ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=82357, q=10666) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295000830-4294990328), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.5 R running task 26200 27152 14176 0x00000000 Call Trace: sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1650 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1465 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:vcpu_enter_guest arch/x86/kvm/x86.c:7838 [inline] RIP: 0010:vcpu_run arch/x86/kvm/x86.c:7920 [inline] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x25f4/0x6f70 arch/x86/kvm/x86.c:8120 Code: 89 48 c1 e8 03 42 80 3c 38 00 0f 85 b7 41 00 00 48 83 3d 06 2e e4 08 00 0f 84 26 35 00 00 e8 d3 30 55 00 fb 66 0f 1f 44 00 00 01 00 00 00 e8 22 18 34 00 65 8b 1d 9b 8a f4 7e 31 ff 89 de e8 RSP: 0018:ffff888094c17a10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: ffff88809edc0240 RCX: ffffc90012ff5000 RDX: 0000000000040000 RSI: ffffffff810d549d RDI: ffff88809edc0ac4 RBP: ffff888094c17bb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888055f28cc0 R14: ffff888055f28cf0 R15: dffffc0000000000 kvm_vcpu_ioctl+0x493/0xe10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2847 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd47ae4ba39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd4783c1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd47af5ef60 RCX: 00007fd47ae4ba39 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 00007fd47aea5e8f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8520bd1f R14: 00007fd4783c1300 R15: 0000000000022000 rcu: rcu_preempt kthread starved for 10502 jiffies! g82357 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29208 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 89 48 c1 mov %ecx,-0x3f(%rax) 3: e8 03 42 80 3c callq 0x3c80420b 8: 38 00 cmp %al,(%rax) a: 0f 85 b7 41 00 00 jne 0x41c7 10: 48 83 3d 06 2e e4 08 cmpq $0x0,0x8e42e06(%rip) # 0x8e42e1e 17: 00 18: 0f 84 26 35 00 00 je 0x3544 1e: e8 d3 30 55 00 callq 0x5530f6 23: fb sti 24: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 22 18 34 00 callq 0x341856 34: 65 8b 1d 9b 8a f4 7e mov %gs:0x7ef48a9b(%rip),%ebx # 0x7ef48ad6 3b: 31 ff xor %edi,%edi 3d: 89 de mov %ebx,%esi 3f: e8 .byte 0xe8