[ 0.000000][ T0] Linux version 5.12.0-rc3-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: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] [Firmware Bug]: TSC doesn't count with P0 frequency! [ 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 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] Malformed early option 'vsyscall' [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000][ T0] kvm-clock: cpu 0, msr f38f001, primary cpu clock [ 0.000000][ T0] kvm-clock: using sched offset of 5004168150 cycles [ 0.001358][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003807][ T0] tsc: Detected 2249.996 MHz processor [ 0.008625][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010088][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011300][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.014236][ T0] found SMP MP-table at [mem 0x000f2700-0x000f270f] [ 0.015294][ T0] Using GB pages for direct mapping [ 0.017287][ T0] ACPI: Early table checksum verification disabled [ 0.018363][ T0] ACPI: RSDP 0x00000000000F2480 000014 (v00 Google) [ 0.019360][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.020811][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.022658][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.024143][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.025041][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.025954][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.027570][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.028913][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.030444][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.032230][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.033007][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.033702][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.034766][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.035829][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.037218][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.039001][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.040601][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.042331][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.044190][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.045490][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.062298][ T0] Zone ranges: [ 0.063618][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.064828][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.066573][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.067513][ T0] Device empty [ 0.068077][ T0] Movable zone start for each node [ 0.068857][ T0] Early memory node ranges [ 0.069672][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.070883][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.071891][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.073140][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.074309][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.076996][ T0] DMA zone: 28770 pages in unavailable ranges [ 0.101329][ T0] DMA32 zone: 3 pages in unavailable ranges [ 0.111385][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.266837][ T0] kasan: KernelAddressSanitizer initialized [ 0.268973][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.269886][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.271115][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.272418][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.273763][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.274861][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.276590][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.277847][ T0] Using ACPI (MADT) for SMP configuration information [ 0.279113][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.280201][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.281495][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.282843][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.284080][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.285296][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.286764][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.287902][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.289142][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.290885][ T0] Booting paravirtualized kernel on KVM [ 0.291617][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.341747][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.344023][ T0] percpu: Embedded 64 pages/cpu s223688 r8192 d30264 u1048576 [ 0.345319][ T0] kvm-guest: PV spinlocks enabled [ 0.346099][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.347378][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.348690][ T0] Policy zone: Normal [ 0.349213][ 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 BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.364650][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.939187][ T0] Memory: 6849736K/8388204K available (135201K kernel code, 33285K rwdata, 38328K rodata, 3852K init, 17008K bss, 1538212K reserved, 0K cma-reserved) [ 0.944579][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.947523][ T0] Running RCU self tests [ 0.948813][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.949885][ T0] rcu: RCU lockdep checking is enabled. [ 0.950618][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.951858][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 0.952875][ T0] rcu: RCU debug extended QS entry/exit. [ 0.953976][ T0] All grace periods are expedited (rcu_expedited). [ 0.954819][ T0] Trampoline variant of Tasks RCU enabled. [ 0.955949][ T0] Tracing variant of Tasks RCU enabled. [ 0.956862][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.958090][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.977092][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.979525][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 0.981701][ T0] random: crng done (trusting CPU's manufacturer) [ 0.983534][ T0] Console: colour VGA+ 80x25 [ 0.984295][ T0] printk: console [ttyS0] enabled [ 0.984295][ T0] printk: console [ttyS0] enabled [ 0.985713][ T0] printk: bootconsole [earlyser0] disabled [ 0.985713][ T0] printk: bootconsole [earlyser0] disabled [ 0.987611][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.988822][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.989609][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.990306][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.991432][ T0] ... CLASSHASH_SIZE: 4096 [ 0.992167][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.993008][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.993823][ T0] ... CHAINHASH_SIZE: 32768 [ 0.994590][ T0] memory used by lock dependency info: 6365 kB [ 0.995657][ T0] memory used for stack traces: 4224 kB [ 0.996613][ T0] per task-struct memory footprint: 1920 bytes [ 0.997557][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.999468][ T0] ACPI: Core revision 20210105 [ 1.000771][ T0] APIC: Switch to symmetric I/O mode setup [ 1.007044][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.008665][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x206eb044ef0, max_idle_ns: 440795314624 ns [ 1.010883][ T0] Calibrating delay loop (skipped) preset value.. 4499.99 BogoMIPS (lpj=22499960) [ 1.013294][ T0] pid_max: default: 32768 minimum: 301 [ 1.014387][ T0] LSM: Security Framework initializing [ 1.015610][ T0] Yama: becoming mindful. [ 1.016475][ T0] TOMOYO Linux initialized [ 1.017432][ T0] AppArmor: AppArmor initialized [ 1.018266][ T0] LSM support for eBPF active [ 1.023598][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.027544][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.029380][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.030759][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.032960][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.035037][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 512 [ 1.036368][ T0] Last level dTLB entries: 4KB 2048, 2MB 2048, 4MB 1024, 1GB 0 [ 1.037901][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.040932][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.040975][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.044521][ T0] Freeing SMP alternatives memory: 104K [ 1.167031][ T1] smpboot: CPU0: AMD EPYC 7B12 (family: 0x17, model: 0x31, stepping: 0x0) [ 1.170875][ T1] Running RCU-tasks wait API self tests [ 1.291087][ T1] Performance Events: PMU not available due to virtualization, using software events only. [ 1.293640][ T1] rcu: Hierarchical SRCU implementation. [ 1.297509][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.299416][ T1] smp: Bringing up secondary CPUs ... [ 1.301579][ T1] x86: Booting SMP configuration: [ 1.303182][ T1] .... node #0, CPUs: #1 [ 0.031576][ T0] kvm-clock: cpu 1, msr f38f041, secondary cpu clock [ 1.306270][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.306270][ T1] smpboot: Max logical packages: 1 [ 1.306270][ T1] smpboot: Total of 2 processors activated (8999.98 BogoMIPS) [ 1.312313][ T1] devtmpfs: initialized [ 1.313318][ T1] x86/mm: Memory block size: 128MB [ 1.345099][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.345099][ T26] kworker/u4:0 (26) used greatest stack depth: 27832 bytes left [ 1.350961][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.356598][ T1] PM: RTC time: 09:47:59, date: 2021-03-15 [ 1.360931][ T1] NET: Registered protocol family 16 [ 1.360980][ T12] Callback from call_rcu_tasks_trace() invoked. [ 1.367028][ T1] audit: initializing netlink subsys (disabled) [ 1.370010][ T37] audit: type=2000 audit(1615801679.697:1): state=initialized audit_enabled=0 res=1 [ 1.372106][ T48] kworker/u4:1 (48) used greatest stack depth: 27304 bytes left [ 1.374305][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.374305][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.374305][ T1] cpuidle: using governor menu [ 1.380937][ T1] NET: Registered protocol family 42 [ 1.384545][ T1] ACPI: bus type PCI registered [ 1.391767][ T1] PCI: Using configuration type 1 for base access [ 1.393721][ T1] PCI: Using configuration type 1 for extended access [ 1.443622][ T185] kworker/u4:0 (185) used greatest stack depth: 27296 bytes left [ 1.529578][ T282] kworker/u4:0 (282) used greatest stack depth: 27072 bytes left [ 2.094664][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.097753][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.097753][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.112187][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.122741][ T36] ------------[ cut here ]------------ [ 2.132512][ T36] raw_local_irq_restore() called with IRQs enabled [ 2.132512][ T36] WARNING: CPU: 1 PID: 36 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 2.132512][ T36] Modules linked in: [ 2.132512][ T36] CPU: 1 PID: 36 Comm: kworker/1:1 Not tainted 5.12.0-rc3-syzkaller #0 [ 2.132957][ T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2.134411][ T36] Workqueue: events free_work [ 2.141408][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 2.142539][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d cd 09 ac 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 bc 09 ac 04 01 e8 89 d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 2.145804][ T36] RSP: 0018:ffffc90000e5faf8 EFLAGS: 00010286 [ 2.146918][ T36] RAX: 0000000000000000 RBX: ffffffff8c0874e0 RCX: 0000000000000000 [ 2.148588][ T36] RDX: ffff8880117e0000 RSI: ffffffff815c0975 RDI: fffff520001cbf51 [ 2.150604][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 2.152228][ T36] R10: ffffffff815b970e R11: 0000000000000000 R12: 0000000000000003 [ 2.153203][ T36] R13: fffffbfff1810e9c R14: 0000000000000001 R15: ffff8880b9d35f40 [ 2.154854][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 2.154151][ T36] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 2.156439][ T1] raid6: using avx2x2 recovery algorithm [ 2.158312][ T36] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.158312][ T36] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0 [ 2.158312][ T36] Call Trace: [ 2.158312][ T36] kvm_wait+0xc9/0xe0 [ 2.158312][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 2.158312][ T36] ? pv_hash+0x100/0x100 [ 2.158312][ T36] ? lock_release+0x720/0x720 [ 2.158312][ T36] do_raw_spin_lock+0x200/0x2b0 [ 2.158312][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.158312][ T36] __vunmap+0x66/0xb60 [ 2.158312][ T36] free_work+0x58/0x70 [ 2.158312][ T36] process_one_work+0x98d/0x1600 [ 2.158312][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2.158312][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.158312][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 2.158312][ T36] worker_thread+0x64c/0x1120 [ 2.158312][ T36] ? __kthread_parkme+0x13f/0x1e0 [ 2.158312][ T36] ? process_one_work+0x1600/0x1600 [ 2.158312][ T1] ACPI: Added _OSI(Module Device) [ 2.158312][ T36] kthread+0x3b1/0x4a0 [ 2.158312][ T36] ? __kthread_bind_mask+0xc0/0xc0 [ 2.158312][ T36] ret_from_fork+0x1f/0x30 [ 2.161542][ T1] ACPI: Added _OSI(Processor Device) [ 2.161528][ T36] Kernel panic - not syncing: panic_on_warn set ... [ 2.163048][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.161528][ T36] CPU: 1 PID: 36 Comm: kworker/1:1 Not tainted 5.12.0-rc3-syzkaller #0 [ 2.164521][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.161528][ T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2.166184][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.161528][ T36] Workqueue: events free_work [ 2.167470][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.161528][ T36] [ 2.161528][ T36] Call Trace: [ 2.169221][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.161528][ T36] dump_stack+0x141/0x1d7 [ 2.161528][ T36] panic+0x306/0x73d [ 2.161528][ T36] ? __warn_printk+0xf3/0xf3 [ 2.161528][ T36] ? __warn.cold+0x1a/0x44 [ 2.161528][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.161528][ T36] __warn.cold+0x35/0x44 [ 2.161528][ T36] ? wake_up_klogd.part.0+0x8e/0xd0 [ 2.161528][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.161528][ T36] report_bug+0x1bd/0x210 [ 2.161528][ T36] handle_bug+0x3c/0x60 [ 2.161528][ T36] exc_invalid_op+0x14/0x40 [ 2.161528][ T36] asm_exc_invalid_op+0x12/0x20 [ 2.161528][ T36] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 2.161528][ T36] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d cd 09 ac 04 00 74 01 c3 48 c7 c7 e0 8f 6b 89 c6 05 bc 09 ac 04 01 e8 89 d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 2.161528][ T36] RSP: 0018:ffffc90000e5faf8 EFLAGS: 00010286 [ 2.161528][ T36] RAX: 0000000000000000 RBX: ffffffff8c0874e0 RCX: 0000000000000000 [ 2.161528][ T36] RDX: ffff8880117e0000 RSI: ffffffff815c0975 RDI: fffff520001cbf51 [ 2.161528][ T36] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 2.161528][ T36] R10: ffffffff815b970e R11: 0000000000000000 R12: 0000000000000003 [ 2.161528][ T36] R13: fffffbfff1810e9c R14: 0000000000000001 R15: ffff8880b9d35f40 [ 2.161528][ T36] ? wake_up_klogd.part.0+0x8e/0xd0 [ 2.161528][ T36] ? vprintk_func+0x95/0x1e0 [ 2.161528][ T36] ? warn_bogus_irq_restore+0x1d/0x20 [ 2.161528][ T36] kvm_wait+0xc9/0xe0 [ 2.161528][ T36] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 [ 2.161528][ T36] ? pv_hash+0x100/0x100 [ 2.161528][ T36] ? lock_release+0x720/0x720 [ 2.161528][ T36] do_raw_spin_lock+0x200/0x2b0 [ 2.161528][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.161528][ T36] __vunmap+0x66/0xb60 [ 2.161528][ T36] free_work+0x58/0x70 [ 2.161528][ T36] process_one_work+0x98d/0x1600 [ 2.161528][ T36] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2.161528][ T36] ? rwlock_bug.part.0+0x90/0x90 [ 2.161528][ T36] ? _raw_spin_lock_irq+0x41/0x50 [ 2.161528][ T36] worker_thread+0x64c/0x1120 [ 2.161528][ T36] ? __kthread_parkme+0x13f/0x1e0 [ 2.161528][ T36] ? process_one_work+0x1600/0x1600 [ 2.161528][ T36] kthread+0x3b1/0x4a0 [ 2.161528][ T36] ? __kthread_bind_mask+0xc0/0xc0 [ 2.161528][ T36] ret_from_fork+0x1f/0x30 [ 2.161528][ T36] Rebooting in 86400 seconds..