[   70.037862][  T111] su (111) used greatest stack depth: 23232 bytes left
[   70.037878][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   70.037880][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[   70.037882][  T111] preempt_count: 2, expected: 0
[   70.037883][  T111] RCU nest depth: 0, expected: 0
[   70.037884][  T111] locks held by su/111: 5, last CPU#0:
[   70.037886][  T111]  #0: ffffffffaa4127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   70.037897][  T111]  #1: ffffffffaa579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   70.037903][  T111]  #2: ffffffffaa579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   70.037906][  T111]  #3: ffffffffaa499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   70.037910][  T111]  #4: ffffffffaa499560 (printk_legacy_map-wait-type-overri