[ 0.000000][ T0] Linux version 5.10.0-rc5-next-20201124-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, 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 oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 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 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] Malformed early option 'vsyscall' [ 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 [ 0.000000][ T0] kvm-clock: cpu 0, msr e4ae001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 3073609615 cycles [ 0.001445][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004086][ T0] tsc: Detected 2300.000 MHz processor [ 0.006200][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.007256][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.008531][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.015113][ T0] found SMP MP-table at [mem 0x000f25b0-0x000f25bf] [ 0.016180][ T0] Using GB pages for direct mapping [ 0.018736][ T0] ACPI: Early table checksum verification disabled [ 0.019657][ T0] ACPI: RSDP 0x00000000000F2330 000014 (v00 Google) [ 0.020679][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.022150][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.023544][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.024872][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.025687][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.026470][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.027746][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.029069][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.030619][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.032184][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.032896][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.033620][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.034532][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.035512][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.036516][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.038148][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.039796][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.040890][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.042541][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.044260][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.101333][ T0] Zone ranges: [ 0.101919][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.102859][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.103785][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.104800][ T0] Device empty [ 0.105342][ T0] Movable zone start for each node [ 0.106045][ T0] Early memory node ranges [ 0.106695][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.107660][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.108655][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.109664][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.110633][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.110641][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.142126][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.626328][ T0] kasan: KernelAddressSanitizer initialized [ 0.628126][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.628791][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.629786][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.631408][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.632463][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.633940][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.635025][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.636242][ T0] Using ACPI (MADT) for SMP configuration information [ 0.637177][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.638054][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.639281][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.640571][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.641725][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.642841][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.643942][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.645194][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.646329][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.647250][ T0] Booting paravirtualized kernel on KVM [ 0.648256][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.711767][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.714836][ T0] percpu: Embedded 64 pages/cpu s223176 r8192 d30776 u1048576 [ 0.716046][ T0] kvm-guest: stealtime: cpu 0, msr b9e1fb80 [ 0.716840][ T0] kvm-guest: PV spinlocks enabled [ 0.717645][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.719013][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.720423][ T0] Policy zone: Normal [ 0.721085][ T0] Kernel command line: earlyprintk=serial oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb watchdog_thresh=55 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 rcupdate.rcu_expedited=1 root=/dev/sda console=ttyS0 vsyscall=native BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-c [ 0.725465][ T0] ima: policy "tcb" not found [ 0.739628][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.622574][ T0] Memory: 6869448K/8388204K available (133151K kernel code, 31770K rwdata, 28296K rodata, 2624K init, 24048K bss, 1518500K reserved, 0K cma-reserved) [ 1.626056][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.630030][ T0] Running RCU self tests [ 1.630740][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.631864][ T0] rcu: RCU lockdep checking is enabled. [ 1.632575][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.633597][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.634692][ T0] rcu: RCU debug extended QS entry/exit. [ 1.635662][ T0] All grace periods are expedited (rcu_expedited). [ 1.636542][ T0] Trampoline variant of Tasks RCU enabled. [ 1.637294][ T0] Tracing variant of Tasks RCU enabled. [ 1.638057][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.639219][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.659994][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.661662][ T0] random: crng done (trusting CPU's manufacturer) [ 1.663863][ T0] Console: colour VGA+ 80x25 [ 1.664674][ T0] printk: console [ttyS0] enabled [ 1.664674][ T0] printk: console [ttyS0] enabled [ 1.666214][ T0] printk: bootconsole [earlyser0] disabled [ 1.666214][ T0] printk: bootconsole [earlyser0] disabled [ 1.667893][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.669183][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.669852][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.670576][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.671430][ T0] ... CLASSHASH_SIZE: 4096 [ 1.672198][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.672966][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.673769][ T0] ... CHAINHASH_SIZE: 32768 [ 1.674633][ T0] memory used by lock dependency info: 6365 kB [ 1.675507][ T0] memory used for stack traces: 4224 kB [ 1.676340][ T0] per task-struct memory footprint: 1920 bytes [ 1.677358][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.681126][ T0] ACPI: Core revision 20200925 [ 1.682494][ T0] APIC: Switch to symmetric I/O mode setup [ 1.687755][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.688947][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.690653][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.700665][ T0] pid_max: default: 32768 minimum: 301 [ 1.701944][ T0] LSM: Security Framework initializing [ 1.703084][ T0] Yama: becoming mindful. [ 1.703892][ T0] TOMOYO Linux initialized [ 1.705601][ T0] AppArmor: AppArmor initialized [ 1.706433][ T0] LSM support for eBPF active [ 1.715391][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.720802][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.722293][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.723606][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.728744][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.730675][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.731770][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.733266][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.733336][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.736688][ T0] MDS: Mitigation: Clear CPU buffers [ 1.737939][ T0] Freeing SMP alternatives memory: 104K [ 1.860066][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.860642][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.860642][ T1] rcu: Hierarchical SRCU implementation. [ 1.861651][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.863516][ T1] smp: Bringing up secondary CPUs ... [ 1.865959][ T1] x86: Booting SMP configuration: [ 1.866878][ T1] .... node #0, CPUs: #1 [ 0.039092][ T0] kvm-clock: cpu 1, msr e4ae041, secondary cpu clock [ 1.869818][ T14] kvm-guest: stealtime: cpu 1, msr b9f1fb80 [ 1.870756][ 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. [ 1.873031][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.873789][ T1] smpboot: Max logical packages: 1 [ 1.874525][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.877690][ T1] devtmpfs: initialized [ 1.877690][ T1] x86/mm: Memory block size: 128MB [ 1.918377][ T22] kworker/u4:0 (22) used greatest stack depth: 27600 bytes left [ 1.918377][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.920713][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.925210][ T1] PM: RTC time: 17:44:46, date: 2020-11-24 [ 1.933164][ T1] NET: Registered protocol family 16 [ 1.942121][ T1] audit: initializing netlink subsys (disabled) [ 1.943277][ T35] audit: type=2000 audit(1606239886.223:1): state=initialized audit_enabled=0 res=1 [ 1.946163][ T39] kworker/u4:0 (39) used greatest stack depth: 27296 bytes left [ 1.954167][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.954167][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.954262][ T1] cpuidle: using governor menu [ 1.954262][ T1] NET: Registered protocol family 42 [ 1.961292][ T1] ACPI: bus type PCI registered [ 1.962244][ T1] PCI: Using configuration type 1 for base access [ 1.991877][ T86] kworker/u4:1 (86) used greatest stack depth: 27272 bytes left [ 2.897061][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.900437][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.901978][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.921700][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.952342][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 2.953555][ T1] raid6: using avx2x2 recovery algorithm [ 2.961625][ T1] ACPI: Added _OSI(Module Device) [ 2.962490][ T1] ACPI: Added _OSI(Processor Device) [ 