INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
      Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0    state:D
 stack:21360 pid:11    tgid:11    ppid:2      flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5270 [inline]
 __schedule+0x17ff/0x4ad0 kernel/sched/core.c:6639
 __schedule_loop kernel/sched/core.c:6716 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6731
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1401
 fsnotify_connector_destroy_workfn+0x44/0xb0 fs/notify/mark.c:308
 process_one_work kernel/workqueue.c:3232 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
 worker_thread+0x86d/0xd10 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/u8:1:12 blocked for more than 144 seconds.
      Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1    state:D
 stack:23288 pid:12    tgid:12    ppid:2      flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5270 [inline]
 __schedule+0x17ff/0x4ad0 kernel/sched/core.c:6639
 __schedule_loop kernel/sched/core.c:6716 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6731
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1401
 fsnotify_mark_destroy_workfn+0x146/0x350 fs/notify/mark.c:978
 process_one_work kernel/workqueue.c:3232 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
 worker_thread+0x86d/0xd10 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Showing all locks held in the system:
6 locks held by kworker/0:0/8:
2 locks held by kworker/u8:0/11:
 #0: 
ffff888015889148
 (
(wq_completion)events_unbound
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: 
ffffc90000107d00
 (
connector_reaper_work
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3208 [inline]
, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
2 locks held by kworker/u8:1/12:
 #0: 
ffff888015889148
 (
(wq_completion)events_unbound
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: 
ffffc90000117d00
 (
(reaper_work).work
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3208 [inline]
, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
1 lock held by khungtaskd/30:
 #0: 
ffffffff8e939720
 (
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6645
5 locks held by kworker/u8:2/35:
3 locks held by kworker/1:1/51:
2 locks held by kworker/u8:4/61:
3 locks held by kworker/0:2/939:
2 locks held by getty/4978:
 #0: 
ffff88802b1210a0
 (
&tty->ldisc_sem
){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: 
ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:3/5288:
7 locks held by kworker/0:4/5301:
6 locks held by kworker/1:3/5337:
 #0: 
ffff88801def0548
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: 
ffffc90003f17d00
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3208 [inline]
, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
 #2: 
ffff888024079190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
 #3: 
ffff88806e646190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #4: 
ffff888064d3b160
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #5: 
ffffffff8f718248
 (
input_mutex
){+.+.}-{3:3}
, at: input_register_device+0xaee/0x1110 drivers/input/input.c:2466
4 locks held by udevd/5693:
 #0: 
ffff88802ed28d58 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
 #1: 
ffff888060d2c888
 (
&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
 #2: 
ffff88802cab01e8
 (
kn->active
#18
){.+.+}-{0:0}
, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
 #3: 
ffff888075de8190
 (&dev->mutex){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/5707:
 #0: ffff8880203b20a0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
 #1: 
ffff88806e223488
 (
&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
 #2: 
ffff88807ab0b968
 (
kn->active#18){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
 #3: ffff88806e646190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline]
 #3: ffff88806e646190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/5997:
 #0: ffff88805ff91c30 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
 #1: ffff88806e241888 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
 #2: 
ffff8880299afa58
 (kn->active#18){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
 #3: 
ffff88806e20b190
 (
&dev->mutex
){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline]
){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
6 locks held by kworker/1:4/6052:
 #0: 
ffff88801def0548
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: 
ffffc9000351fd00
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3208 [inline]
, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
 #2: ffff888023f4a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #2: ffff888023f4a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
 #3: ffff88806e20b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #3: ffff88806e20b190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #4: ffff88806cb07160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #4: ffff88806cb07160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #5: 
ffffffff8f718248
 (
input_mutex
){+.+.}-{3:3}
, at: input_register_device+0xaee/0x1110 drivers/input/input.c:2466
6 locks held by kworker/1:5/6060:
 #0: 
ffff88801def0548
 (
(wq_completion)usb_hub_wq){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: 
ffffc900034efd00
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3208 [inline]
, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
 #2: ffff888024022190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #2: ffff888024022190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
 #3: ffff88806e641190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #3: ffff88806e641190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #4: ffff88803043a160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
 #4: ffff88803043a160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
 #5: 
ffffffff8f718248
 (
input_mutex
){+.+.}-{3:3}
, at: input_register_device+0xaee/0x1110 drivers/input/input.c:2466
6 locks held by kworker/0:5/6148:
3 locks held by kworker/0:6/6154:
4 locks held by udevd/6179:
 #0: 
ffff88802dfb8540
 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
 #1: ffff88802f1eec88 (
&of->mutex
#2){+.+.}-{3:3}
, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
 #2: ffff888063de6d28
 (kn->active#18){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
 #3: 
ffff88806e641190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline]
ffff88806e641190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/u8:7/6182:
1 lock held by syz-executor.2/6661:
 #0: 
ffffffff8e93ecb8
 (
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:296 [inline]
, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:969
1 lock held by syz-executor/6662:
 #0: 
ffffffff8e93ecb8
 (
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline]
, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:969

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xff4/0x1040 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5301 Comm: kworker/0:4 Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events nsim_fib_event_work
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d cc ee 96 0c 48 89 de 5b e9 23 e3 5c 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 80 d7 03 00 65 8b 15 00 44
RSP: 0018:ffffc90000005e98 EFLAGS: 00000006
RAX: 0000000000010100 RBX: ffffffff8c0b9440 RCX: 000000008c0b9400
RDX: 0000000000000002 RSI: ffffffff8fffcc00 RDI: 000000000000005b
RBP: ffffc90000005f90 R08: 0000000000000001 R09: ffffffff8bb4f9ca
R10: 0000000000000002 R11: ffff8880303f0000 R12: ffffffff8c0b9440
R13: ffffffff8c0b9440 R14: dffffc0000000000 R15: 000000000000005b
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30220000 CR3: 000000000e736000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 format_decode+0x212/0x1bb0 lib/vsprintf.c:2558
 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776
 sprintf+0xda/0x120 lib/vsprintf.c:3028
 print_caller kernel/printk/printk.c:1341 [inline]
 info_print_prefix+0x204/0x310 kernel/printk/printk.c:1358
 record_print_text kernel/printk/printk.c:1405 [inline]
 printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2910
 console_emit_next_record kernel/printk/printk.c:2950 [inline]
 console_flush_all+0x410/0xfd0 kernel/printk/printk.c:3049
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3118
 vprintk_emit+0x5dc/0x7c0 kernel/printk/printk.c:2348
 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4921
 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4932
 _dev_err+0x122/0x170 drivers/base/core.c:4987
 urb_ctl_callback+0x1d3/0x290 drivers/input/misc/yealink.c:456
 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650
 dummy_timer+0x830/0x45a0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1037
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x6fb/0x22d0 arch/x86/kernel/unwind_orc.c:494
Code: 0f b6 04 08 84 c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 4c 39 f8 4c 0f 46 f1 48 8d 43 fc 48 0f 47 e8 4c 0f 46 e3 49 39 ee 76 a9 <e9> 55 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c cd 48 89 df 48 89
RSP: 0018:ffffc90000007350 EFLAGS: 00000212
RAX: ffffffff9030efc8 RBX: ffffffff9030efcc RCX: ffffffff9030efd0
RDX: 00000000000b0001 RSI: ffffffff90a9a074 RDI: 0000000000000001
RBP: ffffffff9030efcc R08: 0000000000000009 R09: ffffc90000007510
R10: ffffc90000007470 R11: ffffffff817f24d0 R12: ffffffff9030efcc
R13: ffffffff9030efcc R14: ffffffff9030efd0 R15: ffffffff81f05d5a
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 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
 unpoison_slab_object mm/kasan/common.c:319 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4032 [inline]
 slab_alloc_node mm/slub.c:4081 [inline]
 kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4124
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:667
 __netdev_alloc_skb+0x104/0xa10 net/core/skbuff.c:741
 netdev_alloc_skb include/linux/skbuff.h:3348 [inline]
 dev_alloc_skb include/linux/skbuff.h:3361 [inline]
 __ieee80211_beacon_get+0x998/0x15c0 net/mac80211/tx.c:5470
 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5592
 ieee80211_beacon_get include/net/mac80211.h:5593 [inline]
 mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x222/0x510 net/mac80211/util.c:772
 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1770
 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:1037 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1498
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 9e 48 60 0a e8 19 16 36 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc90003b66f08 EFLAGS: 00000286
RAX: 40673c6e2a6edb00 RBX: ffff8880b903ea40 RCX: ffffffff81705e8a
RDX: dffffc0000000000 RSI: ffffffff8c0ace40 RDI: ffffffff8c60a8c0
RBP: ffffc90003b67110 R08: ffffffff9375f8ef R09: 1ffffffff26ebf1d
R10: dffffc0000000000 R11: fffffbfff26ebf1e R12: ffff8880303f0018
R13: 0000000000000001 R14: ffff8880303f0000 R15: ffff8880303f0770
 __schedule+0x1a3a/0x4ad0 kernel/sched/core.c:6643
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6961
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:50 [inline]
RIP: 0010:arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:24
Code: ff ff ff 48 89 df e8 83 8d 09 00 48 85 c0 74 23 4c 89 f7 48 89 c6 4d 89 eb 41 ff d3 66 90 84 c0 74 11 48 89 df e8 b4 8e 09 00 <83> bd 70 ff ff ff 00 75 d0 65 48 8b 04 25 28 00 00 00 48 3b 45 d0
RSP: 0018:ffffc90003b672a0 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffffc90003b672a0 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc90003b60000 RDI: 0000000000000001
RBP: ffffc90003b67330 R08: ffffc90003b67dc0 R09: 0000000000000000
R10: ffffc90003b672f0 R11: fffff5200076ce60 R12: ffff8880303f0000
R13: ffffffff817f24d0 R14: ffffc90003b67380 R15: 0000000000000000
 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 mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2295 [inline]
 slab_free mm/slub.c:4517 [inline]
 kfree+0x196/0x3e0 mm/slub.c:4665
 nsim_fib_event drivers/net/netdevsim/fib.c:891 [inline]
 nsim_fib_event_work+0x11c8/0x4130 drivers/net/netdevsim/fib.c:1492
 process_one_work kernel/workqueue.c:3232 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
 worker_thread+0x86d/0xd10 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71