watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:17878] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1815/0x6b00 kernel/fork.c:1960 softirqs last enabled at (0): [] copy_process+0x18bc/0x6b00 kernel/fork.c:1963 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 PID: 17878 Comm: syz-executor.3 Not tainted 5.3.0-rc4+ #132 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:csd_lock_wait kernel/smp.c:109 [inline] RIP: 0010:smp_call_function_single+0x18d/0x480 kernel/smp.c:311 Code: 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 b4 f7 ff ff 41 89 c5 eb 07 e8 ba 03 0b 00 f3 90 44 8b 64 24 58 <31> ff 41 83 e4 01 44 89 e6 e8 25 05 0b 00 45 85 e4 75 e1 e8 9b 03 RSP: 0018:ffff888066107460 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 1ffff1100cc20e90 RCX: ffffc9000aecf000 RDX: 0000000000040000 RSI: ffffffff81676d86 RDI: 0000000000000005 RBP: ffff888066107540 R08: ffff888092cbe500 R09: ffffed1015d26cc1 R10: ffffed1015d26cc0 R11: ffff8880ae936607 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fbcab051700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e12a000 CR3: 0000000068872000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x7ba/0x940 kernel/smp.c:451 smp_call_function+0x42/0x90 kernel/smp.c:509 on_each_cpu+0x2f/0x1f0 kernel/smp.c:616 text_poke_bp_batch+0x210/0x310 arch/x86/kernel/alternative.c:1081 arch_jump_label_transform_apply+0x2f/0x50 arch/x86/kernel/jump_label.c:167 __jump_label_update+0x1d0/0x260 kernel/jump_label.c:447 jump_label_update kernel/jump_label.c:806 [inline] jump_label_update+0x1ce/0x3d0 kernel/jump_label.c:785 static_key_slow_inc_cpuslocked+0x1c1/0x250 kernel/jump_label.c:144 static_key_slow_inc+0x1b/0x30 kernel/jump_label.c:159 kvm_create_lapic+0x1f9/0x320 arch/x86/kvm/lapic.c:2313 kvm_arch_vcpu_init+0x2fc/0x880 arch/x86/kvm/x86.c:9213 kvm_vcpu_init+0x2a7/0x3a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:319 vmx_create_vcpu+0x1f8/0x2f80 arch/x86/kvm/vmx/vmx.c:6640 kvm_arch_vcpu_create+0x7a/0x120 arch/x86/kvm/x86.c:8900 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2653 [inline] kvm_vm_ioctl+0x59e/0x18a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3205 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xdb6/0x13e0 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+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbcab050c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbcab0516d4 R13: 00000000004c2792 R14: 00000000004d5d90 R15: 00000000ffffffff Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11079 Comm: kworker/1:17 Not tainted 5.3.0-rc4+ #132 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: rcu_gp process_srcu RIP: 0010:delay_tsc+0x33/0xc0 arch/x86/lib/delay.c:68 Code: bf 01 00 00 00 41 55 41 54 53 e8 68 a7 13 fa e8 33 db 02 fc 41 89 c5 0f 01 f9 66 90 48 c1 e2 20 48 09 c2 49 89 d4 eb 16 f3 90 01 00 00 00 e8 43 a7 13 fa e8 0e db 02 fc 44 39 e8 75 36 0f 01 RSP: 0018:ffff8881e20e7bb0 EFLAGS: 00000286 RAX: 0000000080000000 RBX: 000004912788f158 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff833e0a3c RDI: 0000000000000001 RBP: ffff8881e20e7bd0 R08: ffff888095b76100 R09: 0000000000000040 R10: 0000000000000040 R11: ffffffff8a8d3967 R12: 000004912788cf24 R13: 0000000000000001 R14: 0000000000002ced R15: 000000000007fc55 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7de861c518 CR3: 0000000096476000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __delay arch/x86/lib/delay.c:161 [inline] __const_udelay+0x59/0x80 arch/x86/lib/delay.c:175 try_check_zero+0x201/0x330 kernel/rcu/srcutree.c:705 srcu_advance_state kernel/rcu/srcutree.c:1142 [inline] process_srcu+0x329/0xe20 kernel/rcu/srcutree.c:1237 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352