2.963281][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.964030][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.965040][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.965798][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.966676][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.021033][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.069018][ T1] ACPI: Interpreter enabled [ 3.070157][ T1] ACPI: (supports S0 S3 S4 S5) [ 3.070768][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.071944][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.075927][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.179136][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.180685][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.182438][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.189809][ T1] PCI host bridge to bus 0000:00 [ 3.190673][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.192229][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.194361][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.195549][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.196708][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.197959][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.199115][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.204839][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.229176][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.248668][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.253905][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.260695][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.265620][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfc000-0xfebfc07f] [ 3.283973][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.290683][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.296346][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 3.314017][ T1] pci 0000:00:05.0: [1af4:1002] type 00 class 0x00ff00 [ 3.320723][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 3.343370][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 3.350376][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 3.354498][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfebfe000-0xfebfe03f] [ 3.384460][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.389045][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.392410][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.396477][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.399653][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.412842][ T1] iommu: Default domain type: Translated [ 3.414425][ T1] vgaarb: loaded [ 3.422253][ T1] SCSI subsystem initialized [ 3.423249][ T1] ACPI: bus type USB registered [ 3.423713][ T1] usbcore: registered new interface driver usbfs [ 3.424970][ T1] usbcore: registered new interface driver hub [ 3.426319][ T1] usbcore: registered new device driver usb [ 3.434291][ T1] mc: Linux media interface: v0.10 [ 3.435467][ T1] videodev: Linux video capture interface: v2.00 [ 3.437409][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.438385][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.440039][ T1] PTP clock support registered [ 3.445180][ T1] EDAC MC: Ver: 3.0.0 [ 3.454676][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.459921][ T1] Bluetooth: Core ver 2.22 [ 3.460963][ T1] NET: Registered protocol family 31 [ 3.461781][ T1] Bluetooth: HCI device and connection manager initialized [ 3.462940][ T1] Bluetooth: HCI socket layer initialized [ 3.463888][ T1] Bluetooth: L2CAP socket layer initialized [ 3.464904][ T1] Bluetooth: SCO socket layer initialized [ 3.465946][ T1] NET: Registered protocol family 8 [ 3.466709][ T1] NET: Registered protocol family 20 [ 3.467743][ T1] NetLabel: Initializing [ 3.468564][ T1] NetLabel: domain hash size = 128 [ 3.469301][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.472172][ T1] NetLabel: unlabeled traffic allowed by default [ 3.474626][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.475763][ T1] NET: Registered protocol family 39 [ 3.476620][ T1] PCI: Using ACPI for IRQ routing [ 3.484924][ T1] clocksource: Switched to clocksource kvm-clock [ 6.759743][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.760954][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.762726][ T1] FS-Cache: Loaded [ 6.764272][ T1] CacheFiles: Loaded [ 6.765281][ T1] TOMOYO: 2.6.0 [ 6.765797][ T1] Mandatory Access Control activated. [ 6.768445][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.770021][ T1] pnp: PnP ACPI init [ 6.784113][ T1] pnp: PnP ACPI: found 7 devices [ 6.843053][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.845587][ T1] NET: Registered protocol family 2 [ 6.848832][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 6.851797][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 6.858944][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 6.864881][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.868565][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 6.871052][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 6.873093][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 6.875190][ T1] NET: Registered protocol family 1 [ 6.877633][ T1] RPC: Registered named UNIX socket transport module. [ 6.878823][ T1] RPC: Registered udp transport module. [ 6.879606][ T1] RPC: Registered tcp transport