[ 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 [ 0.000005][ T0] kvm-clock: using sched offset of 3124960228 cycles [ 0.002235][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.006633][ T0] tsc: Detected 2300.000 MHz processor [ 0.009165][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010714][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011988][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.019626][ T0] found SMP MP-table at [mem 0x000f25b0-0x000f25bf] [ 0.021335][ T0] Using GB pages for direct mapping [ 0.024217][ T0] ACPI: Early table checksum verification disabled [ 0.025522][ T0] ACPI: RSDP 0x00000000000F2330 000014 (v00 Google) [ 0.027180][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.030245][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.032866][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.035627][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.036926][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.038552][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.041370][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.043933][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.046445][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.049136][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.049988][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.051247][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.053088][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.054525][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.056169][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.058374][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.060781][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.062849][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.065149][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.067319][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.124606][ T0] Zone ranges: [ 0.125352][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.126996][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.128434][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.130120][ T0] Device empty [ 0.131007][ T0] Movable zone start for each node [ 0.132423][ T0] Early memory node ranges [ 0.133011][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.134828][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.136594][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.139087][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.140696][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.140705][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.174657][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.651117][ T0] kasan: KernelAddressSanitizer initialized [ 0.653405][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.654699][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.656497][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.658459][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.660395][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.662158][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.664166][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.666349][ T0] Using ACPI (MADT) for SMP configuration information [ 0.667611][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.669185][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.670921][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.673160][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.675888][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.678286][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.680741][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.683615][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.685928][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.687362][ T0] Booting paravirtualized kernel on KVM [ 0.689064][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.754265][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.757611][ T0] percpu: Embedded 64 pages/cpu s223176 r8192 d30776 u1048576 [ 0.759625][ T0] kvm-guest: stealtime: cpu 0, msr b9e1fb80 [ 0.761215][ T0] kvm-guest: PV spinlocks enabled [ 0.762885][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.764711][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.766692][ T0] Policy zone: Normal [ 0.767665][ 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 [ 0.772527][ T0] ima: policy "tcb" not found [ 0.795859][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.609724][ T0] Memory: 6867400K/8388204K available (133152K kernel code, 31791K rwdata, 28312K rodata, 2628K init, 24016K bss, 1520548K reserved, 0K cma-reserved) [ 1.614749][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.619923][ T0] Running RCU self tests [ 1.620916][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.622426][ T0] rcu: RCU lockdep checking is enabled. [ 1.624216][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.626109][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.627472][ T0] rcu: RCU debug extended QS entry/exit. [ 1.629328][ T0] All grace periods are expedited (rcu_expedited). [ 