[    9.289429][  T111] su (111) used greatest stack depth: 24104 bytes left
[    9.289444][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[    9.289446][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[    9.289448][  T111] preempt_count: 2, expected: 0
[    9.289449][  T111] RCU nest depth: 0, expected: 0
[    9.289450][  T111] locks held by su/111: 5, last CPU#3:
[    9.289452][