[ 0.000000][ T0] Linux version 5.12.0-rc3-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] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 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 f394001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 5596684934 cycles [ 0.016915][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.056416][ T0] tsc: Detected 2300.000 MHz processor [ 0.086577][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.101594][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.143494][ T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f] [ 0.159283][ T0] Using GB pages for direct mapping [ 0.174120][ T0] ACPI: Early table checksum verification disabled [ 0.186819][ T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS ) [ 0.201651][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.221092][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.241384][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.265704][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.285870][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.320224][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.343653][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.366444][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.386655][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.408491][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.432844][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.455585][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.466500][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.477145][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.488002][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.498727][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.510821][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.521740][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.532704][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.544664][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.558872][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.573134][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.590347][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.605734][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.633362][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.654563][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.676483][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.723350][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.106242][ T0] Zone ranges: [ 1.114762][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.130104][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.145155][ T0] Normal empty [ 1.154201][ T0] Device empty [ 1.162676][ T0] Movable zone start for each node [ 1.174839][ T0] Early memory node ranges [ 1.184702][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.199577][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.214729][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.231169][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.253596][ T0] DMA zone: 28770 pages in unavailable ranges [ 1.283770][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.316954][ T0] DMA32 zone: 35 pages in unavailable ranges [ 3.036379][ T0] kasan: KernelAddressSanitizer initialized [ 3.051830][ T0] ACPI: PM-Timer IO Port: 0x608 [ 3.058720][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 3.071851][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 3.081854][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 3.093732][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 3.104107][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 3.113752][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 3.127210][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 3.139365][ T0] Using ACPI (MADT) for SMP configuration information [ 3.148094][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 3.157315][ T0] TSC deadline timer available [ 3.164325][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 3.172739][ T0] kvm-guest: KVM setup pv remote TLB flush [ 3.180590][ T0] kvm-guest: setup PV sched yield [ 3.188095][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 3.200175][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 3.211959][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 3.223152][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 3.233806][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 3.242318][ T0] Booting paravirtualized kernel on KVM [ 3.250439][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.346247][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 3.387187][ T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576 [ 3.400106][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 3.410847][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 3.419819][ T0] kvm-guest: PV spinlocks enabled [ 3.427554][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 3.438999][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 3.451194][ T0] Policy zone: DMA32 [ 3.457671][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 dummy_hcd.num=8 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 kvm-intel.emulate_invali [ 3.475002][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 4.119453][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33272K rwdata, 38268K rodata, 3868K init, 16988K bss, 654988K reserved, 0K cma-reserved) [ 4.151539][ T0] Running RCU self tests [ 4.157738][ T0] rcu: Preemptible hierarchical RCU implementation. [ 4.167834][ T0] rcu: RCU lockdep checking is enabled. [ 4.175842][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 4.185955][ T0] rcu: RCU debug extended QS entry/exit. [ 4.193988][ T0] All grace periods are expedited (rcu_expedited). [ 4.203276][ T0] Trampoline variant of Tasks RCU enabled. [ 4.211599][ T0] Tracing variant of Tasks RCU enabled. [ 4.219196][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 4.263659][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 4.274181][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 4.292827][ T0] random: crng done (trusting CPU's manufacturer) [ 4.368496][ T0] Console: colour VGA+ 80x25 [ 4.375703][ T0] printk: console [ttyS0] enabled [ 4.375703][ T0] printk: console [ttyS0] enabled [ 4.391145][ T0] printk: bootconsole [earlyser0] disabled [ 4.391145][ T0] printk: bootconsole [earlyser0] disabled [ 4.407257][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 4.419541][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 4.425655][ T0] ... MAX_LOCK_DEPTH: 48 [ 4.431442][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 4.437595][ T0] ... CLASSHASH_SIZE: 4096 [ 4.446104][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 4.453303][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 4.460166][ T0] ... CHAINHASH_SIZE: 32768 [ 4.466553][ T0] memory used by lock dependency info: 6365 kB [ 4.474797][ T0] memory used for stack traces: 4224 kB [ 4.482484][ T0] per task-struct memory footprint: 1920 bytes [ 4.491001][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 4.507894][ T0] ACPI: Core revision 20210105 [ 4.516288][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 4.532437][ T0] APIC: Switch to symmetric I/O mode setup [ 4.541552][ T0] kvm-guest: setup PV IPIs [ 4.567417][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 4.577393][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 4.592291][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 4.602306][ T0] pid_max: default: 32768 minimum: 301 [ 4.612281][ T0] LSM: Security Framework initializing [ 4.612644][ T0] Yama: becoming mindful. [ 4.622686][ T0] TOMOYO Linux initialized [ 4.632355][ T0] SELinux: Initializing. [ 4.648553][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 4.664823][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.672838][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.682499][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.704731][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 4.715055][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 4.722297][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 4.732377][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 4.742401][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 4.742501][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 4.762313][ T0] MDS: Mitigation: Clear CPU buffers [ 4.773623][ T0] Freeing SMP alternatives memory: 104K [ 4.784269][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 4.798154][ T1] Running RCU-tasks wait API self tests [ 4.912711][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 4.924678][ T1] rcu: Hierarchical SRCU implementation. [ 4.932552][ T13] Callback from call_rcu_tasks_trace() invoked. [ 4.954968][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.967691][ T1] smp: Bringing up secondary CPUs ... [ 4.986783][ T1] x86: Booting SMP configuration: [ 4.992483][ T1] .... node #0, CPUs: #1 [ 0.298668][ T0] kvm-clock: cpu 1, msr f394041, secondary cpu clock [ 5.020741][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 5.022281][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 5.042412][ 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. [ 5.068546][ T1] #2 [ 0.298668][ T0] kvm-clock: cpu 2, msr f394081, secondary cpu clock [ 5.090559][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 5.090559][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 5.124120][ T1] #3 [ 0.298668][ T0] kvm-clock: cpu 3, msr f3940c1, secondary cpu clock [ 5.145911][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 5.152281][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 5.162336][ T12] Callback from call_rcu_tasks() invoked. [ 5.173737][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.182465][ T1] smpboot: Max logical packages: 2 [ 5.191134][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 5.204446][ T1] devtmpfs: initialized [ 5.213880][ T1] x86/mm: Memory block size: 128MB [ 5.298767][ T37] kworker/u17:1 (37) used greatest stack depth: 27520 bytes left [ 5.313025][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.333915][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.369715][ T1] PM: RTC time: 22:17:30, date: 2021-03-14 [ 5.386687][ T1] NET: Registered protocol family 16 [ 5.406843][ T1] audit: initializing netlink subsys (disabled) [ 5.425470][ T50] audit: type=2000 audit(1615760250.095:1): state=initialized audit_enabled=0 res=1 [ 5.434572][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.434572][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.443389][ T1] cpuidle: using governor menu [ 5.452281][ T1] NET: Registered protocol family 42 [ 5.452281][ T1] ACPI: bus type PCI registered [ 5.463031][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.482417][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 5.662281][ T1] PCI: Using configuration type 1 for base access [ 5.749734][ T97] kworker/u17:0 (97) used greatest stack