[   40.477699][  T118] su (118) used greatest stack depth: 24072 bytes left
[   40.477716][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   40.477718][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   40.477720][  T118] preempt_count: 2, expected: 0
[   40.477721][  T118] RCU nest depth: 0, expected: 0
[   40.477722][  T118] locks held by su/118: 5, last CPU#0: