[  284.901587][  T112] su (112) used greatest stack depth: 24104 bytes left
[  284.901604][  T112] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  284.901607][  T112] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 112, name: su
[  284.901608][  T112] preempt_count: 2, expected: 0