INFO: task kworker/0:3:5315 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-syzkaller-00091-gb35935d66a3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:21936 pid:5315 ppid:2 flags:0x00004000
Workqueue: events console_callback
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc79/0x30a0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
___down_common kernel/locking/semaphore.c:225 [inline]
__down_common+0x328/0x6c0 kernel/locking/semaphore.c:246
down+0x74/0xa0 kernel/locking/semaphore.c:63
console_lock+0x2c/0x80 kernel/printk/printk.c:2600
console_callback+0x63/0x4c0 drivers/tty/vt/vt.c:2934
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Showing all locks held in the system:
5 locks held by kworker/0:0/7:
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000007fd80
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffff888105fb1190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888105fb1190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1cc/0x5330 drivers/usb/core/hub.c:5777
#3: ffff888105fb4500 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3185 [inline]
#3: ffff888105fb4500 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5341 [inline]
#3: ffff888105fb4500 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5589 [inline]
#3: ffff888105fb4500 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5749 [inline]
#3: ffff888105fb4500 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2ad8/0x5330 drivers/usb/core/hub.c:5831
#4:
ffff8881043bcd68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5342 [inline]
ffff8881043bcd68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5589 [inline]
ffff8881043bcd68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5749 [inline]
ffff8881043bcd68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2afe/0x5330 drivers/usb/core/hub.c:5831
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff87ea74b0 (rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/13:
#0: ffffffff87ea71b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff87ea80c0 (rcu_read_lock
){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/2432:
#0: ffff88810bb27098 (&tty->ldisc_sem
){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000452f0
(&ldata->atomic_read_lock
){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
6 locks held by kworker/1:6/5304:
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
, at: set_work_data kernel/workqueue.c:675 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc90001d57d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffff888105f59190 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:958 [inline]
, at: hub_event+0x1cc/0x5330 drivers/usb/core/hub.c:5777
#3: ffff888105f5c500 (&port_dev->status_lock){+.+.}-{3:3}
, at: usb_lock_port drivers/usb/core/hub.c:3185 [inline]
, at: hub_port_connect drivers/usb/core/hub.c:5341 [inline]
, at: hub_port_connect_change drivers/usb/core/hub.c:5589 [inline]
, at: port_event drivers/usb/core/hub.c:5749 [inline]
, at: hub_event+0x2ad8/0x5330 drivers/usb/core/hub.c:5831
#4: ffff88810437f568 (hcd->address0_mutex){+.+.}-{3:3}
, at: hub_port_connect drivers/usb/core/hub.c:5342 [inline]
, at: hub_port_connect_change drivers/usb/core/hub.c:5589 [inline]
, at: port_event drivers/usb/core/hub.c:5749 [inline]
, at: hub_event+0x2afe/0x5330 drivers/usb/core/hub.c:5831
#5: ffffffff888d0e50 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1a4/0x2000 drivers/usb/core/hub.c:3000
2 locks held by kworker/0:3/5315:
#0:
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
, at: set_work_data kernel/workqueue.c:675 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc90001da7d80
(console_work){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
3 locks held by kworker/0:5/5345:
3 locks held by kworker/1:8/5863:
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1:
ffffc9000275fd80
((work_completion)(&hub->events)
){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2: ffff888103b5f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888103b5f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1cc/0x5330 drivers/usb/core/hub.c:5777
5 locks held by kworker/1:1/10691:
3 locks held by kworker/1:11/16506:
3 locks held by kworker/0:9/16573:
#0:
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000fb07d80 ((work_completion)(&fw_work->work)){+.+.}-{0:0}
, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2571
#2:
ffff888105fd1190
(
&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:958 [inline]
, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1163 [inline]
, at: ath9k_hif_usb_firmware_cb+0x3b1/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1296
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller-00091-gb35935d66a3a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x27b/0x2e0 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+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 6.5.0-rc4-syzkaller-00091-gb35935d66a3a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: events legacy_dvb_usb_read_remote_control
RIP: 0010:pvclock_clocksource_read_nowd+0x6/0xf0 arch/x86/kernel/pvclock.c:119
Code: e8 1f 00 00 00 48 2b 05 d0 83 61 01 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 00 41 54 <55> 53 48 89 fb 48 83 ec 10 8b 17 83 e2 fe 41 89 d4 0f 01 f9 66 90
RSP: 0018:ffffc90000188af0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: ffff8881f673b200 RCX: 0000000000000001
RDX: 1ffff1103ece779c RSI: ffffffff868799a0 RDI: ffffffff8a3a3040
RBP: 1ffff92000031167 R08: 0000000000000001 R09: fffff52000031172
R10: 0000000000000003 R11: fffffffffd97b2d6 R12: 000000000000dfef
R13: ffff8881f673bce0 R14: ffff8881f673bc10 R15: ffff8881f663bce8
FS: 0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e9d7f000 CR3: 00000001134f5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kvm_sched_clock_read+0x11/0x20 arch/x86/kernel/kvmclock.c:91
sched_clock+0x10/0x20 arch/x86/kernel/tsc.c:283
sched_clock_cpu+0x6d/0x4c0 kernel/sched/clock.c:394
update_rq_clock kernel/sched/core.c:765 [inline]
update_rq_clock+0xce/0x6b0 kernel/sched/core.c:750
attach_tasks kernel/sched/fair.c:8894 [inline]
load_balance+0xf15/0x2f10 kernel/sched/fair.c:10890
rebalance_domains+0x702/0xec0 kernel/sched/fair.c:11276
__do_softirq+0x20b/0x94e kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1109
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1972 [inline]
RIP: 0010:vprintk_emit+0x3f6/0x640 kernel/printk/printk.c:2306
Code: 00 00 e8 cd d8 1b 00 9c 8f 45 d0 48 8b 45 d0 31 ff 25 00 02 00 00 49 89 c6 48 89 c6 e8 43 d4 1b 00 4d 85 f6 0f 85 fa 01 00 00 0f 1e fa e8 a1 d8 1b 00 45 31 c9 41 b8 01 00 00 00 31 c9 68 a6
RSP: 0018:ffffc9000016fb08 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000
RDX: ffff888103a79d00 RSI: ffffffff8130749a RDI: 0000000000000007
RBP: ffffc9000016fb40 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 6979726575712065 R12: 0000000000000200
R13: ffff888104a55700 R14: 0000000000000001 R15: 0000000000000000
vprintk+0x89/0xa0 kernel/printk/printk_safe.c:50
_printk+0xc8/0x100 kernel/printk/printk.c:2328
legacy_dvb_usb_read_remote_control+0x403/0x4f0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:124
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
process_scheduled_works kernel/workqueue.c:2664 [inline]
worker_thread+0x896/0x1110 kernel/workqueue.c:2750
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304