[   65.225237][  T109] su (109) used greatest stack depth: 24104 bytes left
[   65.225257][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   65.225260][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[   65.225262][  T109] preempt_count: 2, expected: 0
[   65.225263][  T109] RCU nest depth: 0, expected: 0
[   65.225264][  T109] locks held by su/109: 5, last CPU#1:
[   65.225269][