INFO: task syz-executor390:3633 can't die for more than 143 seconds.
task:syz-executor390 state:R  running task     stack:27120 pid: 3633 ppid:  3631 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-executor390:3638 can't die for more than 144 seconds.
task:syz-executor390 state:R  running task     stack:27232 pid: 3638 ppid:  3634 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5043 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6352
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 entry_SYSCALL_64_after_hwframe+0x44/0xae
 </TASK>
INFO: task syz-executor390:3639 can't die for more than 144 seconds.
task:syz-executor390 state:R  running task     stack:27232 pid: 3639 ppid:  3636 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-executor390:3640 can't die for more than 145 seconds.
task:syz-executor390 state:R  running task     stack:27232 pid: 3640 ppid:  3635 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-executor390:3641 can't die for more than 146 seconds.
task:syz-executor390 state:R  running task     stack:27200 pid: 3641 ppid:  3632 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-executor390:3642 can't die for more than 147 seconds.
task:syz-executor390 state:R  running task     stack:27232 pid: 3642 ppid:  3637 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5043 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6352
 </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/3278:
 #0: ffff888144a8a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002e662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
1 lock held by syz-executor390/3633:
1 lock held by syz-executor390/3638:
1 lock held by syz-executor390/3639:
3 locks held by syz-executor390/3640:
1 lock held by syz-executor390/3641:
2 locks held by syz-executor390/3642:

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