[   63.626826][  T117] su (117) used greatest stack depth: 23536 bytes left
[   63.626846][  T117] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   63.626848][  T117] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 117, name: su
[   63.626850][  T117] preempt_count: 2, expected: 0
[   63.626850][  T117] RCU nest depth: 0, expected: 0
[   63.626851][  T117] locks hel