INFO: task kworker/1:0:23 blocked for more than 143 seconds.
Not tainted 6.6.0-rc2-syzkaller-00048-g42dc814987c1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:21496 pid:23 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x196c/0x4af0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_timeout+0xb0/0x300 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
pn533_usb_send_frame+0x307/0x5b0 drivers/nfc/pn533/usb.c:187
__pn533_send_async+0x461/0x640 drivers/nfc/pn533/pn533.c:462
pn533_send_cmd_async drivers/nfc/pn533/pn533.c:501 [inline]
pn533_send_cmd_sync drivers/nfc/pn533/pn533.c:624 [inline]
pn533_get_firmware_version drivers/nfc/pn533/pn533.c:2523 [inline]
pn533_finalize_setup+0x22e/0x830 drivers/nfc/pn533/pn533.c:2720
pn533_usb_probe+0xfc9/0x1380 drivers/nfc/pn533/usb.c:583
usb_probe_interface+0x5c4/0xb00 drivers/usb/core/driver.c:396
really_probe+0x294/0xc30 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:800
driver_probe_device+0x50/0x420 drivers/base/dd.c:830
__device_attach_driver+0x2d3/0x520 drivers/base/dd.c:958
bus_for_each_drv+0x24a/0x2d0 drivers/base/bus.c:457
__device_attach+0x32f/0x510 drivers/base/dd.c:1030
bus_probe_device+0x185/0x260 drivers/base/bus.c:532
device_add+0x956/0xd30 drivers/base/core.c:3624
usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2207
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:238
usb_probe_device+0x134/0x270 drivers/usb/core/driver.c:293
really_probe+0x294/0xc30 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:800
driver_probe_device+0x50/0x420 drivers/base/dd.c:830
__device_attach_driver+0x2d3/0x520 drivers/base/dd.c:958
bus_for_each_drv+0x24a/0x2d0 drivers/base/bus.c:457
__device_attach+0x32f/0x510 drivers/base/dd.c:1030
bus_probe_device+0x185/0x260 drivers/base/bus.c:532
device_add+0x956/0xd30 drivers/base/core.c:3624
usb_new_device+0xb7e/0x18d0 drivers/usb/core/hub.c:2589
hub_port_connect drivers/usb/core/hub.c:5440 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
port_event drivers/usb/core/hub.c:5740 [inline]
hub_event+0x2e3c/0x5090 drivers/usb/core/hub.c:5822
process_one_work kernel/workqueue.c:2630 [inline]
process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Showing all locks held in the system:
6 locks held by kworker/1:0/23:
#0: ffff88814765c138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#0: ffff88814765c138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
#1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
#2: ffff888141f7b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#2: ffff888141f7b190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5090 drivers/usb/core/hub.c:5768
#3: ffff8880798ba190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#3: ffff8880798ba190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x510 drivers/base/dd.c:1005
#4: ffff888020f49160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
#4: ffff888020f49160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x510 drivers/base/dd.c:1005
#5: ffff888020f4a438 (&priv->cmd_lock){+.+.}-{3:3}, at: __pn533_send_async+0x278/0x640 drivers/nfc/pn533/pn533.c:458
1 lock held by khungtaskd/29:
#0: ffffffff8d32c4a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8d32c4a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8d32c4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6613
2 locks held by getty/4783:
#0: ffff88814a7d20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2206
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller-00048-g42dc814987c1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xfa9/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1048 Comm: kworker/u4:7 Not tainted 6.6.0-rc2-syzkaller-00048-g42dc814987c1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_switch+0x3f/0x110 kernel/kcov.c:324
Code: f8 48 c1 c0 3d 48 83 f8 02 7f 1f 48 85 c0 74 3a 48 83 f8 01 0f 85 d9 00 00 00 41 b8 03 00 00 00 4d 85 d2 75 44 e9 c9 00 00 00 <48> 83 f8 03 74 2a 48 83 f8 07 0f 85 b9 00 00 00 41 b8 07 00 00 00
RSP: 0018:ffffc90004fdfa00 EFLAGS: 00000202
RAX: 0000000000000003 RBX: 0000000000000000 RCX: ffff88801effd940
RDX: 0000000000000000 RSI: ffffffff8d165ab0 RDI: 0000000000000000
RBP: 0000000000000005 R08: ffffffff8131392a R09: ffffffff813137a6
R10: 0000000000000002 R11: ffff88801effd940 R12: ffffffff8b05726a
R13: ffffffff81e78732 R14: 0000000000000000 R15: 0000000000000005
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000960004 CR3: 000000000d130000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
text_poke_flush arch/x86/kernel/alternative.c:2398 [inline]
text_poke_queue+0x34/0x180 arch/x86/kernel/alternative.c:2413
arch_jump_label_transform_queue+0x8b/0xf0 arch/x86/kernel/jump_label.c:138
__jump_label_update+0x177/0x3a0 kernel/jump_label.c:475
static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:835
process_one_work kernel/workqueue.c:2630 [inline]
process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304