depth: 27096 bytes left [ 6.095921][ T838] kworker/u17:6 (838) used greatest stack depth: 26408 bytes left [ 6.462461][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 6.474880][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 6.582563][ T1] cryptd: max_cpu_qlen set to 1000 [ 6.714259][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 6.722479][ T1] raid6: using avx2x2 recovery algorithm [ 6.743109][ T1] ACPI: Added _OSI(Module Device) [ 6.750469][ T1] ACPI: Added _OSI(Processor Device) [ 6.757879][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 6.762500][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 6.787123][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 6.792423][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 6.800844][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 6.935894][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 7.023350][ T1] ACPI: Interpreter enabled [ 7.030148][ T1] ACPI: (supports S0 S3 S4 S5) [ 7.032439][ T1] ACPI: Using IOAPIC for interrupt routing [ 7.043285][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 7.056253][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 7.292922][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 7.312499][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 7.330419][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 7.348082][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 7.364974][ T1] PCI host bridge to bus 0000:00 [ 7.372341][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 7.382431][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 7.392437][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 7.402542][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 7.412387][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 7.422439][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 7.442402][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 7.452391][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 7.463656][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 7.483639][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 7.509913][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 7.552281][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 7.573523][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 7.604475][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 7.644329][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 [ 7.666392][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 7.676402][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfeba0000-0xfebbffff] [ 7.695612][ T1] pci 0000:00:02.0: reg 0x18: [io 0xc080-0xc09f] [ 7.704382][ T1] pci 0000:00:02.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 7.732363][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 7.753277][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 [ 7.764295][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 7.782980][ T1] pci 0000:00:03.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 7.806440][ T1] pci 0000:00:04.0: [1af4:1009] type 00 class 0x000200 [ 7.826557][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc0c0-0xc0df] [ 7.840004][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 7.865330][ T1] pci 0000:00:04.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 7.892286][ T1] pci 0000:00:05.0: [8086:100e] type 00 class 0x020000 [ 7.905174][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 7.914153][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc000-0xc03f] [ 7.929303][ T1] pci 0000:00:05.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 7.951959][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 7.961789][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc0e0-0xc0ff] [ 7.983304][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 8.004685][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc100-0xc11f] [ 8.023013][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 8.042450][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc120-0xc13f] [ 8.070324][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 8.074544][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf6000-0xfebf6fff] [ 8.113310][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 8.127945][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 8.137255][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 8.152340][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc140-0xc15f] [ 8.163107][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf7000-0xfebf7fff] [ 8.182434][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 8.200485][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 8.253202][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 8.265124][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 8.276399][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 8.296178][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 8.304982][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 8.321550][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 8.326487][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 8.346612][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 8.353543][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 8.362974][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 8.373062][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 8.381949][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 8.392824][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 