module. [ 6.880367][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.885005][ T1] NET: Registered protocol family 44 [ 6.886031][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.887190][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 6.888355][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 6.889609][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 6.892361][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.893852][ T1] PCI: CLS 0 bytes, default 64 [ 6.898035][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.899227][ T1] software IO TLB: mapped [mem 0x00000000b5e00000-0x00000000b9e00000] (64MB) [ 6.907356][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 6.911208][ T1] kvm: already loaded the other module [ 6.911996][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 6.913581][ T1] clocksource: Switched to clocksource tsc [ 6.982396][ T1] Initialise system trusted keyrings [ 6.984169][ T2194] ------------[ cut here ]------------ [ 6.985089][ T2194] WARNING: CPU: 0 PID: 2194 at include/linux/memcontrol.h:621 prepare_kswapd_sleep+0xed/0x250 [ 6.986624][ T2194] Modules linked in: [ 6.988360][ T2194] CPU: 0 PID: 2194 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201124-syzkaller #0 [ 6.990152][ T2194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 6.991667][ T2194] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 6.991982][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.992544][ T2194] Code: 89 ee 48 89 df e8 73 d3 ff ff 31 ff 41 89 c4 89 c6 e8 87 19 d7 ff 45 84 e4 74 cc e8 6d 21 d7 ff 0f 1f 44 00 00 e8 63 21 d7 ff <0f> 0b 48 c7 c0 28 8d ee 8c 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 [ 6.996355][ T2194] RSP: 0000:ffffc9000863fda0 EFLAGS: 00010293 [ 6.997379][ T2194] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998e19 [ 6.999211][ T2194] RDX: ffff8880173b5040 RSI: ffffffff81998e2d RDI: 0000000000000001 [ 7.000414][ T2194] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 7.002088][ T2194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 7.003579][ T2194] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 7.004822][ T2194] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 7.006159][ T2194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.007195][ T2194] CR2: ffff88823ffff000 CR3: 000000000b08e000 CR4: 00000000001506f0 [ 7.008665][ T2194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.010627][ T2194] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.011975][ T2194] Call Trace: [ 7.012574][ T2194] kswapd+0x37d/0xdb0 [ 7.013373][ T2194] ? lock_downgrade+0x6d0/0x6d0 [ 7.014322][ T2194] ? balance_pgdat+0x1250/0x1250 [ 7.015319][ T2194] ? add_wait_queue+0x150/0x150 [ 7.016134][ T2194] ? lockdep_hardirqs_on+0x79/0x100 [ 7.017029][ T2194] ? __kthread_parkme+0x13f/0x1e0 [ 7.017845][ T2194] ? balance_pgdat+0x1250/0x1250 [ 7.018835][ T2194] kthread+0x3b1/0x4a0 [ 7.019544][ T2194] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 7.020428][ T2194] ret_from_fork+0x1f/0x30 [ 7.021387][ T2194] Kernel panic - not syncing: panic_on_warn set ... [ 7.023018][ T2194] CPU: 0 PID: 2194 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201124-syzkaller #0 [ 7.024395][ T2194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.025961][ T2194] Call Trace: [ 7.026501][ T2194] dump_stack+0x107/0x163 [ 7.027172][ T2194] panic+0x306/0x73d [ 7.028090][ T2194] ? __warn_printk+0xf3/0xf3 [ 7.029089][ T2194] ? __warn.cold+0x1a/0x44 [ 7.029784][ T2194] ? __warn+0xf1/0x210 [ 7.030388][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 7.031245][ T2194] __warn.cold+0x35/0x44 [ 7.031342][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 7.031342][ T2194] report_bug+0x1bd/0x210 [ 7.031342][ T2194] handle_bug+0x3c/0x60 [ 7.031342][ T2194] exc_invalid_op+0x14/0x40 [ 7.031342][ T2194] asm_exc_invalid_op+0x12/0x20 [ 7.031342][ T2194] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 7.031342][ T2194] Code: 89 ee 48 89 df e8 73 d3 ff ff 31 ff 41 89 c4 89 c6 e8 87 19 d7 ff 45 84 e4 74 cc e8 6d 21 d7 ff 0f 1f 44 00 00 e8 63 21 d7 ff <0f> 0b 48 c7 c0 28 8d ee 8c 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 [ 7.031342][ T2194] RSP: 0000:ffffc9000863fda0 EFLAGS: 00010293 [ 7.031342][ T2194] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998e19 [ 7.031342][ T2194] RDX: ffff8880173b5040 RSI: ffffffff81998e2d RDI: 0000000000000001 [ 7.031342][ T2194] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 7.031342][ T2194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 7.031342][ T2194] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 7.031342][ T2194] ? prepare_kswapd_sleep+0xd9/0x250 [ 7.031342][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 7.031342][ T2194] kswapd+0x37d/0xdb0 [ 7.031342][ T2194] ? lock_downgrade+0x6d0/0x6d0 [ 7.031342][ T2194] ? balance_pgdat+0x1250/0x1250 [ 7.031342][ T2194] ? add_wait_queue+0x150/0x150 [ 7.031342][ T2194] ? lockdep_hardirqs_on+0x79/0x100 [ 7.052021][ T1] zbud: loaded [ 7.031342][ T2194] ? __kthread_parkme+0x13f/0x1e0 [ 7.031342][ T2194] ? balance_pgdat+0x1250/0x1250 [ 7.031342][ T2194] kthread+0x3b1/0x4a0 [ 7.031342][ T2194] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 7.031342][ T2194] ret_from_fork+0x1f/0x30 [ 7.031342][ T2194] Kernel Offset: disabled [ 7.031342][ T2194] Rebooting in 86400 seconds..