[ 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] 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 f3a3001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 4254502187 cycles [ 0.012309][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.046371][ T0] tsc: Detected 2300.000 MHz processor [ 0.072670][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.085080][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.117027][ T0] found SMP MP-table at [mem 0x000f5c90-0x000f5c9f] [ 0.128775][ T0] Using GB pages for direct mapping [ 0.141882][ T0] ACPI: Early table checksum verification disabled [ 0.153226][ T0] ACPI: RSDP 0x00000000000F5AE0 000014 (v00 BOCHS ) [ 0.165791][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.181285][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.197261][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.214105][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.225412][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.246228][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.268162][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.288930][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.309580][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.334044][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.358657][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.384325][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.398618][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.415005][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.432189][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.448364][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.462115][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.472949][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.483263][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.494568][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.510301][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.526402][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.544478][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.561495][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.586809][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.611505][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.639775][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.678631][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.843221][ T0] Zone ranges: [ 0.851784][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.868105][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.881911][ T0] Normal empty [ 0.889032][ T0] Device empty [ 0.896360][ T0] Movable zone start for each node [ 0.907459][ T0] Early memory node ranges [ 0.916783][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.931056][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.946734][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.964261][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.964288][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.030890][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.777021][ T0] kasan: KernelAddressSanitizer initialized [ 2.802675][ T0] ACPI: PM-Timer IO Port: 0x608 [ 2.814516][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 2.832075][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 2.852198][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 2.871348][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 2.890624][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 2.912383][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 2.932249][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 2.951143][ T0] Using ACPI (MADT) for SMP configuration information [ 2.966607][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 2.981643][ T0] TSC deadline timer available [ 2.992791][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 3.006538][ T0] kvm-guest: KVM setup pv remote TLB flush [ 3.019975][ T0] kvm-guest: setup PV sched yield [ 3.032891][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 3.054941][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 3.073758][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 3.095924][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 3.120499][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 3.142121][ T0] Booting paravirtualized kernel on KVM [ 3.160509][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.264872][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 3.327836][ T0] percpu: Embedded 64 pages/cpu s223688 r8192 d30264 u1048576 [ 3.349056][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 3.362533][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 3.375324][ T0] kvm-guest: PV spinlocks enabled [ 3.386163][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 3.403486][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 3.419401][ T0] Policy zone: DMA32 [ 3.427622][ 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 [ 3.447177][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 4.443146][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33378K rwdata, 38356K rodata, 3848K init, 16928K bss, 654988K reserved, 0K cma-reserved) [ 4.474064][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 4.497794][ T0] Running RCU self tests [ 4.506063][ T0] rcu: Preemptible hierarchical RCU implementation. [ 4.519284][ T0] rcu: RCU lockdep checking is enabled. [ 4.530742][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 4.546626][ T0] rcu: RCU debug extended QS entry/exit. [ 4.560399][ T0] All grace periods are expedited (rcu_expedited). [ 4.572416][ T0] Trampoline variant of Tasks RCU enabled. [ 4.581890][ T0] Tracing variant of Tasks RCU enabled. [ 4.592154][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 4.640691][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 4.652110][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0x(____ptrval____)-0x(____ptrval____) [ 4.669267][ T0] random: crng done (trusting CPU's manufacturer) [ 4.768802][ T0] Console: colour VGA+ 80x25 [ 4.776596][ T0] printk: console [ttyS0] enabled [ 4.776596][ T0] printk: console [ttyS0] enabled [ 4.792600][ T0] printk: bootconsole [earlyser0] disabled [ 4.792600][ T0] printk: bootconsole [earlyser0] disabled [ 4.810909][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 4.828396][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 4.836678][ T0] ... MAX_LOCK_DEPTH: 48 [ 4.845230][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 4.853890][ T0] ... CLASSHASH_SIZE: 4096 [ 4.863999][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 4.873851][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 4.883851][ T0] ... CHAINHASH_SIZE: 32768 [ 4.895180][ T0] memory used by lock dependency info: 6365 kB [ 4.908735][ T0] memory used for stack traces: 4224 kB [ 4.919502][ T0] per task-struct memory footprint: 1920 bytes [ 4.933969][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 4.957937][ T0] ACPI: Core revision 20210105 [ 4.968984][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 4.991996][ T0] APIC: Switch to symmetric I/O mode setup [ 5.006265][ T0] kvm-guest: setup PV IPIs [ 5.035369][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 5.046310][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 5.065763][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 5.075670][ T0] pid_max: default: 32768 minimum: 301 [ 5.086321][ T0] LSM: Security Framework initializing [ 5.095828][ T0] Yama: becoming mindful. [ 5.103307][ T0] TOMOYO Linux initialized [ 5.106479][ T0] AppArmor: AppArmor initialized [ 5.115724][ T0] LSM support for eBPF active [ 5.140869][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 5.148290][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 5.166067][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 5.175808][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 5.201236][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 5.208248][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 5.215668][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 5.225814][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 5.235778][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 5.235898][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 5.255793][ T0] MDS: Mitigation: Clear CPU buffers [ 5.268447][ T0] Freeing SMP alternatives memory: 104K [ 5.280335][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 5.295027][ T1] Running RCU-tasks wait API self tests [ 5.416359][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 5.427879][ T1] rcu: Hierarchical SRCU implementation. [ 5.435934][ T13] Callback from call_rcu_tasks_trace() invoked. [ 5.456770][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 5.470085][ T1] smp: Bringing up secondary CPUs ... [ 5.481447][ T1] x86: Booting SMP configuration: [ 5.485930][ T1] .... node #0, CPUs: #1 [ 0.383944][ T0] kvm-clock: cpu 1, msr f3a3041, secondary cpu clock [ 5.517267][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 5.525643][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 5.536569][ 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. [ 5.550209][ T1] #2 [ 0.383944][ T0] kvm-clock: cpu 2, msr f3a3081, secondary cpu clock [ 5.578377][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 5.585643][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 5.601015][ T1] #3 [ 0.383944][ T0] kvm-clock: cpu 3, msr f3a30c1, secondary cpu clock [ 5.635698][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 5.635698][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 5.655707][ T12] Callback from call_rcu_tasks() invoked. [ 5.667632][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.675855][ T1] smpboot: Max logical packages: 2 [ 5.685104][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 5.699023][ T1] devtmpfs: initialized [ 5.709611][ T1] x86/mm: Memory block size: 128MB [ 5.776569][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.775849][ T37] kworker/u17:0 (37) used greatest stack depth: 27304 bytes left [ 5.797296][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.843000][ T1] PM: RTC time: 20:35:48, date: 2021-03-09 [ 5.863951][ T1] NET: Registered protocol family 16 [ 5.887706][ T1] audit: initializing netlink subsys (disabled) [ 5.907459][ T50] audit: type=2000 audit(1615322148.564:1): state=initialized audit_enabled=0 res=1 [ 5.918143][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.926503][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.938484][ T1] cpuidle: using governor menu [ 5.957578][ T1] NET: Registered protocol family 42 [ 5.975302][ T1] ACPI: bus type PCI registered [ 5.979461][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.985748][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 6.247448][ T1] PCI: Using configuration type 1 for base access [ 6.341218][ T165] ------------[ cut here ]------------ [ 6.355841][ T165] raw_local_irq_restore() called with IRQs enabled [ 6.372777][ T165] WARNING: CPU: 3 PID: 165 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 6.371364][ T232] kworker/u17:3 (232) used greatest stack depth: 27296 bytes left [ 6.396193][ T165] Modules linked in: [ 6.396406][ T165] CPU: 3 PID: 165 Comm: kworker/u17:0 Not tainted 5.12.0-rc2-syzkaller #0 [ 6.396438][ T165] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 6.396452][ T165] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 6.396496][ T165] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 0c 1b ae 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 fb 1a ae 04 01 e8 57 6d be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 6.396518][ T165] RSP: 0000:ffffc90000ca7bd8 EFLAGS: 00010286 [ 6.396540][ T165] RAX: 0000000000000000 RBX: ffffffff8bdf14c0 RCX: 0000000000000000 [ 6.396558][ T165] RDX: ffff888012985340 RSI: ffffffff815c0eb5 RDI: fffff52000194f6d [ 6.396575][ T165] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 6.396590][ T165] R10: ffffffff815b9c4e R11: 0000000000000000 R12: 0000000000000003 [ 6.396607][ T165] R13: fffffbfff17be298 R14: 0000000000000001 R15: ffff88802cd35f40 [ 6.396632][ T165] FS: 0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000 [ 6.396718][ T165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.426176][ T256] kworker/u17:3 (256) used greatest stack depth: 26728 bytes left [ 6.435888][ T165] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 6.816010][ T165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.845758][ T165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.865772][ T165] Call Trace: [ 6.875438][ T165] kvm_wait+0xc9/0xe0 [ 6.889428][ T165] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 6.908706][ T165] ? pv_hash+0x100/0x100 [ 6.915768][ T165] ? lock_release+0x720/0x720 [ 6.935793][ T165] do_raw_spin_lock+0x200/0x2b0 [ 6.945736][ T165] ? rwlock_bug.part.0+0x90/0x90 [ 6.965846][ T165] pgd_alloc+0x118/0x360 [ 6.985949][ T165] ? pgd_page_get_mm+0x40/0x40 [ 6.995790][ T165] ? lockdep_init_map_type+0x2c3/0x7b0 [ 7.015886][ T165] ? lockdep_init_map_type+0x2c3/0x7b0 [ 7.026116][ T165] mm_init+0x613/0xab0 [ 7.041034][ T165] mm_alloc+0xa2/0xc0 [ 7.048572][ T165] alloc_bprm+0x1c6/0x8f0 [ 7.055769][ T165] kernel_execve+0x55/0x460 [ 7.075820][ T165] call_usermodehelper_exec_async+0x2de/0x580 [ 7.079458][ T1037] kworker/u17:4 (1037) used greatest stack depth: 26304 bytes left [ 7.085722][ T165] ? umh_complete+0x90/0x90 [ 7.119218][ T165] ret_from_fork+0x1f/0x30 [ 7.125798][ T165] Kernel panic - not syncing: panic_on_warn set ... [ 7.135998][ T165] CPU: 3 PID: 165 Comm: kworker/u17:0 Not tainted 5.12.0-rc2-syzkaller #0 [ 7.162167][ T165] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 7.195809][ T165] Call Trace: [ 7.195809][ T165] dump_stack+0x141/0x1d7 [ 7.209884][ T165] panic+0x306/0x73d [ 7.219356][ T165] ? __warn_printk+0xf3/0xf3 [ 7.238650][ T165] ? __warn.cold+0x1a/0x44 [ 7.248012][ T165] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.263079][ T165] __warn.cold+0x35/0x44 [ 7.263079][ T165] ? wake_up_klogd.part.0+0x8e/0xd0 [ 7.294169][ T165] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.294169][ T165] report_bug+0x1bd/0x210 [ 7.316280][ T165] handle_bug+0x3c/0x60 [ 7.329662][ T165] exc_invalid_op+0x14/0x40 [ 7.329662][ T165] asm_exc_invalid_op+0x12/0x20 [ 7.346296][ T165] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 7.362518][ T165] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 0c 1b ae 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 fb 1a ae 04 01 e8 57 6d be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 7.401773][ T165] RSP: 0000:ffffc90000ca7bd8 EFLAGS: 00010286 [ 7.418589][ T165] RAX: 0000000000000000 RBX: ffffffff8bdf14c0 RCX: 0000000000000000 [ 7.425836][ T165] RDX: ffff888012985340 RSI: ffffffff815c0eb5 RDI: fffff52000194f6d [ 7.425836][ T165] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 7.425836][ T165] R10: ffffffff815b9c4e R11: 0000000000000000 R12: 0000000000000003 [ 7.425836][ T165] R13: fffffbfff17be298 R14: 0000000000000001 R15: ffff88802cd35f40 [ 7.485878][ T165] ? wake_up_klogd.part.0+0x8e/0xd0 [ 7.505698][ T165] ? vprintk_func+0x95/0x1e0 [ 7.505698][ T165] ? warn_bogus_irq_restore+0x1d/0x20 [ 7.523504][ T165] kvm_wait+0xc9/0xe0 [ 7.530773][ T165] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 7.530773][ T165] ? pv_hash+0x100/0x100 [ 7.530773][ T165] ? lock_release+0x720/0x720 [ 7.530773][ T165] do_raw_spin_lock+0x200/0x2b0 [ 7.564486][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 7.530773][ T165] ? rwlock_bug.part.0+0x90/0x90 [ 7.530773][ T165] pgd_alloc+0x118/0x360 [ 7.530773][ T165] ? pgd_page_get_mm+0x40/0x40 [ 7.530773][ T165] ? lockdep_init_map_type+0x2c3/0x7b0 [ 7.530773][ T165] ? lockdep_init_map_type+0x2c3/0x7b0 [ 7.530773][ T165] mm_init+0x613/0xab0 [ 7.575765][ T165] mm_alloc+0xa2/0xc0 [ 7.575789][ T165] alloc_bprm+0x1c6/0x8f0 [ 7.575797][ T165] kernel_execve+0x55/0x460 [ 7.575797][ T165] call_usermodehelper_exec_async+0x2de/0x580 [ 7.591645][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 7.575797][ T165] ? umh_complete+0x90/0x90 [ 7.675883][ T1] cryptd: max_cpu_qlen set to 1000 [ 7.665779][ T165] ret_from_fork+0x1f/0x30 [ 7.686586][ T165] Dumping ftrace buffer: [ 7.686586][ T165] (ftrace buffer empty) [ 7.686586][ T165] Rebooting in 1 seconds.. [ 7.686586][ T165] ACPI MEMORY or I/O RESET_REG.