[ 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 f38b001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 4024606471 cycles [ 0.010719][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.038273][ T0] tsc: Detected 2300.000 MHz processor [ 0.060312][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.071223][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.099993][ T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f] [ 0.114059][ T0] Using GB pages for direct mapping [ 0.125375][ T0] ACPI: Early table checksum verification disabled [ 0.139208][ T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS ) [ 0.154896][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.177063][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.195954][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.214141][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.225144][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.242650][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.259362][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.275514][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.292287][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.307945][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.324683][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.343506][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.351191][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.359755][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.368278][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.377693][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.388197][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.397915][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.407620][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.419607][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.433070][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.446771][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.462901][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.478848][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.503323][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.521189][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.540775][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.572102][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.686497][ T0] Zone ranges: [ 0.693474][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.710382][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.726035][ T0] Normal empty [ 0.733428][ T0] Device empty [ 0.742271][ T0] Movable zone start for each node [ 0.752865][ T0] Early memory node ranges [ 0.761687][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.776097][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.789673][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.802473][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.802504][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.847788][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.090658][ T0] kasan: KernelAddressSanitizer initialized [ 2.131578][ T0] ACPI: PM-Timer IO Port: 0x608 [ 2.156310][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 2.193150][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 2.230533][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 2.260960][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 2.295485][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 2.327459][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 2.361587][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 2.394807][ T0] Using ACPI (MADT) for SMP configuration information [ 2.422631][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 2.449043][ T0] TSC deadline timer available [ 2.466371][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 2.491695][ T0] kvm-guest: KVM setup pv remote TLB flush [ 2.514151][ T0] kvm-guest: setup PV sched yield [ 2.532846][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 2.561514][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 2.592217][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 2.625229][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 2.655881][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 2.682836][ T0] Booting paravirtualized kernel on KVM [ 2.704399][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.826553][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 2.895701][ T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576 [ 2.913743][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 2.925339][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 2.937828][ T0] kvm-guest: PV spinlocks enabled [ 2.946422][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.961317][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 2.977652][ T0] Policy zone: DMA32 [ 2.984616][ 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 [ 3.000650][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 3.705351][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33258K