rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2681 jiffies s: 4721 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 NMI backtrace for cpu 0 CPU: 0 PID: 4527 Comm: syslogd Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:io_serial_out+0x7e/0xc0 drivers/tty/serial/8250/8250_port.c:413 Code: fc 89 e9 41 d3 e7 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 0c 7a bf fc 44 03 3b 44 89 f0 44 89 fa ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c a7 RSP: 0018:ffffc90000005930 EFLAGS: 00000002 RAX: 0000000000000020 RBX: ffffffff94ad1200 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 0000000000000000 R08: ffffffff853c713b R09: 1ffff11003f18046 R10: dffffc0000000000 R11: ffffffff853c70f0 R12: dffffc0000000000 R13: 0000000000000020 R14: 0000000000000020 R15: 00000000000003f8 FS: 00007fae1ac75380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d5aae56c6 CR3: 000000002dcf0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial8250_console_write+0x1212/0x1770 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2928 [inline] console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_err+0x122/0x170 drivers/base/core.c:5017 wdm_int_callback+0x41f/0xac0 drivers/usb/class/cdc-wdm.c:269 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:207 Code: 5b e9 73 4f 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d5 03 00 <65> 8b 15 f0 ad 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 RSP: 0018:ffffc90000006998 EFLAGS: 00000202 RAX: ffffffff81410e72 RBX: 0000000000000301 RCX: ffff88805bb60000 RDX: ffff88805bb60000 RSI: 0000000000000301 RDI: 0000000000000000 RBP: ffffc90000006ae0 R08: ffffffff81410e65 R09: ffffffff8141095f R10: 0000000000000003 R11: ffff88805bb60000 R12: ffffc90000006b80 R13: dffffc0000000000 R14: ffffc90000000000 R15: ffffc90000006b88 unwind_next_frame+0x1e82/0x2a00 arch/x86/kernel/unwind_orc.c:672 __unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kfree+0x149/0x360 mm/slub.c:4558 ieee80211_inform_bss+0xbb2/0x1080 net/mac80211/scan.c:160 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0x1121/0x2360 net/wireless/scan.c:2293 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline] ieee80211_rx_list+0x2b00/0x3780 net/mac80211/rx.c:5459 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482 ieee80211_rx include/net/mac80211.h:5093 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:437 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_get_return_address+0x68/0xc0 arch/x86/kernel/unwind_orc.c:369 Code: 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 eb fc ba 00 48 8b 3b e8 03 43 21 00 89 c5 31 ff 89 c6 e8 a8 3c 55 00 <85> ed 74 20 e8 5f 38 55 00 43 80 3c 37 00 74 08 48 89 df e8 c0 fc RSP: 0018:ffffc9000306f418 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc9000306f488 RCX: ffffffff91038000 RDX: ffff88805bb60000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff8140ee98 R09: ffffffff8141095f R10: 0000000000000003 R11: ffff88805bb60000 R12: ffff88805bb60000 R13: ffffffff8181e050 R14: dffffc0000000000 R15: 1ffff9200060de91 arch_stack_walk+0x125/0x1b0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kfree+0x149/0x360 mm/slub.c:4558 skb_kfree_head net/core/skbuff.c:1069 [inline] skb_free_head net/core/skbuff.c:1081 [inline] skb_release_data+0x676/0x880 net/core/skbuff.c:1108 skb_release_all net/core/skbuff.c:1173 [inline] __kfree_skb net/core/skbuff.c:1187 [inline] consume_skb+0xb1/0x160 net/core/skbuff.c:1409 __unix_dgram_recvmsg+0xcea/0x12f0 net/unix/af_unix.c:2473 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1068 sock_read_iter+0x2ca/0x3e0 net/socket.c:1138 new_sync_read fs/read_write.c:395 [inline] vfs_read+0x9c4/0xbd0 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae1adc9b6a Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffcd58f77f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fae1adc9b6a RDX: 00000000000000ff RSI: 0000563881414950 RDI: 0000000000000000 RBP: 0000563881414910 R08: 0000000000000001 R09: 0000000000000000 R10: 00007fae1af683a3 R11: 0000000000000246 R12: 0000563881414a4f R13: 0000563881414950 R14: 0000000000000000 R15: 00007fae1afaca80 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status receiv