[ 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 f389001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 32145406175 cycles [ 0.012900][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.047926][ T0] tsc: Detected 2300.000 MHz processor [ 0.081789][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.096067][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.135985][ T0] found SMP MP-table at [mem 0x000f5c90-0x000f5c9f] [ 0.156087][ T0] Using GB pages for direct mapping [ 0.170739][ T0] ACPI: Early table checksum verification disabled [ 0.184389][ T0] ACPI: RSDP 0x00000000000F5AE0 000014 (v00 BOCHS ) [ 0.198154][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.217410][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.237753][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.257374][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.268079][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.287297][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.305558][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.324684][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.345646][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.365292][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.384861][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.412971][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.424608][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.435417][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.446198][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.456710][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.467838][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.478623][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.490093][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.500776][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.516465][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.530837][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.549955][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.566572][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.589743][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.606883][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.628133][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.667430][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.056378][ T0] Zone ranges: [ 1.068569][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.088845][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.106312][ T0] Normal empty [ 1.116371][ T0] Device empty [ 1.125382][ T0] Movable zone start for each node [ 1.143943][ T0] Early memory node ranges [ 1.152361][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.169808][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.187643][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.204369][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.204398][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.263427][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 14.949784][ T0] kasan: KernelAddressSanitizer initialized [ 14.971468][ T0] ACPI: PM-Timer IO Port: 0x608 [ 14.980541][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 14.993728][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 15.005813][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 15.015451][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 15.027012][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 15.039938][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 15.053233][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 15.065993][ T0] Using ACPI (MADT) for SMP configuration information [ 15.076848][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 15.088373][ T0] TSC deadline timer available [ 15.096350][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 15.106070][ T0] kvm-guest: KVM setup pv remote TLB flush [ 15.116607][ T0] kvm-guest: setup PV sched yield [ 15.125414][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 15.139751][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 15.155915][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 15.168615][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 15.182084][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 15.191663][ T0] Booting paravirtualized kernel on KVM [ 15.200438][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 15.546971][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 15.727618][ T0] percpu: Embedded 64 pages/cpu s223688 r8192 d30264 u1048576 [ 15.742473][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 15.751304][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 15.760296][ T0] kvm-guest: PV spinlocks enabled [ 15.768935][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 15.784785][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 15.799248][ T0] Policy zone: DMA32 [ 15.806133][ 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 [ 15.928689][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 18.534181][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33279K rwdata, 38316K rodata, 3848K init, 17032K bss, 654988K reserved, 