Extracting prog: 6m10.239570404s Minimizing prog: 17m43.15167815s Simplifying prog options: 12m29.11722855s Extracting C: 5m11.831676828s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) syz_usb_connect(0x0, 0x3f, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) syz_usb_connect(0x0, 0x3f, 0x0, 0x0) program crashed: INFO: task hung in __input_unregister_device single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, 0x0, 0x0) program did not crash testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB, @ANYRES64], 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m9.378093988s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash validation run: crashed=false testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash validation run: crashed=false testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash validation run: crashed=false testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash validation run: crashed=false testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash validation run: crashed=false testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 1h28m16.061346377s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=20717, q=235861 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 473 (4294982831-4294982358), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 473 jiffies! g20717 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28440 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 60 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:246 Code: bc 09 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 97 d0 f3 11 <65> 8b 05 a8 d0 f3 11 a9 00 01 ff 00 74 1d f6 c4 01 74 67 a9 00 00 RSP: 0018:ffffc9000211f800 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff8880b8540cc0 RCX: ffffffff81b28b81 RDX: ffff88801bf2c980 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: ffff88801bf2d4b0 R12: dffffc0000000000 R13: ffffed10170a8199 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000ca8000 CR3: 000000000e184000 CR4: 00000000003526f0 Call Trace: csd_lock_wait kernel/smp.c:342 [inline] smp_call_function_many_cond+0xe21/0x15e0 kernel/smp.c:877 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1043 on_each_cpu include/linux/smp.h:71 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline] smp_text_poke_batch_finish+0x27b/0xdb0 arch/x86/kernel/alternative.c:2921 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x376/0x550 kernel/jump_label.c:919 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate mm/kfence/core.c:874 [inline] toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 report is corrupted, running repro again testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash report is corrupted, running repro again testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash report is corrupted, running repro again testing program (duration=6m9.378093988s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect detailed listing: executing program 0: syz_usb_connect(0x0, 0x2d, &(0x7f0000000200)=ANY=[@ANYBLOB="12010000eafa7240936901b02926f400100109021b000124a800800904000001030000000905", @ANYRES64], 0x0) program did not crash final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=20717, q=235861 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 473 (4294982831-4294982358), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 473 jiffies! g20717 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28440 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 60 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:246 Code: bc 09 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 97 d0 f3 11 <65> 8b 05 a8 d0 f3 11 a9 00 01 ff 00 74 1d f6 c4 01 74 67 a9 00 00 RSP: 0018:ffffc9000211f800 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff8880b8540cc0 RCX: ffffffff81b28b81 RDX: ffff88801bf2c980 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: ffff88801bf2d4b0 R12: dffffc0000000000 R13: ffffed10170a8199 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000ca8000 CR3: 000000000e184000 CR4: 00000000003526f0 Call Trace: csd_lock_wait kernel/smp.c:342 [inline] smp_call_function_many_cond+0xe21/0x15e0 kernel/smp.c:877 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1043 on_each_cpu include/linux/smp.h:71 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline] smp_text_poke_batch_finish+0x27b/0xdb0 arch/x86/kernel/alternative.c:2921 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x376/0x550 kernel/jump_label.c:919 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate mm/kfence/core.c:874 [inline] toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0 yealink 7-1:36.0: urb_ctl_callback - urb status -71 yealink 7-1:36.0: urb_irq_callback - urb status -71 yealink 7-1:36.0: unexpected response 0