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 2-1:0.0: Error: urb status = -71 rcu: INFO: rcu_sched self-detected stall on CPU rcu: 1-...!: (5605 ticks this GP) idle=cc7/1/0x4000000000000000 softirq=3983/3983 fqs=1 (t=10503 jiffies g=3605 q=103) rcu: rcu_sched kthread starved for 6385 jiffies! g3605 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 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:28072 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 1 CPU: 1 PID: 1 Comm: systemd 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 0a bd 63 fb 48 89 ef e8 e2 30 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 a6 45 3d 7a <5b> 5d c3 e8 4e 21 83 fb eb e2 e8 07 38 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000148b28 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff14ae292 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85c4a9a2 RBP: ffff88810cd60000 R08: 0000000000000001 R09: ffffffff8a538837 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810cde5440 R13: ffff8881069ad100 R14: dffffc0000000000 R15: ffff88811f604400 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] unix_sock_destructor+0x2b1/0x380 net/unix/af_unix.c:527 __sk_destruct+0x4b/0x800 net/core/sock.c:1914 sk_destruct+0xbd/0xe0 net/core/sock.c:1958 __sk_free+0xef/0x3d0 net/core/sock.c:1969 sock_wfree+0x129/0x240 net/core/sock.c:2193 unix_destruct_scm+0x1ba/0x240 net/unix/scm.c:150 skb_release_head_state+0x9f/0x280 net/core/skbuff.c:728 skb_release_all net/core/skbuff.c:739 [inline] __kfree_skb net/core/skbuff.c:755 [inline] consume_skb net/core/skbuff.c:911 [inline] consume_skb+0x89/0x160 net/core/skbuff.c:905 skb_free_datagram+0x16/0xf0 net/core/datagram.c:325 __unix_dgram_recvmsg+0x6f1/0xb80 net/unix/af_unix.c:2346 sock_recvmsg_nosec net/socket.c:944 [inline] sock_recvmsg net/socket.c:962 [inline] sock_recvmsg net/socket.c:958 [inline] ____sys_recvmsg+0x2c4/0x600 net/socket.c:2628 ___sys_recvmsg+0x127/0x200 net/socket.c:2670 __sys_recvmsg+0xf0/0x1c0 net/socket.c:2700 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: 0033:0x7f84c812be10 Code: 40 00 41 54 55 41 89 d4 53 48 89 f5 89 fb 48 83 ec 10 e8 73 f0 ff ff 48 63 fb 41 89 c0 49 63 d4 48 89 ee b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 44 89 c7 48 89 44 24 08 e8 ab f0 ff ff 48 RSP: 002b:00007ffff148bd40 EFLAGS: 00000293 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f84c812be10 RDX: 0000000040000060 RSI: 00007ffff148bda0 RDI: 000000000000000d RBP: 00007ffff148bda0 R08: 0000000000000000 R09: 0000558be540d618 R10: 0000558be540d5e0 R11: 0000000000000293 R12: 0000000040000060 R13: 0000000000000000 R14: 0000558be39bea20 R15: 0000000000000002 NMI backtrace for cpu 1 CPU: 1 PID: 1 Comm: systemd 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 0a bd 63 fb 48 89 ef e8 e2 30 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 a6 45 3d 7a <5b> 5d c3 e8 4e 21 83 fb eb e2 e8 07 38 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000148b28 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff14ae292 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85c4a9a2 RBP: ffff88810cd60000 R08: 0000000000000001 R09: ffffffff8a538837 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810cde5440 R13: ffff8881069ad100 R14: dffffc0000000000 R15: ffff88811f604400 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] unix_sock_destructor+0x2b1/0x380 net/unix/af_unix.c:527 __sk_destruct+0x4b/0x800 net/core/sock.c:1914 sk_destruct+0xbd/0xe0 net/core/sock.c:1958 __sk_free+0xef/0x3d0 net/core/sock.c:1969 sock_wfree+0x129/0x240 net/core/sock.c:2193 unix_destruct_scm+0x1ba/0x240 net/unix/scm.c:150 skb_release_head_state+0x9f/0x280 net/core/skbuff.c:728 skb_release_all net/core/skbuff.c:739 [inline] __kfree_skb net/core/skbuff.c:755 [inline] consume_skb net/core/skbuff.c:911 [inline] consume_skb+0x89/0x160 net/core/skbuff.c:905 skb_free_datagram+0x16/0xf0 net/core/datagram.c:325 __unix_dgram_recvmsg+0x6f1/0xb80 net/unix/af_unix.c:2346 sock_recvmsg_nosec net/socket.c:944 [inline] sock_recvmsg net/socket.c:962 [inline] sock_recvmsg net/socket.c:958 [inline] ____sys_recvmsg+0x2c4/0x600 net/socket.c:2628 ___sys_recvmsg+0x127/0x200 net/socket.c:2670 __sys_recvmsg+0xf0/0x1c0 net/socket.c:2700 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: 0033:0x7f84c812be10 Code: 40 00 41 54 55 41 89 d4 53 48 89 f5 89 fb 48 83 ec 10 e8 73 f0 ff ff 48 63 fb 41 89 c0 49 63 d4 48 89 ee b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 44 89 c7 48 89 44 24 08 e8 ab f0 ff ff 48 RSP: 002b:00007ffff148bd40 EFLAGS: 00000293 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f84c812be10 RDX: 0000000040000060 RSI: 00007ffff148bda0 RDI: 000000000000000d RBP: 00007ffff148bda0 R08: 0000000000000000 R09: 0000558be540d618 R10: 0000558be540d5e0 R11: 0000000000000293 R12: 0000000040000060 R13: 0000000000000000 R14: 0000558be39bea20 R15: 0000000000000002 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: 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 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: 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 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 mceusb 2-1:0.0: Error: urb status = -71 ---------------- Code disassembly (best guess): 0: 10 e8 adc %ch,%al 2: 0a bd 63 fb 48 89 or -0x76b7049d(%rbp),%bh 8: ef out %eax,(%dx) 9: e8 e2 30 64 fb callq 0xfb6430f0 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 a6 45 3d 7a decl %gs:0x7a3d45a6(%rip) # 0x7a3d45d0 * 2a: 5b pop %rbx <-- trapping instruction 2b: 5d pop %rbp 2c: c3 retq 2d: e8 4e 21 83 fb callq 0xfb832180 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)