watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor1:15458] Modules linked in: irq event stamp: 290506 hardirqs last enabled at (290505): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (290506): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (10270): [] __do_softirq+0x74d/0xa74 kernel/softirq.c:318 softirqs last disabled at (10225): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (10225): [] irq_exit+0x1d6/0x210 kernel/softirq.c:412 CPU: 0 PID: 15458 Comm: syz-executor1 Not tainted 4.19.0-rc1+ #213 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x3f0/0x5c0 kernel/smp.c:302 Code: 01 e8 c6 00 f8 48 89 44 24 28 e8 9b 3b 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 75 3a 0c 00 f3 90 48 89 d8 <41> c6 04 24 04 48 c1 e8 03 42 0f b6 04 28 84 c0 74 08 3c 03 0f 8e RSP: 0018:ffff88019547ed40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88019547edb8 RBX: ffff88019547edb8 RCX: ffffc90002216000 RDX: 0000000000040000 RSI: ffffffff8170860b RDI: 0000000000000005 RBP: ffff88019547eea0 R08: ffff8801b0a9c6c0 R09: ffffed003b625b98 R10: ffffed003b625b98 R11: ffff8801db12dcc7 R12: ffffed0032a8fdc4 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007fef2e425700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32722000 CR3: 00000001b1c3d000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x884/0xa40 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x46/0x1d0 kernel/smp.c:604 text_poke_bp+0xc0/0x16a arch/x86/kernel/alternative.c:803 __jump_label_transform.isra.0+0x478/0x8f0 arch/x86/kernel/jump_label.c:105 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:113 __jump_label_update+0x16e/0x1a0 kernel/jump_label.c:375 jump_label_update+0x151/0x2e0 kernel/jump_label.c:760 static_key_slow_inc_cpuslocked+0x341/0x430 kernel/jump_label.c:110 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:125 kvm_create_lapic+0x16d/0x1f0 arch/x86/kvm/lapic.c:2227 kvm_arch_vcpu_init+0x67c/0x830 arch/x86/kvm/x86.c:8742 kvm_vcpu_init+0x2fb/0x420 arch/x86/kvm/../../../virt/kvm/kvm_main.c:317 vmx_create_vcpu+0x14c/0x2830 arch/x86/kvm/vmx.c:10963 kvm_arch_vcpu_create+0xe5/0x220 arch/x86/kvm/x86.c:8434 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2476 [inline] kvm_vm_ioctl+0x488/0x1d80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2977 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fef2e424c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fef2e4256d4 RCX: 0000000000457089 RDX: 0000000000000201 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cea40 R14: 00000000004c5106 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15442 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #213 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:vmx_get_cpl+0x1/0x90 arch/x86/kvm/vmx.c:5486 Code: 89 df 89 45 e4 e8 7f e2 9f 00 8b 45 e4 eb e3 4c 89 e7 89 45 e4 e8 6f e2 9f 00 8b 45 e4 eb a3 66 2e 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 54 53 48 89 fb e8 71 e4 60 00 48 8d bb 20 59 00 00 48 RSP: 0018:ffff8801952d7118 EFLAGS: 00000046 RAX: ffffffff811bdc00 RBX: ffff88018e3a0940 RCX: ffffffff810ed517 RDX: 1ffffffff0f9a219 RSI: ffffffff810ed521 RDI: ffff88018e3a0940 RBP: ffff8801952d7158 R08: ffff8801b585c440 R09: fffff520027cd447 R10: fffff520027cd447 R11: ffffc90013e6a23b R12: ffffffff87cd1000 R13: ffff88018e3a0940 R14: dffffc0000000000 R15: ffff8801db12cc80 FS: 00007f5fe1a13700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32624000 CR3: 00000001ae122000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_sched_out+0x91/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3985 __fire_sched_out_preempt_notifiers kernel/sched/core.c:2497 [inline] fire_sched_out_preempt_notifiers kernel/sched/core.c:2505 [inline] prepare_task_switch kernel/sched/core.c:2611 [inline] context_switch kernel/sched/core.c:2790 [inline] __schedule+0xf1e/0x1df0 kernel/sched/core.c:3473 preempt_schedule_common+0x22/0x60 kernel/sched/core.c:3597 _cond_resched+0x1d/0x30 kernel/sched/core.c:4963 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x292/0x710 mm/slab.c:3552 kmem_cache_zalloc include/linux/slab.h:697 [inline] mmu_topup_memory_cache arch/x86/kvm/mmu.c:917 [inline] mmu_topup_memory_caches+0xf7/0x3a0 arch/x86/kvm/mmu.c:963 kvm_mmu_load+0x21/0x1260 arch/x86/kvm/mmu.c:4957 kvm_mmu_reload arch/x86/kvm/mmu.h:86 [inline] vcpu_enter_guest+0x3c8b/0x61a0 arch/x86/kvm/x86.c:7495 vcpu_run arch/x86/kvm/x86.c:7693 [inline] kvm_arch_vcpu_ioctl_run+0x373/0x16d0 arch/x86/kvm/x86.c:7870 kvm_vcpu_ioctl+0x7b8/0x1280 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2590 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5fe1a12c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5fe1a136d4 RCX: 0000000000457089 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ceea8 R14: 00000000004c5529 R15: 0000000000000000