8.402180][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 8.402987][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 8.411115][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 8.463873][ T1] iommu: Default domain type: Translated [ 8.476770][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 8.482281][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 8.492538][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 8.501697][ T1] vgaarb: loaded [ 8.542281][ T1] SCSI subsystem initialized [ 8.556097][ T1] ACPI: bus type USB registered [ 8.567275][ T1] usbcore: registered new interface driver usbfs [ 8.574232][ T1] usbcore: registered new interface driver hub [ 8.586279][ T1] usbcore: registered new device driver usb [ 8.597033][ T1] mc: Linux media interface: v0.10 [ 8.603219][ T1] videodev: Linux video capture interface: v2.00 [ 8.621446][ T1] pps_core: LinuxPPS API ver. 1 registered [ 8.622522][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 8.632774][ T1] PTP clock support registered [ 8.645011][ T1] EDAC MC: Ver: 3.0.0 [ 8.663898][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 8.682281][ T1] Bluetooth: Core ver 2.22 [ 8.682281][ T1] NET: Registered protocol family 31 [ 8.682281][ T1] Bluetooth: HCI device and connection manager initialized [ 8.692914][ T1] Bluetooth: HCI socket layer initialized [ 8.702480][ T1] Bluetooth: L2CAP socket layer initialized [ 8.710912][ T1] Bluetooth: SCO socket layer initialized [ 8.712852][ T1] NET: Registered protocol family 8 [ 8.719674][ T1] NET: Registered protocol family 20 [ 8.733579][ T1] NetLabel: Initializing [ 8.739814][ T1] NetLabel: domain hash size = 128 [ 8.742347][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 8.753095][ T1] NetLabel: unlabeled traffic allowed by default [ 8.773871][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 8.791949][ T1] NET: Registered protocol family 39 [ 8.802956][ T1] PCI: Using ACPI for IRQ routing [ 9.682744][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 9.690761][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 9.729994][ T1] clocksource: Switched to clocksource kvm-clock [ 10.980775][ T1] VFS: Disk quotas dquot_6.6.0 [ 10.988679][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 11.002996][ T1] FS-Cache: Loaded [ 11.014720][ T1] CacheFiles: Loaded [ 11.022710][ T1] TOMOYO: 2.6.0 [ 11.028883][ T1] Mandatory Access Control activated. [ 11.040534][ T1] pnp: PnP ACPI init [ 11.085060][ T1] pnp: PnP ACPI: found 6 devices [ 11.189774][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 11.215240][ T1] NET: Registered protocol family 2 [ 11.234448][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 11.252455][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 11.270318][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 11.285435][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 11.301626][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 11.316993][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 11.330524][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 11.347397][ T1] NET: Registered protocol family 1 [ 11.368543][ T1] RPC: Registered named UNIX socket transport module. [ 11.382710][ T1] RPC: Registered udp transport module. [ 11.393517][ T1] RPC: Registered tcp transport module. [ 11.404917][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 11.430546][ T1] NET: Registered protocol family 44 [ 11.465936][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 11.476561][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 11.491305][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 11.504233][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 11.516036][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 11.529411][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 11.543228][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 11.558156][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 14915 usecs [ 11.603630][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 11.640738][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1250 took 68342 usecs [ 11.681015][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 11.718209][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1250 took 61852 usecs [ 11.759742][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 11.825847][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1250 took 91533 usecs [ 11.868577][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 11.916567][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1250 took 71056 usecs [ 11.946100][ T1] PCI: CLS 0 bytes, default 64 [ 11.978391][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 11.992624][ T1] software IO TLB: mapped [mem 0x000000007a000000-0x000000007e000000] (64MB) [ 12.023640][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 12.614166][ T1] kvm: already loaded the other module [ 12.628419][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 12.665492][ T1] clocksource: Switched to clocksource tsc [ 15.614669][ T1] Initialise system trusted keyrings [ 15.633778][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 15.659074][ T1] zbud: loaded [ 15.679864][ T1] DLM installed [ 15.694374][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 15.721583][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 15.740404][ T1] NFS: Registering the id_resolver key type [ 15.751185][ T1] Key type id_resolver registered [ 15.761973][ T1] Key type id_legacy registered [ 