[ 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] ********************************************************** [ 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 f38e001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 6483352925 cycles [ 0.012151][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.045963][ T0] tsc: Detected 2300.000 MHz processor [ 0.074488][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.087690][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.123815][ T0] found SMP MP-table at [mem 0x000f5c90-0x000f5c9f] [ 0.136528][ T0] Using GB pages for direct mapping [ 0.148721][ T0] ACPI: Early table checksum verification disabled [ 0.160130][ T0] ACPI: RSDP 0x00000000000F5AE0 000014 (v00 BOCHS ) [ 0.170837][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.186508][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.203380][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.220836][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.231569][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.250176][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.268055][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.286054][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.305535][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.323192][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.341147][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.359257][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.369651][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.379024][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.389397][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.399470][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.409075][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.418970][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.428794][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.439199][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.452445][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.465631][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.479931][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.494979][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.517273][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.532686][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.550669][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.585201][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.866214][ T0] Zone ranges: [ 0.871816][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.883750][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.895899][ T0] Normal empty [ 0.902438][ T0] Device empty [ 0.908369][ T0] Movable zone start for each node [ 0.916622][ T0] Early memory node ranges [ 0.923785][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.943397][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.962785][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.980218][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.980244][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.023856][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 4.369007][ T0] kasan: KernelAddressSanitizer initialized [ 4.387306][ T0] ACPI: PM-Timer IO Port: 0x608 [ 4.396402][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 4.409823][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 4.423822][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 4.438572][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 4.451815][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 4.466006][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 4.479883][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 4.493841][ T0] Using ACPI (MADT) for SMP configuration information [ 4.506901][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 4.518362][ T0] TSC deadline timer available [ 4.526371][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 4.538643][ T0] kvm-guest: KVM setup pv remote TLB flush [ 4.550033][ T0] kvm-guest: setup PV sched yield [ 4.559472][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 4.575075][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 4.591724][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 4.607164][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 4.623279][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 4.636170][ T0] Booting paravirtualized kernel on KVM [ 4.647558][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 4.774209][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 4.904083][ T0] percpu: Embedded 64 pages/cpu s223688 r8192 d30264 u1048576 [ 4.919279][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 4.928719][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 4.938287][ T0] kvm-guest: PV spinlocks enabled [ 4.945604][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 4.960855][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 4.975683][ T0] Policy zone: DMA32 [ 4.983456][ 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 [ 5.022191][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 6.500133][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33284K rwdata, 38328K rodata, 3848K init, 17012K bss, 654988K reserved, 0K cma-reserved) [ 6.532850][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 6.559948][ T0] Running RCU self tests [ 6.568882][ T0] rcu: