watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:22023] Modules linked in: irq event stamp: 26556 hardirqs last enabled at (26555): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (26556): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (596): [] __do_softirq+0x662/0x95a kernel/softirq.c:320 softirqs last disabled at (517): [] invoke_softirq kernel/softirq.c:374 [inline] softirqs last disabled at (517): [] irq_exit+0x180/0x1d0 kernel/softirq.c:414 CPU: 0 PID: 22023 Comm: syz-executor.3 Not tainted 5.1.0-rc6+ #89 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x13e/0x420 kernel/smp.c:302 Code: 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 23 fa ff ff 41 89 c5 eb 07 e8 e9 87 0a 00 f3 90 44 8b 64 24 58 <31> ff 41 83 e4 01 44 89 e6 e8 54 89 0a 00 45 85 e4 75 e1 e8 ca 87 RSP: 0018:ffff88809277f3e0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880a8bfc040 RBX: 1ffff110124efe80 RCX: ffffffff8166051c RDX: 0000000000000000 RSI: ffffffff81660507 RDI: 0000000000000005 RBP: ffff88809277f4b8 R08: ffff8880a8bfc040 R09: ffffed1015d25be9 R10: ffffed1015d25be8 R11: ffff8880ae92df47 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fd569980700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd56997e178 CR3: 00000000a4fd2000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x750/0x8c0 kernel/smp.c:434 smp_call_function+0x42/0x90 kernel/smp.c:492 on_each_cpu+0x31/0x200 kernel/smp.c:602 text_poke_bp+0x107/0x19b arch/x86/kernel/alternative.c:821 __jump_label_transform+0x263/0x330 arch/x86/kernel/jump_label.c:91 arch_jump_label_transform+0x2b/0x40 arch/x86/kernel/jump_label.c:99 __jump_label_update+0x16a/0x210 kernel/jump_label.c:389 jump_label_update kernel/jump_label.c:752 [inline] jump_label_update+0x1ce/0x3d0 kernel/jump_label.c:731 static_key_slow_inc_cpuslocked+0x1c1/0x250 kernel/jump_label.c:129 static_key_slow_inc+0x1b/0x30 kernel/jump_label.c:144 kvm_arch_vcpu_init+0x6b7/0x870 arch/x86/kvm/x86.c:9068 kvm_vcpu_init+0x272/0x370 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0x191/0x2540 arch/x86/kvm/vmx/vmx.c:6577 kvm_arch_vcpu_create+0x80/0x120 arch/x86/kvm/x86.c:8755 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2569 [inline] kvm_vm_ioctl+0x5ce/0x19c0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3105 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd56997fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5699806d4 R13: 00000000004c1905 R14: 00000000004d40d0 R15: 00000000ffffffff Sending NMI from CPU 0 to CPUs 1: