[   13.683458][  T119] su (119) used greatest stack depth: 23568 bytes left
[   13.683475][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   13.683477][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   13.683479][  T119] preempt_count: 2, expected: 0
[   13.683480][  T119] RCU nest depth: 0, expected: 0
[   13.683481][  T119] locks held by su/119: 5,