INFO: task kworker/0:1:23149 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00897-g9e6f4c8b880b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:23232 pid:23149 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xa20/0x27c0 kernel/sched/core.c:6606
schedule+0xda/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
device_lock include/linux/device.h:831 [inline]
ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1133 [inline]
ath9k_hif_usb_firmware_cb+0x3a9/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1266
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff87a97090 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/26:
#0: ffffffff87a97be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6494
2 locks held by getty/2407:
#0: ffff8881008df098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900000452f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177
6 locks held by kworker/0:2/5209:
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90001787da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88810ea3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#2: ffff88810ea3f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bc/0x4810 drivers/usb/core/hub.c:5740
#3: ffff88811864e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#3: ffff88811864e190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:983
#4: ffff8881129bf118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#4: ffff8881129bf118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:983
#5: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
#5: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x198/0x7e0 drivers/usb/core/file.c:156
6 locks held by kworker/1:7/11628:
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888108fd6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000d3dfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88810dab7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#2: ffff88810dab7190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bc/0x4810 drivers/usb/core/hub.c:5740
#3: ffff888119ee8190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#3: ffff888119ee8190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:983
#4: ffff8881121b8118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#4: ffff8881121b8118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:983
#5: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
#5: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x198/0x7e0 drivers/usb/core/file.c:156
3 locks held by kworker/0:1/23149:
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900047efda8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88810ea3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#2: ffff88810ea3f190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1133 [inline]
#2: ffff88810ea3f190 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3a9/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1266
2 locks held by syz-executor.4/31487:
#0: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_open+0x24/0x2e0 drivers/usb/core/file.c:39
#1: ffff888110e4c0d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 drivers/usb/misc/sisusbvga/sisusbvga.c:2213
1 lock held by syz-executor.4/32025:
#0: ffffffff88427b50 (minor_rwsem){++++}-{3:3}, at: usb_open+0x24/0x2e0 drivers/usb/core/file.c:39
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00897-g9e6f4c8b880b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc71/0xfc0 kernel/hung_task.c:377
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-rc5-syzkaller-00897-g9e6f4c8b880b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:should_we_balance kernel/sched/fair.c:10481 [inline]
RIP: 0010:load_balance+0x2f6/0x2a60 kernel/sched/fair.c:10524
Code: 00 00 02 0f 84 31 04 00 00 48 8b 84 24 88 00 00 00 48 63 ca 0f b6 00 38 44 24 67 7c 08 84 c0 0f 85 0c 22 00 00 43 80 3c 3e 00 <8b> 15 f4 be ba 07 48 8b b4 24 38 01 00 00 0f 85 10 23 00 00 49 8b
RSP: 0018:ffffc90000007bf0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881f6827638
RBP: ffffc90000007dc8 R08: 0000000000000000 R09: ffff8881f682763f
R10: ffffed103ed04ec7 R11: 0000000000000001 R12: ffff8881003cb900
R13: ffff8881003cb910 R14: 1ffff11020079722 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c056a130c0 CR3: 0000000112b68000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rebalance_domains+0x664/0xc40 kernel/sched/fair.c:10967
_nohz_idle_balance.isra.0+0x52f/0x7e0 kernel/sched/fair.c:11397
__do_softirq+0x1e4/0xabb kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline]
RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:570
Code: 89 de e8 26 83 45 fb 84 db 75 ac e8 8d 86 45 fb e8 c8 f5 4b fb 66 90 e8 81 86 45 fb 0f 00 2d 4a f7 69 00 e8 75 86 45 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 50 83 45 fb 48 85 db
RSP: 0018:ffffffff87807d30 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff87852900 RSI: ffffffff8601d61b RDI: 0000000000000000
RBP: ffff8881009bd064 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8881009bd000 R14: ffff8881009bd064 R15: ffff88810af92804
acpi_idle_enter+0x364/0x500 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x1ab/0xd30 drivers/cpuidle/cpuidle.c:239
cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:356
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3f7/0x590 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
rest_init+0x169/0x270 init/main.c:732
arch_call_rest_init+0xf/0x14 init/main.c:894
start_kernel+0x44b/0x46c init/main.c:1148
secondary_startup_64_no_verify+0xce/0xdb