INFO: task kworker/0:0:5 blocked for more than 143 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:24584 pid: 5 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
unregister_netdev+0xe/0x20 net/core/dev.c:10473
r871xu_dev_remove+0x24f/0x2c0 drivers/staging/rtl8712/usb_intf.c:599
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/0:2:3708 blocked for more than 143 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:24568 pid: 3708 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
r871xu_dev_remove+0x6e/0x2c0 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:3:3734 blocked for more than 143 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:24504 pid: 3734 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
r871xu_dev_remove+0x6e/0x2c0 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:5:3736 blocked for more than 144 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:24696 pid: 3736 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
r871xu_dev_remove+0x6e/0x2c0 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:6:3737 blocked for more than 144 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D stack:24584 pid: 3737 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
r871xu_dev_remove+0x6e/0x2c0 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/0:8:3746 blocked for more than 144 seconds.
Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8 state:D stack:24336 pid: 3746 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
r871xu_dev_remove+0x6e/0x2c0 drivers/staging/rtl8712/usb_intf.c:597
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5202 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
port_event drivers/usb/core/hub.c:5660 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5742
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
process_scheduled_works kernel/workqueue.c:2370 [inline]
worker_thread+0x833/0x1110 kernel/workqueue.c:2456
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Showing all locks held in the system:
6 locks held by kworker/0:0/5:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90000ca7db8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88801dbca220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801dbca220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff888077550220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888077550220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff88807d9d01a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88807d9d01a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff88807d9d01a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff88807d9d01a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
#5: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0xe/0x20 net/core/dev.c:10473
2 locks held by kworker/u4:0/8:
#0: ffff8880b9d39c58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489
#1: ffff8880b9d27948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0 kernel/sched/psi.c:882
1 lock held by khungtaskd/27:
#0: ffffffff8bb845e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
3 locks held by kworker/1:2/919:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90004c2fdb8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
2 locks held by dhcpcd/3176:
#0: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1b3/0x1ca0 net/ipv4/devinet.c:1068
#1: ffff888075c04ea0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x2e/0x690 drivers/staging/rtl8712/os_intfs.c:375
2 locks held by getty/3279:
#0: ffff8880236ae098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
3 locks held by kworker/1:0/3674:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90000da7db8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
3 locks held by kworker/0:1/3706:
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88814a9c2538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc9000287fdb8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4608
5 locks held by kworker/0:2/3708:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc9000293fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88801d982220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801d982220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff88807a36e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88807a36e220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff88807a3691a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88807a3691a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff88807a3691a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff88807a3691a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
5 locks held by kworker/1:3/3734:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002adfdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff8881479a2220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff8881479a2220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff888075ccf220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888075ccf220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff88807832a1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88807832a1a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff88807832a1a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff88807832a1a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
5 locks held by kworker/1:5/3736:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002affdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88814794e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88814794e220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff888075ccd220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888075ccd220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff8880790b81a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff8880790b81a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff8880790b81a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff8880790b81a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
5 locks held by kworker/1:6/3737:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002b0fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88801db6a220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801db6a220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff88807068f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88807068f220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff888075cce1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff888075cce1a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff888075cce1a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff888075cce1a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
3 locks held by kworker/1:7/3738:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002b1fdb8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
3 locks held by kworker/0:5/3742:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002b5fdb8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
5 locks held by kworker/0:8/3746:
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888011b1b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90001a8fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff888147992220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888147992220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff88807e2f7220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88807e2f7220 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4: ffff88807dbf51a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88807dbf51a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
#4: ffff88807dbf51a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
#4: ffff88807dbf51a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
3 locks held by kworker/0:9/3753:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002be7db8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff8d331668 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
3 locks held by udevd/3757:
#0: ffff8880704b9088 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff8880704b9088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff88801dc1e0f0 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff88801dc1e0f0 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff888075ccf220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff888075ccf220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by udevd/3764:
#0: ffff8880706dc888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff8880706dc888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff8880733b02c0 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff8880733b02c0 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff888077550220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff888077550220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by udevd/3854:
#0: ffff8880700b8888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff8880700b8888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff888072524660 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff888072524660 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff888075ccd220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff888075ccd220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by udevd/3928:
#0: ffff888071f68888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff888071f68888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff88807db1bcb8 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff88807db1bcb8 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff88807a36e220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff88807a36e220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 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+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 54 Comm: kworker/u4:3 Not tainted 5.17.0-rc6-syzkaller-00046-g719fce7539cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0xdc5/0x56c0 kernel/locking/lockdep.c:4901
Code: 01 0f 87 58 f3 ff ff 44 89 e0 0f 87 4d 31 00 00 49 8d 7c c6 08 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 11 00 <0f> 85 11 31 00 00 49 8b 44 c6 08 48 85 c0 0f 85 3f f3 ff ff e9 1c
RSP: 0018:ffffc90001a2fa40 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff92000345f77 RCX: 1ffffffff17708bd
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8bb845e8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888015e29d00 R14: ffffffff8bb845e0 R15: 0000000000000002
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c69a28c60 CR3: 00000000222b9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 0f 87 58 f3 ff ff ja 0xfffff35e
6: 44 89 e0 mov %r12d,%eax
9: 0f 87 4d 31 00 00 ja 0x315c
f: 49 8d 7c c6 08 lea 0x8(%r14,%rax,8),%rdi
14: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
1b: fc ff df
1e: 48 89 f9 mov %rdi,%rcx
21: 48 c1 e9 03 shr $0x3,%rcx
25: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1)
* 29: 0f 85 11 31 00 00 jne 0x3140 <-- trapping instruction
2f: 49 8b 44 c6 08 mov 0x8(%r14,%rax,8),%rax
34: 48 85 c0 test %rax,%rax
37: 0f 85 3f f3 ff ff jne 0xfffff37c
3d: e9 .byte 0xe9
3e: 1c .byte 0x1c