syzbot

INFO: task syz-executor219:3624 can't die for more than 143 seconds.
task:syz-executor219 state:R  running task     stack:27456 pid: 3624 ppid:  3622 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5043 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6352
 </TASK>
INFO: task syz-executor219:3629 can't die for more than 144 seconds.
task:syz-executor219 state:R  running task     stack:27552 pid: 3629 ppid:  3625 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5043 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6352
 </TASK>
INFO: task syz-executor219:3630 can't die for more than 144 seconds.
task:syz-executor219 state:R  running task     stack:27632 pid: 3630 ppid:  3627 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>
INFO: task syz-executor219:3631 can't die for more than 145 seconds.
task:syz-executor219 state:R  running task     stack:27432 pid: 3631 ppid:  3623 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>
INFO: task syz-executor219:3632 can't die for more than 147 seconds.
task:syz-executor219 state:R  running task     stack:27632 pid: 3632 ppid:  3626 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5043 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6352
 </TASK>
INFO: task syz-executor219:3633 can't die for more than 147 seconds.
task:syz-executor219 state:R  running task     stack:27552 pid: 3633 ppid:  3628 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/28:
 #0: ffffffff8bd858e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6498
2 locks held by getty/3274:
 #0: ffff88814904b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002e532e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
1 lock held by syz-executor219/3624:
3 locks held by syz-executor219/3629:
3 locks held by syz-executor219/3630:
2 locks held by syz-executor219/3631:
1 lock held by syz-executor219/3632:
1 lock held by syz-executor219/3633:

=============================================