INFO: task kworker/0:0:7 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:18744 pid:7 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
unregister_netdev+0x7d/0x210 net/core/dev.c:10923
r871xu_dev_remove+0xae/0x440 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1270 [inline]
device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1293
bus_remove_device+0x341/0x410 drivers/base/bus.c:574
device_del+0x538/0x9c0 drivers/base/core.c:3814
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2253
hub_port_connect drivers/usb/core/hub.c:5261 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
port_event drivers/usb/core/hub.c:5726 [inline]
hub_event+0x1f25/0x52c0 drivers/usb/core/hub.c:5808
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
process_scheduled_works kernel/workqueue.c:2667 [inline]
worker_thread+0xd20/0x1210 kernel/workqueue.c:2753
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/1:2:775 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:21960 pid:775 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4635
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/1:3:5081 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:21800 pid:5081 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1270 [inline]
device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1293
bus_remove_device+0x341/0x410 drivers/base/bus.c:574
device_del+0x538/0x9c0 drivers/base/core.c:3814
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2253
hub_port_connect drivers/usb/core/hub.c:5261 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
port_event drivers/usb/core/hub.c:5726 [inline]
hub_event+0x1f25/0x52c0 drivers/usb/core/hub.c:5808
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
process_scheduled_works kernel/workqueue.c:2667 [inline]
worker_thread+0xd20/0x1210 kernel/workqueue.c:2753
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/0:8:5087 blocked for more than 144 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8 state:D stack:22472 pid:5087 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1270 [inline]
device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1293
bus_remove_device+0x341/0x410 drivers/base/bus.c:574
device_del+0x538/0x9c0 drivers/base/core.c:3814
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2253
hub_port_connect drivers/usb/core/hub.c:5261 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
port_event drivers/usb/core/hub.c:5726 [inline]
hub_event+0x1f25/0x52c0 drivers/usb/core/hub.c:5808
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
process_scheduled_works kernel/workqueue.c:2667 [inline]
worker_thread+0xd20/0x1210 kernel/workqueue.c:2753
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task syz-executor.1:18376 blocked for more than 144 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:21352 pid:18376 ppid:5032 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
raw_release+0x1dc/0x870 net/can/raw.c:389
__sock_release net/socket.c:654 [inline]
sock_close+0xd1/0x230 net/socket.c:1386
__fput+0x3f8/0x950 fs/file_table.c:384
task_work_run+0x24a/0x300 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x68f/0x2290 kernel/exit.c:874
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x1709/0x17e0 kernel/signal.c:2881
arch_do_signal_or_restart+0x91/0x670 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
exc_general_protection+0x3f4/0x5b0 arch/x86/kernel/traps.c:731
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f024ec7caf1
RSP: 002b:0000000020000080 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f024ed9bf80 RCX: 00007f024ec7cae9
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000040000
RBP: 00007f024ecc847a R08: 0000000020000140 R09: 0000000020000140
R10: 0000000020000100 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f024ed9bf80 R15: 00007ffd95dede38
INFO: task syz-executor.1:18389 blocked for more than 145 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:21768 pid:18389 ppid:5032 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
raw_release+0x1dc/0x870 net/can/raw.c:389
__sock_release net/socket.c:654 [inline]
sock_close+0xd1/0x230 net/socket.c:1386
__fput+0x3f8/0x950 fs/file_table.c:384
task_work_run+0x24a/0x300 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x68f/0x2290 kernel/exit.c:874
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x1709/0x17e0 kernel/signal.c:2881
arch_do_signal_or_restart+0x91/0x670 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
exc_general_protection+0x3f4/0x5b0 arch/x86/kernel/traps.c:731
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f024ec7caf1
RSP: 002b:0000000020000080 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f024ed9bf80 RCX: 00007f024ec7cae9
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000040000
RBP: 00007f024ecc847a R08: 0000000020000140 R09: 0000000020000140
R10: 0000000020000100 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f024ed9bf80 R15: 00007ffd95dede38
INFO: task syz-executor.1:18408 blocked for more than 145 seconds.
Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22504 pid:18408 ppid:5032 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6710
schedule+0xc3/0x180 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
raw_release+0x1dc/0x870 net/can/raw.c:389
__sock_release net/socket.c:654 [inline]
sock_close+0xd1/0x230 net/socket.c:1386
__fput+0x3f8/0x950 fs/file_table.c:384
task_work_run+0x24a/0x300 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x68f/0x2290 kernel/exit.c:874
do_group_exit+0x206/0x2c0 kernel/exit.c:1024
get_signal+0x1709/0x17e0 kernel/signal.c:2881
arch_do_signal_or_restart+0x91/0x670 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
exc_general_protection+0x3f4/0x5b0 arch/x86/kernel/traps.c:731
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f024ec7caf1
RSP: 002b:0000000020000080 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f024ed9c050 RCX: 00007f024ec7cae9
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000040000
RBP: 00007f024ecc847a R08: 0000000020000140 R09: 0000000020000140
R10: 0000000020000100 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f024ed9c050 R15: 00007ffd95dede38
Showing all locks held in the system:
6 locks held by kworker/0:0/7:
#0: ffff8880156ec538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900000c7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff88802306a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff88802306a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x52c0 drivers/usb/core/hub.c:5754
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2244
#4: ffff88802b9eb160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff88802b9eb160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff88802b9eb160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1290
#5: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0x7d/0x210 net/core/dev.c:10923
3 locks held by kworker/0:1/9:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900000e7d00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10177
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8d3295b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8d329970 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522
3 locks held by kworker/1:0/22:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900001c7d00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10177
3 locks held by kworker/1:1/26:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc90000a1fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10177
1 lock held by khungtaskd/28:
#0: ffffffff8d3293e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/1:2/775:
#0: ffff888028812538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc90004c2fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4635
3 locks held by kworker/0:2/918:
#0: ffff888028812538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc9000581fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4635
2 locks held by dhcpcd/4683:
#0: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1074
#1: ffff888059624df0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x35/0x720 drivers/staging/rtl8712/os_intfs.c:391
2 locks held by getty/4765:
#0: ffff88802b6d8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015c02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187
4 locks held by udevd/5013:
#0: ffff888056673790 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb2/0xd10 fs/seq_file.c:182
#1: ffff88801f519088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3a0 fs/kernfs/file.c:154
#2: ffff888058d34918 (kn->active#30){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3a0 fs/kernfs/file.c:155
#3: ffff888056212190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline]
#3: ffff888056212190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/5045:
#0: ffff88807b55f1c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb2/0xd10 fs/seq_file.c:182
#1: ffff888056b10888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3a0 fs/kernfs/file.c:154
#2: ffff8880580a6da0 (kn->active#30){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3a0 fs/kernfs/file.c:155
#3: ffff88807a53f190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline]
#3: ffff88807a53f190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/1:3/5081:
#0: ffff8880156ec538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc90004bffd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff888023092190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888023092190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x52c0 drivers/usb/core/hub.c:5754
#3: ffff888054a0e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#3: ffff888054a0e190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2244
#4: ffff8880549bf160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff8880549bf160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff8880549bf160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1290
3 locks held by kworker/1:4/5082:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc90004c5fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10177
3 locks held by kworker/1:5/5084:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc9000558fd00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10177
5 locks held by kworker/0:8/5087:
#0: ffff8880156ec538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900055bfd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff88814270a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff88814270a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x52c0 drivers/usb/core/hub.c:5754
