[ 0.000000][ T0] Linux version 5.12.0-rc1-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] nopcid: PCID feature disabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 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 f37d001, primary cpu clock [ 0.000000][ T0] kvm-clock: using sched offset of 2146302016 cycles [ 0.006434][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.024563][ T0] tsc: Detected 2300.000 MHz processor [ 0.040022][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.047025][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.067749][ T0] found SMP MP-table at [mem 0x000f5c90-0x000f5c9f] [ 0.074714][ T0] Using GB pages for direct mapping [ 0.081066][ T0] ACPI: Early table checksum verification disabled [ 0.087502][ T0] ACPI: RSDP 0x00000000000F5AE0 000014 (v00 BOCHS ) [ 0.094258][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.103756][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.113370][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.123393][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.128825][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.138434][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.147991][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.157571][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.167045][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.176378][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.185815][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.196066][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.201542][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.206846][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.212119][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.217442][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.222619][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.227834][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.233054][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.238286][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.245126][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.251890][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.260093][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.267779][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.278974][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.287384][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.296447][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.314907][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.338069][ T0] Zone ranges: [ 0.341741][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.348998][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.356444][ T0] Normal empty [ 0.360156][ T0] Device empty [ 0.363901][ T0] Movable zone start for each node [ 0.368941][ T0] Early memory node ranges [ 0.373428][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.380442][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.387576][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.394766][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.394780][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.417951][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.633509][ T0] kasan: KernelAddressSanitizer initialized [ 0.646083][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.651390][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.658959][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.667653][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.675815][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.684047][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.692024][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.700067][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.708197][ T0] Using ACPI (MADT) for SMP configuration information [ 0.715386][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.721648][ T0] TSC deadline timer available [ 0.726885][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 0.733906][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.740883][ T0] kvm-guest: setup PV sched yield [ 0.746721][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.756751][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.766704][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.776077][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.785678][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 0.793436][ T0] Booting paravirtualized kernel on KVM [ 0.799500][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.870759][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 0.891741][ T0] percpu: Embedded 64 pages/cpu s223688 r8192 d30264 u1048576 [ 0.900320][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 0.906329][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 0.912468][ T0] kvm-guest: PV spinlocks enabled [ 0.917717][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.926272][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 