[   97.653554][  T111] su (111) used greatest stack depth: 23776 bytes left
[   97.653573][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   97.653575][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[   97.653577][  T111] preempt_count: 2, expected: 0
[   97.653578][  T111] RCU nest