[ 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 [ 0.000002][ T0] kvm-clock: using sched offset of 4218668931 cycles [ 0.012687][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.047261][ T0] tsc: Detected 2300.000 MHz processor [ 0.075307][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.088932][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.118973][ T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f] [ 0.131238][ T0] Using GB pages for direct mapping [ 0.141866][ T0] ACPI: Early table checksum verification disabled [ 0.154014][ T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS ) [ 0.168291][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.186102][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.205110][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.224137][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.233823][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.247879][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.266721][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.287637][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.304353][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.326806][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.347429][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.366097][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.378874][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.392045][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.404750][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.417403][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.428798][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.440864][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.452695][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.467195][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.481522][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.497738][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.516072][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.532308][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.553747][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.568046][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.583707][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.596782][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.783995][ T0] Zone ranges: [ 0.791816][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.808541][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.832502][ T0] Normal empty [ 0.842896][ T0] Device empty [ 0.852212][ T0] Movable zone start for each node [ 0.863375][ T0] Early memory node ranges [ 0.873533][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.892017][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.911967][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.930344][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.930378][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.984636][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.184839][ T0] kasan: KernelAddressSanitizer initialized [ 2.232790][ T0] ACPI: PM-Timer IO Port: 0x608 [ 2.249193][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 2.276676][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 2.304430][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 2.330321][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 2.355061][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 2.381975][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 2.411147][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 2.438478][ T0] Using ACPI (MADT) for SMP configuration information [ 2.463026][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 2.484552][ T0] TSC deadline timer available [ 2.503391][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 2.525749][ T0] kvm-guest: KVM setup pv remote TLB flush [ 2.549911][ T0] kvm-guest: setup PV sched yield [ 2.566675][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 2.596622][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 2.626682][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 2.650453][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 2.677844][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 2.693956][ T0] Booting paravirtualized kernel on KVM [ 2.706738][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.802132][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 2.835963][ T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576 [ 2.851911][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 2.863227][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 2.874960][ T0] kvm-guest: PV spinlocks enabled [ 2.884644][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.898896][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 2.913022][ T0] Policy zone: DMA32 [ 2.920652][ 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 [ 2.946106][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 3.688069][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33258K rwdata, 38244K rodata, 3868K init, 17024K bss, 654988K reserved, 0K cma-reserved) [ 3.735496][ T0] Running RCU self tests [ 3.746347][ T0] rcu: Preemptible hierarchical RCU implementation. [ 3.760314][ T0] rcu: RCU lockdep checking is enabled. [ 3.770533][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 3.784721][ T0] rcu: RCU debug extended QS entry/exit. [ 