rwdata, 38244K rodata, 3868K init, 17024K bss, 654988K reserved, 0K cma-reserved) [ 3.748219][ T0] Running RCU self tests [ 3.755581][ T0] rcu: Preemptible hierarchical RCU implementation. [ 3.765718][ T0] rcu: RCU lockdep checking is enabled. [ 3.775283][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 3.786122][ T0] rcu: RCU debug extended QS entry/exit. [ 3.793287][ T0] All grace periods are expedited (rcu_expedited). [ 3.805187][ T0] Trampoline variant of Tasks RCU enabled. [ 3.816223][ T0] Tracing variant of Tasks RCU enabled. [ 3.828340][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 3.882117][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 3.899388][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 3.925728][ T0] random: crng done (trusting CPU's manufacturer) [ 4.031903][ T0] Console: colour VGA+ 80x25 [ 4.038584][ T0] printk: console [ttyS0] enabled [ 4.038584][ T0] printk: console [ttyS0] enabled [ 4.052547][ T0] printk: bootconsole [earlyser0] disabled [ 4.052547][ T0] printk: bootconsole [earlyser0] disabled [ 4.073630][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 4.088073][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 4.096773][ T0] ... MAX_LOCK_DEPTH: 48 [ 4.105437][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 4.115260][ T0] ... CLASSHASH_SIZE: 4096 [ 4.124933][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 4.134616][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 4.144120][ T0] ... CHAINHASH_SIZE: 32768 [ 4.157137][ T0] memory used by lock dependency info: 6365 kB [ 4.169638][ T0] memory used for stack traces: 4224 kB [ 4.183169][ T0] per task-struct memory footprint: 1920 bytes [ 4.197650][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 4.222170][ T0] ACPI: Core revision 20210105 [ 4.235510][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 4.255928][ T0] APIC: Switch to symmetric I/O mode setup [ 4.269190][ T0] kvm-guest: setup PV IPIs [ 4.308660][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 4.323368][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 4.345935][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 4.355968][ T0] pid_max: default: 32768 minimum: 301 [ 4.368027][ T0] LSM: Security Framework initializing [ 4.376383][ T0] Yama: becoming mindful. [ 4.386518][ T0] TOMOYO Linux initialized [ 4.396102][ T0] SELinux: Initializing. [ 4.424124][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 4.442136][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.446955][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.456203][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.482663][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 4.489643][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 4.495963][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 4.506113][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 4.516034][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 4.516141][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 4.535975][ T0] MDS: Mitigation: Clear CPU buffers [ 4.548330][ T0] Freeing SMP alternatives memory: 104K [ 4.559467][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 4.577075][ T1] Running RCU-tasks wait API self tests [ 4.696603][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 4.709085][ T1] rcu: Hierarchical SRCU implementation. [ 4.716202][ T13] Callback from call_rcu_tasks_trace() invoked. [ 4.737669][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.752144][ T1] smp: Bringing up secondary CPUs ... [ 4.768867][ T1] x86: Booting SMP configuration: [ 4.776241][ T1] .... node #0, CPUs: #1 [ 0.417531][ T0] kvm-clock: cpu 1, msr f38b041, secondary cpu clock [ 4.811133][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 4.815919][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 4.826974][ 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. [ 4.849218][ T1] #2 [ 0.417531][ T0] kvm-clock: cpu 2, msr f38b081, secondary cpu clock [ 4.876876][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 4.885919][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 4.908307][ T1] #3 [ 0.417531][ T0] kvm-clock: cpu 3, msr f38b0c1, secondary cpu clock [ 4.932793][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 4.935919][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 4.946055][ T12] Callback from call_rcu_tasks() invoked. [ 4.957243][ T1] smp: Brought up 2 nodes, 4 CPUs [ 4.966101][ T1] smpboot: Max logical packages: 2 [ 4.975237][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 4.990084][ T1] devtmpfs: initialized [ 4.997769][ T1] x86/mm: Memory block size: 128MB [ 5.071145][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.071145][ T37] kworker/u17:0 (37) used greatest stack depth: 27520 bytes left [ 5.077366][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.088812][ T38] ------------[ cut here ]------------ [ 5.089488][ T1] PM: RTC time: 18:37:49, date: 2021-03-10 [ 5.103045][ T41] kworker/u17:1 (41) used greatest stack depth: 27512 bytes left [ 5.126043][ T38] raw_local_irq_restore() called with IRQs enabled [ 5.126130][ T38] WARNING: CPU: 2 PID: 38 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 5.127780][ T38] Modules linked in: [ 5.127835][ T38] CPU: 2 PID: 38 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 5.127890][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 5.127938][ T38] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 5.128013][ T38] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 11 6a ad 04 00 74 01 c3 48 c7 c7 20 79 6b 89 c6 05 00 6a ad 04 01 e8 35 c2 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 5.128037][ T38] RSP: 0000:ffffc90000667c58 EFLAGS: 00010282 [ 5.128070][ T38] RAX: 0000000000000000 RBX: ffffffff8be25ee0 RCX: 0000000000000000 [ 5.128086][ T38] RDX: ffff8880116a0240 RSI: ffffffff815b4435 RDI: fffff520000ccf7d [ 5.128103][ T38] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 5.128118][ T38] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 [ 5.128133][ T38] R13: fffffbfff17c4bdc R14: 0000000000000001 R15: ffff88802cc36000 [ 5.128164][ T38] FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 [ 5.128264][ T38] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.128288][ T38] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 5.128304][ T38] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5.128327][ T38] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5.128343][ T38] Call Trace: [ 5.128353][ T38] kvm_wait+0xc9/0xe0 [ 5.128384][ T38] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 5.128415][ T38] ? pv_hash+0x100/0x100 [ 5.128438][ T38] ? lock_release+0x720/0x720 [ 5.128462][ T38] do_raw_spin_lock+0x200/0x2b0 [ 5.128486][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 5.128519][ T38] do_exit+0x1d05/0x2a60 [ 5.128547][ T38] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 5.128571][ T38] ? mm_update_next_owner+0x7a0/0x7a0 [ 5.128598][ T38] ? kfree+0x1d7/0x2b0 [ 5.128626][ T38] ? lockdep_hardirqs_on+0x79/0x100 [ 5.128657][ T38] call_usermodehelper_exec_async+0x413/0x580 [ 5.128689][ T38] ? umh_complete+0x90/0x90 [ 5.128714][ T38] ret_from_fork+0x1f/0x30 [ 5.128745][ T38] Kernel panic - not syncing: panic_on_warn set ... [ 5.128757][ T38] CPU: 2 PID: 38 Comm: kworker/u17:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 5.128780][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 5.128791][ T38] Call Trace: [ 5.128799][ T38] dump_stack+0x141/0x1d7 [ 5.128847][ T38] panic+0x306/0x73d [ 5.128870][ T38] ? __warn_printk+0xf3/0xf3 [ 5.128892][ T38] ? __warn.cold+0x1a/0x44 [ 5.128913][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 5.128939][ T38] __warn.cold+0x35/0x44 [ 5.128959][ T38] ? wake_up_klogd.part.0+0x8e/0xd0 [ 5.128982][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 5.129006][ T38] report_bug+0x1bd/0x210 [ 5.129151][ T38] handle_bug+0x3c/0x60 [ 5.129189][ T38] exc_invalid_op+0x14/0x40 [ 5.129212][ T38] asm_exc_invalid_op+0x12/0x20 [ 5.129233][ T38] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 5.129263][ T38] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 11 6a ad 04 00 74 01 c3 48 c7 c7 20 79 6b 89 c6 05 00 6a ad 04 01 e8 35 c2 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 5.130558][ T1] NET: Registered protocol family 16 [ 5.143199][ T1] audit: initializing netlink subsys (disabled) [ 5.135919][ T38] RSP: 0000:ffffc90000667c58 EFLAGS: 00010282 [ 5.135919][ T38] RAX: 0000000000000000 RBX: ffffffff8be25ee0 RCX: 0000000000000000 [ 5.135919][ T38] RDX: ffff8880116a0240 RSI: ffffffff815b4435 RDI: fffff520000ccf7d [ 5.135919][ T38] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 5.135919][ T38] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 [ 5.135919][ T38] R13: fffffbfff17c4bdc R14: 0000000000000001 R15: ffff88802cc36000 [ 5.135919][ T38] ? wake_up_klogd.part.0+0x8e/0xd0 [ 5.135919][ T38] ? vprintk_func+0x95/0x1e0 [ 5.135919][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 5.135919][ T38] kvm_wait+0xc9/0xe0 [ 5.135919][ T38] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 5.135919][ T38] ? pv_hash+0x100/0x100 [ 5.135919][ T38] ? lock_release+0x720/0x720 [ 5.135919][ T38] do_raw_spin_lock+0x200/0x2b0 [ 5.174756][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.189809][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 5.189809][ T38] do_exit+0x1d05/0x2a60 [ 5.189809][ T38] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 5.189809][ T38] ? mm_update_next_owner+0x7a0/0x7a0 [ 5.189809][ T38] ? kfree+0x1d7/0x2b0 [ 5.194153][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.192012][ T38] ? lockdep_hardirqs_on+0x79/0x100 [ 5.192012][ T38] call_usermodehelper_exec_async+0x413/0x580 [ 5.192012][ T38] ? umh_complete+0x90/0x90 [ 5.192012][ T38] ret_from_fork+0x1f/0x30 [ 5.216342][ T49] audit: type=2000 audit(1615401469.489:1): state=initialized audit_enabled=0 res=1 [ 5.216036][ T38] Dumping ftrace buffer: [ 5.216036][ T38] (ftrace buffer empty) [ 5.216036][ T38] Rebooting in 1 seconds.. [ 5.216036][ T38] ACPI MEMORY or I/O RESET_REG.