1.631602][ T0] Trampoline variant of Tasks RCU enabled. [ 1.633829][ T0] Tracing variant of Tasks RCU enabled. [ 1.635611][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.637750][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.659628][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.662693][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.666146][ T0] random: crng done (trusting CPU's manufacturer) [ 1.668968][ T0] Console: colour VGA+ 80x25 [ 1.670472][ T0] printk: console [ttyS0] enabled [ 1.670472][ T0] printk: console [ttyS0] enabled [ 1.673351][ T0] printk: bootconsole [earlyser0] disabled [ 1.673351][ T0] printk: bootconsole [earlyser0] disabled [ 1.675915][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.678225][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.679052][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.680248][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.681189][ T0] ... CLASSHASH_SIZE: 4096 [ 1.682507][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.683685][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.684972][ T0] ... CHAINHASH_SIZE: 32768 [ 1.686070][ T0] memory used by lock dependency info: 6365 kB [ 1.687994][ T0] memory used for stack traces: 4224 kB [ 1.689347][ T0] per task-struct memory footprint: 1920 bytes [ 1.691006][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.693976][ T0] ACPI: Core revision 20200925 [ 1.696198][ T0] APIC: Switch to symmetric I/O mode setup [ 1.700918][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.703417][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.705953][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.715957][ T0] pid_max: default: 32768 minimum: 301 [ 1.717553][ T0] LSM: Security Framework initializing [ 1.718949][ T0] Yama: becoming mindful. [ 1.719816][ T0] TOMOYO Linux initialized [ 1.722122][ T0] AppArmor: AppArmor initialized [ 1.723059][ T0] LSM support for eBPF active [ 1.733504][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.739758][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.741696][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.744030][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.749667][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.751617][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.753662][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.756038][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.756108][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.761691][ T0] MDS: Mitigation: Clear CPU buffers [ 1.763178][ T0] Freeing SMP alternatives memory: 104K [ 1.886102][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.891337][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.895587][ T1] rcu: Hierarchical SRCU implementation. [ 1.900518][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.902685][ T1] smp: Bringing up secondary CPUs ... [ 1.906484][ T1] x86: Booting SMP configuration: [ 1.907909][ T1] .... node #0, CPUs: #1 [ 0.043564][ T0] kvm-clock: cpu 1, msr e4b6041, secondary cpu clock [ 1.912055][ T15] kvm-guest: stealtime: cpu 1, msr b9f1fb80 [ 1.912055][ 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. [ 1.916184][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.917937][ T1] smpboot: Max logical packages: 1 [ 1.919546][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.927748][ T1] devtmpfs: initialized [ 1.928072][ T1] x86/mm: Memory block size: 128MB [ 1.968050][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.967974][ T23] kworker/u4:0 (23) used greatest stack depth: 27296 bytes left [ 1.970555][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.982673][ T1] PM: RTC time: 21:50:47, date: 2020-11-25 [ 1.987461][ T1] NET: Registered protocol family 16 [ 1.997518][ T1] audit: initializing netlink subsys (disabled) [ 1.999015][ T35] audit: type=2000 audit(1606341047.701:1): state=initialized audit_enabled=0 res=1 [ 2.008690][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.008690][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.011791][ T1] cpuidle: using governor menu [ 2.012429][ T1] NET: Registered protocol family 42 [ 2.018053][ T1] ACPI: bus type PCI registered [ 2.026982][ T1] PCI: Using configuration type 1 for base access [ 2.197892][ T339] kworker/u4:2 (339) used greatest stack depth: 27056 bytes left [ 2.951877][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.951877][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.951877][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.976886][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.007445][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 3.009401][ T1] raid6: using avx2x2 recovery algorithm [ 3.012490][ T1] ACPI: Added _OSI(Module Device) [ 3.016000][ T1] ACPI: Added _OSI(Processor Device) [ 3.017646][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.019415][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.021448][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 3.023148][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 