[ 0.000000][ T0] Linux version 5.10.0-rc5-next-20201125-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 e4b6001, primary cpu clock [ 0.000008][ T0] kvm-clock: using sched offset of 3304319087 cycles [ 0.003969][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.012857][ T0] tsc: Detected 2300.000 MHz processor [ 0.017349][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.020626][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.023964][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.032586][ T0] found SMP MP-table at [mem 0x000f25b0-0x000f25bf] [ 0.035478][ T0] Using GB pages for direct mapping [ 0.040519][ T0] ACPI: Early table checksum verification disabled [ 0.043106][ T0] ACPI: RSDP 0x00000000000F2330 000014 (v00 Google) [ 0.047012][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.051532][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.057590][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.061425][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.063410][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.065387][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.069534][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.074922][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.078733][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.082610][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.085242][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.087575][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.090236][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.093400][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.097520][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.102166][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.107937][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.111990][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.116732][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.121406][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.205347][ T0] Zone ranges: [ 0.207161][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.211150][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.214581][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.218888][ T0] Device empty [ 0.220825][ T0] Movable zone start for each node [ 0.224140][ T0] Early memory node ranges [ 0.226878][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.229715][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.232564][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.235240][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.239005][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.239016][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.276197][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.955735][ T0] kasan: KernelAddressSanitizer initialized [ 0.959964][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.962642][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.965917][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.969385][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.972480][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.977134][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.980454][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.983548][ T0] Using ACPI (MADT) for SMP configuration information [ 0.987474][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.990419][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.995640][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.001166][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.005536][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.009552][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 1.014035][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 1.018410][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 1.023751][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 1.027923][ T0] Booting paravirtualized kernel on KVM [ 1.031189][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.099705][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 1.104863][ T0] percpu: Embedded 64 pages/cpu s223176 r8192 d30776 u1048576 [ 1.107871][ T0] kvm-guest: stealtime: cpu 0, msr b9e1fb80 [ 1.110388][ T0] kvm-guest: PV spinlocks enabled [ 1.112810][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.117232][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 1.121344][ T0] Policy zone: Normal [ 1.123631][ 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 [ 1.128626][ T0] ima: policy "tcb" not found [ 1.177548][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.054770][ T0] Memory: 6867400K/8388204K available (133152K kernel code, 31791K rwdata, 28312K rodata, 2628K init, 24016K bss, 1520548K reserved, 0K cma-reserved) [ 2.064765][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 2.071525][ T0] Running RCU self tests [ 2.073818][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.077296][ T0] rcu: RCU lockdep checking is enabled. [ 2.079529][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.083035][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.085655][ T0] rcu: RCU debug extended QS entry/exit. [ 2.088335][ T0] All grace periods are expedited (rcu_expedited). [ 2.091499][ T0] Trampoline variant of Tasks RCU enabled. [ 2.094112][ T0] Tracing variant of Tasks RCU enabled. [ 2.099488][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.103493][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.129441][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.133593][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 2.138778][ T0] random: crng done (trusting CPU's manufacturer) [ 2.142325][ T0] Console: colour VGA+ 80x25 [ 2.144122][ T0] printk: console [ttyS0] enabled [ 2.144122][ T0] printk: console [ttyS0] enabled [ 2.148685][ T0] printk: bootconsole [earlyser0] disabled [ 2.148685][ T0] printk: bootconsole [earlyser0] disabled [ 2.154043][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.158036][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.160601][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.163276][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.166220][ T0] ... CLASSHASH_SIZE: 4096 [ 2.169448][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.172362][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.175462][ T0] ... CHAINHASH_SIZE: 32768 [ 2.178684][ T0] memory used by lock dependency info: 6365 kB [ 2.182605][ T0] memory used for stack traces: 4224 kB [ 2.186016][ T0] per task-struct memory footprint: 1920 bytes [ 2.188766][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.194181][ T0] ACPI: Core revision 20200925 [ 2.196940][ T0] APIC: Switch to symmetric I/O mode setup [ 2.203604][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.206972][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.211798][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.215421][ T0] pid_max: default: 32768 minimum: 301 [ 2.222090][ T0] LSM: Security Framework initializing [ 2.224810][ T0] Yama: becoming mindful. [ 2.226890][ T0] TOMOYO Linux initialized [ 2.230158][ T0] AppArmor: AppArmor initialized [ 2.231822][ T0] LSM support for eBPF active [ 2.243548][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 2.253704][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 2.259048][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.261940][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.272613][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 2.276452][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 2.280452][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.281878][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.281949][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.291822][ T0] MDS: Mitigation: Clear CPU buffers [ 2.295360][ T0] Freeing SMP alternatives memory: 104K [ 2.422625][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.431140][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.432327][ T1] rcu: Hierarchical SRCU implementation. [ 2.444528][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.450094][ T1] smp: Bringing up secondary CPUs ... [ 2.453578][ T1] x86: Booting SMP configuration: [ 2.455773][ T1] .... node #0, CPUs: #1 [ 0.078509][ T0] kvm-clock: cpu 1, msr e4b6041, secondary cpu clock [ 2.460744][ T15] kvm-guest: stealtime: cpu 1, msr b9f1fb80 [ 2.461872][ 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. [ 2.467838][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.471805][ T1] smpboot: Max logical packages: 1 [ 2.473838][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.482215][ T1] devtmpfs: initialized [ 2.484917][ T1] x86/mm: Memory block size: 128MB [ 2.530286][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.530286][ T23] kworker/u4:0 (23) used greatest stack depth: 27792 bytes left [ 2.530286][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.542323][ T1] PM: RTC time: 21:50:46, date: 2020-11-25 [ 2.547588][ T1] NET: Registered protocol family 16 [ 2.559676][ T1] audit: initializing netlink subsys (disabled) [ 2.562017][ T34] audit: type=2000 audit(1606341046.214:1): state=initialized audit_enabled=0 res=1 [ 2.565513][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.565550][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.569286][ T1] cpuidle: using governor menu [ 2.571820][ T40] kworker/u4:1 (40) used greatest stack depth: 27296 bytes left [ 2.575165][ T1] NET: Registered protocol family 42 [ 2.593406][ T1] ACPI: bus type PCI registered [ 2.597675][ T1] PCI: Using configuration type 1 for base access [ 3.534678][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 3.536966][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 3.536966][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 3.573625][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.612769][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 3.615705][ T1] raid6: using avx2x2 recovery algorithm [ 3.623923][ T1] ACPI: Added _OSI(Module Device) [ 3.627049][ T1] ACPI: Added _OSI(Processor Device) [ 3.629483][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.631825][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.635207][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 3.637436][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 3.643512][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.697693][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.751327][ T1] ACPI: Interpreter enabled [ 3.752700][ T1] ACPI: (supports S0 S3 S4 S5) [ 3.755224][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.758880][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.764301][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.790740][ T1800] kworker/u4:4 (1800) used greatest stack depth: 27232 bytes left [ 3.875424][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.879600][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.882256][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.897366][ T1] PCI host bridge to bus 0000:00 [ 3.899318][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.901834][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.905258][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.909482][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.911842][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.915084][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.921851][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.931871][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.959515][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.988404][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.995351][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.009830][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.017976][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfc000-0xfebfc07f] [ 4.046772][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.059760][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.068273][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.095750][ T1] pci 0000:00:05.0: [1af4:1002] type 00 class 0x00ff00 [ 4.111830][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.142779][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 4.154702][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 4.163555][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfebfe000-0xfebfe03f] [ 4.200115][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.206270][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.213528][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.222527][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.229645][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.244000][ T1] iommu: Default domain type: Translated [ 4.247542][ T1] vgaarb: loaded [ 4.256105][ T1] SCSI subsystem initialized [ 4.258696][ T1] ACPI: bus type USB registered [ 4.265203][ T1] usbcore: registered new interface driver usbfs [ 4.268826][ T1] usbcore: registered new interface driver hub [ 4.272303][ T1] usbcore: registered new device driver usb [ 4.276921][ T1] mc: Linux media interface: v0.10 [ 4.279149][ T1] videodev: Linux video capture interface: v2.00 [ 4.284947][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.287777][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 4.293371][ T1] PTP clock support registered [ 4.296785][ T1] EDAC MC: Ver: 3.0.0 [ 4.304975][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.314156][ T1] Bluetooth: Core ver 2.22 [ 4.316400][ T1] NET: Registered protocol family 31 [ 4.318285][ T1] Bluetooth: HCI device and connection manager initialized [ 4.321710][ T1] Bluetooth: HCI socket layer initialized [ 4.323483][ T1] Bluetooth: L2CAP socket layer initialized [ 4.326586][ T1] Bluetooth: SCO socket layer initialized [ 4.331957][ T1] NET: Registered protocol