INFO: task syz-executor.4:9622 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00135-g707081b61156 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:0     pid:9622  tgid:9616  ppid:6542   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x1498/0x24b4 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6817
 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2159
 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
 cec_claim_log_addrs+0x164/0x210 drivers/media/cec/core/cec-adap.c:1606
 __cec_s_log_addrs+0x1238/0x18d8 drivers/media/cec/core/cec-adap.c:1920
 cec_adap_s_log_addrs drivers/media/cec/core/cec-api.c:184 [inline]
 cec_ioctl+0x2684/0x37b0 drivers/media/cec/core/cec-api.c:528
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:297
2 locks held by kworker/u4:8/562:
2 locks held by getty/5932:
 #0: ffff0000cc4c60a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800093fe02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
3 locks held by kworker/u5:3/6537:
 #0: ffff0000d9f84138 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2606
 #1: ffff800097a87c20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2608
 #2: ffff0000e2015060 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x194/0x34c net/bluetooth/hci_sync.c:305

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