mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-...!: (9186 ticks this GP) idle=8f5/1/0x4000000000000000 softirq=3780/3780 fqs=0 (t=10502 jiffies g=3693 q=143) rcu: rcu_sched kthread starved for 10503 jiffies! g3693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_sched state:R running task stack:28824 pid: 11 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4940 [inline] __schedule+0x947/0x22b0 kernel/sched/core.c:6287 schedule+0xcf/0x270 kernel/sched/core.c:6366 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x164/0x550 kernel/rcu/tree.c:1957 rcu_gp_kthread+0x138/0x1d0 kernel/rcu/tree.c:2130 kthread+0x3c2/0x4a0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 1168 Comm: systemd-udevd Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x49/0x148 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1d5/0x1f0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_check_gp_kthread_starvation+0x1d2/0x1ef kernel/rcu/tree_stall.h:481 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3880 [inline] rcu_sched_clock_irq.cold+0x15a/0x3d4 kernel/rcu/tree.c:2599 update_process_times+0x139/0x1b0 kernel/time/timer.c:1785 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1a4/0x2c0 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xd80 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xf5/0x430 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x2f/0x90 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:_raw_spin_unlock_irqrestore+0x3a/0x50 kernel/locking/spinlock.c:195 Code: 10 e8 da cc 63 fb 48 89 ef e8 b2 40 64 fb 81 e3 00 02 00 00 75 17 9c 58 f6 c4 02 75 17 48 85 db 74 01 fb 65 ff 0d 76 55 3d 7a <5b> 5d c3 e8 1e 31 83 fb eb e2 e8 07 38 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000007b28 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff14ae27a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85c499d2 RBP: ffff88810cfe4000 R08: 0000000000000001 R09: ffffffff8a538837 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810d0ea440 R13: ffff888103396400 R14: dffffc0000000000 R15: ffff888120a6f600 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] dummy_timer+0x12f6/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:2001 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0x9e0 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1747 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 do_softirq.part.0+0x96/0xe0 kernel/softirq.c:459 do_softirq arch/x86/include/asm/preempt.h:27 [inline] __local_bh_enable_ip+0xd3/0xf0 kernel/softirq.c:383 local_bh_enable include/linux/bottom_half.h:32 [inline] netlink_create+0x402/0x5e0 net/netlink/af_netlink.c:709 __sock_create+0x363/0x7a0 net/socket.c:1464 sock_create net/socket.c:1515 [inline] __sys_socket+0xef/0x200 net/socket.c:1557 __do_sys_socket net/socket.c:1566 [inline] __se_sys_socket net/socket.c:1564 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1564 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fbc42d8cf17 Code: 73 01 c3 48 8b 0d 81 ef 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ef 2a 00 f7 d8 64 89 01 48 RSP: 002b:00007fff5fd78178 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000056256aa69a00 RCX: 00007fbc42d8cf17 RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 RBP: 000056256aa440e0 R08: 000056256aa440e0 R09: 0000000000000210 R10: 000000000000000f R11: 0000000000000286 R12: 00000000ffffffff R13: 0000000000000000 R14: 000056256aa44010 R15: 000056256aa44028 NMI backtrace for cpu 0 CPU: 0 PID: 1168 Comm: systemd-udevd Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x49/0x148 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1d5/0x1f0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x222/0x2a7 kernel/rcu/tree_stall.h:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3880 [inline] rcu_sched_clock_irq.cold+0x15f/0x3d4 kernel/rcu/tree.c:2599 update_process_times+0x139/0x1b0 kernel/time/timer.c:1785 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1a4/0x2c0 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xd80 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x2e8/0x740 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xf5/0x430 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x2f/0x90 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:_raw_spin_unlock_irqrestore+0x3a/0x50 kernel/locking/spinlock.c:195 Code: 10 e8 da cc 63 fb 48 89 ef e8 b2 40 64 fb 81 e3 00 02 00 00 75 17 9c 58 f6 c4 02 75 17 48 85 db 74 01 fb 65 ff 0d 76 55 3d 7a <5b> 5d c3 e8 1e 31 83 fb eb e2 e8 07 38 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000007b28 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff14ae27a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85c499d2 RBP: ffff88810cfe4000 R08: 0000000000000001 R09: ffffffff8a538837 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810d0ea440 R13: ffff888103396400 R14: dffffc0000000000 R15: ffff888120a6f600 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] dummy_timer+0x12f6/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:2001 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0x9e0 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1747 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 do_softirq.part.0+0x96/0xe0 kernel/softirq.c:459 do_softirq arch/x86/include/asm/preempt.h:27 [inline] __local_bh_enable_ip+0xd3/0xf0 kernel/softirq.c:383 local_bh_enable include/linux/bottom_half.h:32 [inline] netlink_create+0x402/0x5e0 net/netlink/af_netlink.c:709 __sock_create+0x363/0x7a0 net/socket.c:1464 sock_create net/socket.c:1515 [inline] __sys_socket+0xef/0x200 net/socket.c:1557 __do_sys_socket net/socket.c:1566 [inline] __se_sys_socket net/socket.c:1564 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1564 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fbc42d8cf17 Code: 73 01 c3 48 8b 0d 81 ef 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ef 2a 00 f7 d8 64 89 01 48 RSP: 002b:00007fff5fd78178 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000056256aa69a00 RCX: 00007fbc42d8cf17 RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 RBP: 000056256aa440e0 R08: 000056256aa440e0 R09: 0000000000000210 R10: 000000000000000f R11: 0000000000000286 R12: 00000000ffffffff R13: 0000000000000000 R14: 000056256aa44010 R15: 000056256aa44028 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 ---------------- Code disassembly (best guess): 0: 10 e8 adc %ch,%al 2: da cc fcmove %st(4),%st 4: 63 fb movsxd %ebx,%edi 6: 48 89 ef mov %rbp,%rdi 9: e8 b2 40 64 fb callq 0xfb6440c0 e: 81 e3 00 02 00 00 and $0x200,%ebx 14: 75 17 jne 0x2d 16: 9c pushfq 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 75 17 jne 0x34 1d: 48 85 db test %rbx,%rbx 20: 74 01 je 0x23 22: fb sti 23: 65 ff 0d 76 55 3d 7a decl %gs:0x7a3d5576(%rip) # 0x7a3d55a0 * 2a: 5b pop %rbx <-- trapping instruction 2b: 5d pop %rbp 2c: c3 retq 2d: e8 1e 31 83 fb callq 0xfb833150 32: eb e2 jmp 0x16 34: e8 07 38 fe ff callq 0xfffe3840 39: eb e2 jmp 0x1d 3b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)