INFO: task syz-executor.4:9711 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc6-syzkaller-g78124b0c1d10 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:0     pid:9711  ppid:6036   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6695
 schedule+0xc4/0x170 kernel/sched/core.c:6771
 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2143
 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:95
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:148
 kthread_flush_worker+0x214/0x2d4 kernel/kthread.c:1374
 alloc_and_link_pwqs kernel/workqueue.c:4607 [inline]
 alloc_workqueue+0xa30/0xf70 kernel/workqueue.c:4724
 nci_register_device+0x1ec/0x7c4 net/nfc/nci/core.c:1230
 virtual_ncidev_open+0x13c/0x1bc drivers/nfc/virtual_ncidev.c:148
 misc_open+0x2f0/0x368 drivers/char/misc.c:165
 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414
 do_dentry_open+0x6fc/0x118c fs/open.c:929
 vfs_open+0x7c/0x90 fs/open.c:1063
 do_open fs/namei.c:3639 [inline]
 path_openat+0x1f2c/0x27f8 fs/namei.c:3796
 do_filp_open+0x1bc/0x3cc fs/namei.c:3823
 do_sys_openat2+0x124/0x1b8 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_openat fs/open.c:1453 [inline]
 __se_sys_openat fs/open.c:1448 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1448
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008e3737c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302
1 lock held by klogd/5615:
 #0: ffff0001b41f2d58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:558 [inline]
 #0: ffff0001b41f2d58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1372 [inline]
 #0: ffff0001b41f2d58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1681 [inline]
 #0: ffff0001b41f2d58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2d8/0x23b4 kernel/sched/core.c:6612
2 locks held by getty/5764:
 #0: ffff0000d26630a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800095a102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2206
1 lock held by syz-executor.4/9711:
 #0: ffff80008f7e57c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:129
1 lock held by syz-executor.4/9751:
 #0: ffff80008f7e57c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:129
1 lock held by syz-executor.4/9753:
 #0: ffff80008f7e57c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:129

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