INFO: task kworker/0:0:6 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:25416 pid:    6 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
 unregister_netdev+0x9/0x20 net/core/dev.c:10901
 r871xu_dev_remove+0x222/0x3f0 drivers/staging/rtl8712/usb_intf.c:597
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:1:26 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:25408 pid:   26 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x19d/0x250 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 r871xu_dev_remove+0x65/0x3f0 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:3:3625 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:25408 pid: 3625 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x19d/0x250 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 r871xu_dev_remove+0x65/0x3f0 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:5:4116 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:25480 pid: 4116 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x19d/0x250 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 r871xu_dev_remove+0x65/0x3f0 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:8:4183 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:25408 pid: 4183 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
 unregister_netdev+0x9/0x20 net/core/dev.c:10901
 r871xu_dev_remove+0x222/0x3f0 drivers/staging/rtl8712/usb_intf.c:597
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:11:5623 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:11    state:D stack:25408 pid: 5623 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0x9cd/0x4b20 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x19d/0x250 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 r871xu_dev_remove+0x65/0x3f0 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver drivers/base/dd.c:1222 [inline]
 device_release_driver_internal+0x3bc/0x600 drivers/base/dd.c:1248
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x48d/0xb80 drivers/base/core.c:3615
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x20a/0x61d drivers/usb/core/hub.c:2228
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0xb46/0x39d0 drivers/usb/core/hub.c:5745
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x738/0xec0 kernel/workqueue.c:2438
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x140/0x170 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0x88c/0xbf0 kernel/hung_task.c:369
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: phy8 ieee80211_iface_work
RIP: 0010:__orc_find+0x5e/0xf0 arch/x86/kernel/unwind_orc.c:50
Code: 89 fe 48 89 fd eb 0c 48 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 <48> 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0
RSP: 0018:ffffc900001077b0 EFLAGS: 00000202
RAX: 000000000000000b RBX: 0000000000000001 RCX: ffffffff81afbaaf
RDX: 0000000000000016 RSI: ffffffff8d545620 RDI: ffffffff8cde2c84
RBP: ffffffff8cde2c84 R08: ffffffff8adf7b60 R09: ffffc9000010789c
R10: fffff52000020f18 R11: 000000000007c07a R12: ffffffff8cde2cdc
R13: ffffffff8cde2c84 R14: ffffffff8cde2c84 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f49b9da0000 CR3: 000000001b5df000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
 unwind_next_frame+0x2a3/0x1cc0 arch/x86/kernel/unwind_orc.c:443
 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
 slab_free mm/slub.c:3536 [inline]
 kmem_cache_free+0xdd/0x5a0 mm/slub.c:3553
 kfree_skb include/linux/skbuff.h:1375 [inline]
 ieee80211_iface_work+0x2b4/0x990 net/mac80211/iface.c:1585
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>