15.778076][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 15.789338][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 15.801074][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 15.827190][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 15.850007][ T1] Key type cifs.spnego registered [ 15.859450][ T1] Key type cifs.idmap registered [ 15.867676][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 15.879311][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 15.887479][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 15.904701][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 15.913661][ T1] QNX4 filesystem 0.2.3 registered. [ 15.921872][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 15.932146][ T1] fuse: init (API version 7.33) [ 15.947455][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 15.965348][ T1] orangefs_init: module version upstream loaded [ 15.977940][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 16.087628][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 16.121377][ T1] 9p: Installing v9fs 9p2000 file system support [ 16.130811][ T1] FS-Cache: Netfs '9p' registered for caching [ 16.141225][ T1] NILFS version 2 loaded [ 16.147499][ T1] befs: version: 0.9.3 [ 16.155772][ T1] ocfs2: Registered cluster interface o2cb [ 16.168673][ T1] ocfs2: Registered cluster interface user [ 16.179208][ T1] OCFS2 User DLM kernel interface loaded [ 16.247118][ T1] gfs2: GFS2 installed [ 16.295976][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 16.306525][ T1] ceph: loaded (mds proto 32) [ 16.354103][ T1] NET: Registered protocol family 38 [ 16.368690][ T1] xor: automatically using best checksumming function avx [ 16.383247][ T1] async_tx: api initialized (async) [ 16.392029][ T1] Key type asymmetric registered [ 16.402623][ T1] Asymmetric key parser 'x509' registered [ 16.411269][ T1] Asymmetric key parser 'pkcs8' registered [ 16.420507][ T1] Key type pkcs7_test registered [ 16.428689][ T1] Asymmetric key parser 'tpm_parser' registered [ 16.440034][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 241) [ 16.454464][ T1] io scheduler mq-deadline registered [ 16.461729][ T1] io scheduler kyber registered [ 16.471878][ T1] io scheduler bfq registered [ 16.518078][ T1] usbcore: registered new interface driver udlfb [ 16.531822][ T1] usbcore: registered new interface driver smscufx [ 16.551276][ T1] uvesafb: failed to execute /sbin/v86d [ 16.562211][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 16.578367][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 16.592218][ T1] uvesafb: vbe_init() failed with -22 [ 16.601514][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 16.614614][ T1] vga16fb: mapped to 0xffff8880000a0000 [ 26.869347][ T1] Console: switching to colour frame buffer device 80x30 [ 37.927943][ T1] fb0: VGA16 VGA frame buffer device [ 37.943066][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 37.960690][ T1] ACPI: button: Power Button [PWRF] [ 38.269996][ T1] PCI Interrupt Link [GSIF] enabled at IRQ 21 [ 38.308535][ T1] PCI Interrupt Link [GSIH] enabled at IRQ 23 [ 38.360816][ T1] PCI Interrupt Link [GSIE] enabled at IRQ 20 [ 39.186332][ T1] N_HDLC line discipline registered with maxframe=4096 [ 39.200426][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 39.204760][ T36] ------------[ cut here ]------------ [ 39.234053][ T36] raw_local_irq_restore() called with IRQs enabled [ 39.240796][ T1] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 39.251492][ T36] WARNING: CPU: 1 PID: 36 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 39.282931][ T36] Modules linked in: [ 39.289317][ T36] CPU: 1 PID: 36 Comm: kworker/u17:1 Not tainted 5.12.0-rc3-syzkaller #0 [ 39.303708][ T36] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 39.318280][ T36] Workqueue: events_unbound call_usermodehelper_exec_work [ 39.330213][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 39.338459][ T1] Initializing Nozomi driver 2.1d [ 39.340421][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 22 ca ab 04 00 74 01 c3 48 c7 c7 60 79 6b 89 c6 05 11 ca ab 04 01 e8 81 bc be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 39.371793][ T1] Non-volatile memory driver v1.3 [ 39.382513][ T36] RSP: 0000:ffffc90000607770 EFLAGS: 00010286 [ 39.402650][ T36] RAX: 0000000000000000 RBX: ffffffff8c0e4d68 RCX: 0000000000000000 [ 39.413811][ T1] Linux agpgart interface v0.103 [ 39.416027][ T36] RDX: ffff88801161a1c0 RSI: ffffffff815b4085 RDI: fffff520000c0ee0 [ 39.434495][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 39.435853][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 39.457506][ T36] R10: ffffffff815acdee R11: 0000000000000000 R12: 0000000000000003 [ 39.460139][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 39.469917][ T36] R13: fffffbfff181c9ad R14: 0000000000000001 R15: ffff88802cb36000 [ 39.495236][ T36] FS: 0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 [ 39.508573][ T36] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.519841][ T36] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 39.532420][ T36] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.543349][ T36] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.555649][ T36] Call Trace: [ 39.555665][ T36] kvm_wait+0xc9/0xe0 [ 39.555873][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 39.555949][ T36] ? pv_hash+0x100/0x100 [ 39.555978][ T36] ? lock_release+0x720/0x720 [ 39.556006][ T36] do_raw_spin_lock+0x200/0x2b0 [ 