[   15.226713][  T119] su (119) used greatest stack depth: 24096 bytes left
[   15.226733][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   15.226735][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   15.226737][  T119] preempt_count: 2, expected: 0