[   67.550588][  T119] su (119) used greatest stack depth: 23024 bytes left
[   67.550605][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   67.550607][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   67.550609][  T119] preempt_count: 2, expected: 0
[   67.550610][  T119] RCU nest depth: 0, expect