INFO: task syz-executor.1:3634 can't die for more than 143 seconds.
task:syz-executor.1  state:D stack:23264 pid: 3634 ppid:     1 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4986 [inline]
 __schedule+0xab2/0x4d90 kernel/sched/core.c:6296
 schedule+0xd2/0x260 kernel/sched/core.c:6369
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
 reclaim_throttle+0x1ce/0x5e0 mm/vmscan.c:1072
 consider_reclaim_throttle mm/vmscan.c:3399 [inline]
 shrink_zones mm/vmscan.c:3486 [inline]
 do_try_to_free_pages+0x7cd/0x1620 mm/vmscan.c:3541
 try_to_free_mem_cgroup_pages+0x2cd/0x840 mm/vmscan.c:3855
 try_charge_memcg+0x298/0x10f0 mm/memcontrol.c:2598
 obj_cgroup_charge_pages+0x1e/0x90 mm/memcontrol.c:3018
 obj_cgroup_charge+0xf3/0x280 mm/memcontrol.c:3287
 memcg_slab_pre_alloc_hook mm/slab.h:519 [inline]
 slab_pre_alloc_hook mm/slab.h:744 [inline]
 slab_alloc_node mm/slub.c:3145 [inline]
 slab_alloc mm/slub.c:3239 [inline]
 kmem_cache_alloc+0x92/0x3a0 mm/slub.c:3244
 kmem_cache_zalloc include/linux/slab.h:705 [inline]
 __alloc_file+0x21/0x280 fs/file_table.c:132
 alloc_empty_file+0x6d/0x170 fs/file_table.c:181
 path_openat+0xe4/0x2940 fs/namei.c:3595
 do_filp_open+0x1aa/0x400 fs/namei.c:3636
 do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
 do_sys_open fs/open.c:1230 [inline]
 __do_sys_openat fs/open.c:1246 [inline]
 __se_sys_openat fs/open.c:1241 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f828c952db4
RSP: 002b:00007ffc20278ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffc20278da0 RCX: 00007f828c952db4
RDX: 0000000000000002 RSI: 00007ffc20278de0 RDI: 00000000ffffff9c
RBP: 00007ffc20278de0 R08: 0000000000000000 R09: 00007ffc20278bb0
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 000000000004e012 R14: 0000000000000001 R15: 00007ffc20278de0
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/u4:0/8:
 #0: ffff8880b9d39c98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489
 #1: ffff8880b9d27988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0 kernel/sched/psi.c:882
1 lock held by khungtaskd/26:
 #0: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3289:
 #0: ffff88802382c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
2 locks held by kworker/u4:6/3783:

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