[   14.468517][  T119] su (119) used greatest stack depth: 23232 bytes left
[   14.468536][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   14.468538][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   14.468539][  T119] preempt_count: 2, expected: 0
[   14.468540][  T119] RCU nest depth: 0, expected: 0
[   14.468541][  T119] locks held by su/119: 5, last CPU#3: