[ 0.000000] Linux version 4.14.187-syzkaller (syzkaller@syzkaller) (gcc version 10.1.0-syz 20200507 (GCC)) #0 SMP PREEMPT now [ 0.000000] 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 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 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] nopcid: PCID feature disabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] tsc: Using PIT calibration value [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2370-0x000f237f] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F20F0 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFFE00 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.000000] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.000000] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.000000] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.000000] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 2:1fff7001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 2796005317 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Device empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.000000] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.000000] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.000000] percpu: Embedded 54 pages/cpu s183496 r8192 d29496 u1048576 [ 0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes) [ 0.000000] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.000000] Policy zone: Normal [ 0.000000] 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 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 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Memory: 6504864K/7863916K available (90140K kernel code, 13570K rwdata, 16896K rodata, 2756K init, 23472K bss, 1359052K reserved, 0K cma-reserved) [ 0.010000] Running RCU self tests [ 0.010000] Preemptible hierarchical RCU implementation. [ 0.010000] RCU lockdep checking is enabled. [ 0.010000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.010000] RCU callback double-/use-after-free debug enabled. [ 0.010000] RCU debug extended QS entry/exit. [ 0.010000] Tasks RCU enabled. [ 0.010000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.010000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.010000] Console: colour VGA+ 80x25 [ 0.010000] console [ttyS0] enabled [ 0.010000] console [ttyS0] enabled [ 0.010000] bootconsole [earlyser0] disabled [ 0.010000] bootconsole [earlyser0] disabled [ 0.010000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.010000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.010000] ... MAX_LOCK_DEPTH: 48 [ 0.010000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.010000] ... CLASSHASH_SIZE: 4096 [ 0.010000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.010000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.010000] ... CHAINHASH_SIZE: 32768 [ 0.010000] memory used by lock dependency info: 7391 kB [ 0.010000] per task-struct memory footprint: 1920 bytes [ 0.010000] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.010000] tsc: Detected 2300.000 MHz processor [ 0.010000] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 0.010000] pid_max: default: 32768 minimum: 301 [ 0.010000] ACPI: Core revision 20170728 [ 0.050790] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.052522] Security Framework initialized [ 0.053249] Yama: becoming mindful. [ 0.054548] SELinux: Initializing. [ 0.055636] AppArmor: AppArmor disabled by boot time parameter [ 0.061633] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.065752] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.067255] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.068276] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.072894] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.073756] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.074664] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.075941] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 0.075959] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 0.078509] MDS: Mitigation: Clear CPU buffers [ 0.079768] Freeing SMP alternatives memory: 92K [ 0.082741] smpboot: Max logical packages: 2 [ 0.084033] x2apic enabled [ 0.086074] Switched APIC routing to physical x2apic. [ 0.090000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.201947] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.240094] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.260025] Hierarchical SRCU implementation. [ 0.280243] NMI watchdog: Perf event create on CPU 0 failed with -2 [ 0.281456] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.320034] smp: Bringing up secondary CPUs ... [ 0.402383] x86: Booting SMP configuration: [ 0.403455] .... node #0, CPUs: #1 [ 0.010000] kvm-clock: cpu 1, msr 2:1fff7041, secondary cpu clock [ 0.405752] 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. [ 0.405752] smp: Brought up 2 nodes, 2 CPUs [ 0.405752] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 0.412882] devtmpfs: initialized [ 0.412882] x86/mm: Memory block size: 128MB [ 0.435985] random: get_random_u32 called from bucket_table_alloc+0x269/0x5d0 with crng_init=0 [ 0.437407] evm: security.selinux [ 0.437888] evm: security.SMACK64 [ 0.438432] evm: security.SMACK64EXEC [ 0.438945] evm: security.SMACK64TRANSMUTE [ 0.439515] evm: security.SMACK64MMAP [ 0.440012] evm: security.ima [ 0.440436] evm: security.capability [ 0.450084] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.451490] futex hash table entries: 512 (order: 4, 65536 bytes) [ 0.453152] xor: automatically using best checksumming function avx [ 0.454483] RTC time: 18:43:51, date: 07/06/20 [ 0.455448] kworker/u4:0 (26) used greatest stack depth: 28264 bytes left [ 0.455448] NET: Registered protocol family 16 [ 0.462220] kworker/u4:0 (37) used greatest stack depth: 27960 bytes left [ 0.463887] cpuidle: using governor menu [ 0.466312] ACPI: bus type PCI registered [ 0.468357] dca service started, version 1.12.1 [ 0.470278] PCI: Using configuration type 1 for base access [ 0.542452] kworker/u4:3 (256) used greatest stack depth: 27280 bytes left [ 0.771542] WARNING: workqueue cpumask: online intersect > possible intersect [ 0.772117] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.772117] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.950024] raid6: sse2x1 gen() 5472 MB/s [ 1.120281] raid6: sse2x1 xor() 2935 MB/s [ 1.290041] raid6: sse2x2 gen() 8209 MB/s [ 1.454265] raid6: sse2x2 xor() 4621 MB/s [ 1.624253] raid6: sse2x4 gen() 10536 MB/s [ 1.794254] raid6: sse2x4 xor() 5998 MB/s [ 1.964253] raid6: avx2x1 gen() 10870 MB/s [ 2.140043] raid6: avx2x1 xor() 5666 MB/s [ 2.304263] raid6: avx2x2 gen() 16030 MB/s [ 2.474264] raid6: avx2x2 xor() 8294 MB/s [ 2.644256] raid6: avx2x4 gen() 19937 MB/s [ 2.814258] raid6: avx2x4 xor() 11674 MB/s [ 2.815087] raid6: using algorithm avx2x4 gen() 19937 MB/s [ 2.815847] raid6: .... xor() 11674 MB/s, rmw enabled [ 2.816574] raid6: using avx2x2 recovery algorithm [ 2.820615] ACPI: Added _OSI(Module Device) [ 2.820615] ACPI: Added _OSI(Processor Device) [ 2.820615] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.820615] ACPI: Added _OSI(Processor Aggregator Device) [ 2.822227] ACPI: Executed 2 blocks of module-level executable AML code [ 2.880500] ACPI: Interpreter enabled [ 2.881426] ACPI: (supports S0 S3 S4 S5) [ 2.881990] ACPI: Using IOAPIC for interrupt routing [ 2.882897] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.886556] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.982563] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.983749] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 2.985038] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 2.986143] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.993958] PCI host bridge to bus 0000:00 [ 3.000171] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.000212] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.000212] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.000212] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.000212] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.034529] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.137015] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.141210] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.145214] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.149673] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.152037] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.162585] vgaarb: loaded [ 3.170528] SCSI subsystem initialized [ 3.171488] ACPI: bus type USB registered [ 3.171642] usbcore: registered new interface driver usbfs [ 3.171642] usbcore: registered new interface driver hub [ 3.172078] usbcore: registered new device driver usb [ 3.173769] media: Linux media interface: v0.10 [ 3.180295] Linux video capture interface: v2.00 [ 3.180437] pps_core: LinuxPPS API ver. 1 registered [ 3.180437] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.180437] PTP clock support registered [ 3.180592] EDAC MC: Ver: 3.0.0 [ 3.220779] Advanced Linux Sound Architecture Driver Initialized. [ 3.222132] PCI: Using ACPI for IRQ routing [ 3.224614] Bluetooth: Core ver 2.22 [ 3.224614] NET: Registered protocol family 31 [ 3.224614] Bluetooth: HCI device and connection manager initialized [ 3.224614] Bluetooth: HCI socket layer initialized [ 3.224852] Bluetooth: L2CAP socket layer initialized [ 3.225669] Bluetooth: SCO socket layer initialized [ 3.226418] NET: Registered protocol family 8 [ 3.227037] NET: Registered protocol family 20 [ 3.240267] NetLabel: Initializing [ 3.240894] NetLabel: domain hash size = 128 [ 3.241613] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.242695] NetLabel: unlabeled traffic allowed by default [ 3.250189] nfc: nfc_init: NFC Core ver 0.1 [ 3.250397] NET: Registered protocol family 39 [ 3.251401] clocksource: Switched to clocksource kvm-clock [ 3.665888] VFS: Disk quotas dquot_6.6.0 [ 3.666738] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.668548] FS-Cache: Loaded [ 3.669910] CacheFiles: Loaded [ 3.670792] pnp: PnP ACPI init [ 3.683498] pnp: PnP ACPI: found 7 devices [ 3.727493] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.731817] NET: Registered protocol family 2 [ 3.734646] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 3.738425] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 3.743353] TCP: Hash tables configured (established 65536 bind 65536) [ 3.752175] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 3.753802] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 3.756941] NET: Registered protocol family 1 [ 3.759125] RPC: Registered named UNIX socket transport module. [ 3.761005] RPC: Registered udp transport module. [ 3.762068] RPC: Registered tcp transport module. [ 3.762819] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.763777] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.766227] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.767200] software IO TLB: mapped [mem 0xaaa00000-0xaea00000] (64MB) [ 3.770214] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 10737418240 ms ovfl timer [ 3.772552] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 3.773404] RAPL PMU: hw unit of domain package 2^-0 Joules [ 3.774176] RAPL PMU: hw unit of domain dram 2^-0 Joules [ 3.776077] RAPL PMU: hw unit of domain pp1-gpu 2^-0 Joules [ 3.776901] ------------[ cut here ]------------ [ 3.777638] WARNING: CPU: 1 PID: 1 at arch/x86/kvm/mmu.c:284 kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.779313] Kernel panic - not syncing: panic_on_warn set ... [ 3.779313] [ 3.780149] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.14.187-syzkaller #0 [ 3.780149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3.780149] Call Trace: [ 3.780149] dump_stack+0x1b2/0x283 [ 3.780149] panic+0x1f9/0x42d [ 3.780149] ? add_taint.cold+0x16/0x16 [ 3.780149] ? kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.780149] ? kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.780149] __warn.cold+0x20/0x4b [ 3.780149] ? ist_end_non_atomic+0x10/0x10 [ 3.780149] ? kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.780149] report_bug+0x208/0x249 [ 3.780149] do_error_trap+0x195/0x2d0 [ 3.780149] ? math_error+0x2d0/0x2d0 [ 3.780149] ? pcpu_next_md_free_region+0x1c/0x2e0 [ 3.780149] ? pcpu_chunk_refresh_hint+0x315/0x420 [ 3.780149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3.780149] invalid_op+0x1b/0x40 [ 3.780149] RIP: 0010:kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.780149] RSP: 0000:ffff8880a9807c98 EFLAGS: 00010297 [ 3.780149] RAX: ffff8880aa3fe040 RBX: 0008000000000001 RCX: 00000000ffffff45 [ 3.780149] RDX: 0000000000000000 RSI: 0008000000000001 RDI: 0008000000000001 [ 3.780149] RBP: 0008000000000001 R08: 0000000000000001 R09: ffffe8ffffd12cc8 [ 3.780149] R10: ffffe8ffffd12de7 R11: 0000000000000000 R12: 00000000000000fb [ 3.780149] R13: 00000000fffffffb R14: 0000000000000000 R15: 0000000000000000 [ 3.780149] ? kvm_mmu_set_mmio_spte_mask+0x79/0x80 [ 3.780149] kvm_mmu_module_init+0x36d/0x650 [ 3.780149] ? kvm_mmu_invalidate_mmio_sptes+0x40/0x40 [ 3.780149] ? pcpu_alloc+0x8f/0xf50 [ 3.780149] kvm_arch_init+0xa0/0x1f0 [ 3.780149] kvm_init+0x66/0x510 [ 3.780149] ? kvm_sched_in+0x80/0x80 [ 3.780149] ? x86_match_cpu+0x27b/0x460 [ 3.780149] ? vmx_check_processor_compat+0x15a/0x15a [ 3.780149] vmx_init+0x28/0x2aa [ 3.780149] ? vmx_check_processor_compat+0x15a/0x15a [ 3.780149] do_one_initcall+0x88/0x202 [ 3.780149] ? initcall_blacklisted+0x150/0x150 [ 3.780149] ? parameq+0x100/0x100 [ 3.780149] ? lock_downgrade+0x740/0x740 [ 3.780149] kernel_init_freeable+0x558/0x619 [ 3.780149] ? rest_init+0x2a3/0x2a3 [ 3.780149] kernel_init+0xd/0x15b [ 3.780149] ret_from_fork+0x24/0x30 [ 3.780149] Rebooting in 86400 seconds..