[    0.000000][    T0] Linux version 5.8.0-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #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=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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]   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: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[    0.000000][    T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[    0.000000][    T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[    0.000000][    T0] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000][    T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]:   64
[    0.000000][    T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]:  512
[    0.000000][    T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024
[    0.000000][    T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 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 0x0000000000100000-0x000000007ffdcfff] usable
[    0.000000][    T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved
[    0.000000][    T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved
[    0.000000][    T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[    0.000000][    T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000][    T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    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 2.8 present.
[    0.000000][    T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[    0.000000][    T0] Hypervisor detected: KVM
[    0.000000][    T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000064][    T0] kvm-clock: cpu 0, msr becc001, primary cpu clock
[    0.000064][    T0] kvm-clock: using sched offset of 21322959981 cycles
[    0.021284][    T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.075191][    T0] tsc: Detected 2000.164 MHz processor
[    0.109165][    T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000
[    0.134115][    T0] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
[    0.174861][    T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f]
[    0.198634][    T0] check: Scanning 1 areas for low memory corruption
[    0.225949][    T0] ACPI: Early table checksum verification disabled
[    0.246967][    T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS )
[    0.266428][    T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.297451][    T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.325207][    T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.353151][    T0] ACPI: FACS 0x000000007FFDF000 000040
[    0.369415][    T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.398026][    T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.429118][    T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS  BXPCSRAT 00000001 BXPC 00000001)
[    0.457033][    T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS  BXPCMCFG 00000001 BXPC 00000001)
[    0.486389][    T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS  NVDIMM   00000001 BXPC 00000001)
[    0.514407][    T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS  BXPCNFIT 00000001 BXPC 00000001)
[    0.562507][    T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[    0.581028][    T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[    0.602015][    T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0
[    0.623048][    T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0
[    0.639901][    T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1
[    0.655799][    T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1
[    0.675447][    T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1
[    0.691175][    T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1
[    0.707455][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[    0.729345][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff]
[    0.753096][    T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff]
[    0.774892][    T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug
[    0.801684][    T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff]
[    0.836247][    T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB)
[    0.859784][    T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB)
[    0.889000][    T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff]
[    0.919744][    T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff]
[    1.383506][    T0] Zone ranges:
[    1.410801][    T0]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    1.461085][    T0]   DMA32    [mem 0x0000000001000000-0x000000007ffdcfff]
[    1.503397][    T0]   Normal   empty
[    1.522525][    T0]   Device   empty
[    1.545318][    T0] Movable zone start for each node
[    1.572983][    T0] Early memory node ranges
[    1.600009][    T0]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    1.645654][    T0]   node   0: [mem 0x0000000000100000-0x000000003fffffff]
[    1.692084][    T0]   node   1: [mem 0x0000000040000000-0x000000007ffdcfff]
[    1.737281][    T0] Zeroed struct page in unavailable ranges: 133 pages
[    1.737376][    T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff]
[    1.812674][    T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff]
[    9.107232][    T0] kasan: KernelAddressSanitizer initialized
[    9.218340][    T0] ACPI: PM-Timer IO Port: 0x608
[    9.261497][    T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    9.337620][    T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    9.406278][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    9.471198][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    9.531173][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    9.595701][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    9.664924][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    9.741081][    T0] Using ACPI (MADT) for SMP configuration information
[    9.799994][    T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    9.856909][    T0] TSC deadline timer available
[    9.901209][    T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs
[    9.963702][    T0] kvm-guest: KVM setup pv remote TLB flush
[   10.026081][    T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[   10.098027][    T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[   10.168943][    T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[   10.231562][    T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[   10.292546][    T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[   10.343377][    T0] Booting paravirtualized kernel on KVM
[   10.385171][    T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[   10.541478][    T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2
[   10.786076][    T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576
[   10.867665][    T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40
[   10.910228][    T0] kvm-guest: PV spinlocks enabled
[   10.951560][    T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[   11.041188][    T0] Built 2 zonelists, mobility grouping on.  Total pages: 515942
[   11.100703][    T0] Policy zone: DMA32
[   11.126268][    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=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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
[   11.740539][    T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[   13.432650][    T0] Memory: 1503356K/2096620K available (116743K kernel code, 17667K rwdata, 21628K rodata, 2792K init, 23948K bss, 593008K reserved, 0K cma-reserved)
[   13.789104][    T0] Running RCU self tests
[   13.837910][    T0] rcu: Preemptible hierarchical RCU implementation.
[   13.904982][    T0] rcu: 	RCU lockdep checking is enabled.
[   13.963738][    T0] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8.
[   14.043556][    T0] rcu: 	RCU callback double-/use-after-free debug enabled.
[   14.121974][    T0] rcu: 	RCU debug extended QS entry/exit.
[   14.189673][    T0] 	All grace periods are expedited (rcu_expedited).
[   14.275363][    T0] 	Trampoline variant of Tasks RCU enabled.
[   14.347148][    T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[   14.460312][    T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
[   14.609049][    T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16
[   14.848413][    T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0
[   15.904918][    T0] Console: colour VGA+ 80x25
[   16.093130][    T0] printk: console [ttyS0] enabled
[   16.093130][    T0] printk: console [ttyS0] enabled
[   16.214810][    T0] printk: bootconsole [earlyser0] disabled
[   16.214810][    T0] printk: bootconsole [earlyser0] disabled
[   16.349568][    T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[   16.443198][    T0] ... MAX_LOCKDEP_SUBCLASSES:  8
[   16.490926][    T0] ... MAX_LOCK_DEPTH:          48
[   16.544740][    T0] ... MAX_LOCKDEP_KEYS:        8192
[   16.593995][    T0] ... CLASSHASH_SIZE:          4096
[   16.650821][    T0] ... MAX_LOCKDEP_ENTRIES:     32768
[   16.704906][    T0] ... MAX_LOCKDEP_CHAINS:      65536
[   16.753758][    T0] ... CHAINHASH_SIZE:          32768
[   16.801957][    T0]  memory used by lock dependency info: 6301 kB
[   16.867925][    T0]  memory used for stack traces: 4224 kB
[   16.923739][    T0]  per task-struct memory footprint: 1920 bytes
[   16.990741][    T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[   17.111979][    T0] ACPI: Core revision 20200717
[   17.208106][    T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[   17.408898][    T0] APIC: Switch to symmetric I/O mode setup
[   17.546433][    T0] x2apic enabled
[   17.630524][    T0] Switched APIC routing to physical x2apic.
[   17.694680][    T0] kvm-guest: setup PV IPIs
[   17.975275][    T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[   18.082286][    T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns
[   18.244103][    T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640)
[   18.271236][    T0] pid_max: default: 32768 minimum: 301
[   18.301719][    T0] LSM: Security Framework initializing
[   18.312262][    T0] LSM: security= is ignored because it is superseded by lsm=
[   18.323480][    T0] Yama: becoming mindful.
[   18.354551][    T0] SELinux:  Initializing.
[   18.386211][    T0] TOMOYO Linux initialized
[   18.396870][    T0] LSM support for eBPF active
[   18.486933][    T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc)
[   18.525486][    T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[   18.542335][    T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[   18.551622][    T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[   18.902935][    T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated
[   18.959320][    T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[   18.961103][    T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[   18.976665][    T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[   18.981770][    T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available!
[   18.982711][    T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[   19.003793][    T0] TAA: Mitigation: Clear CPU buffers
[   19.011098][    T0] MDS: Mitigation: Clear CPU buffers
[   19.188007][    T0] Freeing SMP alternatives memory: 104K
[   19.687670][    T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3)
[   19.753332][    T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only.
[   19.778493][    T1] rcu: Hierarchical SRCU implementation.
[   19.808961][    T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build
[   19.823398][    T1] NMI watchdog: Perf NMI watchdog permanently disabled
[   19.857617][    T1] smp: Bringing up secondary CPUs ...
[   19.900506][    T1] x86: Booting SMP configuration:
[   19.901915][    T1] .... node  #0, CPUs:      #1
[    3.244332][    T0] kvm-clock: cpu 1, msr becc041, secondary cpu clock
[   20.061080][   T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40
[   20.105376][    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.
[   20.121369][    T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.
[   20.162089][    T1]  #2
[    3.244332][    T0] kvm-clock: cpu 2, msr becc081, secondary cpu clock
[   20.351080][   T20] kvm-guest: stealtime: cpu 2, msr 2d020a40
[   20.711080][    T1]  #3
[    3.244332][    T0] kvm-clock: cpu 3, msr becc0c1, secondary cpu clock
[   20.867763][   T25] kvm-guest: stealtime: cpu 3, msr 2d120a40
[   20.921080][    T1] smp: Brought up 2 nodes, 4 CPUs
[   20.932677][    T1] smpboot: Max logical packages: 2
[   20.941569][    T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS)
[   21.171967][    T1] devtmpfs: initialized
[   21.239752][    T1] x86/mm: Memory block size: 128MB
[   21.535929][    T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[   21.561080][    T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc)
[   21.551080][   T34] kworker/u17:0 (34) used greatest stack depth: 27656 bytes left
[   21.624604][    T1] xor: automatically using best checksumming function   avx       
[   21.694637][   T37] kworker/u17:0 (37) used greatest stack depth: 27544 bytes left
[   21.705209][    T1] PM: RTC time: 23:35:51, date: 2020-08-14
[   21.944647][    T1] NET: Registered protocol family 16
[   22.007930][    T1] audit: initializing netlink subsys (disabled)
[   22.043189][   T40] audit: type=2000 audit(1597448146.417:1): state=initialized audit_enabled=0 res=1
[   22.051080][    T1] thermal_sys: Registered thermal governor 'step_wise'
[   22.051080][    T1] thermal_sys: Registered thermal governor 'user_space'
[   22.131424][    T1] cpuidle: using governor menu
[   22.276794][    T1] NET: Registered protocol family 42
[   22.380872][    T1] ACPI: bus type PCI registered
[   22.445286][    T1] dca service started, version 1.12.1
[   22.515917][    T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000)
[   22.605283][    T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820
[   23.378834][    T1] PCI: Using configuration type 1 for base access
[   24.124960][  T623] kworker/u17:15 (623) used greatest stack depth: 27056 bytes left
[   24.300449][ T1199] kworker/u17:6 (1199) used greatest stack depth: 26680 bytes left
[   24.328487][    T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[   24.662025][    T1] cryptd: max_cpu_qlen set to 1000
[   25.071917][    T1] raid6: avx512x4 gen() 12631 MB/s
[   25.283125][    T1] raid6: avx512x4 xor()  4904 MB/s
[   25.461262][    T1] raid6: avx512x2 gen() 10512 MB/s
[   25.641210][    T1] raid6: avx512x2 xor()  4828 MB/s
[   25.821240][    T1] raid6: avx512x1 gen()  6860 MB/s
[   26.001209][    T1] raid6: avx512x1 xor()  2782 MB/s
[   26.181686][    T1] raid6: avx2x4   gen()  8484 MB/s
[   26.371977][    T1] raid6: avx2x4   xor()  4164 MB/s
[   26.584523][    T1] raid6: avx2x2   gen()  5047 MB/s
[   26.782035][    T1] raid6: avx2x2   xor()  2383 MB/s
[   26.991954][    T1] raid6: avx2x1   gen()  2870 MB/s
[   27.171236][    T1] raid6: avx2x1   xor()  1299 MB/s
[   27.351672][    T1] raid6: sse2x4   gen()  4120 MB/s
[   27.531257][    T1] raid6: sse2x4   xor()  2249 MB/s
[   27.711342][    T1] raid6: sse2x2   gen()  2493 MB/s
[   27.891319][    T1] raid6: sse2x2   xor()  1285 MB/s
[   28.081306][    T1] raid6: sse2x1   gen()  1838 MB/s
[   28.262742][    T1] raid6: sse2x1   xor()   728 MB/s
[   28.291205][    T1] raid6: using algorithm avx512x4 gen() 12631 MB/s
[   28.321195][    T1] raid6: .... xor() 4904 MB/s, rmw enabled
[   28.342039][    T1] raid6: using avx512x2 recovery algorithm
[   28.442071][    T1] ACPI: Added _OSI(Module Device)
[   28.471464][    T1] ACPI: Added _OSI(Processor Device)
[   28.491544][    T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[   28.511222][    T1] ACPI: Added _OSI(Processor Aggregator Device)
[   28.542067][    T1] ACPI: Added _OSI(Linux-Dell-Video)
[   28.561340][    T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[   28.581162][    T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[   28.752304][    T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[   29.021778][    T1] ACPI: Interpreter enabled
[   29.045900][    T1] ACPI: (supports S0 S3 S4 S5)
[   29.061752][    T1] ACPI: Using IOAPIC for interrupt routing
[   29.090805][    T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[   29.139762][    T1] ACPI: Enabled 3 GPEs in block 00 to 3F
[   29.482555][    T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[   29.537074][    T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
[   29.619878][    T1] acpi PNP0A08:00: _OSC: platform does not support [LTR]
[   29.665571][    T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
[   29.760471][    T1] PCI host bridge to bus 0000:00
[   29.801522][    T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced
[   29.843257][    T1] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[   29.881316][    T1] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[   29.921445][    T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[   29.991572][    T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window]
[   30.021191][    T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[   30.061529][    T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window]
[   30.111360][    T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[   30.150720][    T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000
[   30.209152][    T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000
[   30.331080][    T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref]
[   30.491080][    T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref]
[   30.611080][    T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff]
[   30.741080][    T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[   31.241080][    T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000
[   31.339450][    T1] pci 0000:00:02.0: reg 0x10: [io  0xc680-0xc69f]
[   31.430830][    T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff]
[   31.530917][    T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref]
[   31.587546][    T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref]
[   31.692204][    T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[   31.748746][    T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[   31.785307][    T1] pci 0000:00:03.0: reg 0x14: [io  0xc600-0xc63f]
[   31.874029][    T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[   31.967958][    T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100
[   31.981323][    T1] pci 0000:00:04.0: reg 0x10: [io  0xc400-0xc4ff]
[   32.034062][    T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100
[   32.048509][    T1] pci 0000:00:05.0: reg 0x10: [io  0xc000-0xc3ff]
[   32.060402][    T1] pci 0000:00:05.0: reg 0x14: [io  0xc500-0xc5ff]
[   32.110987][    T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300
[   32.117307][    T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff]
[   32.183493][    T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200
[   32.201072][    T1] pci 0000:00:07.0: reg 0x10: [io  0xc6a0-0xc6bf]
[   32.209803][    T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff]
[   32.238387][    T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref]
[   32.325230][    T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300
[   32.351586][    T1] pci 0000:00:1d.0: reg 0x20: [io  0xc6c0-0xc6df]
[   32.381955][    T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300
[   32.410358][    T1] pci 0000:00:1d.1: reg 0x20: [io  0xc6e0-0xc6ff]
[   32.428569][    T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300
[   32.448975][    T1] pci 0000:00:1d.2: reg 0x20: [io  0xc700-0xc71f]
[   32.467547][    T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320
[   32.479557][    T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff]
[   32.523503][    T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100
[   32.559286][    T1] pci 0000:00:1f.0: quirk: [io  0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO
[   32.580808][    T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601
[   32.600439][    T1] pci 0000:00:1f.2: reg 0x20: [io  0xc720-0xc73f]
[   32.606082][    T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff]
[   32.637292][    T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500
[   32.669093][    T1] pci 0000:00:1f.3: reg 0x20: [io  0x0700-0x073f]
[   32.786196][    T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[   32.800245][    T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[   32.805859][    T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[   32.815529][    T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[   32.825461][    T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11)
[   32.834535][    T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11)
[   32.844478][    T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11)
[   32.854550][    T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11)
[   32.862799][    T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16)
[   32.871851][    T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17)
[   32.881905][    T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18)
[   32.891753][    T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19)
[   32.901861][    T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20)
[   32.911725][    T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21)
[   32.921952][    T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22)
[   32.931613][    T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23)
[   33.082706][    T1] iommu: Default domain type: Translated 
[   33.121033][    T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device
[   33.121080][    T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[   33.121614][    T1] pci 0000:00:01.0: vgaarb: bridge control possible
[   33.131950][    T1] vgaarb: loaded
[   33.256736][    T1] SCSI subsystem initialized
[   33.319689][    T1] ACPI: bus type USB registered
[   33.425893][    T1] usbcore: registered new interface driver usbfs
[   33.474337][    T1] usbcore: registered new interface driver hub
[   33.521081][    T1] usbcore: registered new device driver usb
[   33.568368][    T1] mc: Linux media interface: v0.10
[   33.592536][    T1] videodev: Linux video capture interface: v2.00
[   33.630035][    T1] pps_core: LinuxPPS API ver. 1 registered
[   33.651432][    T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[   33.691766][    T1] PTP clock support registered
[   33.734735][    T1] EDAC MC: Ver: 3.0.0
[   33.809137][    T1] Advanced Linux Sound Architecture Driver Initialized.
[   33.871080][    T1] Bluetooth: Core ver 2.22
[   33.883933][    T1] NET: Registered protocol family 31
[   33.891369][    T1] Bluetooth: HCI device and connection manager initialized
[   33.904623][    T1] Bluetooth: HCI socket layer initialized
[   33.911312][    T1] Bluetooth: L2CAP socket layer initialized
[   33.921901][    T1] Bluetooth: SCO socket layer initialized
[   33.932348][    T1] NET: Registered protocol family 8
[   33.941352][    T1] NET: Registered protocol family 20
[   33.957010][    T1] NetLabel: Initializing
[   33.961222][    T1] NetLabel:  domain hash size = 128
[   33.971310][    T1] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[   33.990234][    T1] NetLabel:  unlabeled traffic allowed by default
[   34.001282][    T1] nfc: nfc_init: NFC Core ver 0.1
[   34.022905][    T1] NET: Registered protocol family 39
[   34.061080][    T1] PCI: Using ACPI for IRQ routing
[   36.768646][    T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[   36.813950][    T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[   36.896361][    T1] clocksource: Switched to clocksource kvm-clock
[   41.343241][    T1] VFS: Disk quotas dquot_6.6.0
[   41.368711][    T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[   41.450429][    T1] FS-Cache: Loaded
[   41.523870][    T1] CacheFiles: Loaded
[   41.576316][    T1] TOMOYO: 2.6.0
[   41.592972][    T1] Mandatory Access Control activated.
[   41.627544][    T1] pnp: PnP ACPI init
[   41.723759][    T1] pnp: PnP ACPI: found 6 devices
[   41.969946][    T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[   42.050424][    T1] NET: Registered protocol family 2
[   42.140910][    T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc)
[   42.187726][    T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[   42.255248][    T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc)
[   42.304414][    T1] TCP: Hash tables configured (established 16384 bind 16384)
[   42.367405][    T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc)
[   42.403675][    T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc)
[   42.474206][    T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc)
[   42.568896][    T1] NET: Registered protocol family 1
[   42.645884][    T1] RPC: Registered named UNIX socket transport module.