0K cma-reserved) [ 18.561405][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 18.596276][ T0] Running RCU self tests [ 18.604063][ T0] rcu: Preemptible hierarchical RCU implementation. [ 18.613931][ T0] rcu: RCU lockdep checking is enabled. [ 18.622347][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 18.631864][ T0] rcu: RCU debug extended QS entry/exit. [ 18.640355][ T0] All grace periods are expedited (rcu_expedited). [ 18.649345][ T0] Trampoline variant of Tasks RCU enabled. [ 18.657241][ T0] Tracing variant of Tasks RCU enabled. [ 18.665025][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 18.809190][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 18.829162][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 18.846811][ T0] random: crng done (trusting CPU's manufacturer) [ 18.951491][ T0] Console: colour VGA+ 80x25 [ 18.962103][ T0] printk: console [ttyS0] enabled [ 18.962103][ T0] printk: console [ttyS0] enabled [ 18.977810][ T0] printk: bootconsole [earlyser0] disabled [ 18.977810][ T0] printk: bootconsole [earlyser0] disabled [ 18.993738][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 19.006607][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 19.013450][ T0] ... MAX_LOCK_DEPTH: 48 [ 19.020644][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 19.027516][ T0] ... CLASSHASH_SIZE: 4096 [ 19.034087][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 19.040968][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 19.048886][ T0] ... CHAINHASH_SIZE: 32768 [ 19.056893][ T0] memory used by lock dependency info: 6365 kB [ 19.066111][ T0] memory used for stack traces: 4224 kB [ 19.075071][ T0] per task-struct memory footprint: 1920 bytes [ 19.083540][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 19.103897][ T0] ACPI: Core revision 20210105 [ 19.115679][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 19.137538][ T0] APIC: Switch to symmetric I/O mode setup [ 19.144990][ T0] kvm-guest: setup PV IPIs [ 19.181751][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 19.193349][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 19.213626][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 19.223883][ T0] pid_max: default: 32768 minimum: 301 [ 19.236624][ T0] LSM: Security Framework initializing [ 19.244749][ T0] Yama: becoming mindful. [ 19.255505][ T0] TOMOYO Linux initialized [ 19.274062][ T0] AppArmor: AppArmor initialized [ 19.281129][ T0] LSM support for eBPF active [ 19.335571][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 19.371125][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 19.374859][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 19.384058][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 19.453363][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 19.475799][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 19.483297][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 19.493719][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 19.503647][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 19.503778][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 19.523327][ T0] MDS: Mitigation: Clear CPU buffers [ 19.568592][ T0] Freeing SMP alternatives memory: 104K [ 19.595861][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 19.621765][ T1] Running RCU-tasks wait API self tests [ 19.743878][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 19.758839][ T1] rcu: Hierarchical SRCU implementation. [ 19.763457][ T13] Callback from call_rcu_tasks_trace() invoked. [ 19.911007][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 19.925157][ T1] smp: Bringing up secondary CPUs ... [ 19.941757][ T1] x86: Booting SMP configuration: [ 19.943514][ T1] .... node #0, CPUs: #1 [ 19.963419][ T12] Callback from call_rcu_tasks() invoked. [ 0.357373][ T0] kvm-clock: cpu 1, msr f389041, secondary cpu clock [ 19.988649][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 19.992405][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 20.005802][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 20.020471][ T1] #2 [ 0.357373][ T0] kvm-clock: cpu 2, msr f389081, secondary cpu clock [ 20.046037][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 20.053278][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 20.071764][ T1] #3 [ 0.357373][ T0] kvm-clock: cpu 3, msr f3890c1, secondary cpu clock [ 20.104104][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 20.111305][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 20.129123][ T1] smp: Brought up 2 nodes, 4 CPUs [ 20.133428][ T1] smpboot: Max logical packages: 2 [ 20.143359][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 20.199775][ T1] devtmpfs: initialized [ 20.215456][ T1] x86/mm: Memory block size: 128MB [ 21.274559][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 21.300532][ T40] kworker/u17:0 (40) used greatest stack depth: 27832 bytes left [ 21.303278][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 21.339830][ T41] kworker/u17:1 (41) used greatest stack depth: 27304 bytes left [ 21.343803][ T42] ------------[ cut here ]------------ [ 21.363350][ T42] raw_local_irq_restore() called