INFO: task syz-executor.0:16028 can't die for more than 143 seconds. task:syz-executor.0 state:R running task stack:24648 pid:16028 ppid: 14918 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4986 [inline] __schedule+0xab2/0x4e90 kernel/sched/core.c:6296 trace_hardirqs_on+0x5b/0x1c0 kernel/trace/trace_preemptirq.c:49 xa_entry include/linux/xarray.h:1182 [inline] xas_descend+0x2a5/0x3b0 lib/xarray.c:204 xas_load+0xe5/0x140 lib/xarray.c:240 INFO: task syz-executor.0:16029 can't die for more than 143 seconds. task:syz-executor.0 state:R running task stack:24760 pid:16029 ppid: 14918 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4986 [inline] __schedule+0xab2/0x4e90 kernel/sched/core.c:6296 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: ffffffff8bb83520 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460 2 locks held by getty/3286: #0: ffff88814abc6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077 1 lock held by syz-executor.0/16028: 1 lock held by syz-executor.0/16029: =============================================