[   10.419475][  T111] su (111) used greatest stack depth: 24064 bytes left
[   10.419494][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   10.419496][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[   10.419497][  T111] preempt_count: 2, expected: 0
[   10.419498][  T111] RCU nest depth: 0, expected: 0
[   10.419499][  T111] locks held by su/111: 5, last CPU#0:
[   10.419501][  T111]  #0: ffffffff87402f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0
[   10.419514][  T111]  #1: ffff