[   42.674553][    T1] RPC: Registered udp transport module.
[   42.700236][    T1] RPC: Registered tcp transport module.
[   42.718793][    T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[   42.774192][    T1] NET: Registered protocol family 44
[   42.796208][    T1] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[   42.846618][    T1] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[   42.890747][    T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[   42.940902][    T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window]
[   43.006370][    T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window]
[   43.065586][    T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window]
[   43.135781][    T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[   43.204118][    T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 66321 usecs
[   43.298987][    T1] PCI Interrupt Link [GSIA] enabled at IRQ 16
[   43.411847][    T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 140213 usecs
[   43.472521][    T1] PCI Interrupt Link [GSIB] enabled at IRQ 17
[   43.514706][    T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 57591 usecs
[   43.575416][    T1] PCI Interrupt Link [GSIC] enabled at IRQ 18
[   43.628429][    T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 67444 usecs
[   43.690913][    T1] PCI Interrupt Link [GSID] enabled at IRQ 19
[   43.758882][    T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 80418 usecs
[   43.808400][    T1] PCI: CLS 0 bytes, default 64
[   43.896911][    T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[   43.933609][    T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB)
[   44.005980][    T1] kvm: no hardware support
[   44.020651][    T1] has_svm: not amd or hygon
[   44.040086][    T1] kvm: no hardware support
[   44.074283][    T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns
[   44.142272][    T1] clocksource: Switched to clocksource tsc
[   44.187333][    T1] mce: Machine check injector initialized
[   44.258905][    T1] check: Scanning for low memory corruption every 60 seconds
[   45.098741][    T1] Initialise system trusted keyrings
[   45.160775][    T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0
[   45.209101][    T1] zbud: loaded
[   45.267131][    T1] DLM installed
[   45.306050][    T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[   45.379459][    T1] FS-Cache: Netfs 'nfs' registered for caching
[   45.433477][    T1] NFS: Registering the id_resolver key type
[   45.464244][    T1] Key type id_resolver registered
[   45.491378][    T1] Key type id_legacy registered
[   45.526434][    T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[   45.565145][    T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[   45.634435][    T1] FS-Cache: Netfs 'cifs' registered for caching
[   45.673696][    T1] Key type cifs.spnego registered
[   45.694557][    T1] Key type cifs.idmap registered
[   45.717491][    T1] ntfs: driver 2.1.32 [Flags: R/W].
[   45.750465][    T1] fuse: init (API version 7.31)
[   45.790031][    T1] JFS: nTxBlock = 8192, nTxLock = 65536
[   45.964629][    T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled
[   46.059842][    T1] 9p: Installing v9fs 9p2000 file system support
[   46.102279][    T1] FS-Cache: Netfs '9p' registered for caching
[   46.152734][    T1] ocfs2: Registered cluster interface o2cb
[   46.193021][    T1] ocfs2: Registered cluster interface user
[   46.243868][    T1] OCFS2 User DLM kernel interface loaded
[   46.389016][    T1] gfs2: GFS2 installed
[   46.499037][    T1] FS-Cache: Netfs 'ceph' registered for caching
[   46.548498][    T1] ceph: loaded (mds proto 32)
[   46.717992][    T1] NET: Registered protocol family 38
[   46.779617][    T1] async_tx: api initialized (async)
[   46.822827][    T1] Key type asymmetric registered
[   46.867305][    T1] Asymmetric key parser 'x509' registered
[   46.910298][    T1] Asymmetric key parser 'pkcs8' registered
[   46.957482][    T1] Key type pkcs7_test registered
[   46.995882][    T1] Asymmetric key parser 'tpm_parser' registered
[   47.053075][    T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243)
[   47.119161][    T1] io scheduler mq-deadline registered
[   47.156474][    T1] io scheduler kyber registered
[   47.209233][    T1] io scheduler bfq registered
[   47.314908][    T1] hgafb: HGA card not detected.
[   47.357267][    T1] hgafb: probe of hgafb.0 failed with error -22
[   47.426873][    T1] usbcore: registered new interface driver udlfb
[   47.554832][    T1] uvesafb: failed to execute /sbin/v86d
[   47.596909][    T1] uvesafb: make sure that the v86d helper is installed and executable
[   47.656026][    T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
[   47.730752][    T1] uvesafb: vbe_init() failed with -22
[   47.784598][    T1] uvesafb: probe of uvesafb.0 failed with error -22
[   47.872156][    T1] vga16fb: mapped to 0x00000000866a9264
[   92.036594][    T1] Console: switching to colour frame buffer device 80x30
[  131.893948][    T1] fb0: VGA16 VGA frame buffer device
[  132.002028][    T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[  132.079954][    T1] ACPI: Power Button [PWRF]
[  132.481420][  T791] ==================================================================
[  132.481420][  T791] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20
[  132.481420][  T791] Read of size 8 at addr ffffffff8a2e5c90 by task kworker/u17:20/791
[  132.481420][  T791] 
[  132.481420][  T791] CPU: 2 PID: 791 Comm: kworker/u17:20 Not tainted 5.8.0-syzkaller #0
[  132.481420][  T791] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[  132.481420][  T791] Workqueue: events_unbound async_run_entry_fn
[  132.481420][  T791] Call Trace:
[  132.481420][  T791]  dump_stack+0x18f/0x20d
[  132.481420][  T791]  ? internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  ? internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  print_address_description.constprop.0.cold+0x5/0x497
[  132.481420][  T791]  ? vprintk_func+0x97/0x1a6
[  132.481420][  T791]  ? internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  ? internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  kasan_report.cold+0x1f/0x37
[  132.481420][  T791]  ? internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  ? state_show+0xf0/0xf0
[  132.481420][  T791]  internal_create_group+0x9d8/0xb20
[  132.481420][  T791]  ? sysfs_remove_group+0x170/0x170
[  132.481420][  T791]  internal_create_groups.part.0+0x90/0x140
[  132.481420][  T791]  sysfs_create_groups+0x25/0x50
[  132.481420][  T791]  device_add+0x7fd/0x1c40
[  132.481420][  T791]  ? devlink_add_symlinks+0x450/0x450
[  132.481420][  T791]  ? lock_release+0x8e0/0x8e0
[  132.481420][  T791]  ? lock_downgrade+0x830/0x830
[  132.481420][  T791]  ? __schedule+0x88e/0x21e0
[  132.481420][  T791]  ? nd_synchronize+0x20/0x20
[  132.481420][  T791]  nd_async_device_register+0x12/0x80
[  132.481420][  T791]  async_run_entry_fn+0x121/0x530
[  132.481420][  T791]  process_one_work+0x94c/0x1670
[  132.481420][  T791]  ? lock_release+0x8e0/0x8e0
[  132.481420][  T791]  ? pwq_dec_nr_in_flight+0x2d0/0x2d0
[  132.481420][  T791]  ? rwlock_bug.part.0+0x90/0x90
[  132.481420][  T791]  worker_thread+0x64c/0x1120
[  132.481420][  T791]  ? process_one_work+0x1670/0x1670
[  132.481420][  T791]  kthread+0x3b5/0x4a0
[  132.481420][  T791]  ? __kthread_bind_mask+0xc0/0xc0
[  132.481420][  T791]  ? __kthread_bind_mask+0xc0/0xc0
[  132.481420][  T791]  ret_from_fork+0x1f/0x30
[  132.481420][  T791] 
[  132.481420][  T791] The buggy address belongs to the variable:
[  132.481420][  T791]  nvdimm_firmware_attributes+0x10/0x40
[  132.481420][  T791] 
[  132.481420][  T791] Memory state around the buggy address:
[  133.891797][  T791]  ffffffff8a2e5b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  133.891797][  T791]  ffffffff8a2e5c00: 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9 f9 f9
[  133.891797][  T791] >ffffffff8a2e5c80: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9
[  133.891797][  T791]                          ^
[  133.891797][  T791]  ffffffff8a2e5d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9
[  133.891797][  T791]  ffffffff8a2e5d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00
[  133.891797][  T791] ==================================================================
[  133.891797][  T791] Disabling lock debugging due to kernel taint
[  134.182956][  T791] Kernel panic - not syncing: panic_on_warn set ...