Preemptible hierarchical RCU implementation. [ 6.579663][ T0] rcu: RCU lockdep checking is enabled. [ 6.589648][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 6.600771][ T0] rcu: RCU debug extended QS entry/exit. [ 6.609940][ T0] All grace periods are expedited (rcu_expedited). [ 6.620651][ T0] Trampoline variant of Tasks RCU enabled. [ 6.629846][ T0] Tracing variant of Tasks RCU enabled. [ 6.639012][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 6.715884][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 6.732360][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 6.752067][ T0] random: crng done (trusting CPU's manufacturer) [ 6.863570][ T0] Console: colour VGA+ 80x25 [ 6.872988][ T0] printk: console [ttyS0] enabled [ 6.872988][ T0] printk: console [ttyS0] enabled [ 6.890082][ T0] printk: bootconsole [earlyser0] disabled [ 6.890082][ T0] printk: bootconsole [earlyser0] disabled [ 6.908926][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 6.922984][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 6.931313][ T0] ... MAX_LOCK_DEPTH: 48 [ 6.939074][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 6.948642][ T0] ... CLASSHASH_SIZE: 4096 [ 6.956601][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 6.966323][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 6.976015][ T0] ... CHAINHASH_SIZE: 32768 [ 6.986309][ T0] memory used by lock dependency info: 6365 kB [ 6.998355][ T0] memory used for stack traces: 4224 kB [ 7.007796][ T0] per task-struct memory footprint: 1920 bytes [ 7.018970][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 7.038664][ T0] ACPI: Core revision 20210105 [ 7.054162][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 7.074062][ T0] APIC: Switch to symmetric I/O mode setup [ 7.084136][ T0] kvm-guest: setup PV IPIs [ 7.119274][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 7.133013][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 7.155550][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 7.165690][ T0] pid_max: default: 32768 minimum: 301 [ 7.180606][ T0] LSM: Security Framework initializing [ 7.186131][ T0] Yama: becoming mindful. [ 7.196595][ T0] TOMOYO Linux initialized [ 7.206833][ T0] AppArmor: AppArmor initialized [ 7.215656][ T0] LSM support for eBPF active [ 7.266714][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 7.301186][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 7.306286][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 7.316157][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 7.356769][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 7.369274][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 7.375563][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 7.385819][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 7.395891][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 7.396036][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 7.415593][ T0] MDS: Mitigation: Clear CPU buffers [ 7.427516][ T0] Freeing SMP alternatives memory: 104K [ 7.452825][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 7.469971][ T1] Running RCU-tasks wait API self tests [ 7.586380][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 7.598090][ T1] rcu: Hierarchical SRCU implementation. [ 7.605729][ T13] Callback from call_rcu_tasks_trace() invoked. [ 7.671395][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 7.684893][ T1] smp: Bringing up secondary CPUs ... [ 7.694052][ T1] x86: Booting SMP configuration: [ 7.696210][ T1] .... node #0, CPUs: #1 [ 0.403824][ T0] kvm-clock: cpu 1, msr f38e041, secondary cpu clock [ 7.729791][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 7.735537][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 7.780367][ 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. [ 7.789347][ T1] #2 [ 0.403824][ T0] kvm-clock: cpu 2, msr f38e081, secondary cpu clock [ 7.828821][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 7.835537][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 7.848055][ T12] Callback from call_rcu_tasks() invoked. [ 7.882674][ T1] #3 [ 0.403824][ T0] kvm-clock: cpu 3, msr f38e0c1, secondary cpu clock [ 7.912333][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 7.915537][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 7.956120][ T1] smp: Brought up 2 nodes, 4 CPUs [ 7.964196][ T1] smpboot: Max logical packages: 2 [ 7.965787][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 8.007359][ T1] devtmpfs: initialized [ 8.022969][ T1] x86/mm: Memory block size: 128MB [ 8.191415][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 8.191415][ T38] kworker/u17:0 (38) used greatest stack depth: 27304 bytes left [ 8.197674][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 8.266347][ T44] kworker/u17:1 (44) used greatest stack depth: 27296 bytes left [ 8.270395][ T1] PM: RTC time: 21:41:32, date: 2021-03-13 [ 8.308854][ T1] NET: Registered protocol family 16 [ 8.353461][ T1] audit: initializing netlink subsys (disabled) [ 8.371166][ T51] audit: type=2000 audit(1615671692.256:1): state=initialized audit_enabled=0 res=1 [ 8.375537][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 8.375537][ T1] thermal_sys: Registered thermal governor 'user_space' [ 8.388464][ T1] cpuidle: using governor menu [ 8.402949][ T1] NET: Registered protocol family 42 [ 8.437681][ T1] ACPI: bus type PCI registered [ 8.460973][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 8.475608][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 9.023936][ T1] PCI: Using configuration type 1 for base access [ 9.404700][ T611] kworker/u17:0 (611) used greatest stack depth: 27000 bytes left [ 9.890934][ T5] ------------[ cut here ]------------ [ 9.895924][ T5] raw_local_irq_restore() called with IRQs enabled [ 9.905751][ T5] WARNING: CPU: 0 PID: 5 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 9.915617][ T5] Modules linked in: [ 9.922734][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.12.0-rc2-syzkaller #0 [ 9.925650][ T5] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 9.935650][ T5] Workqueue: events free_work [ 9.944747][ T5] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 9.945604][ T5] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 5c 28 ac 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 4b 28 ac 04 01 e8 0d d2 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 9.955638][ T5] RSP: 0000:ffffc9000036faf8 EFLAGS: 00010286 [ 9.965603][ T5] RAX: 0000000000000000 RBX: ffffffff8c0872e0 RCX: 0000000000000000 [ 9.975610][ T5] RDX: ffff888010bf0000 RSI: ffffffff815c0d65 RDI: fffff5200006df51 [ 9.985612][ T5] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 9.995598][ T5] R10: ffffffff815b9afe R11: 0000000000000000 R12: 0000000000000003 [ 10.005626][ T5] R13: fffffbfff1810e5c R14: 0000000000000001 R15: ffff88802ca35f40 [ 10.015656][ T5] FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 [ 10.026011][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.035641][ T5] CR2: ffff888010401000 CR3: 000000000bc8e000 CR4: 0000000000150ef0 [ 10.045639][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.055611][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.065596][ T5] Call Trace: [ 10.071860][ T5] kvm_wait+0xc9/0xe0 [ 10.075591][ T5] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 10.084983][ T5] ? pv_hash+0x100/0x100 [ 10.085588][ T5] ? lock_release+0x720/0x720 [ 10.091700][ T5] do_raw_spin_lock+0x200/0x2b0 [ 10.095610][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 10.102154][ T5] __vunmap+0x66/0xb60 [ 10.105611][ T5] free_work+0x58/0x70 [ 10.112511][ T5] process_one_work+0x98d/0x1600 [ 10.115633][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 10.123734][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 10.125682][ T5] ? _raw_spin_lock_irq+0x41/0x50 [ 10.134532][ T5] worker_thread+0x64c/0x1120 [ 10.135630][ T5] ? process_one_work+0x1600/0x1600 [ 10.145263][ T5] kthread+0x3b1/0x4a0 [ 10.145620][ T5] ? __kthread_bind_mask+0xc0/0xc0 [ 10.154789][ T5] ret_from_fork+0x1f/0x30 [ 10.155646][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 10.165311][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.12.0-rc2-syzkaller #0 [ 10.165537][ T5] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 10.165537][ T5] Workqueue: events free_work [ 10.165537][ T5] Call Trace: [ 10.165537][ T5] dump_stack+0x141/0x1d7 [ 10.165537][ T5] panic+0x306/0x73d [ 10.165537][ T5] ? __warn_printk+0xf3/0xf3 [ 10.165537][ T5] ? __warn.cold+0x1a/0x44 [ 10.165537][ T5] ? warn_bogus_irq_restore+0x1d/0x20 [ 10.165537][ T5] __warn.cold+0x35/0x44 [ 10.165537][ T5] ? wake_up_klogd.part.0+0x8e/0xd0 [ 10.165537][ T5] ? warn_bogus_irq_restore+0x1d/0x20 [ 10.165537][ T5] report_bug+0x1bd/0x210 [ 10.165537][ T5] handle_bug+0x3c/0x60 [ 10.165537][ T5] exc_invalid_op+0x14/0x40 [ 10.165537][ T5] asm_exc_invalid_op+0x12/0x20 [ 10.165537][ T5] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 10.165537][ T5] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 5c 28 ac 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 4b 28 ac 04 01 e8 0d d2 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 10.165537][ T5] RSP: 0000:ffffc9000036faf8 EFLAGS: 00010286 [ 10.165537][ T5] RAX: 0000000000000000 RBX: ffffffff8c0872e0 RCX: 0000000000000000 [ 10.165537][ T5] RDX: ffff888010bf0000 RSI: ffffffff815c0d65 RDI: fffff5200006df51 [ 10.165537][ T5] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 10.165537][ T5] R10: ffffffff815b9afe R11: 0000000000000000 R12: 0000000000000003 [ 10.165537][ T5] R13: fffffbfff1810e5c R14: 0000000000000001 R15: ffff88802ca35f40 [ 10.165537][ T5] ? wake_up_klogd.part.0+0x8e/0xd0 [ 10.165537][ T5] ? vprintk_func+0x95/0x1e0 [ 10.165537][ T5] ? warn_bogus_irq_restore+0x1d/0x20 [ 10.165537][ T5] kvm_wait+0xc9/0xe0 [ 10.165537][ T5] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 10.165537][ T5] ? pv_hash+0x100/0x100 [ 10.165537][ T5] ? lock_release+0x720/0x720 [ 10.165537][ T5] do_raw_spin_lock+0x200/0x2b0 [ 10.165537][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 10.165537][ T5] __vunmap+0x66/0xb60 [ 10.165537][ T5] free_work+0x58/0x70 [ 10.165537][ T5] process_one_work+0x98d/0x1600 [ 10.165537][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 10.165537][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 10.165537][ T5] ? _raw_spin_lock_irq+0x41/0x50 [ 10.165537][ T5] worker_thread+0x64c/0x1120 [ 10.165537][ T5] ? process_one_work+0x1600/0x1600 [ 10.165537][ T5] kthread+0x3b1/0x4a0 [ 10.165537][ T5] ? __kthread_bind_mask+0xc0/0xc0 [ 10.165537][ T5] ret_from_fork+0x1f/0x30 [ 10.165537][ T5] Dumping ftrace buffer: [ 10.165537][ T5] (ftrace buffer empty) [ 10.165537][ T5] Rebooting in 1 seconds.. [ 10.165537][ T5] ACPI MEMORY or I/O RESET_REG.