid-012: V4L2 capture device registered as video51 [ 14.200580][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 14.208736][ T1] vivid-012: V4L2 output device registered as video52 [ 14.216332][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 14.226172][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 14.236156][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 14.243872][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 14.251540][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 14.259293][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 14.267562][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 14.275752][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 14.284081][ T1] vivid-013: using multiplanar format API [ 14.303065][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 14.311138][ T1] vivid-013: V4L2 capture device registered as video55 [ 14.319875][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 14.328464][ T1] vivid-013: V4L2 output device registered as video56 [ 14.336626][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 14.346421][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 14.356561][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 14.364730][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 14.372446][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 14.380432][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 14.389003][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 14.397334][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 14.407105][ T1] vivid-014: using single planar format API [ 14.427486][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 14.437042][ T1] vivid-014: V4L2 capture device registered as video59 [ 14.444832][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 14.453822][ T1] vivid-014: V4L2 output device registered as video60 [ 14.461757][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 14.471690][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 14.482057][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 14.489728][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 14.497701][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 14.506419][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 14.515108][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 14.523717][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 14.532358][ T1] vivid-015: using multiplanar format API [ 14.551990][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 14.560614][ T1] vivid-015: V4L2 capture device registered as video63 [ 14.568565][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 14.576800][ T1] vivid-015: V4L2 output device registered as video64 [ 14.585666][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 14.595624][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 14.605462][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 14.613879][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 14.621702][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 14.629593][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 14.637841][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 14.646053][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 14.656212][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 14.666340][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 14.675485][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 14.684858][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 14.694846][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 14.701540][ T1] iTCO_vendor_support: vendor-support=0 [ 14.709136][ T1] device-mapper: uevent: version 1.0.3 [ 14.716091][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 14.727439][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 14.735011][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 14.742598][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 14.750549][ T1] device-mapper: raid: Loading target version 1.15.1 [ 14.758238][ T1] Bluetooth: HCI UART driver ver 2.3 [ 14.763687][ T1] Bluetooth: HCI UART protocol H4 registered [ 14.770974][ T1] Bluetooth: HCI UART protocol BCSP registered [ 14.777643][ T1] Bluetooth: HCI UART protocol LL registered [ 14.783788][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 14.791306][ T1] Bluetooth: HCI UART protocol QCA registered [ 14.798166][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 14.804730][ T1] Bluetooth: HCI UART protocol Marvell registered [ 14.811644][ T1] usbcore: registered new interface driver bfusb [ 14.819058][ T1] usbcore: registered new interface driver btusb [ 14.826810][ T1] CAPI 2.0 started up with major 68 (middleware) [ 14.833302][ T1] Modular ISDN core version 1.1.29 [ 14.839971][ T1] NET: Registered protocol family 34 [ 14.845525][ T1] DSP module 2.0 [ 