#3: ffff888056212190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#3: ffff888056212190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2244
#4: ffff8880541b3160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff8880541b3160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff8880541b3160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1290
5 locks held by kworker/1:7/5091:
#0: ffff8880156ec538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900055ffd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff888142722190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888142722190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x52c0 drivers/usb/core/hub.c:5754
#3: ffff88807a53f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#3: ffff88807a53f190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2244
#4: ffff8880597de160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff8880597de160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff8880597de160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1290
4 locks held by udevd/17080:
#0: ffff8880285fd8b8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb2/0xd10 fs/seq_file.c:182
#1: ffff8880544cc888 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3a0 fs/kernfs/file.c:154
#2: ffff888019b941d8 (kn->active#30){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3a0 fs/kernfs/file.c:155
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline]
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/17517:
#0: ffff888016ba20a0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb2/0xd10 fs/seq_file.c:182
#1: ffff888029d3d088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3a0 fs/kernfs/file.c:154
#2: ffff888019b941d8 (kn->active#30){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3a0 fs/kernfs/file.c:155
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:963 [inline]
#3: ffff88807d4ce190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
2 locks held by syz-executor.1/18376:
#0: ffff888074e63210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff888074e63210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:653 [inline]
#0: ffff888074e63210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x9c/0x230 net/socket.c:1386
#1: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: raw_release+0x1dc/0x870 net/can/raw.c:389
2 locks held by syz-executor.1/18389:
#0: ffff888074e60810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff888074e60810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:653 [inline]
#0: ffff888074e60810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x9c/0x230 net/socket.c:1386
#1: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: raw_release+0x1dc/0x870 net/can/raw.c:389
2 locks held by syz-executor.1/18408:
#0: ffff8880781e8210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff8880781e8210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:653 [inline]
#0: ffff8880781e8210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x9c/0x230 net/socket.c:1386
#1: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: raw_release+0x1dc/0x870 net/can/raw.c:389
3 locks held by kworker/1:10/18596:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc90003a57d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
2 locks held by syz-executor.2/19408:
#0: ffff888056e97410 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline]
#0: ffff888056e97410 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:653 [inline]
#0: ffff888056e97410 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x9c/0x230 net/socket.c:1386
#1: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: raw_release+0x1dc/0x870 net/can/raw.c:389
1 lock held by syz-executor.2/19463:
#0: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e4bb688 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7d4/0xf50 net/core/rtnetlink.c:6425
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5107 Comm: kworker/u4:6 Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:262 [inline]
RIP: 0010:native_x2apic_icr_write arch/x86/include/asm/apic.h:240 [inline]
RIP: 0010:__x2apic_send_IPI_dest arch/x86/kernel/apic/x2apic_phys.c:126 [inline]
RIP: 0010:x2apic_send_IPI+0x7b/0xd0 arch/x86/kernel/apic/x2apic_phys.c:48
Code: 48 c1 e8 03 42 0f b6 04 38 84 c0 75 26 0f b7 13 0f ae f0 0f ae e8 41 83 fe 02 b8 00 04 00 00 41 0f 45 c6 b9 30 08 00 00 0f 30 <66> 90 5b 41 5e 41 5f 5d c3 89 d9 80 e1 07 fe c1 38 c1 7c cf 48 89
RSP: 0018:ffffc9000577f758 EFLAGS: 00000206
RAX: 00000000000000fb RBX: ffff8880b99219c8 RCX: 0000000000000830
RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001
RBP: ffffffff8cc8a8f8 R08: ffffffff81809e1d R09: 1ffffffff1d30edd
R10: dffffc0000000000 R11: fffffbfff1d30ede R12: ffff8880b983d0c0
R13: ffff8880b983d0c8 R14: 00000000000000fb R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f024ecdd930 CR3: 000000000d130000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_send_call_function_single_ipi arch/x86/include/asm/smp.h:107 [inline]
send_call_function_single_ipi kernel/smp.c:115 [inline]
smp_call_function_many_cond+0x1413/0x27d0 kernel/smp.c:817
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1003
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2001 [inline]
text_poke_bp_batch+0x615/0x960 arch/x86/kernel/alternative.c:2273
text_poke_flush arch/x86/kernel/alternative.c:2402 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2409
arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x132/0x250 kernel/jump_label.c:205
static_key_enable+0x1a/0x20 kernel/jump_label.c:218
toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:831
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304