39.556037][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 39.556067][ T36] ? lockdep_init_map_type+0x2c3/0x7b0 [ 39.556097][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.561084][ T1] platform vkms: [drm] fb1: vkmsdrmfb frame buffer device [ 39.567312][ T36] copy_fs_struct+0x1c8/0x340 [ 39.608337][ T1] usbcore: registered new interface driver udl [ 39.612539][ T36] ? copy_process+0x2003/0x7080 [ 39.638878][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 39.644727][ T36] copy_process+0x4e7b/0x7080 [ 39.659088][ T36] ? __cleanup_sighand+0xb0/0xb0 [ 39.677775][ T36] ? is_dynamic_key+0x1a0/0x1a0 [ 39.691434][ T36] ? finish_task_switch.isra.0+0x158/0x7e0 [ 39.698021][ T1] fb0: switching to virtiodrmfb from VGA16 VGA [ 39.705897][ T36] ? kernel_clone+0xc4/0xab0 [ 39.705927][ T36] kernel_clone+0xe7/0xab0 [ 39.754994][ T36] ? __lock_acquire+0x16b3/0x54c0 [ 39.755063][ T36] ? create_io_thread+0x190/0x190 [ 39.755094][ T36] ? finish_task_switch.isra.0+0x122/0x7e0 [ 39.755123][ T36] ? __switch_to+0x57c/0x1090 [ 39.755222][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 39.755248][ T36] ? umh_complete+0x90/0x90 [ 39.755279][ T36] kernel_thread+0xb5/0xf0 [ 39.755300][ T36] ? __do_sys_clone3+0x2f0/0x2f0 [ 39.755321][ T36] ? umh_complete+0x90/0x90 [ 39.755344][ T36] call_usermodehelper_exec_work+0xcc/0x180 [ 39.755375][ T36] process_one_work+0x98d/0x1600 [ 39.755400][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 39.755429][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 39.755453][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 39.755493][ T36] worker_thread+0x64c/0x1120 [ 39.755516][ T36] ? process_one_work+0x1600/0x1600 [ 39.755537][ T36] kthread+0x3b1/0x4a0 [ 39.755572][ T36] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 39.755609][ T36] ret_from_fork+0x1f/0x30 [ 39.755678][ T36] Kernel panic - not syncing: panic_on_warn set ... [ 39.755714][ T36] CPU: 1 PID: 36 Comm: kworker/u17:1 Not tainted 5.12.0-rc3-syzkaller #0 [ 39.755746][ T36] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 39.755761][ T36] Workqueue: events_unbound call_usermodehelper_exec_work [ 39.755803][ T36] Call Trace: [ 39.755822][ T36] dump_stack+0x141/0x1d7 [ 39.755931][ T36] panic+0x306/0x73d [ 39.755975][ T36] ? __warn_printk+0xf3/0xf3 [ 39.756002][ T36] ? __warn.cold+0x1a/0x44 [ 39.756026][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 39.756055][ T36] __warn.cold+0x35/0x44 [ 39.756079][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 39.756111][ T36] report_bug+0x1bd/0x210 [ 39.756266][ T36] handle_bug+0x3c/0x60 [ 39.756282][ T36] exc_invalid_op+0x14/0x40 [ 39.756298][ T36] asm_exc_invalid_op+0x12/0x20 [ 39.756320][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 39.756341][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 22 ca ab 04 00 74 01 c3 48 c7 c7 60 79 6b 89 c6 05 11 ca ab 04 01 e8 81 bc be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 39.756368][ T36] RSP: 0000:ffffc90000607770 EFLAGS: 00010286 [ 39.756385][ T36] RAX: 0000000000000000 RBX: ffffffff8c0e4d68 RCX: 0000000000000000 [ 39.756397][ T36] RDX: ffff88801161a1c0 RSI: ffffffff815b4085 RDI: fffff520000c0ee0 [ 39.756409][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 39.756420][ T36] R10: ffffffff815acdee R11: 0000000000000000 R12: 0000000000000003 [ 39.756432][ T36] R13: fffffbfff181c9ad R14: 0000000000000001 R15: ffff88802cb36000 [ 39.756444][ T36] ? wake_up_klogd.part.0+0x8e/0xd0 [ 39.756471][ T36] ? vprintk_func+0x95/0x1e0 [ 39.756489][ T36] kvm_wait+0xc9/0xe0 [ 39.756505][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 39.756526][ T36] ? pv_hash+0x100/0x100 [ 39.756543][ T36] ? lock_release+0x720/0x720 [ 39.756559][ T36] do_raw_spin_lock+0x200/0x2b0 [ 39.756578][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 39.756596][ T36] ? lockdep_init_map_type+0x2c3/0x7b0 [ 39.756614][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.756633][ T36] copy_fs_struct+0x1c8/0x340 [ 39.756652][ T36] ? copy_process+0x2003/0x7080 [ 39.756669][ T36] copy_process+0x4e7b/0x7080 [ 39.756686][ T36] ? __cleanup_sighand+0xb0/0xb0 [ 39.756703][ T36] ? is_dynamic_key+0x1a0/0x1a0 [ 39.756720][ T36] ? finish_task_switch.isra.0+0x158/0x7e0 [ 39.756739][ T36] ? kernel_clone+0xc4/0xab0 [ 39.756754][ T36] kernel_clone+0xe7/0xab0 [ 39.756770][ T36] ? __lock_acquire+0x16b3/0x54c0 [ 39.756787][ T36] ? create_io_thread+0x190/0x190 [ 39.756804][ T36] ? finish_task_switch.isra.0+0x122/0x7e0 [ 39.756835][ T36] ? __switch_to+0x57c/0x1090 [ 39.756855][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 39.756874][ T36] ? umh_complete+0x90/0x90 [ 39.756893][ T36] kernel_thread+0xb5/0xf0 [ 39.756909][ T36] ? __do_sys_clone3+0x2f0/0x2f0 [ 39.756925][ T36] ? umh_complete+0x90/0x90 [ 39.756944][ T36] call_usermodehelper_exec_work+0xcc/0x180 [ 39.756966][ T36] process_one_work+0x98d/0x1600 [ 39.756983][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 39.757000][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 39.757018][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 39.757036][ T36] worker_thread+0x64c/0x1120 [ 39.757053][ T36] ? process_one_work+0x1600/0x1600 [ 39.757069][ T36] kthread+0x3b1/0x4a0 [ 39.757088][ T36] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 39.757109][ T36] ret_from_fork+0x1f/0x30 [ 39.758676][ T36] Dumping ftrace buffer: [ 39.758922][ T36] (ftrace buffer empty) [ 39.758946][ T36] Kernel Offset: disabled [ 39.764852][ T36] Rebooting in 1 seconds.. [ 39.764852][ T36] ACPI MEMORY or I/O RESET_REG.