0.934368][ T0] Policy zone: DMA32 [ 0.938414][ T0] Kernel command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb kvm-intel.nested=1 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 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 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 root=/dev/sda console=ttyS0 vsyscall=native 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 [ 0.948381][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.281196][ T0] Memory: 1443680K/2096620K available (135201K kernel code, 33235K rwdata, 38184K rodata, 3848K init, 15032K bss, 652684K reserved, 0K cma-reserved) [ 1.298215][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 1.308987][ T0] Running RCU self tests [ 1.313217][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.319577][ T0] rcu: RCU lockdep checking is enabled. [ 1.325033][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.331942][ T0] rcu: RCU debug extended QS entry/exit. [ 1.337968][ T0] All grace periods are expedited (rcu_expedited). [ 1.343926][ T0] Trampoline variant of Tasks RCU enabled. [ 1.349357][ T0] Tracing variant of Tasks RCU enabled. [ 1.354670][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.383151][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.390437][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0x(____ptrval____)-0x(____ptrval____) [ 1.400686][ T0] random: crng done (trusting CPU's manufacturer) [ 1.448308][ T0] Console: colour VGA+ 80x25 [ 1.453029][ T0] printk: console [ttyS0] enabled [ 1.453029][ T0] printk: console [ttyS0] enabled [ 1.462363][ T0] printk: bootconsole [earlyser0] disabled [ 1.462363][ T0] printk: bootconsole [earlyser0] disabled [ 1.473280][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.481426][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.486460][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.491213][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.496061][ T0] ... CLASSHASH_SIZE: 4096 [ 1.501046][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.506088][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.511058][ T0] ... CHAINHASH_SIZE: 32768 [ 1.516127][ T0] memory used by lock dependency info: 6365 kB [ 1.521996][ T0] memory used for stack traces: 4224 kB [ 1.527331][ T0] per task-struct memory footprint: 1920 bytes [ 1.533339][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.544726][ T0] ACPI: Core revision 20210105 [ 1.550656][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.560889][ T0] APIC: Switch to symmetric I/O mode setup [ 1.566442][ T0] kvm-guest: setup PV IPIs [ 1.581924][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.588532][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.599448][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.609426][ T0] pid_max: default: 32768 minimum: 301 [ 1.619698][ T0] LSM: Security Framework initializing [ 1.624905][ T0] Yama: becoming mindful. [ 1.629521][ T0] TOMOYO Linux initialized [ 1.633972][ T0] AppArmor: AppArmor initialized [ 1.639435][ T0] LSM support for eBPF active [ 1.647296][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 1.650825][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 1.659531][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 1.669507][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 1.689842][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.698104][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.699415][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.709483][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.719472][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.719542][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.739444][ T0] MDS: Mitigation: Clear CPU buffers [ 1.745832][ T0] Freeing SMP alternatives memory: 104K [ 1.751039][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.764023][ T1] Running RCU-tasks wait API self tests [ 1.879798][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.890531][ T1] rcu: Hierarchical SRCU implementation. [ 1.899617][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.906217][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.911046][ T1] smp: Bringing up secondary CPUs ... [ 1.917957][ T1] x86: Booting SMP configuration: [ 1.919516][ T1] .... node #0, CPUs: #1 [ 0.189331][ T0] kvm-clock: cpu 1, msr f37d041, secondary cpu clock [ 1.935717][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 1.935717][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 1.939940][ 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. [ 1.951144][ T1] #2 [ 0.189331][ T0] kvm-clock: cpu 2, msr f37d081, secondary cpu clock [ 1.964899][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 1.965240][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 1.971007][ T1] #3 [ 0.189331][ T0] kvm-clock: cpu 3, msr f37d0c1, secondary cpu clock [ 1.992888][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 1.995554][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 1.999816][ T1] smp: Brought up 2 nodes, 4 CPUs [ 2.009639][ T1] smpboot: Max logical packages: 2 [ 2.014529][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 2.023230][ T1] devtmpfs: initialized [ 2.029719][ T1] x86/mm: Memory block size: 128MB [ 2.069741][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.070325][ T37] kworker/u17:0 (37) used greatest stack depth: 27304 bytes left [ 2.080195][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 2.099890][ T45] kworker/u17:0 (45) used greatest stack depth: 27296 bytes left [ 2.099822][ T1] PM: RTC time: 20:38:42, date: 2021-03-05 [ 2.108943][ T1] NET: Registered protocol family 16 [ 2.119611][ T12] Callback from call_rcu_tasks() invoked. [ 2.126019][ T1] audit: initializing netlink subsys (disabled) [ 2.129995][ T48] audit: type=2000 audit(1614976722.518:1): state=initialized audit_enabled=0 res=1 [ 2.133492][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.139558][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.146570][ T1] cpuidle: using governor menu [ 2.154861][ T1] NET: Registered protocol family 42 [ 2.165710][ T1] ACPI: bus type PCI registered [ 2.171277][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 2.179461][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 2.263323][ T1] PCI: Using configuration type 1 for base access [ 2.444064][ T36] ------------[ cut here ]------------ [ 2.449553][ T36] raw_local_irq_restore() called with IRQs enabled [ 2.456774][ T36] WARNING: CPU: 0 PID: 36 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 2.459468][ T36] Modules linked in: [ 2.464322][ T36] CPU: 0 PID: 36 Comm: kworker/u17:1 Not tainted 5.12.0-rc1-syzkaller #0 [ 2.469468][ T36] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 2.479179][ T36] Workqueue: events_unbound call_usermodehelper_exec_work [ 2.479457][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 2.486250][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d e3 2d b0 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 d2 2d b0 04 01 e8 67 cb be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 2.486406][ T875] kworker/u17:4 (875) used greatest stack depth: 27024 bytes left [ 2.489478][ T36] RSP: 0000:ffffc900005e75b8 EFLAGS: 00010282 [ 2.499485][ T36] RAX: 0000000000000000 RBX: ffffffff8c087b20 RCX: 0000000000000000 [ 2.508215][ T36] RDX: ffff888010dd3780 RSI: ffffffff815c0cb5 RDI: fffff520000bcea9 [ 2.509448][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 2.518690][ T36] R10: ffffffff815b9a4e R11: 0000000000000000 R12: 0000000000000003 [ 2.519478][ T36] R13: fffffbfff1810f64 R14: 0000000000000001 R15: ffff88802ca35f40 [ 2.527686][ T36] FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 [ 2.529513][ T36] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.536495][ T36] CR2: ffff888010201000 CR3: 000000000bc8e000 CR4: 0000000000150ef0 [ 2.539511][ T36] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.548494][ T36] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.549445][ T36] Call Trace: [ 2.552749][ T36] kvm_wait+0xc9/0xe0 [ 2.557284][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 2.559494][ T36] ? pv_hash+0x100/0x100 [ 2.564019][ T36] ? lock_release+0x720/0x720 [ 2.568990][ T36] do_raw_spin_lock+0x200/0x2b0 [ 2.569448][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.575511][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 2.579461][ T36] alloc_vmap_area+0xba3/0x1e10 [ 2.585504][ T36] ? free_vmap_area+0x1ac0/0x1ac0 [ 2.589549][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 2.595614][ T36] ? trace_kmalloc_node+0xc1/0xf0 [ 2.599535][ T36] __get_vm_area_node+0x128/0x380 [ 2.607085][ T36] __vmalloc_node_range+0xcb/0x170 [ 2.609523][ T36] ? kernel_clone+0xe7/0xab0 [ 2.615437][ T36] ? kernel_clone+0xe7/0xab0 [ 2.619449][ T36] copy_process+0x4b1f/0x6fd0 [ 2.626944][ T36] ? kernel_clone+0xe7/0xab0 [ 2.629458][ T36] ? wake_up_new_task+0x7c7/0xe50 [ 2.631415][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.635267][ T36] ? mark_lock+0xef/0x17b0 [ 2.638665][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.649456][ T36] ? __cleanup_sighand+0xb0/0xb0 [ 2.655426][ T36] ? is_dynamic_key+0x1a0/0x1a0 [ 2.659447][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2.659665][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.665592][ T36] ? kernel_clone+0xc4/0xab0 [ 2.665615][ T36] kernel_clone+0xe7/0xab0 [ 2.665630][ T36] ? __lock_acquire+0x16b3/0x54c0 [ 2.665648][ T36] ? copy_init_mm+0x20/0x20 [ 2.665669][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2.689451][ T36] ? lock_downgrade+0x6e0/0x6e0 [ 2.694076][ T36] ? umh_complete+0x90/0x90 [ 2.698392][ T36] kernel_thread+0xb5/0xf0 [ 2.691093][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 2.699448][ T36] ? __do_sys_clone3+0x2f0/0x2f0 [ 2.699474][ T36] ? umh_complete+0x90/0x90 [ 2.705868][ T1] raid6: using avx2x2 recovery algorithm [ 2.709450][ T36] call_usermodehelper_exec_work+0xcc/0x180 [ 2.725157][ T36] process_one_work+0x98d/0x1600 [ 2.725186][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2.725206][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.725224][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 2.725258][ T36] worker_thread+0x64c/0x1120 [ 2.725295][ T36] ? process_one_work+0x1600/0x1600 [ 2.725313][ T36] kthread+0x3b1/0x4a0 [ 2.725330][ T36] ? __kthread_bind_mask+0xc0/0xc0 [ 2.725350][ T36] ret_from_fork+0x1f/0x30 [ 2.725379][ T36] Kernel panic - not syncing: panic_on_warn set ... [ 2.725386][ T36] CPU: 0 PID: 36 Comm: kworker/u17:1 Not tainted 5.12.0-rc1-syzkaller #0 [ 2.725402][ T36] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 2.725560][ T36] Workqueue: events_unbound call_usermodehelper_exec_work [ 2.725584][ T36] Call Trace: [ 2.725589][ T36] dump_stack+0x141/0x1d7 [ 2.725610][ T36] panic+0x306/0x73d [ 2.725626][ T36] ? __warn_printk+0xf3/0xf3 [ 2.725649][ T36] ? __warn.cold+0x1a/0x44 [ 2.725669][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.725688][ T36] __warn.cold+0x35/0x44 [ 2.725701][ T36] ? wake_up_klogd.part.0+0x8e/0xd0 [ 2.725718][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.725736][ T36] report_bug+0x1bd/0x210 [ 2.725756][ T36] handle_bug+0x3c/0x60 [ 2.725773][ T36] exc_invalid_op+0x14/0x40 [ 2.725789][ T36] asm_exc_invalid_op+0x12/0x20 [ 2.725804][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 2.725822][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d e3 2d b0 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 d2 2d b0 04 01 e8 67 cb be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 2.725836][ T36] RSP: 0000:ffffc900005e75b8 EFLAGS: 00010282 [ 2.725848][ T36] RAX: 0000000000000000 RBX: ffffffff8c087b20 RCX: 0000000000000000 [ 2.725863][ T36] RDX: ffff888010dd3780 RSI: ffffffff815c0cb5 RDI: fffff520000bcea9 [ 2.725876][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 2.725885][ T36] R10: ffffffff815b9a4e R11: 0000000000000000 R12: 0000000000000003 [ 2.725897][ T36] R13: fffffbfff1810f64 R14: 0000000000000001 R15: ffff88802ca35f40 [ 2.725910][ T36] ? wake_up_klogd.part.0+0x8e/0xd0 [ 2.725258][ T1] ACPI: Added _OSI(Module Device) [ 2.729404][ T36] ? vprintk_func+0x95/0x1e0 [ 2.729404][ T1] ACPI: Added _OSI(Processor Device) [ 2.729404][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.729404][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.729404][ T36] kvm_wait+0xc9/0xe0 [ 2.729404][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.729404][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 2.729404][ T36] ? pv_hash+0x100/0x100 [ 2.729404][ T36] ? lock_release+0x720/0x720 [ 2.729404][ T36] do_raw_spin_lock+0x200/0x2b0 [ 2.729404][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.729404][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.729404][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.729404][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 2.729404][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.729404][ T36] alloc_vmap_area+0xba3/0x1e10 [ 2.729404][ T1] ACPI: [ 2.729404][ T36] ? free_vmap_area+0x1ac0/0x1ac0 [ 2.729404][ T1] 2 ACPI AML tables successfully acquired and loaded [ 2.729404][ T36] ? rcu_read_lock_sched_held+0x3a/0x70 [ 2.729404][ T36] ? trace_kmalloc_node+0xc1/0xf0 [ 2.729404][ T36] __get_vm_area_node+0x128/0x380 [ 2.729404][ T36] __vmalloc_node_range+0xcb/0x170 [ 2.729404][ T1] [ 2.729404][ T36] ? kernel_clone+0xe7/0xab0 [ 2.729404][ T36] ? kernel_clone+0xe7/0xab0 [ 2.729404][ T36] copy_process+0x4b1f/0x6fd0 [ 2.729404][ T36] ? kernel_clone+0xe7/0xab0 [ 2.729404][ T36] ? wake_up_new_task+0x7c7/0xe50 [ 2.729404][ T36] ? mark_lock+0xef/0x17b0 [ 2.729404][ T36] ? __cleanup_sighand+0xb0/0xb0 [ 2.729404][ T36] ? is_dynamic_key+0x1a0/0x1a0 [ 2.729404][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2.729404][ T36] ? kernel_clone+0xc4/0xab0 [ 2.729404][ T36] kernel_clone+0xe7/0xab0 [ 2.729404][ T36] ? __lock_acquire+0x16b3/0x54c0 [ 2.729404][ T36] ? copy_init_mm+0x20/0x20 [ 2.729404][ T36] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2.729404][ T36] ? lock_downgrade+0x6e0/0x6e0 [ 2.729404][ T36] ? umh_complete+0x90/0x90 [ 2.729404][ T36] kernel_thread+0xb5/0xf0 [ 2.729404][ T36] ? __do_sys_clone3+0x2f0/0x2f0 [ 2.729404][ T36] ? umh_complete+0x90/0x90 [ 2.729404][ T36] call_usermodehelper_exec_work+0xcc/0x180 [ 2.729404][ T36] process_one_work+0x98d/0x1600 [ 2.729404][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2.729404][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.729404][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 2.729404][ T36] worker_thread+0x64c/0x1120 [ 2.729404][ T36] ? process_one_work+0x1600/0x1600 [ 2.729404][ T36] kthread+0x3b1/0x4a0 [ 2.729404][ T36] ? __kthread_bind_mask+0xc0/0xc0 [ 2.729404][ T36] ret_from_fork+0x1f/0x30 [ 2.729404][ T36] Dumping ftrace buffer: [ 2.729404][ T36] (ftrace buffer empty) [ 2.729404][ T36] Rebooting in 1 seconds.. [ 2.729404][ T36] ACPI MEMORY or I/O RESET_REG.