[   18.090196][  T118] su (118) used greatest stack depth: 22928 bytes left
[   18.090218][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   18.090220][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   18.090222][  T118] preempt_count: 2, expected: 0
[   18.090222][  T118] RCU nest depth: 0, expect