with IRQs enabled [ 21.373387][ T1] PM: RTC time: 20:34:54, date: 2021-03-12 [ 21.381489][ T42] WARNING: CPU: 2 PID: 42 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 21.393440][ T42] Modules linked in: [ 21.401697][ T42] CPU: 2 PID: 42 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 21.404322][ T42] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 21.424058][ T42] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 21.430721][ T1] NET: Registered protocol family 16 [ 21.433331][ T42] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 7c 52 ad 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 6b 52 ad 04 01 e8 3d d3 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 21.457970][ T1] audit: initializing netlink subsys (disabled) [ 21.473357][ T42] RSP: 0000:ffffc90000677c58 EFLAGS: 00010282 [ 21.513313][ T50] audit: type=2000 audit(1615581294.621:1): state=initialized audit_enabled=0 res=1 [ 21.513328][ T42] RAX: 0000000000000000 RBX: ffffffff8be289a0 RCX: 0000000000000000 [ 21.543278][ T42] RDX: ffff888011351bc0 RSI: ffffffff815c0d25 RDI: fffff520000cef7d [ 21.543375][ T42] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 21.555855][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 21.553336][ T42] R10: ffffffff815b9abe R11: 0000000000000000 R12: 0000000000000003 [ 21.563278][ T1] thermal_sys: Registered thermal governor 'user_space' [ 21.583338][ T42] R13: fffffbfff17c5134 R14: 0000000000000001 R15: ffff88802cc35f40 [ 21.613351][ T42] FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 [ 21.623392][ T42] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.633406][ T42] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 21.643390][ T42] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.663371][ T42] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.673353][ T42] Call Trace: [ 21.679756][ T42] kvm_wait+0xc9/0xe0 [ 21.684046][ T42] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 21.693360][ T42] ? pv_hash+0x100/0x100 [ 21.700457][ T42] ? lock_release+0x720/0x720 [ 21.713418][ T42] do_raw_spin_lock+0x200/0x2b0 [ 21.721747][ T42] ? rwlock_bug.part.0+0x90/0x90 [ 21.733392][ T42] do_exit+0x1d05/0x2a60 [ 21.741965][ T42] ? slab_free_freelist_hook+0x92/0x210 [ 21.752487][ T42] ? mm_update_next_owner+0x7a0/0x7a0 [ 21.753345][ T42] ? kfree+0xe5/0x7f0 [ 21.759547][ T42] ? umh_complete+0x7b/0x90 [ 21.763342][ T42] ? putname+0xe1/0x120 [ 21.770585][ T42] call_usermodehelper_exec_async+0x413/0x580 [ 21.783455][ T42] ? umh_complete+0x90/0x90 [ 21.791508][ T42] ret_from_fork+0x1f/0x30 [ 21.801494][ T42] Kernel panic - not syncing: panic_on_warn set ... [ 21.803278][ T42] CPU: 2 PID: 42 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 21.803278][ T42] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 21.803278][ T42] Call Trace: [ 21.803278][ T42] dump_stack+0x141/0x1d7 [ 21.803278][ T42] panic+0x306/0x73d [ 21.803278][ T42] ? __warn_printk+0xf3/0xf3 [ 21.803278][ T42] ? __warn.cold+0x1a/0x44 [ 21.803278][ T42] ? warn_bogus_irq_restore+0x1d/0x20 [ 21.803278][ T42] __warn.cold+0x35/0x44 [ 21.803278][ T42] ? wake_up_klogd.part.0+0x8e/0xd0 [ 21.803278][ T42] ? warn_bogus_irq_restore+0x1d/0x20 [ 21.803278][ T42] report_bug+0x1bd/0x210 [ 21.803278][ T42] handle_bug+0x3c/0x60 [ 21.803278][ T42] exc_invalid_op+0x14/0x40 [ 21.803278][ T42] asm_exc_invalid_op+0x12/0x20 [ 21.803278][ T42] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 21.803278][ T42] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 7c 52 ad 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 6b 52 ad 04 01 e8 3d d3 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 21.803278][ T42] RSP: 0000:ffffc90000677c58 EFLAGS: 00010282 [ 21.803278][ T42] RAX: 0000000000000000 RBX: ffffffff8be289a0 RCX: 0000000000000000 [ 21.803278][ T42] RDX: ffff888011351bc0 RSI: ffffffff815c0d25 RDI: fffff520000cef7d [ 21.803278][ T42] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 21.803278][ T42] R10: ffffffff815b9abe R11: 0000000000000000 R12: 0000000000000003 [ 21.803278][ T42] R13: fffffbfff17c5134 R14: 0000000000000001 R15: ffff88802cc35f40 [ 21.803278][ T42] ? wake_up_klogd.part.0+0x8e/0xd0 [ 21.803278][ T42] ? vprintk_func+0x95/0x1e0 [ 21.803278][ T42] ? warn_bogus_irq_restore+0x1d/0x20 [ 21.803278][ T42] kvm_wait+0xc9/0xe0 [ 21.803278][ T42] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 21.803278][ T42] ? pv_hash+0x100/0x100 [ 21.803278][ T42] ? lock_release+0x720/0x720 [ 21.803278][ T42] do_raw_spin_lock+0x200/0x2b0 [ 21.803278][ T42] ? rwlock_bug.part.0+0x90/0x90 [ 21.803278][ T42] do_exit+0x1d05/0x2a60 [ 21.803278][ T42] ? slab_free_freelist_hook+0x92/0x210 [ 21.803278][ T42] ? mm_update_next_owner+0x7a0/0x7a0 [ 21.803278][ T42] ? kfree+0xe5/0x7f0 [ 21.803278][ T42] ? umh_complete+0x7b/0x90 [ 22.173514][ T42] ? putname+0xe1/0x120 [ 22.173514][ T42] call_usermodehelper_exec_async+0x413/0x580 [ 22.173514][ T42] ? umh_complete+0x90/0x90 [ 22.173514][ T42] ret_from_fork+0x1f/0x30 [ 22.173514][ T42] Dumping ftrace buffer: [ 22.173514][ T42] (ftrace buffer empty) [ 22.173514][ T42] Rebooting in 1 seconds.. [ 22.173514][ T42] ACPI MEMORY or I/O RESET_REG.