[    0.000000][    T0] Linux version 5.12.0-rc2-syzkaller (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP PREEMPT now
[    0.000000][    T0] Command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/sda console=ttyS0 kvm-intel.nested=1 kvm-intel.unrestricted_guest=1 kvm-intel.vmm_exclusive=1 kvm-intel.fasteoi=1 kvm-intel.ept=1 kvm-intel.flexpriority=1 kvm-intel.vpid=1 kvm-intel.emulate_invalid_guest_state=1 kvm-intel.eptad=1 kvm-intel.enable_shadow_vmcs=1 kvm-intel.pml=1 kvm-intel.enable_apicv=1 root=/dev/sda1
[    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 0x0000000000100000-0x000000007ffdcfff] 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] 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 2.8 present.
[    0.000000][    T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
[    0.000000][    T0] Hypervisor detected: KVM
[    0.000000][    T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000][    T0] kvm-clock: cpu 0, msr f3a9001, primary cpu clock
[    0.000001][    T0] kvm-clock: using sched offset of 2460971855 cycles
[    0.006658][    T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.026284][    T0] tsc: Detected 2300.000 MHz processor
[    0.042066][    T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000
[    0.049486][    T0] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
[    0.070862][    T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f]
[    0.077983][    T0] Using GB pages for direct mapping
[    0.084560][    T0] ACPI: Early table checksum verification disabled
[    0.091624][    T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS )
[    0.098722][    T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.108507][    T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.118121][    T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.128169][    T0] ACPI: FACS 0x000000007FFDF000 000040
[    0.134049][    T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.143594][    T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.153306][    T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS  BXPCSRAT 00000001 BXPC 00000001)
[    0.162843][    T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS  BXPCMCFG 00000001 BXPC 00000001)
[    0.172500][    T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS  NVDIMM   00000001 BXPC 00000001)
[    0.182170][    T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS  BXPCNFIT 00000001 BXPC 00000001)
[    0.192008][    T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS  BXPCWAET 00000001 BXPC 00000001)
[    0.202288][    T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[    0.207837][    T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[    0.213365][    T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0
[    0.218984][    T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0
[    0.224955][    T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0
[    0.230359][    T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0
[    0.235795][    T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0
[    0.241245][    T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0
[    0.246855][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[    0.254023][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff]
[    0.261169][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile
[    0.269661][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug
[    0.277575][    T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff]
[    0.289129][    T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB)
[    0.297812][    T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB)
[    0.307268][    T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff]
[    0.325961][    T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff]
[    0.365798][    T0] Zone ranges:
[    0.369287][    T0]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.376661][    T0]   DMA32    [mem 0x0000000001000000-0x000000007ffdcfff]
[    0.383838][    T0]   Normal   empty
[    0.387634][    T0]   Device   empty
[    0.391418][    T0] Movable zone start for each node
[    0.396958][    T0] Early memory node ranges
[    0.401637][    T0]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.409042][    T0]   node   0: [mem 0x0000000000100000-0x000000003fffffff]
[    0.416309][    T0]   node   1: [mem 0x0000000040000000-0x000000007ffdcfff]
[    0.423620][    T0] Zeroed struct page in unavailable ranges: 133 pages
[    0.423634][    T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff]
[    0.447534][    T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff]
[    0.857365][    T0] kasan: KernelAddressSanitizer initialized
[    0.869298][    T0] ACPI: PM-Timer IO Port: 0x608
[    0.874438][    T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.881816][    T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.890018][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.897591][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.906095][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.915093][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.924402][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.933292][    T0] Using ACPI (MADT) for SMP configuration information
[    0.941229][    T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    0.948623][    T0] TSC deadline timer available
[    0.954355][    T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs
[    0.961303][    T0] kvm-guest: KVM setup pv remote TLB flush
[    0.968201][    T0] kvm-guest: setup PV sched yield
[    0.974382][    T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[    0.984323][    T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[    0.994054][    T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[    1.003937][    T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[    1.014420][    T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[    1.022698][    T0] Booting paravirtualized kernel on KVM
[    1.029133][    T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    1.101851][    T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2
[    1.129092][    T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576
[    1.139055][    T0] kvm-guest: KVM setup async PF for cpu 0
[    1.145980][    T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440
[    1.153236][    T0] kvm-guest: PV spinlocks enabled
[    1.159090][    T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[    1.169309][    T0] Built 2 zonelists, mobility grouping on.  Total pages: 515942
[    1.178610][    T0] Policy zone: DMA32
[    1.183334][    T0] Kernel command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 watchdog_thresh=55 workqueue.watchdog_thresh=140 panic_on_warn=1 earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/sda console=ttyS0 kvm-intel.nested=1 kvm-intel.unrestricted_guest=1 kvm-intel.vmm_exclusive=1 kvm-intel.fasteoi=1 kvm-intel.ept=1 kvm-intel.flexpriority=1 kvm-intel.vpid=1
[    1.191657][    T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[    1.573884][    T0] Memory: 1441376K/2096620K available (135201K kernel code, 33365K rwdata, 38300K rodata, 3868K init, 16904K bss, 654988K reserved, 0K cma-reserved)
[    1.596395][    T0] Running RCU self tests
[    1.600760][    T0] rcu: Preemptible hierarchical RCU implementation.
[    1.607595][    T0] rcu: 	RCU lockdep checking is enabled.
[    1.612917][    T0] rcu: 	RCU callback double-/use-after-free debug enabled.
[    1.619786][    T0] rcu: 	RCU debug extended QS entry/exit.
[    1.625402][    T0] 	All grace periods are expedited (rcu_expedited).
[    1.631821][    T0] 	Trampoline variant of Tasks RCU enabled.
[    1.637491][    T0] 	Tracing variant of Tasks RCU enabled.
[    1.642933][    T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    1.678298][    T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16
[    1.687209][    T0] kfence: initialized - using 2097152 bytes for 255 objects at 0x(____ptrval____)-0x(____ptrval____)
[    1.698558][    T0] random: crng done (trusting CPU's manufacturer)
[    1.758172][    T0] Console: colour VGA+ 80x25
[    1.763594][    T0] printk: console [ttyS0] enabled
[    1.763594][    T0] printk: console [ttyS0] enabled
[    1.773604][    T0] printk: bootconsole [earlyser0] disabled
[    1.773604][    T0] printk: bootconsole [earlyser0] disabled
[    1.785431][    T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    1.794728][    T0] ... MAX_LOCKDEP_SUBCLASSES:  8
[    1.799541][    T0] ... MAX_LOCK_DEPTH:          48
[    1.804669][    T0] ... MAX_LOCKDEP_KEYS:        8192
[    1.809795][    T0] ... CLASSHASH_SIZE:          4096
[    1.814959][    T0] ... MAX_LOCKDEP_ENTRIES:     32768
[    1.820196][    T0] ... MAX_LOCKDEP_CHAINS:      65536
[    1.825373][    T0] ... CHAINHASH_SIZE:          32768
[    1.830511][    T0]  memory used by lock dependency info: 6365 kB
[    1.836660][    T0]  memory used for stack traces: 4224 kB
[    1.842225][    T0]  per task-struct memory footprint: 1920 bytes
[    1.848873][    T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[    1.861362][    T0] ACPI: Core revision 20210105
[    1.868800][    T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    1.880998][    T0] APIC: Switch to symmetric I/O mode setup
[    1.887639][    T0] kvm-guest: setup PV IPIs
[    1.908002][    T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    1.916114][    T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns
[    1.929078][    T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000)
[    1.939085][    T0] pid_max: default: 32768 minimum: 301
[    1.950360][    T0] LSM: Security Framework initializing
[    1.959324][    T0] Yama: becoming mindful.
[    1.964554][    T0] TOMOYO Linux initialized
[    1.969166][    T0] SELinux:  Initializing.
[    1.980541][    T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc)
[    1.993789][    T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[    1.999481][    T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[    2.009194][    T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[    2.032836][    T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated
[    2.040493][    T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    2.046655][    T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    2.049158][    T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[    2.059142][    T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available!
[    2.059220][    T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[    2.079095][    T0] MDS: Mitigation: Clear CPU buffers
[    2.090156][    T0] Freeing SMP alternatives memory: 104K
[    2.097228][    T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    2.104984][    T1] Running RCU-tasks wait API self tests
[    2.219370][    T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    2.230457][    T1] rcu: Hierarchical SRCU implementation.
[    2.239224][   T13] Callback from call_rcu_tasks_trace() invoked.
[    2.248217][    T1] NMI watchdog: Perf NMI watchdog permanently disabled
[    2.251772][    T1] smp: Bringing up secondary CPUs ...
[    2.264035][    T1] x86: Booting SMP configuration:
[    2.269201][    T1] .... node  #0, CPUs:      #1
[    0.222272][    T0] kvm-clock: cpu 1, msr f3a9041, secondary cpu clock
[    2.293915][   T18] kvm-guest: KVM setup async PF for cpu 1
[    2.298110][   T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440
[    2.310057][    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.
[    2.326062][    T1]  #2
[    0.222272][    T0] kvm-clock: cpu 2, msr f3a9081, secondary cpu clock
[    2.340474][   T23] kvm-guest: KVM setup async PF for cpu 2
[    2.344987][   T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440
[    2.353927][    T1]  #3
[    0.222272][    T0] kvm-clock: cpu 3, msr f3a90c1, secondary cpu clock
[    2.372171][   T28] kvm-guest: KVM setup async PF for cpu 3
[    2.375115][   T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440
[    2.379911][    T1] smp: Brought up 2 nodes, 4 CPUs
[    2.389128][    T1] smpboot: Max logical packages: 2
[    2.394755][    T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS)
[    2.403109][    T1] devtmpfs: initialized
[    2.410144][    T1] x86/mm: Memory block size: 128MB
[    2.451961][    T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    2.451961][   T37] kworker/u17:0 (37) used greatest stack depth: 27520 bytes left
[    2.460147][    T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc)
[    2.469266][   T12] Callback from call_rcu_tasks() invoked.
[    2.481602][    T1] PM: RTC time: 16:27:36, date: 2021-03-09
[    2.494627][    T1] NET: Registered protocol family 16
[    2.510743][    T1] audit: initializing netlink subsys (disabled)
[    2.530352][   T49] audit: type=2000 audit(1615307257.431:1): state=initialized audit_enabled=0 res=1
[    2.536963][    T1] thermal_sys: Registered thermal governor 'step_wise'
[    2.538826][    T1] thermal_sys: Registered thermal governor 'user_space'
[    2.551752][    T1] cpuidle: using governor menu
[    2.559297][    T1] NET: Registered protocol family 42
[    2.572237][    T1] ACPI: bus type PCI registered
[    2.580643][    T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000)
[    2.599190][    T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820
[    2.701686][    T1] PCI: Using configuration type 1 for base access
[    2.738084][  T159] kworker/u17:3 (159) used greatest stack depth: 27368 bytes left
[    2.739068][  T163] ------------[ cut here ]------------
[    2.741045][  T163] raw_local_irq_restore() called with IRQs enabled
[    2.751270][  T163] WARNING: CPU: 2 PID: 163 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20
[    2.767173][  T163] Modules linked in:
[    2.767173][  T163] CPU: 2 PID: 163 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0
[    2.782055][  T163] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
[    2.789164][  T163] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20
[    2.795485][  T163] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d a1 eb ad 04 00 74 01 c3 48 c7 c7 20 79 6b 89 c6 05 90 eb ad 04 01 e8 45 59 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48
[    2.819162][  T163] RSP: 0000:ffffc90000d07c58 EFLAGS: 00010282
[    2.826653][  T163] RAX: 0000000000000000 RBX: ffffffff8be25ee0 RCX: 0000000000000000
[    2.839120][  T163] RDX: ffff888012e34400 RSI: ffffffff815b4435 RDI: fffff520001a0f7d
[    2.849146][  T163] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
[    2.859211][  T163] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003
[    2.873356][  T163] R13: fffffbfff17c4bdc R14: 0000000000000001 R15: ffff88802cc36000
[    2.889166][  T163] FS:  0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
[    2.899165][  T163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.908785][  T163] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0
[    2.919220][  T163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    2.929133][  T163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    2.949197][  T163] Call Trace:
[    2.953736][  T163]  kvm_wait+0xc9/0xe0
[    2.959123][  T163]  __pv_queued_spin_lock_slowpath+0x8b8/0xb40
[    2.969173][  T163]  ? pv_hash+0x100/0x100
[    2.976316][  T163]  ? lock_release+0x720/0x720
[    2.979151][  T163]  do_raw_spin_lock+0x200/0x2b0
[    2.986068][  T163]  ? rwlock_bug.part.0+0x90/0x90
[    2.999146][  T163]  do_exit+0x1d05/0x2a60
[    3.004574][  T163]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
[    3.009199][  T163]  ? mm_update_next_owner+0x7a0/0x7a0
[    3.018525][  T163]  ? kfree+0x1d7/0x2b0
[    3.019137][  T163]  ? lockdep_hardirqs_on+0x79/0x100
[    3.039169][  T163]  call_usermodehelper_exec_async+0x413/0x580
[    3.040559][  T774] kworker/u17:1 (774) used greatest stack depth: 27328 bytes left
[    3.049125][  T163]  ? umh_complete+0x90/0x90
[    3.059127][  T163]  ret_from_fork+0x1f/0x30
[    3.065087][  T163] Kernel panic - not syncing: panic_on_warn set ...
[    3.081778][  T163] CPU: 2 PID: 163 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0
[    3.091579][  T163] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
[    3.091579][  T163] Call Trace:
[    3.091579][  T163]  dump_stack+0x141/0x1d7
[    3.091579][  T163]  panic+0x306/0x73d
[    3.091579][  T163]  ? __warn_printk+0xf3/0xf3
[    3.129218][  T163]  ? __warn.cold+0x1a/0x44
[    3.129218][  T163]  ? warn_bogus_irq_restore+0x1d/0x20
[    3.129218][  T163]  __warn.cold+0x35/0x44
[    3.129218][  T163]  ? wake_up_klogd.part.0+0x8e/0xd0
[    3.159124][  T163]  ? warn_bogus_irq_restore+0x1d/0x20
[    3.161044][  T163]  report_bug+0x1bd/0x210
[    3.161044][  T163]  handle_bug+0x3c/0x60
[    3.161044][  T163]  exc_invalid_op+0x14/0x40
[    3.161044][  T163]  asm_exc_invalid_op+0x12/0x20
[    3.161044][  T163] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20
[    3.194737][  T163] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d a1 eb ad 04 00 74 01 c3 48 c7 c7 20 79 6b 89 c6 05 90 eb ad 04 01 e8 45 59 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48
[    3.199128][  T163] RSP: 0000:ffffc90000d07c58 EFLAGS: 00010282
[    3.223254][  T163] RAX: 0000000000000000 RBX: ffffffff8be25ee0 RCX: 0000000000000000
[    3.223254][  T163] RDX: ffff888012e34400 RSI: ffffffff815b4435 RDI: fffff520001a0f7d
[    3.223254][  T163] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
[    3.259105][  T163] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003
[    3.269110][  T163] R13: fffffbfff17c4bdc R14: 0000000000000001 R15: ffff88802cc36000
[    3.270232][  T163]  ? wake_up_klogd.part.0+0x8e/0xd0
[    3.270232][  T163]  ? vprintk_func+0x95/0x1e0
[    3.270232][  T163]  ? warn_bogus_irq_restore+0x1d/0x20
[    3.289132][  T163]  kvm_wait+0xc9/0xe0
[    3.289132][  T163]  __pv_queued_spin_lock_slowpath+0x8b8/0xb40
[    3.289132][  T163]  ? pv_hash+0x100/0x100
[    3.289132][  T163]  ? lock_release+0x720/0x720
[    3.289132][  T163]  do_raw_spin_lock+0x200/0x2b0
[    3.289132][  T163]  ? rwlock_bug.part.0+0x90/0x90
[    3.289132][  T163]  do_exit+0x1d05/0x2a60
[    3.289132][  T163]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
[    3.289132][  T163]  ? mm_update_next_owner+0x7a0/0x7a0
[    3.289132][  T163]  ? kfree+0x1d7/0x2b0
[    3.289132][  T163]  ? lockdep_hardirqs_on+0x79/0x100
[    3.289132][  T163]  call_usermodehelper_exec_async+0x413/0x580
[    3.289132][  T163]  ? umh_complete+0x90/0x90
[    3.289132][  T163]  ret_from_fork+0x1f/0x30
[    3.289132][  T163] Dumping ftrace buffer:
[    3.289132][  T163]    (ftrace buffer empty)
[    3.289132][  T163] Rebooting in 1 seconds..
[    3.289132][  T163] ACPI MEMORY or I/O RESET_REG.