3.794361][ T0] All grace periods are expedited (rcu_expedited). [ 3.804856][ T0] Trampoline variant of Tasks RCU enabled. [ 3.811581][ T0] Tracing variant of Tasks RCU enabled. [ 3.818476][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 3.876840][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 3.891810][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 3.912490][ T0] random: crng done (trusting CPU's manufacturer) [ 4.033180][ T0] Console: colour VGA+ 80x25 [ 4.040900][ T0] printk: console [ttyS0] enabled [ 4.040900][ T0] printk: console [ttyS0] enabled [ 4.060964][ T0] printk: bootconsole [earlyser0] disabled [ 4.060964][ T0] printk: bootconsole [earlyser0] disabled [ 4.082471][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 4.099030][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 4.108335][ T0] ... MAX_LOCK_DEPTH: 48 [ 4.118337][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 4.127659][ T0] ... CLASSHASH_SIZE: 4096 [ 4.137991][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 4.147857][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 4.157921][ T0] ... CHAINHASH_SIZE: 32768 [ 4.167008][ T0] memory used by lock dependency info: 6365 kB [ 4.177739][ T0] memory used for stack traces: 4224 kB [ 4.188302][ T0] per task-struct memory footprint: 1920 bytes [ 4.200685][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 4.230550][ T0] ACPI: Core revision 20210105 [ 4.246260][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 4.271647][ T0] APIC: Switch to symmetric I/O mode setup [ 4.282769][ T0] kvm-guest: setup PV IPIs [ 4.317741][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 4.330951][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 4.354043][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 4.364057][ T0] pid_max: default: 32768 minimum: 301 [ 4.386636][ T0] LSM: Security Framework initializing [ 4.394933][ T0] Yama: becoming mindful. [ 4.405068][ T0] TOMOYO Linux initialized [ 4.414258][ T0] SELinux: Initializing. [ 4.444247][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 4.471375][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.474839][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.484445][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 4.517265][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 4.534205][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 4.544064][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 4.554184][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 4.564114][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 4.564186][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 4.584076][ T0] MDS: Mitigation: Clear CPU buffers [ 4.595898][ T0] Freeing SMP alternatives memory: 104K [ 4.616664][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 4.635722][ T1] Running RCU-tasks wait API self tests [ 4.754685][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 4.766424][ T1] rcu: Hierarchical SRCU implementation. [ 4.774291][ T13] Callback from call_rcu_tasks_trace() invoked. [ 4.794639][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.808841][ T1] smp: Bringing up secondary CPUs ... [ 4.827998][ T1] x86: Booting SMP configuration: [ 4.834289][ T1] .... node #0, CPUs: #1 [ 0.442806][ T0] kvm-clock: cpu 1, msr f38b041, secondary cpu clock [ 4.868960][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 4.874029][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 4.904770][ 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. [ 4.930247][ T1] #2 [ 0.442806][ T0] kvm-clock: cpu 2, msr f38b081, secondary cpu clock [ 4.976135][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 4.984029][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 5.004279][ T12] Callback from call_rcu_tasks() invoked. [ 5.030370][ T1] #3 [ 0.442806][ T0] kvm-clock: cpu 3, msr f38b0c1, secondary cpu clock [ 5.068392][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 5.074029][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 5.113661][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.114113][ T1] smpboot: Max logical packages: 2 [ 5.125552][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 5.148158][ T1] devtmpfs: initialized [ 5.156883][ T1] x86/mm: Memory block size: 128MB [ 5.229928][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.229928][ T37] kworker/u17:0 (37) used greatest stack depth: 27520 bytes left [ 5.235774][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.267618][ T1] PM: RTC time: 18:37:49, date: 2021-03-10 [ 5.318729][ T1] NET: Registered protocol family 16 [ 5.366617][ T1] audit: initializing netlink subsys (disabled) [ 5.384228][ T50] audit: type=2000 audit(1615401469.899:1): state=initialized audit_enabled=0 res=1 [ 5.397381][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.404704][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.427075][ T1] cpuidle: using governor menu [ 5.444427][ T1] NET: Registered protocol family 42 [ 5.464638][ T1] ACPI: bus type PCI registered [ 5.493121][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.514232][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 5.792253][ T1] PCI: Using configuration type 1 for base access [ 5.873806][ T156] kworker/u17:0 (156) used greatest stack depth: 27512 bytes left [ 6.000962][ T414] kworker/u17:3 (414) used greatest stack depth: 27432 bytes left [ 6.044029][ T457] kworker/u17:4 (457) used greatest stack depth: 27208 bytes left [ 6.136892][ T38] ------------[ cut here ]------------ [ 6.154293][ T38] raw_local_irq_restore() called with IRQs enabled [ 6.174574][ T38] WARNING: CPU: 2 PID: 38 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 6.204241][ T38] Modules linked in: [ 6.214204][ T38] CPU: 2 PID: 38 Comm: kworker/2:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 6.244214][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 6.284254][ T38] Workqueue: events free_work [ 6.294198][ T38] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 6.314284][ 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 [ 6.374210][ T38] RSP: 0000:ffffc90000617af8 EFLAGS: 00010286 [ 6.384291][ T38] RAX: 0000000000000000 RBX: ffffffff8c0826a0 RCX: 0000000000000000 [ 6.415581][ T38] RDX: ffff88801168c240 RSI: ffffffff815b4435 RDI: fffff520000c2f51 [ 6.444231][ T38] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 6.464174][ T38] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 [ 6.484210][ T38] R13: fffffbfff18104d4 R14: 0000000000000001 R15: ffff88802cc36000 [ 6.507042][ T38] FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 [ 6.534222][ T38] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.554370][ T38] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 6.574277][ T38] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.578842][ T1045] kworker/u17:0 (1045) used greatest stack depth: 26992 bytes left [ 6.594161][ T38] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.594257][ T38] Call Trace: [ 6.594268][ T38] kvm_wait+0xc9/0xe0 [ 6.654144][ T38] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 6.678111][ T38] ? pv_hash+0x100/0x100 [ 6.687226][ T38] ? lock_release+0x720/0x720 [ 6.705602][ T38] do_raw_spin_lock+0x200/0x2b0 [ 6.716450][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 6.734146][ T38] __vunmap+0x66/0xb60 [ 6.744218][ T38] free_work+0x58/0x70 [ 6.754153][ T38] process_one_work+0x98d/0x1600 [ 6.774208][ T38] ? pwq_dec_nr_in_flight+0x320/0x320 [ 6.794275][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 6.810698][ T38] ? _raw_spin_lock_irq+0x41/0x50 [ 6.824803][ T38] worker_thread+0x64c/0x1120 [ 6.844995][ T38] ? __kthread_parkme+0x13f/0x1e0 [ 6.865921][ T38] ? process_one_work+0x1600/0x1600 [ 6.884143][ T38] kthread+0x3b1/0x4a0 [ 6.894214][ T38] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 6.914109][ T38] ret_from_fork+0x1f/0x30 [ 6.926854][ T38] Kernel panic - not syncing: panic_on_warn set ... [ 6.947011][ T38] CPU: 2 PID: 38 Comm: kworker/2:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 6.950538][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 6.994029][ T38] Workqueue: events free_work [ 6.994029][ T38] Call Trace: [ 7.024201][ T38] dump_stack+0x141/0x1d7 [ 7.024226][ T38] panic+0x306/0x73d [ 7.034767][ T38] ? __warn_printk+0xf3/0xf3 [ 7.044165][ T38] ? __warn.cold+0x1a/0x44 [ 7.044165][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.064215][ T38] __warn.cold+0x35/0x44 [ 7.064215][ T38] ? wake_up_klogd.part.0+0x8e/0xd0 [ 7.084915][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.103746][ T38] report_bug+0x1bd/0x210 [ 7.115174][ T38] handle_bug+0x3c/0x60 [ 7.115174][ T38] exc_invalid_op+0x14/0x40 [ 7.134926][ T38] asm_exc_invalid_op+0x12/0x20 [ 7.155045][ T38] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 7.168714][ 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 [ 7.199011][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 7.194204][ T38] RSP: 0000:ffffc90000617af8 EFLAGS: 00010286 [ 7.194204][ T38] RAX: 0000000000000000 RBX: ffffffff8c0826a0 RCX: 0000000000000000 [ 7.194204][ T38] RDX: ffff88801168c240 RSI: ffffffff815b4435 RDI: fffff520000c2f51 [ 7.194204][ T38] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 7.194204][ T38] R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 [ 7.194204][ T38] R13: fffffbfff18104d4 R14: 0000000000000001 R15: ffff88802cc36000 [ 7.194204][ T38] ? wake_up_klogd.part.0+0x8e/0xd0 [ 7.194204][ T38] ? vprintk_func+0x95/0x1e0 [ 7.194204][ T38] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.194204][ T38] kvm_wait+0xc9/0xe0 [ 7.228261][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 7.224412][ T38] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 7.224412][ T38] ? pv_hash+0x100/0x100 [ 7.224412][ T38] ? lock_release+0x720/0x720 [ 7.224412][ T38] do_raw_spin_lock+0x200/0x2b0 [ 7.224412][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 7.224412][ T38] __vunmap+0x66/0xb60 [ 7.305187][ T1] cryptd: max_cpu_qlen set to 1000 [ 7.286534][ T38] free_work+0x58/0x70 [ 7.455865][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 7.417457][ T38] process_one_work+0x98d/0x1600 [ 7.417457][ T38] ? pwq_dec_nr_in_flight+0x320/0x320 [ 7.417457][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 7.471781][ T1] raid6: using avx2x2 recovery algorithm [ 7.524281][ T38] ? _raw_spin_lock_irq+0x41/0x50 [ 7.524281][ T38] worker_thread+0x64c/0x1120 [ 7.524281][ T38] ? __kthread_parkme+0x13f/0x1e0 [ 7.524281][ T38] ? process_one_work+0x1600/0x1600 [ 7.524281][ T38] kthread+0x3b1/0x4a0 [ 7.524281][ T38] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 7.524281][ T38] ret_from_fork+0x1f/0x30 [ 7.524281][ T38] Dumping ftrace buffer: [ 7.524281][ T38] (ftrace buffer empty) [ 7.524281][ T38] Rebooting in 1 seconds.. [ 7.524281][ T38] ACPI MEMORY or I/O RESET_REG.