[   10.475477][  T117] su (117) used greatest stack depth: 24072 bytes left
[   10.475497][  T117] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   10.475499][  T117] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 117, name: su
[   10.475501][  T117] preempt_count: 2, expected: 0