family 8 [ 4.334603][ T1] NET: Registered protocol family 20 [ 4.337112][ T1] NetLabel: Initializing [ 4.338885][ T1] NetLabel: domain hash size = 128 [ 4.341800][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.344777][ T1] NetLabel: unlabeled traffic allowed by default [ 4.348802][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.351070][ T1] NET: Registered protocol family 39 [ 4.351932][ T1] PCI: Using ACPI for IRQ routing [ 4.364995][ T1] clocksource: Switched to clocksource kvm-clock [ 7.647528][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.650918][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.656414][ T1] FS-Cache: Loaded [ 7.659333][ T1] CacheFiles: Loaded [ 7.662092][ T1] TOMOYO: 2.6.0 [ 7.663969][ T1] Mandatory Access Control activated. [ 7.668765][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.672356][ T1] pnp: PnP ACPI init [ 7.687555][ T1] pnp: PnP ACPI: found 7 devices [ 7.751899][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.757369][ T1] NET: Registered protocol family 2 [ 7.764397][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 7.769870][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 7.781686][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 7.790264][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 7.796531][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 7.803156][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.808830][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 7.813191][ T1] NET: Registered protocol family 1 [ 7.818231][ T1] RPC: Registered named UNIX socket transport module. [ 7.821894][ T1] RPC: Registered udp transport module. [ 7.824739][ T1] RPC: Registered tcp transport module. [ 7.827540][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.834482][ T1] NET: Registered protocol family 44 [ 7.836538][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.839339][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.842525][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.846746][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 7.850865][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.853795][ T1] PCI: CLS 0 bytes, default 64 [ 7.859264][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.863558][ T1] software IO TLB: mapped [mem 0x00000000b5e00000-0x00000000b9e00000] (64MB) [ 7.876383][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 7.885390][ T1] kvm: already loaded the other module [ 7.888604][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 7.895140][ T1] clocksource: Switched to clocksource tsc [ 7.967008][ T1] Initialise system trusted keyrings [ 7.970642][ T2194] ------------[ cut here ]------------ [ 7.975015][ T2194] WARNING: CPU: 1 PID: 2194 at include/linux/memcontrol.h:621 prepare_kswapd_sleep+0xed/0x250 [ 7.980932][ T2194] Modules linked in: [ 7.983121][ T2194] CPU: 1 PID: 2194 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201125-syzkaller #0 [ 7.983377][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 7.987257][ T2194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.987286][ T2194] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 8.001126][ 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 a8 e0 ee 8c 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 [ 8.008470][ T2194] RSP: 0000:ffffc900086ffda0 EFLAGS: 00010293 [ 8.011506][ T2194] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998ed9 [ 8.014961][ T2194] RDX: ffff888016e28000 RSI: ffffffff81998eed RDI: 0000000000000001 [ 8.017907][ T2194] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 8.020810][ T2194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 8.024284][ T2194] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 8.027251][ T2194] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 8.030717][ T2194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.033782][ T2194] CR2: 0000000000000000 CR3: 000000000b08e000 CR4: 00000000001506e0 [ 8.037507][ T2194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.040801][ T2194] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.043713][ T2194] Call Trace: [ 8.044923][ T2194] kswapd+0x37d/0xdb0 [ 8.046395][ T2194] ? lock_downgrade+0x6d0/0x6d0 [ 8.048055][ T2194] ? balance_pgdat+0x1250/0x1250 [ 8.048749][ T1] zbud: loaded [ 8.049785][ T2194] ? add_wait_queue+0x150/0x150 [ 8.053697][ T2194] ? lockdep_hardirqs_on+0x79/0x100 [ 8.055928][ T2194] ? __kthread_parkme+0x13f/0x1e0 [ 8.057879][ T2194] ? balance_pgdat+0x1250/0x1250 [ 8.059692][ T2194] kthread+0x3b1/0x4a0 [ 8.061423][ T2194] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 8.061967][ T1] DLM installed [ 8.063995][ T2194] ret_from_fork+0x1f/0x30 [ 8.066595][ T2194] Kernel panic - not syncing: panic_on_warn set ... [ 8.069028][ T2194] CPU: 1 PID: 2194 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201125-syzkaller #0 [ 8.073457][ T2194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.074851][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.073488][ T2194] Call Trace: [ 8.073488][ T2194] dump_stack+0x107/0x163 [ 8.073488][ T2194] panic+0x306/0x73d [ 8.073488][ T2194] ? __warn_printk+0xf3/0xf3 [ 8.073488][ T2194] ? __warn.cold+0x1a/0x44 [ 8.073488][ T2194] ? __warn+0xf1/0x210 [ 8.091504][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 8.091504][ T2194] __warn.cold+0x35/0x44 [ 8.091504][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 8.091504][ T2194] report_bug+0x1bd/0x210 [ 8.091504][ T2194] handle_bug+0x3c/0x60 [ 8.091504][ T2194] exc_invalid_op+0x14/0x40 [ 8.091504][ T2194] asm_exc_invalid_op+0x12/0x20 [ 8.091504][ T2194] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 8.091504][ 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 a8 e0 ee 8c 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 [ 8.091504][ T2194] RSP: 0000:ffffc900086ffda0 EFLAGS: 00010293 [ 8.091504][ T2194] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998ed9 [ 8.091504][ T2194] RDX: ffff888016e28000 RSI: ffffffff81998eed RDI: 0000000000000001 [ 8.091504][ T2194] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 8.091504][ T2194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 8.091504][ T2194] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 8.091504][ T2194] ? prepare_kswapd_sleep+0xd9/0x250 [ 8.091504][ T2194] ? prepare_kswapd_sleep+0xed/0x250 [ 8.091504][ T2194] kswapd+0x37d/0xdb0 [ 8.091504][ T2194] ? lock_downgrade+0x6d0/0x6d0 [ 8.091504][ T2194] ? balance_pgdat+0x1250/0x1250 [ 8.091504][ T2194] ? add_wait_queue+0x150/0x150 [ 8.091504][ T2194] ? lockdep_hardirqs_on+0x79/0x100 [ 8.091504][ T2194] ? __kthread_parkme+0x13f/0x1e0 [ 8.091504][ T2194] ? balance_pgdat+0x1250/0x1250 [ 8.091504][ T2194] kthread+0x3b1/0x4a0 [ 8.091504][ T2194] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 8.091504][ T2194] ret_from_fork+0x1f/0x30 [ 8.091504][ T2194] Kernel Offset: disabled [ 8.091504][ T2194] Rebooting in 86400 seconds..