14.849063][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 14.868600][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 14.875894][ T1] 0 virtual devices registered [ 14.881818][ T1] intel_pstate: CPU model not supported [ 14.890509][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 14.899950][ T1] usnic_verbs:usnic_uiom_init:563: [ 14.899954][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 14.918116][ T1] usnic_verbs:usnic_ib_init:667: [ 14.918122][ T1] Unable to initialize umem with err -1 [ 14.931361][ T1] iscsi: registered transport (iser) [ 14.937914][ T1] SoftiWARP attached [ 14.942528][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 14.954513][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 14.966327][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 14.987543][ T1] hid: raw HID events driver (C) Jiri Kosina [ 15.036680][ T1] usbcore: registered new interface driver usbhid [ 15.061407][ T1] usbhid: USB HID core driver [ 15.073631][ T1] ashmem: initialized [ 15.178043][ T1] usbcore: registered new interface driver snd-usb-audio [ 15.185520][ T1] drop_monitor: Initializing network drop monitor service [ 15.193386][ T1] NET: Registered protocol family 26 [ 15.198800][ T1] GACT probability on [ 15.203026][ T1] Mirror/redirect action on [ 15.207869][ T1] Simple TC action Loaded [ 15.214605][ T1] netem: version 1.3 [ 15.218728][ T1] u32 classifier [ 15.222497][ T1] Performance counters on [ 15.227276][ T1] input device check on [ 15.231984][ T1] Actions configured [ 15.238103][ T1] nf_conntrack_irc: failed to register helpers [ 15.244506][ T1] nf_conntrack_sane: failed to register helpers [ 15.291391][ T1] nf_conntrack_sip: failed to register helpers [ 15.303769][ T1] xt_time: kernel timezone is -0000 [ 15.309220][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 15.316572][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 15.326211][ T1] IPVS: ipvs loaded. [ 15.330162][ T1] IPVS: [rr] scheduler registered. [ 15.335678][ T1] IPVS: [wrr] scheduler registered. [ 15.340859][ T1] IPVS: [lc] scheduler registered. [ 15.346118][ T1] IPVS: [wlc] scheduler registered. [ 15.351518][ T1] IPVS: [fo] scheduler registered. [ 15.356629][ T1] IPVS: [ovf] scheduler registered. [ 15.362090][ T1] IPVS: [lblc] scheduler registered. [ 15.368499][ T1] IPVS: [lblcr] scheduler registered. [ 15.374156][ T1] IPVS: [dh] scheduler registered. [ 15.379448][ T1] IPVS: [sh] scheduler registered. [ 15.385024][ T1] IPVS: [mh] scheduler registered. [ 15.390117][ T1] IPVS: [sed] scheduler registered. [ 15.395336][ T1] IPVS: [nq] scheduler registered. [ 15.400626][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 15.406852][ T1] IPVS: [sip] pe registered. [ 15.411637][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 15.420306][ T1] gre: GRE over IPv4 demultiplexor driver [ 15.426391][ T1] ip_gre: GRE over IPv4 tunneling driver [ 15.438798][ T1] IPv4 over IPsec tunneling driver [ 15.447478][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 15.456651][ T1] Initializing XFRM netlink socket [ 15.462081][ T1] IPsec XFRM device driver [ 15.467576][ T1] NET: Registered protocol family 10 [ 15.473169][ T1] [ 15.475571][ T1] ============================= [ 15.480831][ T1] WARNING: suspicious RCU usage [ 15.486262][ T1] 5.7.0-rc4-next-20200505-syzkaller #0 Not tainted [ 15.493025][ T1] ----------------------------- [ 15.497863][ T1] net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! [ 15.505759][ T1] [ 15.505759][ T1] other info that might help us debug this: [ 15.505759][ T1] [ 15.516013][ T1] [ 15.516013][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 15.524109][ T1] 1 lock held by swapper/0/1: [ 15.528782][ T1] #0: ffffffff8a7a9870 (pernet_ops_rwsem){+.+.}-{3:3}, at: register_pernet_subsys+0x16/0x40 [ 15.540384][ T1] [ 15.540384][ T1] stack backtrace: [ 15.546574][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 15.555657][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 15.556538][ T1] Call Trace: [ 15.556538][ T1] dump_stack+0x18f/0x20d [ 15.556538][ T1] ip6mr_get_table+0x153/0x180 [ 15.556538][ T1] ip6mr_new_table+0x1b/0x70 [ 15.556538][ T1] ip6mr_net_init+0x133/0x3f0 [ 15.556538][ T1] ? ip6mr_net_exit+0x100/0x100 [ 15.556538][ T1] ops_init+0xaf/0x420 [ 15.556538][ T1] register_pernet_operations+0x346/0x840 [ 15.556538][ T1] ? setup_net+0x860/0x860 [ 15.556538][ T1] ? down_write_killable+0x170/0x170 [ 15.556538][ T1] ? cpus_read_unlock+0xa4/0x140 [ 15.556538][ T1] ? kmem_cache_create_usercopy+0x1db/0x280 [ 15.556538][ T1] ? unix_diag_init+0x11/0x11 [ 15.556538][ T1] register_pernet_subsys+0x25/0x40 [ 15.556538][ T1] ip6_mr_init+0x49/0x152 [ 15.556538][ T1] inet6_init+0x1d7/0x6dc [ 15.556538][ T1] do_one_initcall+0x10a/0x7d0 [ 15.556538][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 15.556538][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 