3.027774][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.079995][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.118022][ T1] ACPI: Interpreter enabled [ 3.119660][ T1] ACPI: (supports S0 S3 S4 S5) [ 3.121203][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.125957][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.128337][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.232860][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.234932][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.236398][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.246094][ T1] PCI host bridge to bus 0000:00 [ 3.247440][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.249207][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.250857][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.252395][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.254564][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.255991][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.258002][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.267356][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.287485][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.304552][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.316807][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.320193][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.327147][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfc000-0xfebfc07f] [ 3.346700][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.352203][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.358957][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 3.377347][ T1] pci 0000:00:05.0: [1af4:1002] type 00 class 0x00ff00 [ 3.384428][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 3.407049][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 3.413757][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 3.420161][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfebfe000-0xfebfe03f] [ 3.449260][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.454334][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.457638][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.461977][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.464737][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.481721][ T1] iommu: Default domain type: Translated [ 3.485971][ T1] vgaarb: loaded [ 3.492363][ T1] SCSI subsystem initialized [ 3.496166][ T1] ACPI: bus type USB registered [ 3.498033][ T1] usbcore: registered new interface driver usbfs [ 3.502410][ T1] usbcore: registered new interface driver hub [ 3.503883][ T1] usbcore: registered new device driver usb [ 3.508097][ T1] mc: Linux media interface: v0.10 [ 3.509938][ T1] videodev: Linux video capture interface: v2.00 [ 3.512271][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.514030][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.516424][ T1] PTP clock support registered [ 3.518828][ T1] EDAC MC: Ver: 3.0.0 [ 3.526508][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.528682][ T1] Bluetooth: Core ver 2.22 [ 3.528682][ T1] NET: Registered protocol family 31 [ 3.529188][ T1] Bluetooth: HCI device and connection manager initialized [ 3.537393][ T1] Bluetooth: HCI socket layer initialized [ 3.538749][ T1] Bluetooth: L2CAP socket layer initialized [ 3.540037][ T1] Bluetooth: SCO socket layer initialized [ 3.541181][ T1] NET: Registered protocol family 8 [ 3.542495][ T1] NET: Registered protocol family 20 [ 3.544569][ T1] NetLabel: Initializing [ 3.545551][ T1] NetLabel: domain hash size = 128 [ 3.546965][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.549478][ T1] NetLabel: unlabeled traffic allowed by default [ 3.552554][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.554474][ T1] NET: Registered protocol family 39 [ 3.556190][ T1] PCI: Using ACPI for IRQ routing [ 3.569165][ T1] clocksource: Switched to clocksource kvm-clock [ 6.823691][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.824783][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.827147][ T1] FS-Cache: Loaded [ 6.828917][ T1] CacheFiles: Loaded [ 6.830236][ T1] TOMOYO: 2.6.0 [ 6.830923][ T1] Mandatory Access Control activated. [ 6.833843][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.835542][ T1] pnp: PnP ACPI init [ 6.850564][ T1] pnp: PnP ACPI: found 7 devices [ 6.912829][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.915951][ T1] NET: Registered protocol family 2 [ 6.920173][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 6.923547][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 6.931941][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 6.937523][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.941778][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 6.945722][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 6.949642][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 6.952304][ T1] NET: Registered protocol family 1 [ 6.954555][ T1] RPC: Registered named UNIX socket transport module. [ 6.956200][ T1] RPC: Registered udp transport module. [ 6.957484][ T1] RPC: Registered tcp transport module. [ 6.958514][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.963131][ T1] NET: Registered protocol family 44 [ 6.964746][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.965885][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 6.967776][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 6.969040][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 6.972527][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.974276][ T1] PCI: CLS 0 bytes, default 64 [ 6.978986][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.980509][ T1] software IO TLB: mapped [mem 0x00000000b5e00000-0x00000000b9e00000] (64MB) [ 6.990100][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 6.994586][ T1] kvm: already loaded the other module [ 6.995930][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 6.998819][ T1] clocksource: Switched to clocksource tsc [ 7.065160][ T2186] kworker/u4:2 (2186) used greatest stack depth: 26976 bytes left [ 7.070538][ T1] Initialise system trusted keyrings [ 7.072287][ T2193] ------------[ cut here ]------------ [ 7.074543][ T2193] WARNING: CPU: 0 PID: 2193 at include/linux/memcontrol.h:621 prepare_kswapd_sleep+0xed/0x250 [ 7.076248][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 7.077345][ T2193] Modules linked in: [ 7.079597][ T2193] CPU: 0 PID: 2193 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201125-syzkaller #0 [ 7.081328][ T2193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.083750][ T2193] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 7.085396][ T2193] 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 [ 7.093272][ T2193] RSP: 0000:ffffc9000826fda0 EFLAGS: 00010293 [ 7.094536][ T2193] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998ed9 [ 7.097120][ T2193] RDX: ffff888017325040 RSI: ffffffff81998eed RDI: 0000000000000001 [ 7.099319][ T2193] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 7.101232][ T2193] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 7.104279][ T2193] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 7.105592][ T2193] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 7.107759][ T2193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.109413][ T2193] CR2: 0000000000000000 CR3: 000000000b08e000 CR4: 00000000001506f0 [ 7.111365][ T2193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.113238][ T2193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.115060][ T2193] Call Trace: [ 7.115673][ T2193] kswapd+0x37d/0xdb0 [ 7.116839][ T2193] ? lock_downgrade+0x6d0/0x6d0 [ 7.117931][ T2193] ? balance_pgdat+0x1250/0x1250 [ 7.119284][ T2193] ? add_wait_queue+0x150/0x150 [ 7.120099][ T2193] ? lockdep_hardirqs_on+0x79/0x100 [ 7.121291][ T2193] ? __kthread_parkme+0x13f/0x1e0 [ 7.122331][ T2193] ? balance_pgdat+0x1250/0x1250 [ 7.123043][ T2193] kthread+0x3b1/0x4a0 [ 7.124005][ T2193] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 7.125358][ T2193] ret_from_fork+0x1f/0x30 [ 7.126774][ T2193] Kernel panic - not syncing: panic_on_warn set ... [ 7.128032][ T2193] CPU: 0 PID: 2193 Comm: kswapd0 Not tainted 5.10.0-rc5-next-20201125-syzkaller #0 [ 7.130892][ T2193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.134466][ T2193] Call Trace: [ 7.135545][ T2193] dump_stack+0x107/0x163 [ 7.136119][ T1] zbud: loaded [ 7.136664][ T2193] panic+0x306/0x73d [ 7.136664][ T2193] ? __warn_printk+0xf3/0xf3 [ 7.136664][ T2193] ? __warn.cold+0x1a/0x44 [ 7.136664][ T2193] ? __warn+0xf1/0x210 [ 7.136664][ T2193] ? prepare_kswapd_sleep+0xed/0x250 [ 7.136664][ T2193] __warn.cold+0x35/0x44 [ 7.136664][ T2193] ? prepare_kswapd_sleep+0xed/0x250 [ 7.136664][ T2193] report_bug+0x1bd/0x210 [ 7.136664][ T2193] handle_bug+0x3c/0x60 [ 7.136664][ T2193] exc_invalid_op+0x14/0x40 [ 7.149165][ T2193] asm_exc_invalid_op+0x12/0x20 [ 7.150559][ T1] DLM installed [ 7.149165][ T2193] RIP: 0010:prepare_kswapd_sleep+0xed/0x250 [ 7.149165][ T2193] 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 [ 7.149165][ T2193] RSP: 0000:ffffc9000826fda0 EFLAGS: 00010293 [ 7.149165][ T2193] RAX: 0000000000000000 RBX: ffff88813fffb000 RCX: ffffffff81998ed9 [ 7.149165][ T2193] RDX: ffff888017325040 RSI: ffffffff81998eed RDI: 0000000000000001 [ 7.161950][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.149165][ T2193] RBP: 0000000000000000 R08: 0000000000000ab3 R09: 0000000000000f89 [ 7.149165][ T2193] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 7.166010][ T2193] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000003 [ 7.166010][ T2193] ? prepare_kswapd_sleep+0xd9/0x250 [ 7.166010][ T2193] ? prepare_kswapd_sleep+0xed/0x250 [ 7.166010][ T2193] kswapd+0x37d/0xdb0 [ 7.166010][ T2193] ? lock_downgrade+0x6d0/0x6d0 [ 7.173085][ T2193] ? balance_pgdat+0x1250/0x1250 [ 7.173085][ T2193] ? add_wait_queue+0x150/0x150 [ 7.176050][ T2193] ? lockdep_hardirqs_on+0x79/0x100 [ 7.176050][ T2193] ? __kthread_parkme+0x13f/0x1e0 [ 7.176050][ T2193] ? balance_pgdat+0x1250/0x1250 [ 7.176050][ T2193] kthread+0x3b1/0x4a0 [ 7.176050][ T2193] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 7.176050][ T2193] ret_from_fork+0x1f/0x30 [ 7.176050][ T2193] Kernel Offset: disabled [ 7.176050][ T2193] Rebooting in 86400 seconds..