[  134.191499][  T791] CPU: 2 PID: 791 Comm: kworker/u17:20 Tainted: G    B             5.8.0-syzkaller #0
[  134.191499][  T791] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[  134.191499][  T791] Workqueue: events_unbound async_run_entry_fn
[  134.191499][  T791] Call Trace:
[  134.191499][  T791]  dump_stack+0x18f/0x20d
[  134.191499][  T791]  ? internal_create_group+0x970/0xb20
[  134.191499][  T791]  panic+0x2e3/0x75c
[  134.191499][  T791]  ? __warn_printk+0xf3/0xf3
[  134.191499][  T791]  ? preempt_schedule_common+0x59/0xc0
[  134.191499][  T791]  ? internal_create_group+0x9d8/0xb20
[  134.191499][  T791]  ? preempt_schedule_thunk+0x16/0x18
[  134.191499][  T791]  ? trace_hardirqs_on+0x55/0x220
[  134.191499][  T791]  ? internal_create_group+0x9d8/0xb20
[  134.191499][  T791]  ? internal_create_group+0x9d8/0xb20
[  134.191499][  T791]  end_report+0x4d/0x53
[  134.191499][  T791]  kasan_report.cold+0xd/0x37
[  134.191499][  T791]  ? internal_create_group+0x9d8/0xb20
[  134.191499][  T791]  ? state_show+0xf0/0xf0
[  134.191499][  T791]  internal_create_group+0x9d8/0xb20
[  134.191499][  T791]  ? sysfs_remove_group+0x170/0x170
[  134.191499][  T791]  internal_create_groups.part.0+0x90/0x140
[  134.191499][  T791]  sysfs_create_groups+0x25/0x50
[  134.191499][  T791]  device_add+0x7fd/0x1c40
[  134.191499][  T791]  ? devlink_add_symlinks+0x450/0x450
[  134.191499][  T791]  ? lock_release+0x8e0/0x8e0
[  134.191499][  T791]  ? lock_downgrade+0x830/0x830
[  134.191499][  T791]  ? __schedule+0x88e/0x21e0
[  134.191499][  T791]  ? nd_synchronize+0x20/0x20
[  135.352934][    C1] hrtimer: interrupt took 56076906 ns
[  134.191499][  T791]  nd_async_device_register+0x12/0x80
[  134.191499][  T791]  async_run_entry_fn+0x121/0x530
[  134.191499][  T791]  process_one_work+0x94c/0x1670
[  134.191499][  T791]  ? lock_release+0x8e0/0x8e0
[  134.191499][  T791]  ? pwq_dec_nr_in_flight+0x2d0/0x2d0
[  134.191499][  T791]  ? rwlock_bug.part.0+0x90/0x90
[  134.191499][  T791]  worker_thread+0x64c/0x1120
[  134.191499][  T791]  ? process_one_work+0x1670/0x1670
[  135.906852][  T791]  kthread+0x3b5/0x4a0
[  135.906852][  T791]  ? __kthread_bind_mask+0xc0/0xc0
[  135.906852][  T791]  ? __kthread_bind_mask+0xc0/0xc0
[  135.906852][  T791]  ret_from_fork+0x1f/0x30
[  135.906852][  T791] Kernel Offset: disabled
[  135.906852][  T791] Rebooting in 86400 seconds..