15.556538][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 15.556538][ T1] ? kernel_init_freeable+0x3a5/0x5ae [ 15.556538][ T1] kernel_init_freeable+0x501/0x5ae [ 15.556538][ T1] ? rest_init+0x365/0x365 [ 15.556538][ T1] kernel_init+0xd/0x1bb [ 15.556538][ T1] ret_from_fork+0x24/0x30 [ 15.703934][ T1] Segment Routing with IPv6 [ 15.708897][ T1] mip6: Mobile IPv6 [ 15.716654][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 15.728079][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 15.736166][ T1] NET: Registered protocol family 17 [ 15.741590][ T1] NET: Registered protocol family 15 [ 15.747304][ T1] Bridge firewalling registered [ 15.753368][ T1] NET: Registered protocol family 9 [ 15.758642][ T1] X25: Linux Version 0.2 [ 15.791752][ T1] NET: Registered protocol family 6 [ 15.831634][ T1] NET: Registered protocol family 11 [ 15.832467][ T3965] kworker/u4:1 (3965) used greatest stack depth: 26264 bytes left [ 15.837185][ T1] NET: Registered protocol family 3 [ 15.851582][ T1] can: controller area network core (rev 20170425 abi 9) [ 15.859085][ T1] NET: Registered protocol family 29 [ 15.864585][ T1] can: raw protocol (rev 20170425) [ 15.869762][ T1] can: broadcast manager protocol (rev 20170425 t) [ 15.876307][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 15.882897][ T1] can: SAE J1939 [ 15.887005][ T1] Bluetooth: RFCOMM TTY layer initialized [ 15.893548][ T1] Bluetooth: RFCOMM socket layer initialized [ 15.899557][ T1] Bluetooth: RFCOMM ver 1.11 [ 15.904299][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 15.910617][ T1] Bluetooth: BNEP filters: protocol multicast [ 15.916750][ T1] Bluetooth: BNEP socket layer initialized [ 15.922679][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 15.928500][ T1] Bluetooth: CMTP socket layer initialized [ 15.934328][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 15.941096][ T1] Bluetooth: HIDP socket layer initialized [ 15.947387][ T1] RPC: Registered rdma transport module. [ 15.953043][ T1] RPC: Registered rdma backchannel transport module. [ 15.962460][ T1] NET: Registered protocol family 33 [ 15.967935][ T1] Key type rxrpc registered [ 15.972646][ T1] Key type rxrpc_s registered [ 15.978240][ T1] NET: Registered protocol family 41 [ 15.984191][ T1] lec:lane_module_init: lec.c: initialized [ 15.990136][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 15.996856][ T1] l2tp_core: L2TP core driver, V2.0 [ 16.002145][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 16.007793][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 16.014409][ T1] l2tp_netlink: L2TP netlink interface [ 16.020007][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 16.026821][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 16.034447][ T1] NET: Registered protocol family 35 [ 16.040086][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 16.057019][ T1] DCCP: Activated CCID 2 (TCP-like) [ 16.062780][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 16.070525][ T1] sctp: Hash tables configured (bind 32/56) [ 16.077948][ T1] NET: Registered protocol family 21 [ 16.084324][ T1] Registered RDS/infiniband transport [ 16.090632][ T1] Registered RDS/tcp transport [ 16.095457][ T1] tipc: Activated (version 2.0.0) [ 16.100969][ T1] NET: Registered protocol family 30 [ 16.107346][ T1] tipc: Started in single node mode [ 16.113228][ T1] NET: Registered protocol family 43 [ 16.118797][ T1] 9pnet: Installing 9P2000 support [ 16.124707][ T1] NET: Registered protocol family 37 [ 16.134243][ T1] NET: Registered protocol family 36 [ 16.139974][ T1] Key type dns_resolver registered [ 16.145289][ T1] Key type ceph registered [ 16.150378][ T1] libceph: loaded (mon/osd proto 15/24) [ 16.158071][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 16.167086][ T1] openvswitch: Open vSwitch switching datapath [ 16.175893][ T1] NET: Registered protocol family 40 [ 16.181618][ T1] mpls_gso: MPLS GSO support [ 16.192806][ T1] IPI shorthand broadcast: enabled [ 16.198143][ T1] AVX2 version of gcm_enc/dec engaged. [ 16.203740][ T1] AES CTR mode by8 optimization enabled [ 16.214561][ T1] sched_clock: Marking stable (16162546748, 51972860)->(16211123831, 3395777) [ 16.224658][ T1] registered taskstats version 1 [ 16.229589][ T1] Loading compiled-in X.509 certificates [ 16.240428][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 8b22f477d966bfa6cf9a482acbda6ca1892a4acc' [ 16.252527][ T1] zswap: loaded using pool lzo/zbud [ 16.258723][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 16.268273][ T1] Key type ._fscrypt registered [ 16.273151][ T1] Key type .fscrypt registered [ 16.277921][ T1] Key type fscrypt-provisioning registered [ 16.286769][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 16.293628][ T1] FS-Cache: Netfs 'afs' registered for caching [ 16.308251][ T1] Btrfs loaded, crc32c=crc32c-intel [ 16.318789][ T1] Key type big_key registered [ 16.325613][ T1] Key type encrypted registered [ 16.330487][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 16.337199][ T1] ima: No TPM chip found, activating TPM-bypass! [ 16.343896][ T1] ima: Allocated hash algorithm: sha256 [ 16.349780][ T1] ima: No architecture policies found [ 16.355361][ T1] evm: Initialising EVM extended attributes: [ 16.361368][ T1] evm: security.selinux [ 16.365494][ T1] evm: security.SMACK64 [ 16.369621][ T1] evm: security.SMACK64EXEC [ 16.374151][ T1] evm: security.SMACK64TRANSMUTE [ 16.379058][ T1] evm: security.SMACK64MMAP [ 16.383567][ T1] evm: security.apparmor [ 16.387780][ T1] evm: security.ima [ 16.392049][ T1] evm: security.capability [ 16.396445][ T1] evm: HMAC attrs: 0x1 [ 16.402212][ T1] PM: Magic number: 4:263:354 [ 16.407174][ T1] sound sequencer: hash matches [ 16.412239][ T1] video4linux v4l-touch12: hash matches [ 16.417843][ T1] input event0: hash matches [ 16.424332][ T1] printk: console [netcon0] enabled [ 16.429525][ T1] netconsole: network logging started [ 16.438458][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 16.447774][ T1] rdma_rxe: loaded [ 16.451996][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 16.463474][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 16.472139][ T2550] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 16.481826][ T1] ALSA device list: [ 16.485632][ T1] #0: Dummy 1 [ 16.489067][ T1] #1: Loopback 1 [ 16.492957][ T2550] cfg80211: failed to load regulatory.db [ 16.499113][ T1] #2: Virtual MIDI Card 1 [ 16.506418][ T1] md: Waiting for all devices to be available before autodetect [ 16.514085][ T1] md: If you don't use raid, use raid=noautodetect [ 16.525148][ T1] md: Autodetecting RAID arrays. [ 16.530161][ T1] md: autorun ... [ 16.533868][ T1] md: ... autorun DONE. [ 16.560103][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 16.568545][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 16.581980][ T1] devtmpfs: mounted [ 16.593521][ T1] Freeing unused kernel image (initmem) memory: 2784K [ 16.600313][ T1] Kernel memory protection disabled. [ 16.642025][ T1] Run /sbin/init as init process [ 17.422476][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 17.450012][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 17.457711][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 17.519890][ 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) [ 17.542569][ T1] systemd[1]: Detected virtualization kvm. [ 17.548447][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 17.616430][ T1] systemd[1]: Set hostname to . [ 18.088907][ T4037] systemd-getty-g (4037) used greatest stack depth: 25544 bytes left [ 18.160034][ T4042] systemd-cryptse (4042) used greatest stack depth: 25136 bytes left [ 18.180027][ T4043] selinux-autorel (4043) used greatest stack depth: 24848 bytes left [ 18.191831][ T4045] systemd-fstab-generator[4045]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 18.208879][ T4045] systemd-fstab-generator[4045]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 18.225992][ T4045] systemd-fstab-generator[4045]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 18.247542][ T4045] systemd-fstab-g (4045) used greatest stack depth: 23880 bytes left [ 18.259919][ T4040] systemd-sysv-ge (4040) used greatest stack depth: 23720 bytes left [ 18.295292][ T4035] systemd[4035]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 18.674351][ T1] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 18.713355][ T1] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 18.756441][ T1] [ 18.758931][ T1] ============================= [ 18.763883][ T1] WARNING: suspicious RCU usage [ 18.768718][ T1] 5.7.0-rc4-next-20200505-syzkaller #0 Not tainted [ 18.775268][ T1] ----------------------------- [ 18.780105][ T1] security/integrity/evm/evm_main.c:231 RCU-list traversed in non-reader section!! [ 18.789411][ T1] [ 18.789411][ T1] other info that might help us debug this: [ 18.789411][ T1] [ 18.799825][ T1] [ 18.799825][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 18.807927][ T1] 2 locks held by systemd/1: [ 18.812603][ T1] #0: ffff8880986f2450 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 18.821752][ T1] #1: ffff888096cce1d0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: vfs_setxattr+0x92/0xf0 [ 18.831759][ T1] [ 18.831759][ T1] stack backtrace: [ 18.837637][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 18.846724][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.856757][ T1] Call Trace: [ 18.860664][ T1] dump_stack+0x18f/0x20d [ 18.864986][ T1] evm_protected_xattr+0x1c2/0x210 [ 18.870083][ T1] evm_protect_xattr.isra.0+0xb6/0x3d0 [ 18.875520][ T1] evm_inode_setxattr+0xc4/0xf0 [ 18.880484][ T1] security_inode_setxattr+0x18f/0x200 [ 18.885965][ T1] vfs_setxattr+0xa7/0xf0 [ 18.890285][ T1] setxattr+0x23d/0x330 [ 18.894434][ T1] ? vfs_setxattr+0xf0/0xf0 [ 18.898923][ T1] ? lock_acquire+0x1f4/0x940 [ 18.903753][ T1] ? mnt_want_write+0x3a/0xb0 [ 18.908418][ T1] ? rcu_read_lock_any_held+0xcd/0xf0 [ 18.913793][ T1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 18.919073][ T1] ? preempt_count_add+0x74/0x140 [ 18.924098][ T1] ? preempt_count_add+0x74/0x140 [ 18.929141][ T1] ? __mnt_want_write+0x1da/0x2c0 [ 18.934156][ T1] path_setxattr+0x170/0x190 [ 18.938741][ T1] ? setxattr+0x330/0x330 [ 18.943051][ T1] ? task_work_run+0x160/0x1b0 [ 18.947794][ T1] __x64_sys_setxattr+0xc0/0x160 [ 18.952769][ T1] ? lockdep_hardirqs_on+0x463/0x620 [ 18.958048][ T1] do_syscall_64+0xf6/0x7d0 [ 18.962549][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 18.968599][ T1] RIP: 0033:0x7f001552567a [ 18.972994][ 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 [ 18.992756][ T1] RSP: 002b:00007ffdabeb8078 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 19.001142][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f001552567a [ 19.009098][ T1] RDX: 00007ffdabeb80f0 RSI: 0000564e7a822f9b RDI: 0000564e7bece8e0 [ 19.017056][ T1] RBP: 0000564e7a822f9b R08: 0000000000000000 R09: 0000000000000030 [ 19.025015][ T1] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffdabeb80f0 [ 19.032972][ T1] R13: 0000000000000020 R14: 0000000000000000 R15: 0000564e7be8e250 [ 19.042043][ T1] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 19.082813][ T1] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 19.126014][ T1] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ OK ] Reached target Slices. [ OK ] Listening on Journal Socket. Mounting Huge Pages File System... [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Remote File Systems. Starting Remount Root and Kernel File Systems... [ OK ] Created slice system-getty.slice. [ OK ] Started Forward Password Requests to Wall Directory Watch. [ OK ] Reached target Paths. [ 19.506624][ T4050] EXT4-fs (sda1): re-mounted. Opts: (null) [ OK ] Listening on udev Kernel Socket. Starting Load Kernel Modules... Mounting /sys/kernel/config... Mounting /sys/kernel/debug... [ OK ] Reached target Encrypted Volumes. Starting Create Static Device Nodes in /dev... [ OK ] Listening on Syslog Socket. Mounting POSIX Message Queue File System... [ OK ] Listening on Journal Socket (/dev/log). [ 19.929867][ T4061] systemd-tmpfile (4061) used greatest stack depth: 22688 bytes left Starting Journal Service... [ OK ] Reached target Sockets. [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. Mounting /proc/sys/fs/binfmt_misc... [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Huge Pages File System. [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Load Kernel Modules. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... Starting Apply Kernel Variables... Mounting FUSE Control File System... Starting Load/Save Random Seed... Starting udev Coldplug all Devices... [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Apply Kernel Variables. [ OK ] Started Load/Save Random Seed. [ OK ] Started Mark the need to relabel after reboot. [ OK ] Started udev Kernel Device Manager. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 22.288759][ T4065] systemd-journald[4065]: Received request to flush runtime journal from PID 1 [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. Starting Update UTMP about System Boot/Shutdown... [ 22.874891][ T1] [ 22.877395][ T1] ============================= [ 22.885021][ T1] WARNING: suspicious RCU usage [ 22.896655][ T1] 5.7.0-rc4-next-20200505-syzkaller #0 Not tainted [ 22.906908][ T1] ----------------------------- [ 22.921310][ T1] security/device_cgroup.c:357 RCU-list traversed in non-reader section!! [ 22.929836][ T1] [ 22.929836][ T1] other info that might help us debug this: [ 22.929836][ T1] [ 22.961266][ T1] [ 22.961266][ T1] rcu_scheduler_active = 2, debug_locks = 1 [ 22.969378][ T1] 4 locks held by systemd/1: [ 22.981337][ T1] #0: ffff888097d32450 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 22.990255][ T1] #1: ffff8880a76c8888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write+0x1b8/0x490 [ 23.000821][ T1] #2: ffff8880a8847958 (kn->active#47){++++}-{0:0}, at: kernfs_fop_write+0x1db/0x490 [ 23.021302][ T1] #3: ffffffff8a05f108 (devcgroup_mutex){+.+.}-{3:3}, at: devcgroup_access_write+0x93/0x12a7 [ 23.036681][ T1] [ 23.036681][ T1] stack backtrace: [ 23.043377][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 23.052370][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.062629][ T1] Call Trace: [ 23.065932][ T1] dump_stack+0x18f/0x20d [ 23.070284][ T1] match_exception_partial+0x2ee/0x340 [ 23.075761][ T1] verify_new_ex+0x176/0x3a0 [ 23.080369][ T1] devcgroup_access_write+0xaf5/0x12a7 [ 23.085844][ T1] ? lock_acquire+0x1f4/0x940 [ 23.090564][ T1] ? kernfs_fop_write+0x1db/0x490 [ 23.095601][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 23.100818][ T1] ? mutex_trylock+0x2c0/0x2c0 [ 23.105593][ T1] ? lock_downgrade+0x840/0x840 [ 23.110460][ T1] cgroup_file_write+0x20d/0x710 [ 23.115407][ T1] ? devcgroup_seq_show+0x5e0/0x5e0 [ 23.120615][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 23.125921][ T1] ? __might_fault+0x190/0x1d0 [ 23.130789][ T1] ? css_release_work_fn+0x9e0/0x9e0 [ 23.136227][ T1] kernfs_fop_write+0x268/0x490 [ 23.141119][ T1] ? kernfs_fop_open+0xdc0/0xdc0 [ 23.146082][ T1] __vfs_write+0x76/0x100 [ 23.150419][ T1] vfs_write+0x268/0x5d0 [ 23.154676][ T1] ksys_write+0x12d/0x250 [ 23.159016][ T1] ? __ia32_sys_read+0xb0/0xb0 [ 23.163786][ T1] ? trace_hardirqs_off_caller+0x55/0x230 [ 23.169519][ T1] do_syscall_64+0xf6/0x7d0 [ 23.174122][ T1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 23.180018][ T1] RIP: 0033:0x7f0015519970 [ 23.184439][ 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 [ 23.204394][ T1] RSP: 002b:00007ffdabeb7c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 23.212811][ T1] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0015519970 [ 23.220796][ T1] RDX: 000000000000000a RSI: 0000564e7be9c5c0 RDI: 0000000000000027 [ 23.228774][ T1] RBP: 0000564e7be9c5c0 R08: 0000564e7be940f0 R09: 00007f0016f4f500 [ 23.236762][ T1] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000000a [ 23.244738][ T1] R13: 0000000000000001 R14: 0000564e7be94010 R15: 000000000000000a Starting Network Time Synchronization... [ OK ] Started Update UTMP about System Boot/Shutdown. [ 23.581588][ T4116] [ 23.584104][ T4116] ============================= [ 23.589121][ T4116] WARNING: suspicious RCU usage [ 23.601282][ T4116] 5.7.0-rc4-next-20200505-syzkaller #0 Not tainted [ 23.608330][ T4116] ----------------------------- [ 23.631362][ T4116] drivers/net/hamradio/bpqether.c:149 RCU-list traversed in non-reader section!! [ 23.640495][ T4116] [ 23.640495][ T4116] other info that might help us debug this: [ 23.640495][ T4116] [ 23.671283][ T4116] [ 23.671283][ T4116] rcu_scheduler_active = 2, debug_locks = 1 [ 23.679463][ T4116] 1 lock held by ip/4116: [ 23.684843][ T4116] #0: ffffffff8a7b66c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3f9/0xad0 [ 23.694916][ T4116] [ 23.694916][ T4116] stack backtrace: [ 23.700913][ T4116] CPU: 1 PID: 4116 Comm: ip Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 23.709672][ T4116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.719727][ T4116] Call Trace: [ 23.723026][ T4116] dump_stack+0x18f/0x20d [ 23.727369][ T4116] bpq_device_event+0x796/0x8ee [ 23.732225][ T4116] ? team_port_get_rtnl+0xbe/0x120 [ 23.737346][ T4116] notifier_call_chain+0xc0/0x230 [ 23.742388][ T4116] call_netdevice_notifiers_info+0xb5/0x130 [ 23.748381][ T4116] __dev_notify_flags+0x121/0x2c0 [ 23.753415][ T4116] ? dev_change_name+0x700/0x700 [ 23.758362][ T4116] ? dev_set_allmulti+0x30/0x30 [ 23.763221][ T4116] ? print_usage_bug+0x240/0x240 [ 23.768167][ T4116] dev_change_flags+0x100/0x160 [ 23.773275][ T4116] do_setlink+0xa1c/0x35d0 [ 23.777682][ T4116] ? mark_lock+0x129/0x1390 [ 23.782178][ T4116] ? rtnl_getlink+0xab0/0xab0 [ 23.786835][ T4116] ? print_usage_bug+0x240/0x240 [ 23.791754][ T4116] ? mark_lock+0x129/0x1390 [ 23.796263][ T4116] ? mark_lock+0x129/0x1390 [ 23.800751][ T4116] ? memset+0x20/0x40 [ 23.804718][ T4116] ? __nla_validate_parse+0x2dc/0x1c70 [ 23.810169][ T4116] ? nla_get_range_signed+0x520/0x520 [ 23.815546][ T4116] ? mark_held_locks+0xe0/0xe0 [ 23.820303][ T4116] ? deref_stack_reg+0xaa/0xe0 [ 23.825154][ T4116] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 23.831746][ T4116] __rtnl_newlink+0xad0/0x1590 [ 23.836515][ T4116] ? rtnl_link_unregister+0x240/0x240 [ 23.841887][ T4116] ? is_bpf_text_address+0xcb/0x160 [ 23.847066][ T4116] ? kernel_text_address+0x6e/0xe0 [ 23.852158][ T4116] ? __kernel_text_address+0x9/0x30 [ 23.857338][ T4116] ? unwind_get_return_address+0x5a/0xa0 [ 23.862948][ T4116] ? profile_setup.cold+0xc1/0xc1 [ 23.867955][ T4116] ? arch_stack_walk+0x97/0xf0 [ 23.872720][ T4116] ? stack_trace_save+0x8c/0xc0 [ 23.877551][ T4116] ? stack_trace_consume_entry+0x160/0x160 [ 23.883378][ T4116] ? rtnl_newlink+0x46/0xa0 [ 23.887873][ T4116] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 23.893401][ T4116] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 23.899362][ T4116] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 23.905154][ T4116] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 23.910690][ T4116] rtnl_newlink+0x64/0xa0 [ 23.915004][ T4116] ? __rtnl_newlink+0x1590/0x1590 [ 23.920011][ T4116] rtnetlink_rcv_msg+0x44e/0xad0 [ 23.924947][ T4116] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 23.930216][ T4116] ? lock_acquire+0x1f4/0x940 [ 23.934877][ T4116] ? netlink_deliver_tap+0x146/0xcc0 [ 23.940241][ T4116] netlink_rcv_skb+0x15a/0x430 [ 23.944989][ T4116] ? rtnl_bridge_getlink+0x8e0/0x8e0 [ 23.950256][ T4116] ? netlink_ack+0xa60/0xa60 [ 23.954832][ T4116] ? netlink_deliver_tap+0x236/0xcc0 [ 23.960127][ T4116] netlink_unicast+0x537/0x740 [ 23.964884][ T4116] ? netlink_attachskb+0x810/0x810 [ 23.969986][ T4116] ? _copy_from_iter_full+0x25c/0x870 [ 23.975348][ T4116] ? __phys_addr_symbol+0x2c/0x70 [ 23.980374][ T4116] ? __check_object_size+0x171/0x437 [ 23.985645][ T4116] netlink_sendmsg+0x882/0xe10 [ 23.990403][ T4116] ? aa_af_perm+0x260/0x260 [ 23.994901][ T4116] ? netlink_unicast+0x740/0x740 [ 23.999826][ T4116] ? netlink_unicast+0x740/0x740 [ 24.004744][ T4116] sock_sendmsg+0xcf/0x120 [ 24.009144][ T4116] ____sys_sendmsg+0x6bf/0x7e0 [ 24.013903][ T4116] ? mark_held_locks+0xe0/0xe0 [ 24.018646][ T4116] ? kernel_sendmsg+0x50/0x50 [ 24.023309][ T4116] ? find_held_lock+0x2d/0x110 [ 24.028053][ T4116] ? mark_lock+0x129/0x1390 [ 24.032541][ T4116] ___sys_sendmsg+0x100/0x170 [ 24.037216][ T4116] ? sendmsg_copy_msghdr+0x70/0x70 [ 24.042312][ T4116] ? migration_entry_to_page+0x310/0x310 [ 24.047926][ T4116] ? do_raw_spin_unlock+0x171/0x260 [ 24.053108][ T4116] ? find_held_lock+0x2d/0x110 [ 24.057855][ T4116] ? do_page_fault+0x59e/0x13da [ 24.062719][ T4116] ? vm_insert_pages+0x6a0/0x6a0 [ 24.068072][ T4116] ? lock_downgrade+0x840/0x840 [ 24.072906][ T4116] ? __fget_light+0x1ab/0x270 [ 24.077584][ T4116] __sys_sendmsg+0xec/0x1b0 [ 24.082082][ T4116] ? __sys_sendmsg_sock+0xb0/0xb0 [ 24.087109][ T4116] ? down_read_nested+0x430/0x430 [ 24.092142][ T4116] ? trace_hardirqs_off_caller+0x55/0x230 [ 24.097868][ T4116] ? do_syscall_64+0x21/0x7d0 [ 24.103835][ T4116] do_syscall_64+0xf6/0x7d0 [ 24.108326][ T4116] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 24.114228][ T4116] RIP: 0033:0x7f10d80c2dc7 [ 24.118640][ T4116] 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 [ 24.138926][ T4116] RSP: 002b:00007ffde15ed688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.147422][ T4116] RAX: ffffffffffffffda RBX: 000000005eb203b5 RCX: 00007f10d80c2dc7 [ 24.155385][ T4116] RDX: 0000000000000000 RSI: 00007ffde15ed6d0 RDI: 0000000000000003 [ 24.163434][ T4116] RBP: 00007ffde15ed6d0 R08: 0000000000001000 R09: fefefeff77686d74 [ 24.171930][ T4116] R10: 00000000000005e9 R11: 0000000000000246 R12: 00007ffde15ed710 [ 24.180025][ T4116] R13: 00005595f1f0b3c0 R14: 00007ffde15f5790 R15: 0000000000000000 [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ 24.899085][ C1] random: crng init done [ 24.903445][ C1] random: 7 urandom warning(s) missed due to ratelimiting Stopping Network Time Synchronization... [ OK ] Stopped Network Time Synchronization. Starting Network Time Synchronization... [ OK ] Started Network Time Synchronization. [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [* ] (1 of 2) A start job is running for…dplug all Devices (15s / no limit) [** ] (1 of 2) A start job is running for…dplug all Devices (16s / no limit) [*** ] (1 of 2) A start job is running for…dplug all Devices (16s / no limit) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (17s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (17s / 1min 30s) [ ***] (2 of 2) A start job is running for dev-ttyS0.device (18s / 1min 30s) [ **] (1 of 2) A start job is running for…dplug all Devices (18s / no limit) [ OK ] Reached target Sound Card. [ *] (1 of 2) A start job is running for…dplug all Devices (24s / no limit) [ **] (1 of 2) A start job is running for…dplug all Devices (24s / no limit) [ ***] (2 of 2) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ *** ] (2 of 2) A start job is running for dev-ttyS0.device (26s / 1min 30s) [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ OK ] Reached target Basic System. Starting OpenBSD Secure Shell server... Starting System Logging Service... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Started Regular background program processing daemon. Starting getty on tty2-tty6 if dbus and logind are not available... Starting Permit User Sessions... [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ 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 ] Found device /dev/ttyS0. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. [ 51.307967][ T6825] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 51.319711][ T6825] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 51.328123][ T6825] CPU: 0 PID: 6825 Comm: sshd Not tainted 5.7.0-rc4-next-20200505-syzkaller #0 [ 51.337056][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.347130][ T6825] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 51.353198][ T6825] 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 [ 51.372798][ T6825] RSP: 0018:ffffc90004a77450 EFLAGS: 00010206 [ 51.378965][ T6825] RAX: dffffc0000000000 RBX: ffff8880984ac000 RCX: ffffffff8363adca [ 51.386931][ T6825] RDX: 0000000000000005 RSI: ffffffff8363add8 RDI: 0000000000000028 [ 51.394989][ T6825] RBP: 1ffff9200094ee8b R08: ffff8880944fa140 R09: fffffbfff155a0ca [ 51.402996][ T6825] R10: ffffffff8aad064f R11: fffffbfff155a0c9 R12: ffff8880920e0fea [ 51.410968][ T6825] R13: ffff8880920e0000 R14: 0000000000001aa9 R15: 0000000000000000 [ 51.418949][ T6825] FS: 00007feae26338c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 51.427881][ T6825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.434463][ T6825] CR2: 0000565448f368f5 CR3: 000000008e147000 CR4: 00000000001406f0 [ 51.442437][ T6825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.450409][ T6825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.458378][ T6825] Call Trace: [ 51.461671][ T6825] ? tomoyo_unix_entry.cold+0x1c/0x1c [ 51.467045][ T6825] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 51.473025][ T6825] ? __kmalloc+0x62f/0x7a0 [ 51.477441][ T6825] ? tomoyo_realpath_from_path+0xc2/0x620 [ 51.483164][ T6825] ? lock_release+0x800/0x800 [ 51.487849][ T6825] ? __lock_acquire+0x2018/0x3f20 [ 51.492876][ T6825] tomoyo_realpath_from_path+0x393/0x620 [ 51.498514][ T6825] tomoyo_path_number_perm+0x1c2/0x4d0 [ 51.503975][ T6825] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 51.509723][ T6825] ? tomoyo_execute_permission+0x470/0x470 [ 51.515533][ T6825] ? d_alloc_parallel+0x785/0x1b10 [ 51.520654][ T6825] ? d_alloc_parallel+0x9ea/0x1b10 [ 51.525778][ T6825] ? rcu_read_lock_held_common+0x130/0x130 [ 51.531586][ T6825] ? print_usage_bug+0x240/0x240 [ 51.536528][ T6825] tomoyo_path_mknod+0x10d/0x190 [ 51.541488][ T6825] ? tomoyo_path_chown+0x1b0/0x1b0 [ 51.546613][ T6825] ? mark_held_locks+0x9f/0xe0 [ 51.551879][ T6825] ? d_lookup+0xec/0x250 [ 51.556132][ T6825] security_path_mknod+0x116/0x180 [ 51.561250][ T6825] lookup_open+0x5ae/0x1320 [ 51.565757][ T6825] ? page_put_link+0x210/0x210 [ 51.571322][ T6825] ? preempt_count_add+0x74/0x140 [ 51.576434][ T6825] ? __mnt_want_write+0x1da/0x2c0 [ 51.581737][ T6825] path_openat+0x93c/0x27f0 [ 51.586254][ T6825] ? path_lookupat.isra.0+0x530/0x530 [ 51.592193][ T6825] ? up_read+0x1a8/0x750 [ 51.596629][ T6825] ? mark_held_locks+0xe0/0xe0 [ 51.601585][ T6825] ? down_read_nested+0x430/0x430 [ 51.607081][ T6825] do_filp_open+0x192/0x260 [ 51.611585][ T6825] ? may_open_dev+0xf0/0xf0 [ 51.616090][ T6825] ? simple_attr_release+0x40/0x40 [ 51.621203][ T6825] ? _raw_spin_unlock+0x24/0x40 [ 51.626334][ T6825] ? __alloc_fd+0x46d/0x600 [ 51.630929][ T6825] do_sys_openat2+0x585/0x7d0 [ 51.636391][ T6825] ? file_open_root+0x400/0x400 [ 51.641685][ T6825] ? up_read+0x1a8/0x750 [ 51.646921][ T6825] do_sys_open+0xc3/0x140 [ 51.651280][ T6825] ? filp_open+0x70/0x70 [ 51.655961][ T6825] ? handle_mm_fault+0x29e/0x660 [ 51.660921][ T6825] ? trace_hardirqs_off_caller+0x55/0x230 [ 51.667050][ T6825] do_syscall_64+0xf6/0x7d0 [ 51.671903][ T6825] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.677793][ T6825] RIP: 0033:0x7feae079c6f0 [ 51.682204][ T6825] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24 [ 51.702608][ T6825] RSP: 002b:00007fffd7cda888 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 51.711108][ T6825] RAX: ffffffffffffffda RBX: 00005654496b7970 RCX: 00007feae079c6f0 [ 51.719083][ T6825] RDX: 00000000000001b6 RSI: 0000000000000241 RDI: 0000565448f368f5 [ 51.727058][ T6825] RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000001 [ 51.735033][ T6825] R10: 0000000000000240 R11: 0000000000000246 R12: 0000565448f0751e [ 51.743002][ T6825] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 51.750977][ T6825] Modules linked in: Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 53.513539][ T6825] ---[ end trace 20e173b37f438d0b ]--- [ 53.519740][ T6825] RIP: 0010:tomoyo_get_local_path+0x450/0x800 [ 53.527001][ T6825] 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 [ 53.567076][ T6825] RSP: 0018:ffffc90004a77450 EFLAGS: 00010206 [ 53.575735][ T6825] RAX: dffffc0000000000 RBX: ffff8880984ac000 RCX: ffffffff8363adca [ 53.601151][ T6825] RDX: 0000000000000005 RSI: ffffffff8363add8 RDI: 0000000000000028 [ 53.609890][ T6825] RBP: 1ffff9200094ee8b R08: ffff8880944fa140 R09: fffffbfff155a0ca [ 53.622353][ T6825] R10: ffffffff8aad064f R11: fffffbfff155a0c9 R12: ffff8880920e0fea [ 53.641044][ T6825] R13: ffff8880920e0000 R14: 0000000000001aa9 R15: 0000000000000000 [ 53.652535][ T6825] FS: 00007feae26338c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 53.670592][ T6825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.679908][ T6825] CR2: 00007f38b1451000 CR3: 000000008e147000 CR4: 00000000001406f0 [ 53.698172][ T6825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.707869][ T6825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.772836][ T6825] Kernel panic - not syncing: Fatal exception [ 53.780617][ T6825] Kernel Offset: disabled [ 53.784943][ T6825] Rebooting in 86400 seconds..