INFO: task kworker/0:4:4116 blocked for more than 143 seconds.
Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:22928 pid: 4116 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x93f/0x2630 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_timeout+0x1db/0x2a0 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
__flush_workqueue+0x3ed/0x13a0 kernel/workqueue.c:2861
ath6kl_usb_flush_all drivers/net/wireless/ath/ath6kl/usb.c:481 [inline]
hif_detach_htc drivers/net/wireless/ath/ath6kl/usb.c:861 [inline]
ath6kl_usb_power_off+0xdc/0x140 drivers/net/wireless/ath/ath6kl/usb.c:1060
ath6kl_hif_power_off drivers/net/wireless/ath/ath6kl/hif-ops.h:143 [inline]
ath6kl_core_init drivers/net/wireless/ath/ath6kl/core.c:257 [inline]
ath6kl_core_init+0x236/0x11c0 drivers/net/wireless/ath/ath6kl/core.c:66
ath6kl_usb_probe+0xc11/0x1200 drivers/net/wireless/ath/ath6kl/usb.c:1160
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:555 [inline]
really_probe+0x23e/0xb90 drivers/base/dd.c:634
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:989
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbda/0x1ea0 drivers/base/core.c:3428
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:555 [inline]
really_probe+0x23e/0xb90 drivers/base/dd.c:634
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:764
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:794
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:917
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:989
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbda/0x1ea0 drivers/base/core.c:3428
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2573
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5653 [inline]
hub_event+0x25d5/0x4690 drivers/usb/core/hub.c:5735
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ef/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task kworker/0:5:8183 blocked for more than 144 seconds.
Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:26176 pid: 8183 ppid: 2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x93f/0x2630 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
device_lock include/linux/device.h:835 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1135 [inline]
ath9k_hif_usb_firmware_cb+0x3a9/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1268
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ef/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff87a95140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
6 locks held by kworker/1:2/72:
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90001027da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810e2b4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810e2b4190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4690 drivers/usb/core/hub.c:5681
#3: ffff88810e2b74f0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3103 [inline]
#3: ffff88810e2b74f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5249 [inline]
#3: ffff88810e2b74f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
#3: ffff88810e2b74f0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5653 [inline]
#3: ffff88810e2b74f0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2001/0x4690 drivers/usb/core/hub.c:5735
#4: ffff88810e634d68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5250 [inline]
#4: ffff88810e634d68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
#4: ffff88810e634d68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5653 [inline]
#4: ffff88810e634d68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x202a/0x4690 drivers/usb/core/hub.c:5735
#5: ffff8881f6937b58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:544 [inline]
#5: ffff8881f6937b58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1304 [inline]
#5: ffff8881f6937b58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1602 [inline]
#5: ffff8881f6937b58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x236/0x2630 kernel/sched/core.c:6375
3 locks held by kworker/0:2/732:
2 locks held by getty/1239:
#0: ffff88810020a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900000432e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
3 locks held by udevd/4063:
#0: ffff8881138a5888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:197 [inline]
#0: ffff8881138a5888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6e0 fs/kernfs/file.c:236
#1: ffff888137f42918 (kn->active#51){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:198 [inline]
#1: ffff888137f42918 (kn->active#51){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6e0 fs/kernfs/file.c:236
#2: ffff8881099a3190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:840 [inline]
#2: ffff8881099a3190 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by kworker/1:5/4100:
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8881008bdd38 ((wq_completion)pm){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000192fda8 ((work_completion)(&hcd->wakeup_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f4a8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f4a8190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4690 drivers/usb/core/hub.c:5681
5 locks held by kworker/0:4/4116:
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888109b13538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1:
ffffc900019dfda8
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f4c8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f4c8190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4690 drivers/usb/core/hub.c:5681
#3: ffff8881099a3190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#3: ffff8881099a3190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:964
#4: ffff888109b85118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#4: ffff888109b85118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:964
2 locks held by kworker/u4:0/7540:
#0: ffff888100069138 ((wq_completion)events_unbound){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
, at: set_work_data kernel/workqueue.c:636 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000e8cfda8 (connector_reaper_work
){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
3 locks held by kworker/0:5/8183:
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000cdc7da8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f4c8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f4c8190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1135 [inline]
#2: ffff88810f4c8190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3a9/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1268
3 locks held by kworker/0:8/8196:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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+0x2ef/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:check_preemption_disabled+0x3f/0x170 lib/smp_processor_id.c:56
Code: 8b 25 55 b5 13 7a 65 8b 1d fe 09 14 7a 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d <41> 5c 41 5d 41 5e c3 0f 1f 44 00 00 9c 5b 81 e3 00 02 00 00 31 ff
RSP: 0018:ffffc9000010fd30 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffff8881f6938940 RCX: ffffffff85ee5b2f
RDX: ffffed103ed27153 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8881002cd580 R08: 0000000000000000 R09: ffff8881f6938a93
R10: ffffed103ed27152 R11: 0000000000000001 R12: 0000000000000001
R13: ffffffff86491f60 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd25000 CR3: 00000001368a1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_preempt_need_deferred_qs kernel/rcu/tree_plugin.h:586 [inline]
rcu_preempt_deferred_qs+0x13/0xe0 kernel/rcu/tree_plugin.h:602
rcu_eqs_enter.constprop.0+0xb4/0x100 kernel/rcu/tree.c:638
cpuidle_enter_state+0x706/0xc80 drivers/cpuidle/cpuidle.c:236
cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3e8/0x590 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:266
secondary_startup_64_no_verify+0xce/0xdb