INFO: task kworker/1:3:4784 blocked for more than 143 seconds.
Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:17088 pid:4784 tgid:4784 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xca8/0x3100 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:990 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1163 [inline]
ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1296
request_firmware_work_func+0x13a/0x240 drivers/base/firmware_loader/main.c:1163
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff87eadc20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
5 locks held by kworker/1:2/44:
2 locks held by getty/2449:
#0: ffff88810168d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:3/4784:
#0: ffff888100088938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000ab4fd80 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1163 [inline]
#2: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1296
5 locks held by kworker/1:4/4790:
7 locks held by kworker/0:4/4792:
#0: ffff8881062b6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000afb7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810afef190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810afef190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff888111de5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff888111de5190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x910 drivers/usb/core/hub.c:2287
#4: ffff888111de0160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff888111de0160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888111de0160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#5: ffffffff88fd2768 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0x12/0x30 net/core/dev.c:11156
#6: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#6: ffffffff87eb9478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x6b1/0x800 kernel/rcu/tree_exp.h:995
4 locks held by udevd/5920:
#0: ffff888105aad0a0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
#1: ffff888137ca2088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x230 fs/kernfs/file.c:154
#2: ffff888116cb08c0 (kn->active#23){++++}-{0:0}, at: kernfs_seq_start+0x71/0x230 fs/kernfs/file.c:155
#3: ffff8881360b7190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:995 [inline]
#3: ffff8881360b7190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/6112:
#0: ffff888136fbf928 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
#1: ffff8881360a6c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x230 fs/kernfs/file.c:154
#2: ffff88810bbdc008 (kn->active#23){++++}-{0:0}, at: kernfs_seq_start+0x71/0x230 fs/kernfs/file.c:155
#3: ffff88813652f190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:995 [inline]
#3: ffff88813652f190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/0:0/7856:
#0: ffff8881062b6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000ab3fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff88810afcf190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5840
#3: ffff8881082c7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff8881082c7190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
#4: ffff888111db8160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#4: ffff888111db8160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
4 locks held by udevd/16192:
#0: ffff8881319af928 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
#1: ffff88810539b088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x230 fs/kernfs/file.c:154
#2: ffff888115373ab0 (kn->active#23){++++}-{0:0}, at: kernfs_seq_start+0x71/0x230 fs/kernfs/file.c:155
#3: ffff8881082c7190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:995 [inline]
#3: ffff8881082c7190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
2 locks held by kworker/0:2/16495:
#0: ffff88810008a538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000e897d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
1 lock held by syz-executor.1/19501:
#0: ffffffff88a078e8 (adutux_mutex){+.+.}-{3:3}, at: adu_release+0xcf/0x720 drivers/usb/misc/adutux.c:323
1 lock held by cmp/19570:
#0: ffff8881f663bb18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline]
#0: ffff8881f663bb18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline]
#0: ffff8881f663bb18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline]
#0: ffff8881f663bb18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x290/0x3100 kernel/sched/core.c:6643
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19535 Comm: syz-executor.4 Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
RIP: 0010:lock_release+0x38f/0x690 kernel/locking/lockdep.c:5776
Code: 85 42 02 00 00 0b 05 20 a1 d4 0a 0f 84 5a 01 00 00 48 c7 c7 40 d1 87 86 e8 3e e1 28 05 b8 ff ff ff ff 65 0f c1 05 09 18 d4 7e <83> f8 01 0f 85 c8 01 00 00 9c 58 f6 c4 02 0f 85 b3 01 00 00 48 f7
RSP: 0018:ffffc9000160fb00 EFLAGS: 00000057
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffc9000160fb50
RDX: 1ffff11022e474ed RSI: ffffffff8687d140 RDI: ffffffff86a6f200
RBP: 1ffff920002c1f62 R08: 0000000000000000 R09: fffffbfff126bec2
R10: ffffffff8935f617 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffff88811723a770 R15: ffff888117239d00
FS: 0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7555d61108 CR3: 000000011417e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
memcg_kmem_uncharge_page include/linux/memcontrol.h:1854 [inline]
exit_task_stack_account+0x98/0xf0 kernel/fork.c:560
do_exit+0x1b5a/0x2a50 kernel/exit.c:912
do_group_exit+0xd4/0x2a0 kernel/exit.c:1020
get_signal+0x23b5/0x2790 kernel/signal.c:2893
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x144/0x250 kernel/entry/common.c:212
do_syscall_64+0xe0/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f44cf8a7ea9
Code: Unable to access opcode bytes at 0x7f44cf8a7e7f.
RSP: 002b:00007fff7c957de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000bea RCX: 00007f44cf8a7ea9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f44cf9d5f8c
RBP: 00007f44cf9d5f8c R08: 0000000000000001 R09: 00007fff7c957e10
R10: 00007fff7c957f70 R11: 0000000000000246 R12: 000000000021b1a3
R13: 000000000021a5b9 R14: 00007fff7c957f90 R15: 00007f44cf85ecb0